/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/popl20-more/sorted.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 06:35:02,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 06:35:02,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 06:35:02,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-04 06:35:02,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 06:35:02,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 06:35:02,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 06:35:02,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 06:35:02,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 06:35:02,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 06:35:02,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 06:35:02,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 06:35:02,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 06:35:02,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 06:35:02,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 06:35:02,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 06:35:02,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-04 06:35:02,085 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 06:35:02,102 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 06:35:02,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 06:35:02,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 06:35:02,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 06:35:02,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 06:35:02,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 06:35:02,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 06:35:02,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 06:35:02,105 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 06:35:02,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 06:35:02,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 06:35:02,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 06:35:02,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 06:35:02,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 06:35:02,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 06:35:02,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 06:35:02,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 06:35:02,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 06:35:02,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:35:02,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 06:35:02,108 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 06:35:02,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 06:35:02,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 06:35:02,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 06:35:02,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 06:35:02,108 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 06:35:02,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 06:35:02,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 06:35:02,109 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-03-04 06:35:02,109 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-03-04 06:35:02,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 06:35:02,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 06:35:02,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 06:35:02,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 06:35:02,385 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 06:35:02,386 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 06:35:02,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl [2022-03-04 06:35:02,387 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sorted.wvr.bpl' [2022-03-04 06:35:02,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 06:35:02,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 06:35:02,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 06:35:02,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 06:35:02,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 06:35:02,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,435 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 06:35:02,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 06:35:02,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 06:35:02,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 06:35:02,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 06:35:02,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 06:35:02,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 06:35:02,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 06:35:02,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 06:35:02,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/1) ... [2022-03-04 06:35:02,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 06:35:02,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:02,496 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 06:35:02,498 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 06:35:02,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-04 06:35:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-04 06:35:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-04 06:35:02,524 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-04 06:35:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-04 06:35:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-04 06:35:02,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 06:35:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 06:35:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 06:35:02,525 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-04 06:35:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-04 06:35:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-04 06:35:02,526 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 06:35:02,564 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 06:35:02,568 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 06:35:02,715 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 06:35:02,731 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 06:35:02,731 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 06:35:02,733 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:35:02 BoogieIcfgContainer [2022-03-04 06:35:02,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 06:35:02,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 06:35:02,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 06:35:02,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 06:35:02,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 06:35:02" (1/2) ... [2022-03-04 06:35:02,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1287f95b and model type sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:35:02, skipping insertion in model container [2022-03-04 06:35:02,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 06:35:02" (2/2) ... [2022-03-04 06:35:02,742 INFO L111 eAbstractionObserver]: Analyzing ICFG sorted.wvr.bpl [2022-03-04 06:35:02,746 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 06:35:02,746 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 06:35:02,746 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 06:35:02,746 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 06:35:02,800 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-04 06:35:02,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 06:35:02,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:02,883 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 06:35:02,887 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 06:35:02,915 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 06:35:02,923 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 06:35:02,923 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-04 06:35:03,011 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 593 transitions and produced 265 states. [2022-03-04 06:35:03,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:03,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash -780755900, now seen corresponding path program 1 times [2022-03-04 06:35:03,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:03,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963380408] [2022-03-04 06:35:03,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:03,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:03,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:35:03,222 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:03,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963380408] [2022-03-04 06:35:03,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963380408] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:03,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123333369] [2022-03-04 06:35:03,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:03,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:03,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:03,228 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 06:35:03,229 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 06:35:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:03,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-04 06:35:03,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:35:03,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-04 06:35:03,739 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123333369] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:03,739 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:03,739 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-03-04 06:35:03,741 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519262595] [2022-03-04 06:35:03,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:03,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-04 06:35:03,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:03,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-04 06:35:03,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2022-03-04 06:35:03,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:03,764 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:03,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.45) internal successors, (69), 20 states have internal predecessors, (69), 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) [2022-03-04 06:35:03,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:04,097 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 196 transitions and produced 144 states. [2022-03-04 06:35:04,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:04,119 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 06:35:04,300 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 06:35:04,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:04,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:04,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1626785502, now seen corresponding path program 2 times [2022-03-04 06:35:04,302 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:04,302 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232323038] [2022-03-04 06:35:04,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:04,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:04,405 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:04,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232323038] [2022-03-04 06:35:04,405 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232323038] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:04,405 