/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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 05:21:00,392 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 05:21:00,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 05:21:00,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 05:21:00,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 05:21:00,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 05:21:00,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 05:21:00,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 05:21:00,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 05:21:00,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 05:21:00,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 05:21:00,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 05:21:00,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 05:21:00,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 05:21:00,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 05:21:00,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 05:21:00,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 05:21:00,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 05:21:00,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 05:21:00,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 05:21:00,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 05:21:00,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 05:21:00,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 05:21:00,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 05:21:00,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 05:21:00,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 05:21:00,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 05:21:00,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 05:21:00,478 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-MCRwithDepranks-Lazy-NoForkJoinOpt.epf [2022-03-04 05:21:00,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 05:21:00,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 05:21:00,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 05:21:00,506 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 05:21:00,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 05:21:00,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 05:21:00,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 05:21:00,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 05:21:00,508 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 05:21:00,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 05:21:00,508 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 05:21:00,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 05:21:00,509 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:21:00,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 05:21:00,511 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 05:21:00,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 05:21:00,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 05:21:00,512 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 05:21:00,512 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 05:21:00,512 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 05:21:00,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 05:21:00,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 05:21:00,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 05:21:00,691 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 05:21:00,692 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 05:21:00,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl [2022-03-04 05:21:00,693 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x9.wvr.bpl' [2022-03-04 05:21:00,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 05:21:00,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 05:21:00,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 05:21:00,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 05:21:00,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 05:21:00,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,729 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 05:21:00,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 05:21:00,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 05:21:00,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 05:21:00,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 05:21:00,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 05:21:00,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 05:21:00,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 05:21:00,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 05:21:00,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/1) ... [2022-03-04 05:21:00,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 05:21:00,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:21:00,763 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) [2022-03-04 05:21:00,768 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 [2022-03-04 05:21:00,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 05:21:00,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 05:21:00,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 05:21:00,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 05:21:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 05:21:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 05:21:00,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 05:21:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 05:21:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 05:21:00,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 05:21:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 05:21:00,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 05:21:00,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-04 05:21:00,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-04 05:21:00,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-04 05:21:00,794 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 05:21:00,825 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 05:21:00,826 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 05:21:00,913 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 05:21:00,918 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 05:21:00,919 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 05:21:00,920 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:21:00 BoogieIcfgContainer [2022-03-04 05:21:00,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 05:21:00,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 05:21:00,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 05:21:00,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 05:21:00,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 05:21:00" (1/2) ... [2022-03-04 05:21:00,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89b730 and model type exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 05:21:00, skipping insertion in model container [2022-03-04 05:21:00,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 05:21:00" (2/2) ... [2022-03-04 05:21:00,933 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x9.wvr.bpl [2022-03-04 05:21:00,936 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 05:21:00,936 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 05:21:00,937 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 05:21:00,937 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 05:21:00,970 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-04 05:21:00,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 05:21:00,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:21:01,012 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) [2022-03-04 05:21:01,013 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 [2022-03-04 05:21:01,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 05:21:01,056 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=false, mMcrOverapproximateWrwc=true [2022-03-04 05:21:01,056 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-04 05:21:09,441 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2422200 transitions and produced 608382 states. [2022-03-04 05:21:09,443 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-04 05:21:09,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 05:21:09,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1504098190, now seen corresponding path program 1 times [2022-03-04 05:21:09,456 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 05:21:09,458 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501129634] [2022-03-04 05:21:09,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:21:09,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 05:21:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:21:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 05:21:20,005 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 05:21:20,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501129634] [2022-03-04 05:21:20,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501129634] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 05:21:20,006 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004039340] [2022-03-04 05:21:20,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 05:21:20,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 05:21:20,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 05:21:20,008 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) [2022-03-04 05:21:20,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-04 05:21:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 05:21:20,127 WARN L261 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 453 conjunts are in the unsatisfiable core [2022-03-04 05:21:20,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2022-03-04 05:35:35,380 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 [2022-03-04 05:35:35,380 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 05:35:35,380 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 [2022-03-04 05:35:35,919 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-04 05:35:35,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-04 05:35:36,120 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 [2022-03-04 05:35:36,121 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 276 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. [2022-03-04 05:35:36,123 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-04 05:35:36,123 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-04 05:35:36,123 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-04 05:35:36,123 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-04 05:35:36,130 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-03-04 05:35:36,132 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 05:35:36,132 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 05:35:36,135 INFO L202 PluginConnector]: Adding new model exp2x9.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 05:35:36 BasicIcfg [2022-03-04 05:35:36,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 05:35:36,140 INFO L158 Benchmark]: Toolchain (without parser) took 875423.89ms. Allocated memory was 175.1MB in the beginning and 7.1GB in the end (delta: 7.0GB). Free memory was 140.8MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2022-03-04 05:35:36,140 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 175.1MB. Free memory was 142.0MB in the beginning and 141.9MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 05:35:36,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.76ms. Allocated memory is still 175.1MB. Free memory was 140.7MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 05:35:36,142 INFO L158 Benchmark]: Boogie Preprocessor took 11.03ms. Allocated memory is still 175.1MB. Free memory was 139.1MB in the beginning and 138.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 05:35:36,142 INFO L158 Benchmark]: RCFGBuilder took 177.34ms. Allocated memory is still 175.1MB. Free memory was 138.1MB in the beginning and 128.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-04 05:35:36,143 INFO L158 Benchmark]: TraceAbstraction took 875214.44ms. Allocated memory was 175.1MB in the beginning and 7.1GB in the end (delta: 7.0GB). Free memory was 127.6MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 2.0GB. Max. memory is 8.0GB. [2022-03-04 05:35:36,144 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 175.1MB. Free memory was 142.0MB in the beginning and 141.9MB in the end (delta: 72.5kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.76ms. Allocated memory is still 175.1MB. Free memory was 140.7MB in the beginning and 139.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.03ms. Allocated memory is still 175.1MB. Free memory was 139.1MB in the beginning and 138.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 177.34ms. Allocated memory is still 175.1MB. Free memory was 138.1MB in the beginning and 128.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 875214.44ms. Allocated memory was 175.1MB in the beginning and 7.1GB in the end (delta: 7.0GB). Free memory was 127.6MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 2.0GB. 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: 84]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 276 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. - TimeoutResultAtElement [Line: 75]: 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 276 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. - TimeoutResultAtElement [Line: 77]: 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 276 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. - TimeoutResultAtElement [Line: 76]: 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 276 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. - TimeoutResultAtElement [Line: 75]: 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 276 with TraceHistMax 8,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 98 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 875.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 8.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown