/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/min-max-dec.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-02 10:06:39,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-02 10:06:39,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-02 10:06:39,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-02 10:06:39,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-02 10:06:39,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-02 10:06:39,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-02 10:06:39,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-02 10:06:39,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-02 10:06:39,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-02 10:06:39,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-02 10:06:39,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-02 10:06:39,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-02 10:06:39,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-02 10:06:39,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-02 10:06:39,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-02 10:06:39,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-02 10:06:39,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-02 10:06:39,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-02 10:06:39,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-02 10:06:39,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-02 10:06:39,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-02 10:06:39,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-02 10:06:39,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-02 10:06:39,748 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-02 10:06:39,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-02 10:06:39,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-02 10:06:39,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-02 10:06:39,760 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 10:06:39,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-02 10:06:39,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-02 10:06:39,791 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-02 10:06:39,791 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-02 10:06:39,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-02 10:06:39,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-02 10:06:39,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-02 10:06:39,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-02 10:06:39,792 INFO L138 SettingsManager]: * Use SBE=true [2022-03-02 10:06:39,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-02 10:06:39,792 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-02 10:06:39,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-02 10:06:39,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-02 10:06:39,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-02 10:06:39,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-02 10:06:39,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-02 10:06:39,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-02 10:06:39,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-02 10:06:39,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:06:39,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-02 10:06:39,794 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-02 10:06:39,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-02 10:06:39,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-02 10:06:39,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-02 10:06:39,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-02 10:06:39,797 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-02 10:06:39,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-02 10:06:39,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-02 10:06:39,798 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-02 10:06:39,798 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-02 10:06:40,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-02 10:06:40,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-02 10:06:40,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-02 10:06:40,024 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-02 10:06:40,025 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-02 10:06:40,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl [2022-03-02 10:06:40,026 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-dec.wvr.bpl' [2022-03-02 10:06:40,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-02 10:06:40,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-02 10:06:40,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-02 10:06:40,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-02 10:06:40,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-02 10:06:40,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,078 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-02 10:06:40,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-02 10:06:40,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-02 10:06:40,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-02 10:06:40,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-02 10:06:40,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-02 10:06:40,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-02 10:06:40,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-02 10:06:40,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-02 10:06:40,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/1) ... [2022-03-02 10:06:40,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-02 10:06:40,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:06:40,137 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 10:06:40,141 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 10:06:40,168 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-02 10:06:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-02 10:06:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-02 10:06:40,169 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-02 10:06:40,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-02 10:06:40,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-02 10:06:40,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-02 10:06:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-02 10:06:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-02 10:06:40,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-02 10:06:40,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-02 10:06:40,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-02 10:06:40,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-03-02 10:06:40,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-02 10:06:40,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-02 10:06:40,172 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 10:06:40,214 INFO L234 CfgBuilder]: Building ICFG [2022-03-02 10:06:40,216 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-02 10:06:40,363 INFO L275 CfgBuilder]: Performing block encoding [2022-03-02 10:06:40,381 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-02 10:06:40,382 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-02 10:06:40,383 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:06:40 BoogieIcfgContainer [2022-03-02 10:06:40,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-02 10:06:40,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-02 10:06:40,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-02 10:06:40,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-02 10:06:40,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.03 10:06:40" (1/2) ... [2022-03-02 10:06:40,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8edabbc and model type min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.03 10:06:40, skipping insertion in model container [2022-03-02 10:06:40,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.03 10:06:40" (2/2) ... [2022-03-02 10:06:40,397 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-dec.wvr.bpl [2022-03-02 10:06:40,401 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-02 10:06:40,401 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-02 10:06:40,401 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-02 10:06:40,401 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-02 10:06:40,438 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-02 10:06:40,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-02 10:06:40,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:06:40,476 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 10:06:40,501 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 10:06:40,529 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-02 10:06:40,535 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 10:06:40,535 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-02 10:06:40,934 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 595 transitions and produced 551 states. [2022-03-02 10:06:40,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 10:06:40,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:06:40,944 INFO L85 PathProgramCache]: Analyzing trace with hash 265701933, now seen corresponding path program 1 times [2022-03-02 10:06:40,951 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:06:40,952 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429726315] [2022-03-02 10:06:40,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:06:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:06:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:06:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2532 backedges. 1248 proven. 1276 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-03-02 10:06:42,592 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:06:42,592 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429726315] [2022-03-02 10:06:42,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429726315] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:06:42,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2030651300] [2022-03-02 10:06:42,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:06:42,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:06:42,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:06:42,603 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 10:06:42,609 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 10:06:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:06:42,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-02 10:06:42,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:06:43,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2532 backedges. 1858 proven. 4 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2022-03-02 10:06:43,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:06:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2532 backedges. 1858 proven. 4 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2022-03-02 10:06:43,994 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2030651300] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:06:43,994 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:06:43,994 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 23, 23] total 71 [2022-03-02 10:06:43,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750583978] [2022-03-02 10:06:43,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:06:44,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-03-02 10:06:44,002 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:06:44,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-03-02 10:06:44,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1308, Invalid=3804, Unknown=0, NotChecked=0, Total=5112 [2022-03-02 10:06:44,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:06:44,026 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:06:44,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.9166666666666665) internal successors, (210), 71 states have internal predecessors, (210), 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 10:06:44,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:06:45,904 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1018 transitions and produced 994 states. [2022-03-02 10:06:45,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-02 10:06:45,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-02 10:06:46,123 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 10:06:46,124 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 10:06:46,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:06:46,125 INFO L85 PathProgramCache]: Analyzing trace with hash 812400683, now seen corresponding path program 2 times [2022-03-02 10:06:46,125 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:06:46,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238447051] [2022-03-02 10:06:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:06:46,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:06:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-02 10:06:48,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4946 backedges. 4009 proven. 921 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-02 10:06:48,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-02 10:06:48,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238447051] [2022-03-02 10:06:48,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238447051] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-02 10:06:48,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749495772] [2022-03-02 10:06:48,545 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-02 10:06:48,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-02 10:06:48,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-02 10:06:48,548 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 10:06:48,593 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 10:06:48,694 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-02 10:06:48,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-02 10:06:48,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 45 conjunts are in the unsatisfiable core [2022-03-02 10:06:48,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-02 10:06:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4946 backedges. 2419 proven. 441 refuted. 0 times theorem prover too weak. 2086 trivial. 0 not checked. [2022-03-02 10:06:50,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-02 10:06:51,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4946 backedges. 2419 proven. 441 refuted. 0 times theorem prover too weak. 2086 trivial. 0 not checked. [2022-03-02 10:06:51,428 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749495772] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-02 10:06:51,428 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-02 10:06:51,428 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 45, 45] total 126 [2022-03-02 10:06:51,428 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069051040] [2022-03-02 10:06:51,429 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-02 10:06:51,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-03-02 10:06:51,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-02 10:06:51,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-03-02 10:06:51,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2455, Invalid=13547, Unknown=0, NotChecked=0, Total=16002 [2022-03-02 10:06:51,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:06:51,438 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-02 10:06:51,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 2.322834645669291) internal successors, (295), 126 states have internal predecessors, (295), 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 10:06:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-03-02 10:06:51,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-02 10:07:14,466 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 28625 transitions and produced 23243 states. [2022-03-02 10:07:14,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-03-02 10:07:14,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 385 states. [2022-03-02 10:07:14,503 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 10:07:14,696 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 10:07:14,696 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-02 10:07:14,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-02 10:07:14,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1018590645, now seen corresponding path program 3 times [2022-03-02 10:07:14,698 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-02 10:07:14,698 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696059230] [2022-03-02 10:07:14,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-02 10:07:14,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-02 10:07:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-02 10:18:03,522 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-03-02 10:18:03,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-02 10:18:03,522 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 4482 with TraceHistMax 1740,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1322 known predicates. [2022-03-02 10:18:03,524 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-03-02 10:18:03,524 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-03-02 10:18:03,524 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-03-02 10:18:03,524 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-03-02 10:18:03,530 INFO L732 BasicCegarLoop]: Path program histogram: [3] [2022-03-02 10:18:03,532 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-02 10:18:03,532 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-02 10:18:03,534 INFO L202 PluginConnector]: Adding new model min-max-dec.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.03 10:18:03 BasicIcfg [2022-03-02 10:18:03,534 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-02 10:18:03,535 INFO L158 Benchmark]: Toolchain (without parser) took 683478.41ms. Allocated memory was 172.0MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 130.4MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-03-02 10:18:03,535 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 172.0MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-02 10:18:03,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.94ms. Allocated memory is still 172.0MB. Free memory was 130.3MB in the beginning and 128.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:18:03,536 INFO L158 Benchmark]: Boogie Preprocessor took 23.66ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 993.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-02 10:18:03,537 INFO L158 Benchmark]: RCFGBuilder took 279.27ms. Allocated memory is still 172.0MB. Free memory was 127.7MB in the beginning and 117.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-02 10:18:03,538 INFO L158 Benchmark]: TraceAbstraction took 683149.53ms. Allocated memory was 172.0MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 117.3MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-03-02 10:18:03,540 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 0.12ms. Allocated memory is still 172.0MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.94ms. Allocated memory is still 172.0MB. Free memory was 130.3MB in the beginning and 128.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.66ms. Allocated memory is still 172.0MB. Free memory was 128.8MB in the beginning and 127.8MB in the end (delta: 993.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 279.27ms. Allocated memory is still 172.0MB. Free memory was 127.7MB in the beginning and 117.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 683149.53ms. Allocated memory was 172.0MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 117.3MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 1.9GB. 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: 77]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 4482 with TraceHistMax 1740,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1322 known predicates. - TimeoutResultAtElement [Line: 68]: 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 4482 with TraceHistMax 1740,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1322 known predicates. - TimeoutResultAtElement [Line: 68]: 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 4482 with TraceHistMax 1740,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1322 known predicates. - TimeoutResultAtElement [Line: 69]: 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 4482 with TraceHistMax 1740,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1322 known predicates. - TimeoutResultAtElement [Line: 70]: 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 4482 with TraceHistMax 1740,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateComparison was comparing new predicate (quantifier-free) to 1322 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances [2022-03-02 10:18:03,554 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 CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 683.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 25.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 471, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 692 NumberOfCodeBlocks, 692 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1032 ConstructedInterpolants, 0 QuantifiedInterpolants, 4368 SizeOfPredicates, 4 NumberOfNonLiveVariables, 896 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 19347/22434 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 [2022-03-02 10:18:03,555 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown