/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/parallel/misc-1.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 15:48:03,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 15:48:03,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 15:48:03,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-19 15:48:03,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 15:48:03,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 15:48:03,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 15:48:03,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 15:48:03,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 15:48:03,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 15:48:03,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 15:48:03,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 15:48:03,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 15:48:03,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 15:48:03,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 15:48:03,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 15:48:03,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 15:48:03,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 15:48:03,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 15:48:03,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 15:48:03,836 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 [2022-02-19 15:48:03,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 15:48:03,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 15:48:03,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 15:48:03,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 15:48:03,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 15:48:03,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 15:48:03,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 15:48:03,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 15:48:03,869 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 15:48:03,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 15:48:03,870 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 15:48:03,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 15:48:03,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 15:48:03,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 15:48:03,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 15:48:03,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 15:48:03,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 15:48:03,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 15:48:03,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:48:03,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 15:48:03,872 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 15:48:03,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 15:48:03,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 15:48:04,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 15:48:04,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 15:48:04,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 15:48:04,075 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-19 15:48:04,076 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-19 15:48:04,077 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl [2022-02-19 15:48:04,077 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/misc-1.wvr.bpl' [2022-02-19 15:48:04,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 15:48:04,096 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-19 15:48:04,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 15:48:04,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 15:48:04,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 15:48:04,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,118 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-19 15:48:04,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 15:48:04,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 15:48:04,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 15:48:04,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 15:48:04,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 15:48:04,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 15:48:04,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 15:48:04,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 15:48:04,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/1) ... [2022-02-19 15:48:04,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 15:48:04,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:48:04,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-19 15:48:04,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-19 15:48:04,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-19 15:48:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-19 15:48:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-19 15:48:04,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-19 15:48:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-19 15:48:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-19 15:48:04,202 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-19 15:48:04,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 15:48:04,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 15:48:04,203 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 15:48:04,242 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 15:48:04,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 15:48:04,342 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 15:48:04,348 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 15:48:04,348 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 15:48:04,349 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:48:04 BoogieIcfgContainer [2022-02-19 15:48:04,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 15:48:04,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 15:48:04,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 15:48:04,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 15:48:04,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 19.02 03:48:04" (1/2) ... [2022-02-19 15:48:04,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba29849 and model type misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 03:48:04, skipping insertion in model container [2022-02-19 15:48:04,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 03:48:04" (2/2) ... [2022-02-19 15:48:04,375 INFO L111 eAbstractionObserver]: Analyzing ICFG misc-1.wvr.bpl [2022-02-19 15:48:04,378 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 15:48:04,379 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 15:48:04,379 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-19 15:48:04,379 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 15:48:04,418 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-19 15:48:04,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 15:48:04,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:48:04,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-19 15:48:04,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-19 15:48:04,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 15:48:04,480 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 [2022-02-19 15:48:04,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 15:48:04,704 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 7343 transitions and produced 3503 states. [2022-02-19 15:48:04,706 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:48:04,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:48:04,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1184018407, now seen corresponding path program 1 times [2022-02-19 15:48:04,716 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:48:04,717 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862266154] [2022-02-19 15:48:04,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:48:04,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:48:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:48:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 344 proven. 686 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:48:13,398 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:48:13,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862266154] [2022-02-19 15:48:13,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862266154] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:48:13,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427341314] [2022-02-19 15:48:13,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:48:13,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:48:13,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:48:13,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:48:13,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-19 15:48:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:48:13,475 WARN L261 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 165 conjunts are in the unsatisfiable core [2022-02-19 15:48:13,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:48:25,628 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 170 treesize of output 102 [2022-02-19 15:48:25,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:48:25,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:49:10,840 WARN L228 SmtUtils]: Spent 27.06s on a formula simplification. DAG size of input: 2329 DAG size of output: 1241 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-02-19 15:49:10,844 INFO L353 Elim1Store]: treesize reduction 3744, result has 43.3 percent of original size [2022-02-19 15:49:10,845 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 173 treesize of output 2898 [2022-02-19 15:54:26,209 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,210 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,211 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,215 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,218 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,219 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,222 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,229 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,230 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,231 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,240 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,243 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,248 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,249 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,253 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,254 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,260 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,261 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,262 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,263 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,264 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,267 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,268 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,270 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,271 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,272 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,273 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,276 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,279 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,280 