/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-20 12:03:37,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 12:03:37,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 12:03:37,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 12:03:37,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 12:03:37,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 12:03:37,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 12:03:37,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 12:03:37,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 12:03:37,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 12:03:37,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 12:03:37,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 12:03:37,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 12:03:37,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 12:03:37,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 12:03:37,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 12:03:37,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 12:03:37,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 12:03:37,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 12:03:37,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 12:03:37,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 12:03:37,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 12:03:37,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 12:03:37,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 12:03:37,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-20 12:03:37,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 12:03:37,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 12:03:37,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 12:03:37,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-02-20 12:03:37,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 12:03:37,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 12:03:37,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 12:03:37,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 12:03:37,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 12:03:37,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 12:03:37,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 12:03:37,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 12:03:37,654 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 12:03:37,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 12:03:37,654 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 12:03:37,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 12:03:37,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 12:03:37,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 12:03:37,656 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-20 12:03:37,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 12:03:37,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:03:37,657 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 12:03:37,657 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-20 12:03:37,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-20 12:03:37,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 12:03:37,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 12:03:37,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 12:03:37,878 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-20 12:03:37,879 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-20 12:03:37,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl [2022-02-20 12:03:37,880 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/dec-subseq.wvr.bpl' [2022-02-20 12:03:37,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 12:03:37,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-20 12:03:37,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 12:03:37,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 12:03:37,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 12:03:37,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,921 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-20 12:03:37,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 12:03:37,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 12:03:37,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 12:03:37,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 12:03:37,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 12:03:37,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 12:03:37,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 12:03:37,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 12:03:37,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/1) ... [2022-02-20 12:03:37,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 12:03:37,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:03:37,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 12:03:37,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 12:03:37,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-20 12:03:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-20 12:03:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-20 12:03:37,986 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-20 12:03:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-20 12:03:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-20 12:03:37,987 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-20 12:03:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 12:03:37,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 12:03:37,987 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 12:03:38,027 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 12:03:38,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 12:03:38,152 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 12:03:38,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 12:03:38,173 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 12:03:38,175 INFO L202 PluginConnector]: Adding new model dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:03:38 BoogieIcfgContainer [2022-02-20 12:03:38,175 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 12:03:38,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 12:03:38,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 12:03:38,193 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 12:03:38,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 20.02 12:03:37" (1/2) ... [2022-02-20 12:03:38,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72777304 and model type dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 12:03:38, skipping insertion in model container [2022-02-20 12:03:38,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dec-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 12:03:38" (2/2) ... [2022-02-20 12:03:38,196 INFO L111 eAbstractionObserver]: Analyzing ICFG dec-subseq.wvr.bpl [2022-02-20 12:03:38,199 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 12:03:38,199 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 12:03:38,199 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 12:03:38,199 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 12:03:38,252 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 12:03:38,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-20 12:03:38,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:03:38,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-20 12:03:38,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-20 12:03:38,345 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 12:03:38,352 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-02-20 12:03:38,353 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-20 12:03:41,950 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2650 transitions and produced 2446 states. [2022-02-20 12:03:41,952 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:03:41,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:03:41,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1443615163, now seen corresponding path program 1 times [2022-02-20 12:03:41,963 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:03:41,963 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186529497] [2022-02-20 12:03:41,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:03:41,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:03:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:03:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 87438 backedges. 86723 proven. 570 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-02-20 12:03:52,473 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:03:52,473 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186529497] [2022-02-20 12:03:52,474 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186529497] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:03:52,474 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464389224] [2022-02-20 12:03:52,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:03:52,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:03:52,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:03:52,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:03:52,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 12:03:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:03:52,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 2047 conjuncts, 199 conjunts are in the unsatisfiable core [2022-02-20 12:03:52,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:03:54,660 INFO L134 CoverageAnalysis]: Checked inductivity of 87438 backedges. 87283 proven. 10 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-02-20 12:03:54,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:04:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 87438 backedges. 87283 proven. 10 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-02-20 12:04:04,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464389224] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:04:04,565 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:04:04,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [159, 159, 159] total 314 [2022-02-20 12:04:04,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477107601] [2022-02-20 12:04:04,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:04:04,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 315 states [2022-02-20 12:04:04,579 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:04:04,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 315 interpolants. [2022-02-20 12:04:04,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49298, Invalid=49612, Unknown=0, NotChecked=0, Total=98910 [2022-02-20 12:04:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:04:04,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:04:04,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 315 states, 315 states have (on average 5.67936507936508) internal successors, (1789), 314 states have internal predecessors, (1789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 12:04:04,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:04:58,417 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6709 transitions and produced 5576 states. [2022-02-20 12:04:58,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-20 12:04:58,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-20 12:04:58,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-20 12:04:58,622 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:04:58,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:04:58,623 INFO L85 PathProgramCache]: Analyzing trace with hash -545406335, now seen corresponding path program 2 times [2022-02-20 12:04:58,623 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:04:58,623 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242767991] [2022-02-20 12:04:58,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:04:58,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:05:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:05:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 356657 backedges. 298554 proven. 57881 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-02-20 12:05:31,621 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:05:31,621 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242767991] [2022-02-20 12:05:31,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242767991] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:05:31,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245902898] [2022-02-20 12:05:31,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 12:05:31,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:05:31,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:05:31,624 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:05:31,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 12:05:32,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 12:05:32,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:05:32,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 5024 conjuncts, 512 conjunts are in the unsatisfiable core [2022-02-20 12:05:32,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:05:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 356657 backedges. 299584 proven. 56851 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-02-20 12:05:36,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 12:05:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 356657 backedges. 299584 proven. 56851 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-02-20 12:05:50,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245902898] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 12:05:50,064 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 12:05:50,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [315, 315, 315] total 469 [2022-02-20 12:05:50,065 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892369401] [2022-02-20 12:05:50,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 12:05:50,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 470 states [2022-02-20 12:05:50,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 12:05:50,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 470 interpolants. [2022-02-20 12:05:50,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109902, Invalid=110528, Unknown=0, NotChecked=0, Total=220430 [2022-02-20 12:05:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:05:50,111 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-20 12:05:50,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 470 states, 470 states have (on average 7.763829787234043) internal successors, (3649), 469 states have internal predecessors, (3649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 12:05:50,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2022-02-20 12:05:50,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-20 12:09:01,696 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 10765 transitions and produced 8697 states. [2022-02-20 12:09:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2022-02-20 12:09:01,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2022-02-20 12:09:01,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 12:09:01,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:09:01,899 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-20 12:09:01,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 12:09:01,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1167719979, now seen corresponding path program 3 times [2022-02-20 12:09:01,900 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 12:09:01,900 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886355442] [2022-02-20 12:09:01,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 12:09:01,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 12:09:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 12:10:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 844235 backedges. 626076 proven. 217937 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-02-20 12:10:16,855 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 12:10:16,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886355442] [2022-02-20 12:10:16,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886355442] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 12:10:16,855 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408675495] [2022-02-20 12:10:16,855 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-20 12:10:16,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:10:16,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 12:10:16,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 12:10:16,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 12:11:03,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 344 check-sat command(s) [2022-02-20 12:11:03,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 12:11:03,254 WARN L261 TraceCheckSpWp]: Trace formula consists of 6458 conjuncts, 4010 conjunts are in the unsatisfiable core [2022-02-20 12:11:03,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 12:11:53,128 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-02-20 12:11:53,129 WARN L325 FreeRefinementEngine]: Global settings require throwing the following exception [2022-02-20 12:11:53,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-02-20 12:11:53,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 12:11:53,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 12:11:53,330 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:899) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:156) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 46 more [2022-02-20 12:11:53,334 INFO L158 Benchmark]: Toolchain (without parser) took 495430.73ms. Allocated memory was 187.7MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 151.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2022-02-20 12:11:53,334 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 187.7MB. Free memory was 153.2MB in the beginning and 153.0MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 12:11:53,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.89ms. Allocated memory is still 187.7MB. Free memory was 151.9MB in the beginning and 150.3MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-20 12:11:53,335 INFO L158 Benchmark]: Boogie Preprocessor took 12.80ms. Allocated memory is still 187.7MB. Free memory was 150.3MB in the beginning and 149.4MB in the end (delta: 896.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-20 12:11:53,336 INFO L158 Benchmark]: RCFGBuilder took 238.23ms. Allocated memory is still 187.7MB. Free memory was 149.4MB in the beginning and 140.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-20 12:11:53,336 INFO L158 Benchmark]: TraceAbstraction took 495157.16ms. Allocated memory was 187.7MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 139.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2022-02-20 12:11:53,338 INFO L339 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 0.09ms. Allocated memory is still 187.7MB. Free memory was 153.2MB in the beginning and 153.0MB in the end (delta: 150.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.89ms. Allocated memory is still 187.7MB. Free memory was 151.9MB in the beginning and 150.3MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.80ms. Allocated memory is still 187.7MB. Free memory was 150.3MB in the beginning and 149.4MB in the end (delta: 896.3kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 238.23ms. Allocated memory is still 187.7MB. Free memory was 149.4MB in the beginning and 140.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 495157.16ms. Allocated memory was 187.7MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 139.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-20 12:11:53,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...