  sccs: @(#)bonsaierrs.txt	4.3	11/06/04
  svn/cvs: $Id: dy_errmsgs.txt 363 2010-08-24 15:46:55Z lou $

  This file is a part of the Dylp LP distribution.

        Copyright (C) 2005 -- 2007 Lou Hafer

        School of Computing Science
        Simon Fraser University
        Burnaby, B.C., V5A 1S6, Canada
        lou@cs.sfu.ca

  This code is licensed under the terms of the Common Public License (CPL).

  I haven't yet gone through and removed messages specific to the bonsaiG
  MIP code. That'll happen eventually.

  General error messages, useful pretty much anywhere

@1@internal confusion, line %d.@
@2@%s parameter is null.@
@3@%s parameter has invalid value '%c'.@
@4@%s parameter has invalid value "%s".@
@5@%s parameter has invalid value "%d".@
@6@%s parameter has invalid value "%#08x".@
@7@line %d: unrecognised %s %d.@
@8@line %d: unable to allocate %d bytes.@
@9@<<open>>@

  Error messages used primarily by the basic io routines in io(io)

@10@open failed for file "%s", mode "%s".@
@11@close failed for file "%s".@
@12@i/o error while reading from "%s".@
@13@all available i/o streams are in use.@
@14@error log file is open but has no name.@
@15@stream %d is not active.@
@16@file "%s" is not opened for input.@
@17@file "%s" is not opened for output.@
@18@failed to change error log file from "%s" to "%s".@
@19:22@<<open>>@
@23@could not obtain mark for file "%s".@
@24@could not position file "%s" to mark "%ld".@
@25@pattern "%s" is too long, truncating to %d characters.@
@26@lexeme beginning with "%s" is too long, truncating to %d characters.@
@27@fixed-length string of length %d beginning with "%s" prematurely
	truncated.@
@28@string quoted with "%c", "%c" beginning with "%s" prematurely truncated.@
@29@<<open>>@

  Error messages used primarily by the routines of io(bnfrdr)

@30@storage offset %d is outside legal range 0 to %d for the current node.@
@31@node size %d is less than 0.@
@32@null bnf reference encountered for component %d, %d components expected.@
@33@null bnf definition in bnf reference.@
@34@a %s is inappropriate as a component in a %s.@
@35@invalid bnf reference type %d.@
@36@bnf reference does not reference a generator.@
@37@null component list encountered for alternative %d, %d alternatives
	expected.@
@38@bnf reference does not reference a non-primitive.@
@39@bnf reference does not reference a primitive.@
@40@saved text array index %d is outside legal range 0 to %d.@
@41@bnf reference does not reference a terminal.@
@42@terminal definition specifies invalid terminal type %d.@
@43@bnf must begin with a generator, non-primitive, or primitive.@
@44@<<open>>@
@45@string "%s" cannot be converted to a number.@
@46@base %d is not implemented for %s.@
@47@bnf reference does not reference an immediate.@
@48@bnf reference does not reference a literal.@
@49@null text pointer in literal.@
@50@no primitive is active.@
@51@saved text array entry %d is null.@
@52@bnf reference does not reference a label definition.@
@53@null bnf specified for label %s in label definition.@
@54@name %s specified for label value in label definition is not a defined
	label.@
@55@code %d specified for label %s in label definition is not valid.@
@56@parse of bnf specified for label %s in label definition failed.@
@57@null string obtained for label %s in label definition.@
@58@null value obtained for label %s in label definition.@
@59@null bnf specified for %s in label reference.@
@60@parse of bnf specified for %s in label reference failed.@
@61@null string obtained for %s name in label reference.@
@62@null value obtained for socket in label reference.@
@63@the value to be stored must be defined in a forward label reference.@
@64@code %d specified for %s in label reference is not valid.@
@65@null value obtained for value in label reference.@
@66@the socket must be defined in a backward label reference.@
@67@separator is not a primitive or terminal.@
@68@reference requests storage but curnde is null.@
@69@link offset %d is outside legal range 0 to %d for the current node.@
@70@only generators, non-primitives, and primitives can be list components;
	type %d is invalid.@
@71@%s should normally be null at the completion of a parse.@
@72:89@<<open>>@

  Error messages related to packed vectors

@90@inconsistent packed vector %s (%d):
	size %d, nonzero %d, coefficient array %sallocated.@
@91@vector %s (%d) requires space for %d entries; resize specifies %d.@
@92@vector %s (%d) has space for %d entries; %s %s (%d) has %d.@
@93@in vector %s, default index = %d, default value = %g.@
@94@in vector %s (%d), coeffs[%d].ndx = %d, coeffs[%d].val = %g.@
@95@vector %#08x has null name.@
@96:99@<<open>>@

  Error messages related to constraint system care and maintenance

@100@[%s]: unable to attach "%s".@
@101@[%s]: %s is missing.@
@102@[%s]: %s index %d violates range %d..%d.@
@103@[%s]: missing header for %s %d.@
@104@[%s]: vec = %#08x not on attached vector list.@
@105@[%s]: unable to detach "%s".@
@106@[%s]: element size for vector %#08x is %d.@
@107@[%s]: duplicate %s attach request, vec = %#08x, pvec = %#08x.@
@108@[%s]: no reference list for attached %s %#08x.@
@109@[%s]: pvec = %#08x not on reference list for %s %#08x.@
@110@[%s]: empty reference at %#08x on reference list for %s %#08x.@
@111@[%s]: unable to update references to %s from %#08x to %#08x.@
@112@[%s]: %s failed for %s %s (%d).@
@113@[%s]: parts flags indicate %s is present, but associated
	pointer field is null.@
@114@[%s]: unrecognised %s vector type(s) %#08x.@
@115@[%s]: constraint system is flagged as corrupt.@
@116@[%s]: row %s (%d) claims %d coefficients but has %d.@
@117@<<open>>@
@118@[%s]: %s %s (%d) has length 0.@
@119@[%s]: coefficient a<%d,%d> = %g
	appears in %s %d but not %s %d.@
@120@[%s]: unable to properly install %s for constraint %s (%d);
	required associated vectors are missing.@
@121@[%s]: unable to add logical variable for
	constraint %s (%d).@
@122@[%s]: could not retrieve %s %s (%d).@
@123@[%s] already has logical variables!@
@124@[%s]: could not expand to incorporate logical variables.@
@125@[%s]: null/incorrect %s in matrix coefficient %#08x, %s %s (%d).@
@126@[%s]: internal confusion; %s hdr = %#08x, hdr.ndx = %d, but
	mtx.hdr[%d] == %#08x.@
@127@[%s]: null vector pointer in header (%#08x) for attached
	vector type %s.@
@128@[%s]: coefficient a<%d,%d> = %g encountered while adding %s %s.
	Aborting due to invalid value.@
@129@[%s]: addition of %s (%d) gives %d %s; allocated
	capacity is only %d.@
@130@[%s]: infinitesimal a<%d,%d> = %.10g < %.10g suppressed
	while adding %s %s.@
@131@[%s]: logical variable count %d does not equal
	constraint count %d.@
@132@[%s]: multiplication of %s %s (%d) by 0.@
@133@[%s]: failed to set coefficient a<%d,%d> to %g.@
@134@[%s]: %s %s (%d) claims %d coefficients but has %s pointer.@
@135@[%s]: scaling failure.@
@136@[%s]: %s error while duplicating %s, src = %d, dst = %d.@
@137@[%s]: failed to duplicate constraint system.@
@138@[%s]: failed to evaluate constraint system for scaling.@
@139:149@<<open>>@

  Error messages used primarily by the MPS i/o package.

@150@expecting the keyword "%s", instead found "%s".@
@151@mangled %s %s record.@
@152@could not create constraint system "%s".@
@153@null %s name while processing %s section.@
@154@[%s]: unrecognised constraint type code %d (%c) at constraint %s.@
@155@could not enter %s %s into hash table.@
@156@could not install %s %s.%s.@
@157@unexpected additional field "%s", %s %s.@
@158@row name or 'marker' missing in entry %s.%s.@
@159@marker keyword missing in entry %s.%s.@
@160@can't process %s section; %s vector is missing.@
@161@'%s' (%s) seen, but no '%s'!@
@162@couldn't locate %s "%s", entry %s %s.@
@163@unrecognised marker keyword "%s" at marker %s.@
@164@null coefficient, system %s, column %s, row %s.@
@165@cannot convert "%s" to number, system %s, column %s, row %s.@
@166@couldn't locate %s "%s", %s %s.%s.@
@167@unrecognised bound type code "%s" for variable %s (%d).@
@168@i/o error while attempting %s section.@
@169@unexpected eof while attempting %s section.@
@170@cannot process mps input file "%s"; aborting.@
@171@constructed constraints (Dx code) are not accepted;
	define constraint %s explicitly.@
@172@discarding non-binding constraint %s.%s.@
@173@[%s]: attempt to multiply objective %s (%d)
	by -1 for maximisation failed.@
@174@vector resize failed while collecting coefficients for column %s.%s.@
@175@non-binding constraint %s (%d) should not have a rhs range.@
@176@constraint %s (%d) is supposedly a Type 3 SOS constraint,
	but it has type %s instead of equality.@
@177@[%s]: did not find objective function "%s".
@178@[%s]: %s %s (%d) has invalid type %s.@
@179@[%s]: deleting empty constraint %s (%d).@
@180:199@<<open>>@

  Error messages from the main program

@200@cannot get system time.@
@201@could not open log file %s; logging disabled.@
@202@[%s]: could not create search tree root.@
@203@could not initialise the arc consistency package.@
@204@[%s]: constraint propagation for %s failed, T%d:#%d.@
@205@[%s]: failed to create branch-and-bound search tree root.@
@206@[%s]: failed %s at T%d from subproblem %d\@%d.@
@207@[%s]: failed to process subproblems after tour %d.@
@208@[%s]: failed to ready new active subproblem following tour %d.@
@209@[%s]: failed to regenerate incumbent T%d:#%d\@%d.@
@210@(T%d:#%d\@%d): coefficient reduction failed for %s.@
@211@could not %s %s signal handler.@
@212@(T%d:#%d\@%d): purging %s constraints failed for %s.@
@213:229@<<open>>@


  Error messages from the command interpreter

@230@unexpected command text "%s".@
@231@<<open>>@
@232@indirect command file "%s" did not close properly.@
@233@ambiguous command keyword "%s".@
@234@unknown command keyword "%s".@
@235@unrecoverable error; command interpretation aborted.@
@236@failed to scan %s %s, %s command.@
@237:239@<<open>>@
@240@parser error while attempting bnf %s.@
@241@enforcing %d <= "%s" <= %d; %d forced to %d.@
@242@ignoring invalid value %g for "%s".@
@243@"%s" defaulted to %d.@
@244@enforcing %.2f <= "%s" <= %.2f; %.2f forced to %.2f.@
@245@"%s" defaulted to %.8g.@
@246@"%s" defaulted to "%s".@
@247:299@<<open>>@

  Error messages from the LP code

@300@nonsense status %#08x for variable %s (%d).@
@301@found only %d of the %d basic variables required to form
	a basis for constraint system %s.@
@302@[%s]: (%s)%d: could not %s an initial basis.@
@303@[%s]: in basis pos'n %d, variable index violates %d <= %d <= %d.@
@304@[%s]: (%s)%d: error while testing primal/dual feasibility.@
@305@@[%s]: (%s)%d: could not %s %s variables for
	inclusion in initial basis.@
@306@[%s]: (%s)%d: error attempting to correct LP data structures
	after patch of singular basis.@
@307@[%s]: (%s)%d: aborting attempt to factor basis due to numerical
	instability. Pivot parameters at %s.@
@308@[%s]: (%s)%d: aborting attempt to factor basis, return code %s.@
@309@[%s]: could not factor basis.@
@310@error calculating orientation of constraint %s (%d) to objective.@
@311@[%s] has no logical variables.@
@312@[%s]: (%s)%d: could not sort constraints before forming active system.@
@313@[%s]: (%s)%d: unable to load active system from %s.@
@314@HUGE_VAL = %g, not IEEE infinity. If you really want to use IEEE
	infinity, consider FIX_HUGE_VAL in vector.h, and confirm that
	your environment supports the IEEE FP standard.@
@315@variable %s (%d) is non-basic with status %s but has
	an absolute value of infinity.@
@316@[%s]: could not calculate value of primal basic variables.@
@317@[%s]: antidegeneracy algorithm active at level %d on
	entry to primal phase 1.@
@318@[%s]: (%s)%d: could not %s phase I objective function.@
@319@[%s] is already feasible; phase I should not have happened.@
@320@[%s]: (%s)%d: could not calculate dot(%s,a<%d>) for %s.@
@321@[%s]: (%s)%d: %s %s[%d] = %g, should be %g; |diff| = %g, tol = %g.@
@322@[%s]: (%s)%d: %s (%d), status %s, violates
	lb = %g < %g < %g = ub; err = %g; tol = %g.@
@323@[%s]: (%s)%d: unexpected loss of primal feasibility ---
	%s (%d), status %s, violates lb = %g <= %g <= %g = ub
	err = %g; tol = %g.@
@324@[%s]: (%s)%d: apparent unboundedness.@
@325@[%s]: (%s)%d: variable %s (%d) = %g, lb = %g, ub = %g, status %s.
	Nonbasic variables should be within bounds.@
@326@[%s]: (%s)%d: variable %s (%d) = %g = %s, status %s.
	This variable should not have been chosen to enter at %s.@
@327@[%s]: attempted to form restricted subproblem but found no
	candidates.@
@328@[%s]: limit of %d total pivots exceeded.@
@329@[%s]: (%s)%d: variable %s (%d) on pivot reject list pos'n %d
	has status %s; should be %s with nopivot qualifier.
@330@[%s]: (%s)%d: variable %s (%d) has status %s,
	var2basis gives pos'n %d, but basis pos'n holds index %d.@
@331@[%s]: (%s)%d: variable %s (%d) = %g has status %s, but
	lb = %g != %g = ub; err = %g, tol = %g.@
@332@[%s](%s)%d: %s (%d), status %s,
	x = %g != x<B> = %g, |x - x<B>| = %g, tol = %g.@
@333@[%s]: (%s)%d: variable %s (%d) has status %s
	but x = %g != %g = %s; err = %g; tol = %g.@
@334@[%s]: (%s)%d: variable %s (%d) has lb = %g, ub = %g, but status %s;
	it should not be free with a finite bound.@
@335@[%s]: (%s)%d: variable %s (%d) has status %s but is within
	bounds, lb = %g <= %g <= %g = ub; err = %g; tol = %g.@
@336@[%s]: (%s)%d: for %s (%d) %s, %s -y<i> = %g != %g = cbar<i>,
	diff = %g, tol = %g.@
@337@[%s]: could not expand pivot reject list capacity from
	%d entries to %d entries.@
@338@[%s]: loss of %s feasibility should not be reported
	in primal phase I.@
@339@[%s]: (%s)%d: cycling suspected; %d pivots with no change in objective.@
@340@[%s]: could not construct reduced right-hand-side (b - Nx<N>).
@341@[%s]: (%s)%d: %s accuracy check failed;
	1+norm(%c) = %g; residual %g, tolerance %g.@
@342@[%s]: %s (%d) was in degenerate set, but restored value %g
	is not at lb = %g or ub = %g; %s %g, tolerance %g.@
@343@[%s]: fatal error at pivot %d.@
@344@[%s]: %s (%d) will overshoot feasibility from %s at pivot %d;
	val = %g, lb = %g, ub = %g, delta = %g.@
@345@[%s]: attempt to change value of fixed variable
	%s (%d) = %g at pivot %d; delta = %g.@
@346@[%s]: (%s)%d: status %s for %s (%d)
	is not legal in this phase.@
@347@[%s]: (%s)%d: unexpected loss of dual feasibility ---
	%s (%d) status %s, cbar<%d> = %g has the wrong sign, tol = %g.@
@348@@[%s]: (%s)%d: failed to price entering variable %s (%d).@
@349@[%s]: variable %s (%d) = %g, status %s, is within bounds
	lb = %g, ub = %g; it should not have been chosen to leave.@
@350@[%s]: (%s)%d: predicted %s infeasibility = %g from iter %d
	does not match starting infeasibility = %g; err = %g.@
@351@[%s]: (%s)%d: constraint system is %d x %d.@
@352@<<open>>@
@353@[%s]: %s simplex returned %s; aborting.@
@354@<<open>>@
@355@[%s]: entering variable %s (%d) has status %s;
	dual simplex is only prepared for non-basic at upper/lower bound.@
@356@[%s]: %s cross-reference failure.
	original[%d] = %d but active[%d] = %d.@
@357@[%s]: status of leaving variable %s (%d) is %s,
	%s = %g, val = %g, err = %g, tol = %g;
	should be nonbasic at upper/lower bound or fixed.@
@358@[%s]: delta<j> is 0 for dual pivot on %s (%d);
	lb<i> = %g; x<i> = %g ; ub<i> = %g ; abar<i,j> = %g.@
@359@[%s]: %s (%d) has status %s in final answer.@
@360@[%s]: variable cross-reference failure.
	active[%d] = %d; entries for logicals should be 0.@
@361@[%s]: %s count of %d disagrees with %d entries coded as active
	in cross reference vector.@
@362@[%s]: could not locate coefficient for active
	%s (%d) in constraint %s (%d).@
@363@<<open>>@
@364@[%s]: constraint %s (%d) should have %d coefficients
	for active architectural variables, but has %d.@
@365@[%s]: can't find coefficient for logical %s (%d)
	in constraint %s (%d).@
@366@[%s]: rhs<%d> = %g for constraint %s
	should be %g; error %g; tol. %g;
	original rhs<%d> for %s is %g, correction %g.@
@367@[%s]: %s %s (%d) = %g != %g = %s %s (%d)
	diff = %g, tol = %g.@
@368@<<open>>@
@369@[%s]: %s %s (%d) should be active but isn't; orig%s[%d] = %d.@
@370@[%s]: expected original constraint %s (%d) in
	basis pos'n %d, but found %s (%d).@
@371@[%s]: (%s)%d: %s failed.@
@372@[%s]: (%s)%d: %s (%d) has status %s, requires major correction to %s;
	lb<i> = %g, x<i> = %g, ub<i> = %g,  x<i> - %s<i> = %g, tol. = %g.@
@373@[%s]: inconsistent basis status after refactorisation.@
@374@[%s]: (%s)%d: forcing refactor (bogus number);
	|%s<%d>| = |%g| < bogus tol %g by %g.@ 
@375@[%s]: (%s)%d: forcing refactor (bogus number);
	|%s<%d>-%s<%d>| = |%g-%g| = %g < bogus tol %g by %g.@ 
@376@[%s]: (%s)%d: temporarily lowering pivot tolerance from %g to %g.@
@377@<<open>>@
@378@<<open>>@
@379@[%s]: (%s)%d: %s (%d) has lb = %g = ub, status %s;
	status should be one of BFX, NBFX, BLLB, or BUUB.@
@380@[%s]: %s (%d) has status %s, should be %s.@
@381@[%s]: (%s)%d: forcing refactor on suspicion of numerical error;
	|%s<%d,%d>| = |%g| < bogosity tolerance %g by %g.@ 
@382@[%s]: (%s)%d: variable %s (%d) to leave at %s = %g;
	this should not be!@
@383@[%s]: (%s)%d: pivot multiplier would be below limit %g. Declaring %s.@
@384@[%s]: (%s)%d: could not calculate reduced costs.@
@385@[%s]: (%s)%d: pivot abar<%d,%d> = %g; should be %g, error %g (%g%%), tol %g.@
@386@[%s]: (%s)%d: no %s variable selected
	at start of pivot loop.@
@387@[%s]: (%s)%d: %d false terminations;
	retry limit exceeded; aborting.@
@388@[%s]: (%s)%d: %s<%d> update error;
	update = %g; calc = %g; |error| = %g; tol = %g.@
@389@[%s]: (%s)%d: %s (%d) feasible %s but c<%d> = %g; should be 0.@
@390@[%s]: (%s)%d: degenset[%d] = %d for %s (%d), %s, but
	antidegeneracy level is only %d.
@391@[%s]: (%s)%d: failed to clear superbasics prior to return to phase I.@
@392@[%s]: (%s)%d: could not calculate beta<%d> or abar<%d>
	for dual pivot; leaving variable %s (%d).@
@393@<<open>>@
@394@[%s]: (%s)%d: inconsistency in rho<%d> for pivot row;
	inv(B)beta<%d> = %g, ||beta<%d>||^2 = %g, err = %g, tol = %g.@
@395@[%s]: previous return code %s; cannot hot start.@
@396@[%s]: client %#08x does not own solver; current owner %#08x; cannot %s.@
@397@<<open>>@
@398@[%s]: basic <-> nonbasic conversion illegal on hot start;
	attempt to convert %s (%d) from %s to %s.@
@399@[%s]: (%s)%d: phase %s objective already installed?@
@400@[%s]: (%s)%d: type %d evaluation routine failed for %s (%d).@
@401@[%s]: (%s)%d: %g = dot(eta<%d>,a<%d>) != abar<%d,%d> = %g;
		err = %g, tol = %g.@
@402@[%s]: (%s)%d: logical %s (%d) has %d coefficients;
	it should have exactly one.@
@403@duplicate %s requested, but source not supplied.@
@404@requested destination %s size of %d
	is less than source size of %d; boosting to match. @
@405@[%s]: (%s)%d: updated objective differs from calculated objective;
	z<upd> = %g, z<calc> = %g, diff = %g, tol = %g.@
@406@[%s]: initialization/scaling of constraint system failed.@
@407:425@<<open>>@
@426@[%s]: logical %s (%d) for %s constraint %s (%d)
	has improper %s bound %g.@
@427:429@<<open>>@
@430@[%s]: (%s)%d: unable to %s %s %s (%d).@
@431@[%s]: (%s)%d: %s %s (%d) is already active as %s (%d).@
@432@[%s]: (%s)%d: could not prep column %s (%d) for activation.@
@433@[%s]: (%s)%d: %s variable %s (%d)
	has status %s; expected NBLB, NBUB, NBFX, or NBFR.@
@434@[%s]: (%s)%d: %s scan for %s failed.@
@435@[%s]: (%s)%d: unexpected situation; %d %s activated,
	previous simplex %s returned %s, next simplex %s.@
@436@[%s]: (%s)%d: logical for constraint %s (%d)
	has status %s; expected BUUB, BLLB, B, BUB, BLB, BFR, or BFX.@
@437@[%s]: (%s)%d: logical for constraint %s (%d)
	has status %s; expected NBLB, NBUB, or NBFX.@
@438@[%s]: (%s)%d: variable %s (%d)
	has status %s; expected BLLB or BUUB.@
@439@[%s]: (%s)%d: unexpected %s of %s feasibility.@
@440@[%s]: (%s)%d: failed to activate variables referenced by
	activated constraints.@
@441@[%s]: (%s)%d: unexpected situation; previous simplex %s returned %s.@
@442@[%s]: (%s)%d: logical for newly activated constraint %s (%d) has
	status %s but constraint should be %s.@
@443@[%s]: (%s)%d: failed to solve lp relaxation, return code %s.@
@444@[%s]: (%s)%d: %s invariant failure; should be zero.
	((orig %d)-(ineligible %d))-((eligible %d)+(active %d)) = %d.@
@445@[%s]: (%s)%d: %s %s (%d) marked as ineligible for activation.@
@446@[%s]: (%s)%d: %d %s recorded as %s but count is %d.@
@447:449@<<open>>@