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721370942] [2022-03-04 06:35:04,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-04 06:35:04,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:04,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:04,407 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) [2022-03-04 06:35:04,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-04 06:35:04,437 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-04 06:35:04,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:04,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-04 06:35:04,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:04,592 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:04,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:04,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721370942] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:04,753 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:04,754 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2022-03-04 06:35:04,754 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530789482] [2022-03-04 06:35:04,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:04,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-03-04 06:35:04,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-03-04 06:35:04,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2022-03-04 06:35:04,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:04,758 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:04,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.0) internal successors, (72), 24 states have internal predecessors, (72), 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) [2022-03-04 06:35:04,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:04,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:05,066 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 207 transitions and produced 155 states. [2022-03-04 06:35:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:35:05,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:05,278 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 [2022-03-04 06:35:05,278 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:05,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:05,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1382553216, now seen corresponding path program 3 times [2022-03-04 06:35:05,279 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:05,279 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642623] [2022-03-04 06:35:05,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:05,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:06,429 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:06,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642623] [2022-03-04 06:35:06,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642623] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:06,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573981308] [2022-03-04 06:35:06,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-04 06:35:06,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:06,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:06,431 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) [2022-03-04 06:35:06,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-04 06:35:06,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-03-04 06:35:06,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:06,463 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 39 conjunts are in the unsatisfiable core [2022-03-04 06:35:06,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:08,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:08,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:08,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 90 [2022-03-04 06:35:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:08,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:10,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:10,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,662 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,663 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,666 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,667 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:10,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,672 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:35:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:35:10,728 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:35:10,729 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 13 disjoint index pairs (out of 55 index pairs), introduced 8 new quantified variables, introduced 24 case distinctions, treesize of input 168 treesize of output 238 [2022-03-04 06:35:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:14,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573981308] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:14,884 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:14,884 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 51 [2022-03-04 06:35:14,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190457729] [2022-03-04 06:35:14,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:14,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-03-04 06:35:14,885 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:14,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-03-04 06:35:14,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=357, Invalid=2193, Unknown=0, NotChecked=0, Total=2550 [2022-03-04 06:35:14,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:14,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:14,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.803921568627451) internal successors, (92), 51 states have internal predecessors, (92), 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) [2022-03-04 06:35:14,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:35:14,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:33,307 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 203 transitions and produced 181 states. [2022-03-04 06:35:33,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:35:33,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-04 06:35:33,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:33,509 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 [2022-03-04 06:35:33,509 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:33,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:33,510 INFO L85 PathProgramCache]: Analyzing trace with hash -893231052, now seen corresponding path program 4 times [2022-03-04 06:35:33,510 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:33,510 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793624917] [2022-03-04 06:35:33,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:33,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:33,662 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 49 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:33,662 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:33,662 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793624917] [2022-03-04 06:35:33,663 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793624917] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:33,663 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52845924] [2022-03-04 06:35:33,663 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-04 06:35:33,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:33,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:33,664 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:35:33,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-04 06:35:33,698 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-04 06:35:33,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:33,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 18 conjunts are in the unsatisfiable core [2022-03-04 06:35:33,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:34,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 64 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:34,396 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52845924] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:34,396 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:34,396 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 48 [2022-03-04 06:35:34,396 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988173587] [2022-03-04 06:35:34,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:34,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-03-04 06:35:34,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:34,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-03-04 06:35:34,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=1804, Unknown=0, NotChecked=0, Total=2256 [2022-03-04 06:35:34,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:34,398 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:34,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.5625) internal successors, (123), 48 states have internal predecessors, (123), 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) [2022-03-04 06:35:34,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:34,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:35:34,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-04 06:35:34,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:35,750 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 275 transitions and produced 260 states. [2022-03-04 06:35:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:35:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-03-04 06:35:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-04 06:35:35,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:35,952 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:35,952 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:35,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:35,953 INFO L85 PathProgramCache]: Analyzing trace with hash -178212572, now seen corresponding path program 5 times [2022-03-04 06:35:35,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:35,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354535370] [2022-03-04 06:35:35,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:35,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:36,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:36,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354535370] [2022-03-04 06:35:36,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354535370] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:36,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443858888] [2022-03-04 06:35:36,285 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-04 06:35:36,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:36,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:36,300 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:35:36,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-04 06:35:36,353 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-03-04 06:35:36,353 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:36,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 25 conjunts are in the unsatisfiable core [2022-03-04 06:35:36,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:35:36,893 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 90 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:36,893 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:35:37,611 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:37,611 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443858888] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-04 06:35:37,611 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-04 06:35:37,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 71 [2022-03-04 06:35:37,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69895778] [2022-03-04 06:35:37,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-04 06:35:37,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2022-03-04 06:35:37,612 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 06:35:37,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2022-03-04 06:35:37,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=930, Invalid=4040, Unknown=0, NotChecked=0, Total=4970 [2022-03-04 06:35:37,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:37,614 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 06:35:37,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.352112676056338) internal successors, (167), 71 states have internal predecessors, (167), 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) [2022-03-04 06:35:37,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:37,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:35:37,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-03-04 06:35:37,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-03-04 06:35:37,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 06:35:44,896 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2778 transitions and produced 1115 states. [2022-03-04 06:35:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-04 06:35:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-03-04 06:35:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-03-04 06:35:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2022-03-04 06:35:44,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-04 06:35:44,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-04 06:35:45,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:45,097 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-04 06:35:45,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 06:35:45,098 INFO L85 PathProgramCache]: Analyzing trace with hash -217299044, now seen corresponding path program 6 times [2022-03-04 06:35:45,098 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 06:35:45,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901178553] [2022-03-04 06:35:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 06:35:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 06:35:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 06:35:49,582 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 46 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:35:49,582 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 06:35:49,582 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901178553] [2022-03-04 06:35:49,582 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901178553] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-04 06:35:49,582 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962101903] [2022-03-04 06:35:49,583 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-04 06:35:49,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:35:49,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 06:35:49,584 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-04 06:35:49,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-04 06:35:49,649 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2022-03-04 06:35:49,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-04 06:35:49,651 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 91 conjunts are in the unsatisfiable core [2022-03-04 06:35:49,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-04 06:36:05,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,416 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:05,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:05,510 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-04 06:36:05,511 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 143 disjoint index pairs (out of 171 index pairs), introduced 18 new quantified variables, introduced 11 case distinctions, treesize of input 462 treesize of output 332 [2022-03-04 06:36:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 06:36:11,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-04 06:36:58,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:58,636 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,643 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,648 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,649 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,650 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,651 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,653 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,654 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,659 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,660 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,661 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,669 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,671 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,674 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,678 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,679 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,680 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,681 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,685 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,688 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,689 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,690 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:58,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,692 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,696 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,697 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,698 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:36:58,700 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,701 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,702 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,703 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-03-04 06:36:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-04 06:37:09,016 WARN L228 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 1120 DAG size of output: 900 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-03-04 06:37:09,021 INFO L353 Elim1Store]: treesize reduction 992, result has 67.4 percent of original size [2022-03-04 06:37:09,022 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 61 disjoint index pairs (out of 435 index pairs), introduced 26 new quantified variables, introduced 352 case distinctions, treesize of input 1336 treesize of output 2532 Received shutdown request... [2022-03-04 06:48:59,744 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-03-04 06:48:59,745 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-04 06:48:59,746 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 06:48:59,746 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-04 06:48:59,749 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 06:48:59,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-04 06:48:59,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-04 06:48:59,947 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2 for 15ms.. [2022-03-04 06:48:59,948 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-04 06:48:59,948 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-04 06:48:59,948 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-04 06:48:59,953 INFO L732 BasicCegarLoop]: Path program histogram: [6] [2022-03-04 06:48:59,954 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-04 06:48:59,954 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-04 06:48:59,955 INFO L202 PluginConnector]: Adding new model sorted.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.03 06:48:59 BasicIcfg [2022-03-04 06:48:59,955 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-04 06:48:59,956 INFO L158 Benchmark]: Toolchain (without parser) took 837541.15ms. Allocated memory was 198.2MB in the beginning and 475.0MB in the end (delta: 276.8MB). Free memory was 156.7MB in the beginning and 244.3MB in the end (delta: -87.6MB). Peak memory consumption was 305.5MB. Max. memory is 8.0GB. [2022-03-04 06:48:59,956 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 198.2MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-04 06:48:59,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.99ms. Allocated memory is still 198.2MB. Free memory was 156.6MB in the beginning and 155.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-04 06:48:59,956 INFO L158 Benchmark]: Boogie Preprocessor took 21.00ms. Allocated memory is still 198.2MB. Free memory was 155.0MB in the beginning and 154.1MB in the end (delta: 921.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-04 06:48:59,957 INFO L158 Benchmark]: RCFGBuilder took 272.75ms. Allocated memory is still 198.2MB. Free memory was 153.9MB in the beginning and 144.2MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-04 06:48:59,957 INFO L158 Benchmark]: TraceAbstraction took 837221.47ms. Allocated memory was 198.2MB in the beginning and 475.0MB in the end (delta: 276.8MB). Free memory was 143.7MB in the beginning and 244.3MB in the end (delta: -100.6MB). Peak memory consumption was 291.9MB. Max. memory is 8.0GB. [2022-03-04 06:48:59,958 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 0.11ms. Allocated memory is still 198.2MB. Free memory is still 157.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.99ms. Allocated memory is still 198.2MB. Free memory was 156.6MB in the beginning and 155.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.00ms. Allocated memory is still 198.2MB. Free memory was 155.0MB in the beginning and 154.1MB in the end (delta: 921.6kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 272.75ms. Allocated memory is still 198.2MB. Free memory was 153.9MB in the beginning and 144.2MB in the end (delta: 9.7MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 837221.47ms. Allocated memory was 198.2MB in the beginning and 475.0MB in the end (delta: 276.8MB). Free memory was 143.7MB in the beginning and 244.3MB in the end (delta: -100.6MB). Peak memory consumption was 291.9MB. 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: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2 for 15ms.. - TimeoutResultAtElement [Line: 62]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2 for 15ms.. - TimeoutResultAtElement [Line: 62]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2 for 15ms.. - TimeoutResultAtElement [Line: 63]: 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 74 with TraceHistMax 13,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 2 for 15ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 837.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 27.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 410, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 9784 SizeOfPredicates, 40 NumberOfNonLiveVariables, 458 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 15 InterpolantComputations, 0 PerfectInterpolantSequences, 503/1011 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