/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/parallel/misc-2-unrolled.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 09:54:21,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 09:54:21,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 09:54:22,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-02 09:54:22,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 09:54:22,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 09:54:22,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 09:54:22,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 09:54:22,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 09:54:22,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 09:54:22,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 09:54:22,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 09:54:22,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 09:54:22,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 09:54:22,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 09:54:22,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 09:54:22,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 09:54:22,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 09:54:22,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 09:54:22,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 09:54:22,077 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 [2022-03-02 09:54:22,102 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 09:54:22,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 09:54:22,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 09:54:22,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 09:54:22,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 09:54:22,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 09:54:22,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 09:54:22,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 09:54:22,105 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 09:54:22,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 09:54:22,105 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 09:54:22,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 09:54:22,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 09:54:22,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 09:54:22,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 09:54:22,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 09:54:22,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 09:54:22,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:54:22,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 09:54:22,108 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 09:54:22,109 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 09:54:22,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 09:54:22,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 09:54:22,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 09:54:22,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 09:54:22,353 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 09:54:22,354 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 09:54:22,355 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl [2022-03-02 09:54:22,355 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-2-unrolled.wvr.bpl' [2022-03-02 09:54:22,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 09:54:22,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 09:54:22,377 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 09:54:22,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 09:54:22,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 09:54:22,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,398 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 09:54:22,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 09:54:22,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 09:54:22,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 09:54:22,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 09:54:22,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 09:54:22,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 09:54:22,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 09:54:22,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 09:54:22,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/1) ... [2022-03-02 09:54:22,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 09:54:22,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:54:22,456 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) [2022-03-02 09:54:22,471 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 [2022-03-02 09:54:22,493 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 09:54:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 09:54:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 09:54:22,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 09:54:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 09:54:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 09:54:22,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 09:54:22,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 09:54:22,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 09:54:22,495 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-02 09:54:22,528 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 09:54:22,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 09:54:22,625 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 09:54:22,633 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 09:54:22,634 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 09:54:22,641 INFO L202 PluginConnector]: Adding new model misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:54:22 BoogieIcfgContainer [2022-03-02 09:54:22,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 09:54:22,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 09:54:22,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 09:54:22,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 09:54:22,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 09:54:22" (1/2) ... [2022-03-02 09:54:22,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35bf200a and model type misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 09:54:22, skipping insertion in model container [2022-03-02 09:54:22,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 09:54:22" (2/2) ... [2022-03-02 09:54:22,650 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-2-unrolled.wvr.bpl [2022-03-02 09:54:22,654 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 09:54:22,654 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 09:54:22,654 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 09:54:22,654 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 09:54:22,701 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-02 09:54:22,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 09:54:22,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:54:22,759 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) [2022-03-02 09:54:22,778 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 [2022-03-02 09:54:22,819 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 09:54:22,832 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 [2022-03-02 09:54:22,832 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-03-02 09:54:23,913 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1549 transitions and produced 1355 states. [2022-03-02 09:54:23,915 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:54:23,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:54:23,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1888549866, now seen corresponding path program 1 times [2022-03-02 09:54:23,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:54:23,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197369471] [2022-03-02 09:54:23,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:54:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:54:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:54:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 26068 backedges. 24995 proven. 1066 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-02 09:54:33,908 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:54:33,909 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197369471] [2022-03-02 09:54:33,909 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197369471] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:54:33,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511831297] [2022-03-02 09:54:33,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:54:33,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:54:33,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:54:33,916 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) [2022-03-02 09:54:33,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-02 09:54:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:54:34,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 258 conjunts are in the unsatisfiable core [2022-03-02 09:54:34,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:54:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 26068 backedges. 24995 proven. 1066 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-02 09:54:35,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:55:01,079 INFO L134 CoverageAnalysis]: Checked inductivity of 26068 backedges. 24995 proven. 1066 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-02 09:55:01,080 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511831297] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:55:01,080 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:55:01,080 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [153, 153, 229] total 381 [2022-03-02 09:55:01,082 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730264837] [2022-03-02 09:55:01,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:55:01,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2022-03-02 09:55:01,091 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:55:01,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2022-03-02 09:55:01,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66179, Invalid=79363, Unknown=0, NotChecked=0, Total=145542 [2022-03-02 09:55:01,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:55:01,148 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:55:01,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 382 states have (on average 3.3612565445026177) internal successors, (1284), 381 states have internal predecessors, (1284), 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) [2022-03-02 09:55:01,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:56:28,739 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2563 transitions and produced 2207 states. [2022-03-02 09:56:28,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 512 states. [2022-03-02 09:56:28,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-03-02 09:56:28,943 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 [2022-03-02 09:56:28,944 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:56:28,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:56:28,945 INFO L85 PathProgramCache]: Analyzing trace with hash 998884816, now seen corresponding path program 2 times [2022-03-02 09:56:28,945 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:56:28,945 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090134808] [2022-03-02 09:56:28,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:56:28,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:56:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:57:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 52984 backedges. 40132 proven. 12852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-02 09:57:11,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:57:11,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090134808] [2022-03-02 09:57:11,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090134808] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:57:11,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830514148] [2022-03-02 09:57:11,747 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 09:57:11,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:57:11,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:57:11,756 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) [2022-03-02 09:57:11,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-02 09:57:12,035 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 09:57:12,035 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:57:12,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 292 conjunts are in the unsatisfiable core [2022-03-02 09:57:12,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:57:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 52984 backedges. 32707 proven. 12852 refuted. 0 times theorem prover too weak. 7425 trivial. 0 not checked. [2022-03-02 09:57:13,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 09:57:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 52984 backedges. 32707 proven. 12852 refuted. 0 times theorem prover too weak. 7425 trivial. 0 not checked. [2022-03-02 09:57:41,037 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830514148] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 09:57:41,037 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 09:57:41,037 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [399, 291, 291] total 544 [2022-03-02 09:57:41,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653449090] [2022-03-02 09:57:41,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 09:57:41,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 545 states [2022-03-02 09:57:41,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 09:57:41,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 545 interpolants. [2022-03-02 09:57:41,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74870, Invalid=221610, Unknown=0, NotChecked=0, Total=296480 [2022-03-02 09:57:41,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:57:41,069 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 09:57:41,071 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 545 states, 545 states have (on average 2.5192660550458714) internal successors, (1373), 544 states have internal predecessors, (1373), 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) [2022-03-02 09:57:41,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 512 states. [2022-03-02 09:57:41,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 09:58:13,576 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4038 transitions and produced 3484 states. [2022-03-02 09:58:13,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 513 states. [2022-03-02 09:58:13,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2022-03-02 09:58:13,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-02 09:58:13,791 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 [2022-03-02 09:58:13,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 09:58:13,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 09:58:13,792 INFO L85 PathProgramCache]: Analyzing trace with hash 629358269, now seen corresponding path program 3 times [2022-03-02 09:58:13,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 09:58:13,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386062755] [2022-03-02 09:58:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 09:58:13,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 09:58:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 09:59:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 129442 backedges. 71926 proven. 