  Error messages from the arc consistency package.

@450@[%s]: coefficient a<%d,%d> = a<%s,%s>= 0.@
@451@[%s]: could not calculate bounds for constraint %s (%d).@
@452@[%s]: failed to push constraint %s (%d).@
@453@[%s]: constraint %s (%d) has type %s; only equality,
	less-than-or-equal, or range constraints should be present.@
@454@[%s]: the bound change of %g%% for %s %s (%d)
	is less than the propagation tolerance %g; not propagated.@
@455@unable to expand propagation stack from %d to %d entries.@
@456@internal confusion; on_propstack indicates %s (%d) is on stack,
	but search for index failed.@
@457@[%s]: constraint %s has %s = %s; cannot
	propagate from an infinite bound.@
@458@[%s]: new %s for %s (%d) = %g weaker or equal to
	old bound %g; diff %g.@
@459@[%s]: could not propagate %s change for %s (%d).@
@460@<<open>>@
@461@invalid constraint type code %d, constraint %s (%d).@
@462@constraint propagation failed for constraint %s (%d).@
@463@[%s]: unexpected constraint type %s.@
@464@[%s]: infinity count error at recalculation;
	old %s, new %s.@
@465@[%s]: significant error in finite part of bound at recalculation;
	old %s, new %s, diff %g.@
@466@[%s]: both bounds are infinite for %s constraint %s (%d);
	cannot propagate from infinite bounds.@
@467@constraint propagation is disabled; this call should not happen.@
@468@snap tolerance %g is smaller than dylp bogus number tolerance %g.@
@469:509@<<open>>@

  Error messages from the 2-3 tree package.

@510@in the %s tree, %s (%#08x) thinks its children
	are of type %s; they should be %s.@
@511@%s problem at %s tree %s (%#08x);
	count is %d, reality is %d.@
@512@purported parent (%#08x) of %s (%#08x)
	in %s tree has disowned it.@
@513@%s %d (%#08x, max %g) and %d (%#08x, max %g) of a
	%s (%#08x) in the %s tree are out of order.@
@514@%s (%#08x) in the %s tree has no parent,
	but the header thinks (%#08x) is the root.@
@515@error while freeing vertices of tree %s.@
@516@unrecognised two-three vertex type %d at the root of the %s tree.@
@517@failed to install leaf for content (%#08x), key %g,
	in %s tree.@
@518@in the %s tree, max at %s (%#08x) is %g,
	but the largest max among %s is %g for %s (%#08x).@
@519@leaf (%#08x) in the %s tree has no content.@
@520@%s count of %d at %s (%#08x) in %s tree is
	outside the valid range of %d to %d.@
@521@attempting rebalance of a %s (%#08x) in %s tree and no rebalance
	pattern matched.@
@522@failed to find a leaf with value %g in %s tree.@
@523@inconsistent header for tree %s;
	root type %s, root %#08x, %d vertices, %d leaves.
@524@tree %s has no associated tree.@
@525@tree %s has associated tree %s, but no associated node
	was present for the deleted leaf.@
@526@attempt to delete %sleaf %#08x from tree %s failed.@
@527@attempt to delete leaf with key %g from tree %s failed.
@527:531@<<open>>@
@532@the header in the %s tree claims (%#08x) is the root, but
	(%#08x) says its parent is (%#08x).@
@533@%s (%#08x) in the %s tree claims %s (%#08x) as its child,
	but the %s claims its parent is (%#08x).@
@534@unequal number of leaves in paired trees;
	%s tree has %d != %d in %s tree.@
@535@<<open>>@
@536@<<open>>@
@537@<<open>>@
@538@failed to rebalance the %s tree.@
@539@attempt to delete leaf with key = %g from tree %s, but the
	tree bounds are %g < bound < %g.@
@540@<<open>>@
@541@<<open>>@
@542@failed to find leaf (%#08x) in %s tree.@
@543@<<open>>@
@544@%s tree is empty.@
@545@%s tree is empty, but %s field is %g, not %g.@
@546@<<open>>@
@547@content field recovered from deleted node is null.@
@548@<<open>>@
@549@in the %s tree, the leaf (%#08x) in the %s position
	has value %g, but the header value is %g.@
@550@in the %s tree, the header specifies leaf (%#08x)
	as the minimum leaf, but actually it's (%#08x).@
@551:600@<<open>>@

	Error messages from the branch-and-bound tree routines.

@600@(T%d:#%d\@%d): cannot create this node in the
	branch-and-bound search tree.@
@601@(T%d:#%d\@%d): improper status %s; should be %s.@
@602@(T%d:#%d\@%d): killing this node will leave orphans; it's not right.@
@603@(T%d): node #%d\@%d (%#08x) is an orphan;
	proceeding with deletion anyway.@
@604@(T%d): could not delete node #%d\@%d (%#08x) from the
	branch-and-bound search tree.@
@605@(T%d): attempt to delete %s node from live set failed.@
@606@analysis of objective function failed.@
@607@<<open>>@
@608@(T%d:#%d\@%d): integrated variable forcing loop failed.@
@609@(T%d:#%d\@%d): status is %s but there are no kids.@
@610@(T%d:#%d\@%d): invalid branch specification;
	branch cnt = %d, branch_vars is %snull.@
@611@<<open>>@
@612@(T%d:#%d\@%d): unable to restore %s %s.@
@613@(T%d:#%d\@%d): failed to solve lp relaxation, return code %s.@
@614@(T%d:#%d\@%d): unexpected branch instruction %s = %s.@
@615@<<open>>@
@616@(T%d:#%d\@%d): failed to generate %s edits.@
@617@(T%d:#%d\@%d): couldn't insert subproblem in live set.@
@618@(T%d:#%d\@%d): couldn't regenerate environment of survivor of tour.@
@619@(T%d): couldn't recover subproblem from live set.@
@620@(T%d:#%d\@%d): couldn't resurrect subproblem.@
@621@(T%d:#%d\@%d): error while installing %s edits.@
@622@(T%d:#%d\@%d): failed resurrection attempt.@
@623@(T%d): unable to prune subtree rooted at node #%d\@%d.@
@624@(T%d:#%d\@%d): node has %s copy but not %s copy;
	if one is present, both must be present.@
@625@(T%d): not prepared to deal with full status or bounds copies
	at interior node #%d\@%d.@
@626@(T%d): searched to the root without finding stored basis & bounds copies.@
@627@(T%d): search tree node #%d\@%d (%#08x) has no parent.@
@628@(T%d): search tree node #%d\@%d has no liveinfo structure.@
@629@(T%d): leaf delete (%#08x) failed for node #%d\@%d.@
@630@(T%d:#%d\@%d): inconsistency between ivf_fixed and status array;
	ivf_fixed says %s (%d) fixed at %g, status is %s.@
@631@(T%d:#%d\@%d): no active variable structure to manipulate!@
@632@(T%d:#%d\@%d): inconsistent new constraint structures:
	count is %d but array is %snull.@
@633@(T%d:#%d\@%d): failed to delete new constraint structures.@
@634:649@<<open>>@

	Error messages from the bound storage/regeneration utilities.

@650@[%s]: %s<%s (%d)> = %g has IEEE FP class %s (%d).@
@651@[%s]: %s<%s (%d)> = %g is inside the zero tolerance %g.@
@652@[%s]: %s.bnd = %g has IEEE FP class %s (%d).@
@653@[%s]: %s.bnd = %g is inside the zero tolerance %g.@
@654@[%s]: %s.inf = %d is 1, < -%d, or > %d; invalid value.@
@655@[%s]: currently there are %d %s, but the stored bounds arrays
	have length %d.@
@656@the %s array is null in the bounds copy
	specified by key %d at T%d:#%d@%d.@
@657@invalid magic cookie at T%d:#%d@%d.@
@658@(T%d:#%d\@%d): bound edit (%#08x) for %s (%d) has no valid edits.@
@659@infeasible %s bound edit for %s (%d) at T%d:#%d\@%d;
	rewriting is not in progress; edit forced to feasibility.@
@660@ignored weak %s bound edit for %s (%d) at T%d:#%d\@%d;
	rewriting is not in progress; edit strengthened.@
@661@could not install bound edit %d (%#08x)
	for %s (%d) at T%d:#%d\@%d.@
@662@(T%d:#%d\@%d): cannot store a copy of the %s arrays.@
@663@cannot delete stored copy of %s at T%d:#%d\@%d.@
@664@(T%d:#%d\@%d): bounds rewriting is forced but not allowed.@
@665@(T%d:#%d\@%d): %s of %s edit information failed.@
@666@(T%d:#%d\@%d): %s %s (%d) should not have a %s but %s is present.@
@667@<<open>>@
@668@(T%d:#%d\@%d): invalid edit counts (%d/%d) in bound edit structure.@
@669:674@<<open>>@

	Error messages from the basis storage/regeneration utilities.

@675@no %s in stored basis copy.@
@676@[%s]: stored %s array length %d violates
	allowable range %d..%d.@
@677@(T%d:#%d\@%d:) %s %s edit information absent.@
@678@(T%d:#%d\@%d:) %s %s edit information already present.@
@679@[%s]: variable %s (%d) has status %s;
	explicit basic status should not be seen outside dylp.@
@680@inconsistent %s edit structure: edit count is %d but array is %snull.@
@681@[%s]: new %s size in edit structure violates
	allowable range %d <= %d <= %d.@
@682:699@<<open>>@

	Error messages related to tours, integrated variable forcing & fixing

@700@[%s]: %s could not install fixed
	variables at T%d:#%d\@%d.@
@701@(T%d:#%d\@%d): the monotone variable count is %d,
	but the monotone variable list is %snull.@
@702@(T%d:#%d\@%d): request to fix variable %s (%d) = %d
	but it is already fixed at %g.@
@703@(T%d:#%d\@%d): request to fix variable %s (%d)
	but lb = %g != %g = ub.@
@704@<<open>>@
@705@request to fix variable %s (%d) = %g at node T%d:#%d\@%d;
	this value is not integral (frac = %g).@
@706@(T%d:#%d\@%d): lp return code is %s; expecting %s.@
@707@(T%d:#%d\@%d): error while processing %s instructions.@
@708@(T%d:#%d\@%d): unexpected action code %s in %s entry
	for %s (%d).@
@709@(T%d:#%d\@%d): %s (%d) is to be fixed at %g, but this
	is not equal to lb = %g or ub = %g.@
@710@<<open>>@
@711@(T%d:#%d\@%d): no new incumbent this tour but branch is %s;
	branch instruction %s = %s
	current bounds lb = %g, ub = %g.@
@712@(T%d:#%d\@%d): failed to process branch instruction %s = %s."
@713@(T%d:#%d\@%d): %s constraint not suitable for %s branch.@
@714@(T%d:#%d\@%d): branch is %s;
	branch instruction %s = %s
	current bounds LB = %g, UB = %g.@
@715@(T%d:#%d\@%d): parent's estimate of lb = %g is greater than
	actual optimum for child's lp relaxation z<lp> = %g;
	error = %g, tol = %g.@
@716@(T%d:#%d\@%d): could not remove cuts.@
@717:724@<<open>>@


	Error messages related to fathoming and penalties

@725@subproblem T%d:#%d fathomed on %s; it should have
	evaluated as infeasible because of the objective constraint.@
@726@cannot perform penalty calculations at T%d:#%d\@%d.@
@727@error evaluating new integer solution at T%d:#%d\@%d.@
@728@<<open>>@
@729@the solution at subproblem T%d:#%d\@%d is not labelled integer.@
@730@the incumbent T%d:#%d\@%d has no stored %s array.@
@731@error while winnowing the set of live subproblems; bound %g.@
@732@[%s](T%d:#%d\@%d): error while attempting fathoming.@
@733@[%s](T%d:#%d\@%d): initial lp relaxation fathomed by bound.@
@734@[%s](T%d:#%d\@%d): cannot calculate reduced costs.@
@735@[%s](T%d:#%d\@%d): cannot calculate penalties for %s (%d).@
@736@[%s]: %s<%d,%d> = %g < 0. This should not be.@
@737@[%s]: don't know how to calculate penalty for inactive
	architectural variable %s (%d).@
@738@[%s]: cbar<%d> = %g for %s %s (%d);
	inside dual feasibility tolerance %g by %g.@
@739@[%s]: %s variable %s (%d) has status %s but cbarj = %g; incorrect sign.@
@740@[%s]: failed to calculate unscaled %s %s<%d>.@
@741@[%s]: alternate calculations of abar<%d,%d> disagree.
	beta<i>*a<j> = %g, (inv(B)a<j>)<%d> = %g, diff = %g, tol = %g.@
@742@[%s]: alternate calculations of beta<%d,%d> disagree.
	beta<i><k> = %g, (inv(B)e<k>)<i> = %g, diff = %g, tol = %g.@
@743@[%s]: dot(beta<%d>,a<%d>) should be %g,
	instead %g, diff = %g, tol = %g.@
@744:749@<<open>>@

	Error messages related to branching priority and tour groups
	(bonsai MIP code only)

@750@(T%d): invalid priority %d recovered for %s (%d).@
@751@(T%d:#%d\@%d): %d variable(s) remain to be forced;
	tour leader selection is premature.@
@752@(T%d:#%d\@%d): code %d does not specify a valid tour leader
	selection strategy.@
@753@(T%d:#%d\@%d): failed to select tour leader(s).@
@754@(T%d:#%d\@%d): liveinfo structure already exists.@
@755@empty priority specification.@
@756@priority class %d has no members.@
@757@null entry in member list for class %d.@
@758@all integer variables defaulted to a single
	branching priority class.@
@759@(T%d): %s (%d) is type %s; only integral variables
	have a branching priority.@
@760@tour group #%d has only one member.@
@761@initial processing of tour specifications failed.@
@762@in tour #%d the station vector being processed has general
	integer form; bonsai is not yet ready for this.@
@763@empty tourclass specification.@
@764@tour specification #%d has no %s.@
@765@null entry (position %d) in %s list for tour
	specification #%d.@
@766@cannot hash variable name %s to index in tour specification #%d.@
@767@duplicate entry for variable %s (%d);
	it seems to be in tour groups #%d and #%d.@
@768@failed to generate %s station(s) for tour specification #%d.@
@769@tour specification #%d has %d members, but the station
	vector being processed has only %d digits.@
@770@tour group size in specification %d violates legal
	range %d <= %d <= %d.@
@771@duplicate %s in stations for tour specification #%d; ignored.@
@772@stations #%d and #%d in tour specification #%d are identical.@
@773@%s (%d) is type %s; only binary variables may appear
	with a %s station specification.@
@774@(T%d): %s (%d) is type %s; only integral variables can be
	members of a tour group.@
@775:799@<<open>>@

	Error messages related to expansion of the active subproblem.
	(bonsai MIP code only)

@800@(T%d:#%d\@%d): missing liveinfo or var1/var2 structures.@
@801@(T%d:#%d\@%d): this node is already a parent.@
@802@<<open>>@
@803@(T%d:#%d\@%d): the tour %s %s (%d) has status %s;
	it should be %s.@
@804@(T%d:#%d\@%d): variable %s (%d) is not the tour leader;
	bonsai is not prepared to cope with a relative station specification
	for other tour group members.@
@805@(T%d:#%d\@%d): unrecognized change instruction %#08x at
	pos'n %d for variable %s (%d).@
@806@(T%d:#%d\@%d): cannot finalise the tour itinerary.@
@807@(T%d:#%d\@%d): error while processing tour stations.@
@808@(T%d:#%d\@%d): could not create child at station %s.@
@809@(T%d:#%d\@%d): all branch variable changes were looser
	than current bounds, hence all subproblems were suppressed.
	Are you sure the tour specification is correct?@
@810@(T%d:#%d\@%d): rhs ub = %g < %g = lb for %s constraint %s (%d).@
@811@(T%d:#%d\@%d): unable to verify or replace tour leader.@
@812@(T%d:#%d\@%d): failed to regenerate lp relaxation for tour parent.@
@813@(T%d:#%d\@%d): failed to generate tour environment data structures.@
@814:849@<<open>>@

	Error messages related to constraint analysis, box bounds,
	branch-on-hyperplane, and max-min-slack.

@850@[%s]: %s (%d) mismatch in variable/coefficient classification;
	row count %d, classified %d vars, %d coefficients.@
@851@[%s]: constraint classification failed.@
@852@(T%d:#%d\@%d): unable to calculate box bounds.@
@853@[%s]: unable to calculate off constraint bounds.@
@854@(T%d:#%d\@%d): error while scanning for BOH Type 1 candidate.@
@855@(T%d:#%d\@%d): error while attempting quick & dirty max-min-slack.@
@856@(T%d:#%d\@%d): max-min-slack lp failed, status %s.@
@857@(T%d:#%d\@%d): could not create expanded x<opt> vector.@
@858@(T%d:#%d\@%d): no valid hyperplanes after %s hyperplane pattern expansion.@
@859@(T%d:#%d\@%d): could not complete %s for max-min-slack lp.@
@860@(T%d:#%d\@%d): error while attempting scan to center.@
@861@(T%d:#%d\@%d): expected to convert %d %s,
	but actually converted %d.@
@862@(T%d:#%d\@%d): failed to install %s for %g <= %s (%d) <= %g.@
@863@[%s]: right-hand-side reduction failed.@
@864@<<open>>@
@865@(T%d:#%d\@%d): can't install new incumbent (rounding).@
@866@(T%d:#%d\@%d): failed to solve lp relaxation of heuristic solution.@
@867@(T%d:#%d\@%d): failed to manufacture branching hyperplane from %s (%d).@
@868@(T%d:#%d\@%d): coefficient reduction cannot be performed
	on %s constraint %s (%d).@
@869@(T%d:#%d\@%d): coefficient reduction failed for %s (%d).@
@870@[%s]: integral equality %s (%d) has real rhs = %g!
	Check your model and try again.@
@871:899@<<open>>@

	Error messages generated by cutting plane management.

@900@(T%d:#%d\@%d): error in range of cuts to delete. Deleting to
	%s (%d) will delete architectural constraints from %d to %d.@
@901@(T%d:#%d\@%d): suspicious constraint count %d is not equal to
	size of parent system (%d) or root system (%d).@
@902@(T%d:#%d\@%d): error in range for cut edit generation. Starting
	from %s (%d) will generate edits for architectural constraints
	from %d to %d.@
@903@<<open>>@
@904@(T%d:#%d\@%d): could not install cut %s.@
@905@(T%d:#%d\@%d): error while evaluating MMS branching candidates.@
@906:949@<<open>>@

	Error messages related to dylp's simplex/tableau and ray routines

@950@[%s]: inactive %s %s (%d); cannot %s.@
@951@[%s]: nonbasic variable %s (%d); cannot %s.@
@952@[%s]: error calculating basis inverse %s %d, %s %s (%d).@
@953@[%s]: error calculating %s %s, %s (%d).@
@954@[%s]: cannot calculate %s rays; incompatible lp return code %s.@
@955@[%s]: error while generating %s rays.@