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,281 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,282 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,283 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,284 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,285 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,289 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,293 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,294 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,297 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,298 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,299 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,300 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,301 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,303 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,306 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,308 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,311 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,312 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,313 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,314 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-19 15:54:26,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-19 15:54:26,316 INFO L244 Elim1Store]: Index analysis took 107 ms [2022-02-19 15:54:26,318 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 136 disjoint index pairs (out of 561 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 7 [2022-02-19 15:54:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:54:26,536 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427341314] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:54:26,536 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:54:26,536 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [82, 78, 78] total 232 [2022-02-19 15:54:26,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612523903] [2022-02-19 15:54:26,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:54:26,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 233 states [2022-02-19 15:54:26,543 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:54:26,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 233 interpolants. [2022-02-19 15:54:26,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2514, Invalid=51542, Unknown=0, NotChecked=0, Total=54056 [2022-02-19 15:54:26,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:54:26,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:54:26,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 233 states, 233 states have (on average 1.96137339055794) internal successors, (457), 232 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:54:26,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:05,044 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 625 transitions and produced 467 states. [2022-02-19 15:55:05,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-02-19 15:55:05,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-19 15:55:05,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-19 15:55:05,251 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:55:05,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:55:05,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1168004437, now seen corresponding path program 1 times [2022-02-19 15:55:05,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:55:05,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185808578] [2022-02-19 15:55:05,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:05,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:55:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 862 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:05,656 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:55:05,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185808578] [2022-02-19 15:55:05,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185808578] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:55:05,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914796503] [2022-02-19 15:55:05,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:05,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:05,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:55:05,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:55:05,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-19 15:55:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:05,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-19 15:55:05,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:55:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 925 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:05,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:55:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1079 backedges. 925 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:06,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914796503] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:55:06,446 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:55:06,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 55 [2022-02-19 15:55:06,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246365893] [2022-02-19 15:55:06,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:55:06,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-19 15:55:06,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:55:06,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-19 15:55:06,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=958, Invalid=2122, Unknown=0, NotChecked=0, Total=3080 [2022-02-19 15:55:06,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:06,451 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:55:06,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 4.25) internal successors, (238), 55 states have internal predecessors, (238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:55:06,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-02-19 15:55:06,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:08,642 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 911 transitions and produced 811 states. [2022-02-19 15:55:08,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:08,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-02-19 15:55:08,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-19 15:55:08,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:08,845 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:55:08,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:55:08,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1963057170, now seen corresponding path program 1 times [2022-02-19 15:55:08,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:55:08,846 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370603650] [2022-02-19 15:55:08,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:08,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:55:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6205 backedges. 5170 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:10,567 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:55:10,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370603650] [2022-02-19 15:55:10,568 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370603650] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:55:10,568 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181975471] [2022-02-19 15:55:10,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:10,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:10,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:55:10,569 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:55:10,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-19 15:55:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:10,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 50 conjunts are in the unsatisfiable core [2022-02-19 15:55:10,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:55:11,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6205 backedges. 3640 proven. 1035 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2022-02-19 15:55:11,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:55:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 6205 backedges. 3640 proven. 1035 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2022-02-19 15:55:11,569 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181975471] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:55:11,569 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:55:11,569 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 49, 49] total 78 [2022-02-19 15:55:11,569 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466347945] [2022-02-19 15:55:11,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:55:11,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2022-02-19 15:55:11,570 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:55:11,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2022-02-19 15:55:11,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1781, Invalid=4381, Unknown=0, NotChecked=0, Total=6162 [2022-02-19 15:55:11,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:11,571 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:55:11,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.151898734177215) internal successors, (328), 78 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:55:11,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:11,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2022-02-19 15:55:11,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:13,210 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 32134 transitions and produced 15175 states. [2022-02-19 15:55:13,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:13,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-19 15:55:13,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:13,428 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:55:13,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:55:13,428 INFO L85 PathProgramCache]: Analyzing trace with hash 124786765, now seen corresponding path program 2 times [2022-02-19 15:55:13,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:55:13,428 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867557361] [2022-02-19 15:55:13,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:13,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:55:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:15,480 INFO L134 CoverageAnalysis]: Checked inductivity of 6795 backedges. 5170 proven. 1625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:15,480 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:55:15,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867557361] [2022-02-19 15:55:15,489 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867557361] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:55:15,489 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680465106] [2022-02-19 15:55:15,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 15:55:15,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:15,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:55:15,492 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) [2022-02-19 15:55:15,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-19 15:55:15,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 15:55:15,566 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:55:15,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 62 conjunts are in the unsatisfiable core [2022-02-19 15:55:15,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:55:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6795 backedges. 