57509 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-02 09:59:27,042 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 09:59:27,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386062755] [2022-03-02 09:59:27,043 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386062755] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 09:59:27,043 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741082199] [2022-03-02 09:59:27,043 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-02 09:59:27,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 09:59:27,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 09:59:27,050 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) [2022-03-02 09:59:27,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-02 09:59:29,154 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 170 check-sat command(s) [2022-03-02 09:59:29,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 09:59:29,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 2924 conjuncts, 646 conjunts are in the unsatisfiable core [2022-03-02 09:59:29,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 09:59:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 129442 backedges. 71926 proven. 57509 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-02 09:59:32,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:01:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 129442 backedges. 71926 proven. 57509 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-03-02 10:01:11,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741082199] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:01:11,035 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:01:11,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [541, 541, 617] total 932 [2022-03-02 10:01:11,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893422646] [2022-03-02 10:01:11,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:01:11,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 933 states [2022-03-02 10:01:11,039 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:01:11,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 933 interpolants. [2022-03-02 10:01:11,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=250592, Invalid=618964, Unknown=0, NotChecked=0, Total=869556 [2022-03-02 10:01:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:01:11,127 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:01:11,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 933 states, 933 states have (on average 2.855305466237942) internal successors, (2664), 932 states have internal predecessors, (2664), 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) [2022-03-02 10:01:11,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 513 states. [2022-03-02 10:01:11,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 365 states. [2022-03-02 10:01:11,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:06:04,287 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3978 transitions and produced 3250 states. [2022-03-02 10:06:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 513 states. [2022-03-02 10:06:04,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 365 states. [2022-03-02 10:06:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 595 states. [2022-03-02 10:06:04,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-02 10:06:04,489 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 [2022-03-02 10:06:04,490 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-03-02 10:06:04,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:06:04,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1501664783, now seen corresponding path program 4 times [2022-03-02 10:06:04,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:06:04,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072730191] [2022-03-02 10:06:04,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:06:04,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:06:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-02 10:06:35,958 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-03-02 10:06:35,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-02 10:06:35,959 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1487 with TraceHistMax 152,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 320 known predicates. [2022-03-02 10:06:35,960 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-03-02 10:06:35,961 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-03-02 10:06:35,966 INFO L732 BasicCegarLoop]: Path program histogram: [4] [2022-03-02 10:06:35,968 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:06:35,968 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:06:35,970 INFO L202 PluginConnector]: Adding new model misc-2-unrolled.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:06:35 BasicIcfg [2022-03-02 10:06:35,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:06:35,970 INFO L158 Benchmark]: Toolchain (without parser) took 733594.18ms. Allocated memory was 177.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 134.4MB in the beginning and 484.1MB in the end (delta: -349.7MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-02 10:06:35,971 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:06:35,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.65ms. Allocated memory is still 177.2MB. Free memory was 134.3MB in the beginning and 132.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-02 10:06:35,971 INFO L158 Benchmark]: Boogie Preprocessor took 16.41ms. Allocated memory is still 177.2MB. Free memory was 132.7MB in the beginning and 131.8MB in the end (delta: 930.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:06:35,972 INFO L158 Benchmark]: RCFGBuilder took 222.65ms. Allocated memory is still 177.2MB. Free memory was 131.8MB in the beginning and 123.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-03-02 10:06:35,972 INFO L158 Benchmark]: TraceAbstraction took 733327.01ms. Allocated memory was 177.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 122.7MB in the beginning and 484.1MB in the end (delta: -361.4MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-02 10:06:35,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2022-03-02 10:06:35,982 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-02 10:06:35,983 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 177.2MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.65ms. Allocated memory is still 177.2MB. Free memory was 134.3MB in the beginning and 132.7MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.41ms. Allocated memory is still 177.2MB. Free memory was 132.7MB in the beginning and 131.8MB in the end (delta: 930.4kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 222.65ms. Allocated memory is still 177.2MB. Free memory was 131.8MB in the beginning and 123.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 733327.01ms. Allocated memory was 177.2MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 122.7MB in the beginning and 484.1MB in the end (delta: -361.4MB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1487 with TraceHistMax 152,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 320 known predicates. - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1487 with TraceHistMax 152,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 320 known predicates. - TimeoutResultAtElement [Line: 40]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1487 with TraceHistMax 152,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 320 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 40 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 733.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 414.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1473, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 281.0s InterpolantComputationTime, 6556 NumberOfCodeBlocks, 6556 NumberOfCodeBlocksAsserted, 176 NumberOfCheckSat, 9825 ConstructedInterpolants, 0 QuantifiedInterpolants, 72931 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5919 ConjunctsInSsa, 1196 ConjunctsInUnsatCore, 9 InterpolantComputations, 0 PerfectInterpolantSequences, 411201/625482 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown