java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f57a05f [2019-01-08 14:18:51,553 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-08 14:18:51,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-08 14:18:51,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-08 14:18:51,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-08 14:18:51,577 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-08 14:18:51,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-08 14:18:51,582 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-08 14:18:51,584 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-08 14:18:51,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-08 14:18:51,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-08 14:18:51,632 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_array_oct.epf [2019-01-08 14:18:51,654 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-08 14:18:51,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-08 14:18:51,655 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-08 14:18:51,655 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-08 14:18:51,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-08 14:18:51,656 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-08 14:18:51,656 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-08 14:18:51,656 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-08 14:18:51,656 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-08 14:18:51,656 INFO L133 SettingsManager]: * Underlying domain=OctagonDomain [2019-01-08 14:18:51,657 INFO L133 SettingsManager]: * Abstract domain=ArrayDomain [2019-01-08 14:18:51,657 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-08 14:18:51,657 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-08 14:18:51,658 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-08 14:18:51,658 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-08 14:18:51,658 INFO L133 SettingsManager]: * Use SBE=true [2019-01-08 14:18:51,658 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-08 14:18:51,658 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-08 14:18:51,659 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-08 14:18:51,659 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-08 14:18:51,659 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-08 14:18:51,659 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-08 14:18:51,659 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-08 14:18:51,660 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-08 14:18:51,660 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-08 14:18:51,660 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-08 14:18:51,660 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-08 14:18:51,660 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-08 14:18:51,661 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-08 14:18:51,661 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-08 14:18:51,661 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-08 14:18:51,661 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-08 14:18:51,661 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-08 14:18:51,662 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-08 14:18:51,662 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-08 14:18:51,662 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-08 14:18:51,662 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in [2019-01-08 14:18:51,662 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-08 14:18:51,663 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-08 14:18:51,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-08 14:18:51,731 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-08 14:18:51,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-08 14:18:51,737 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-08 14:18:51,738 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-08 14:18:51,739 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl [2019-01-08 14:18:51,739 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/string.i_3.bpl' [2019-01-08 14:18:51,793 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-08 14:18:51,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-08 14:18:51,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-08 14:18:51,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-08 14:18:51,798 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-08 14:18:51,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-08 14:18:51,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-08 14:18:51,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-08 14:18:51,847 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-08 14:18:51,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... [2019-01-08 14:18:51,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-08 14:18:51,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-08 14:18:51,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-08 14:18:51,878 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-08 14:18:51,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:8192 -smt2 -in -t:2000 [2019-01-08 14:18:51,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-08 14:18:51,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-08 14:18:52,236 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-08 14:18:52,236 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-08 14:18:52,239 INFO L202 PluginConnector]: Adding new model string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 02:18:52 BoogieIcfgContainer [2019-01-08 14:18:52,240 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-08 14:18:52,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-08 14:18:52,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-08 14:18:52,246 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-08 14:18:52,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 08.01 02:18:51" (1/2) ... [2019-01-08 14:18:52,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9e745d and model type string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 02:18:52, skipping insertion in model container [2019-01-08 14:18:52,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "string.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 02:18:52" (2/2) ... [2019-01-08 14:18:52,252 INFO L112 eAbstractionObserver]: Analyzing ICFG string.i_3.bpl [2019-01-08 14:18:52,264 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-08 14:18:52,274 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-01-08 14:18:52,292 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-01-08 14:18:52,332 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-08 14:18:52,332 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-08 14:18:52,332 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-08 14:18:52,332 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-08 14:18:52,333 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-08 14:18:52,334 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-08 14:18:52,334 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-08 14:18:52,334 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-08 14:18:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-01-08 14:18:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-08 14:18:52,362 INFO L394 BasicCegarLoop]: Found error trace [2019-01-08 14:18:52,363 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-08 14:18:52,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-08 14:18:52,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-08 14:18:52,372 INFO L82 PathProgramCache]: Analyzing trace with hash 928714, now seen corresponding path program 1 times [2019-01-08 14:18:52,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-08 14:18:52,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-08 14:18:52,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-08 14:18:52,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-08 14:18:52,431 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-08 14:18:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-08 14:18:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-08 14:18:52,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-08 14:18:52,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-08 14:18:52,527 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-01-08 14:18:52,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-08 14:18:52,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-08 14:18:52,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-08 14:18:52,579 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 3 states. [2019-01-08 14:18:52,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-08 14:18:52,724 INFO L93 Difference]: Finished difference Result 12 states and 16 transitions. [2019-01-08 14:18:52,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-08 14:18:52,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-08 14:18:52,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-08 14:18:52,738 INFO L225 Difference]: With dead ends: 12 [2019-01-08 14:18:52,739 INFO L226 Difference]: Without dead ends: 7 [2019-01-08 14:18:52,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-08 14:18:52,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-01-08 14:18:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-01-08 14:18:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-08 14:18:52,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2019-01-08 14:18:52,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 8 transitions. Word has length 4 [2019-01-08 14:18:52,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-08 14:18:52,777 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 8 transitions. [2019-01-08 14:18:52,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-08 14:18:52,777 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-01-08 14:18:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-01-08 14:18:52,778 INFO L394 BasicCegarLoop]: Found error trace [2019-01-08 14:18:52,778 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-01-08 14:18:52,779 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2019-01-08 14:18:52,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-08 14:18:52,779 INFO L82 PathProgramCache]: Analyzing trace with hash 894131125, now seen corresponding path program 1 times [2019-01-08 14:18:52,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-01-08 14:18:52,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-08 14:18:52,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-08 14:18:52,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-08 14:18:52,781 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-01-08 14:18:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-08 14:18:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-01-08 14:18:52,874 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-01-08 14:18:52,874 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-01-08 14:18:52,875 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 7 with the following transitions: [2019-01-08 14:18:52,877 INFO L207 CegarAbsIntRunner]: [0], [5], [7], [12], [14], [16] [2019-01-08 14:18:52,964 INFO L148 AbstractInterpreter]: Using domain ArrayDomain [2019-01-08 14:18:52,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain ArrayDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-08 14:18:59,226 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:240) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.Boogie2SmtSymbolTableTmpVars.getBoogieVar(Boogie2SmtSymbolTableTmpVars.java:112) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.ExpressionTransformer.toAffineExpr(ExpressionTransformer.java:167) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.ExpressionTransformer.affineExprCached(ExpressionTransformer.java:99) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.OctStatementProcessor.processNumericAssignWithoutIfs(OctStatementProcessor.java:200) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.OctStatementProcessor.processNumericAssign(OctStatementProcessor.java:192) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.OctStatementProcessor.processSingleAssignment(OctStatementProcessor.java:142) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.OctStatementProcessor.processAssignmentStatement(OctStatementProcessor.java:88) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.OctStatementProcessor.processStatement(OctStatementProcessor.java:65) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.OctPostOperator.apply(OctPostOperator.java:204) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.relational.octagon.OctPostOperator.apply(OctPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.array.ArrayDomainToolkit.handleStatementBySubdomain(ArrayDomainToolkit.java:160) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.array.ArrayDomainStatementProcessor.processSingleAssignment(ArrayDomainStatementProcessor.java:136) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.array.ArrayDomainStatementProcessor.processAssignment(ArrayDomainStatementProcessor.java:76) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.array.ArrayDomainStatementProcessor.process(ArrayDomainStatementProcessor.java:43) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.array.ArrayDomainPostOperator.handleInternalTransition(ArrayDomainPostOperator.java:124) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.array.ArrayDomainPostOperator.apply(ArrayDomainPostOperator.java:74) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.array.ArrayDomainPostOperator.apply(ArrayDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:456) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-08 14:18:59,230 INFO L168 Benchmark]: Toolchain (without parser) took 7436.36 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -207.6 MB). Peak memory consumption was 827.8 MB. Max. memory is 7.1 GB. [2019-01-08 14:18:59,233 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-08 14:18:59,234 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-01-08 14:18:59,235 INFO L168 Benchmark]: Boogie Preprocessor took 30.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2019-01-08 14:18:59,236 INFO L168 Benchmark]: RCFGBuilder took 362.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2019-01-08 14:18:59,237 INFO L168 Benchmark]: TraceAbstraction took 6988.60 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -239.4 MB). Peak memory consumption was 796.1 MB. Max. memory is 7.1 GB. [2019-01-08 14:18:59,242 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.47 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.99 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 362.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6988.60 ms. Allocated memory was 1.5 GB in the beginning and 2.6 GB in the end (delta: 1.0 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -239.4 MB). Peak memory consumption was 796.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...