4228 proven. 1625 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-02-19 15:55:16,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:55:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 6795 backedges. 4228 proven. 1625 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2022-02-19 15:55:16,622 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680465106] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:55:16,622 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:55:16,622 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 61, 61] total 84 [2022-02-19 15:55:16,622 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553831288] [2022-02-19 15:55:16,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:55:16,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2022-02-19 15:55:16,623 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:55:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2022-02-19 15:55:16,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1958, Invalid=5182, Unknown=0, NotChecked=0, Total=7140 [2022-02-19 15:55:16,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:16,624 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:55:16,624 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 4.152941176470589) internal successors, (353), 84 states have internal predecessors, (353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:55:16,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:16,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:16,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:16,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:18,048 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1076 transitions and produced 957 states. [2022-02-19 15:55:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:18,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:18,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:18,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-19 15:55:18,249 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 [2022-02-19 15:55:18,249 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:55:18,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:55:18,250 INFO L85 PathProgramCache]: Analyzing trace with hash 2008063535, now seen corresponding path program 3 times [2022-02-19 15:55:18,250 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:55:18,250 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560400584] [2022-02-19 15:55:18,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:18,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:55:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 7551 backedges. 5170 proven. 2381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:20,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:55:20,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560400584] [2022-02-19 15:55:20,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560400584] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:55:20,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637455620] [2022-02-19 15:55:20,447 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 15:55:20,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:20,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:55:20,448 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) [2022-02-19 15:55:20,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-19 15:55:20,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 50 check-sat command(s) [2022-02-19 15:55:20,683 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:55:20,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 90 conjunts are in the unsatisfiable core [2022-02-19 15:55:20,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:55:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 7551 backedges. 5170 proven. 2381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:21,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:55:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 7551 backedges. 5170 proven. 2381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:22,877 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637455620] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:55:22,877 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:55:22,877 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 89, 89] total 122 [2022-02-19 15:55:22,877 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787774060] [2022-02-19 15:55:22,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:55:22,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2022-02-19 15:55:22,878 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:55:22,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2022-02-19 15:55:22,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3899, Invalid=11107, Unknown=0, NotChecked=0, Total=15006 [2022-02-19 15:55:22,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:22,880 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:55:22,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 4.2439024390243905) internal successors, (522), 122 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:55:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:22,881 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:26,330 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1384 transitions and produced 1177 states. [2022-02-19 15:55:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:26,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:55:26,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-19 15:55:26,531 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 [2022-02-19 15:55:26,531 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:55:26,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:55:26,532 INFO L85 PathProgramCache]: Analyzing trace with hash -300198463, now seen corresponding path program 4 times [2022-02-19 15:55:26,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:55:26,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686931997] [2022-02-19 15:55:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:26,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:55:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 11555 backedges. 5996 proven. 5559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:29,697 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:55:29,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686931997] [2022-02-19 15:55:29,697 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686931997] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:55:29,697 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662528491] [2022-02-19 15:55:29,697 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 15:55:29,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:55:29,698 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) [2022-02-19 15:55:29,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-19 15:55:29,792 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 15:55:29,793 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:55:29,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 112 conjunts are in the unsatisfiable core [2022-02-19 15:55:29,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:55:30,504 INFO L134 CoverageAnalysis]: Checked inductivity of 11555 backedges. 6161 proven. 5394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:30,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:55:31,516 INFO L134 CoverageAnalysis]: Checked inductivity of 11555 backedges. 6161 proven. 5394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:31,516 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662528491] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:55:31,516 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:55:31,516 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [112, 111, 111] total 120 [2022-02-19 15:55:31,516 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890599522] [2022-02-19 15:55:31,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:55:31,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2022-02-19 15:55:31,517 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:55:31,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2022-02-19 15:55:31,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3670, Invalid=10850, Unknown=0, NotChecked=0, Total=14520 [2022-02-19 15:55:31,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:31,519 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:55:31,519 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 121 states have (on average 4.24793388429752) internal successors, (514), 120 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:55:31,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:31,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:31,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:31,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:31,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:55:31,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:37,856 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1607 transitions and produced 1354 states. [2022-02-19 15:55:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:37,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:55:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-02-19 15:55:37,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-19 15:55:38,057 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 [2022-02-19 15:55:38,058 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:55:38,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:55:38,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1994944150, now seen corresponding path program 2 times [2022-02-19 15:55:38,058 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:55:38,058 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829441018] [2022-02-19 15:55:38,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:55:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:42,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17045 backedges. 10604 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:42,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:55:42,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829441018] [2022-02-19 15:55:42,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829441018] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:55:42,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057489311] [2022-02-19 15:55:42,797 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 15:55:42,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:42,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:55:42,799 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:55:42,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-19 15:55:42,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 15:55:42,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:55:42,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 118 conjunts are in the unsatisfiable core [2022-02-19 15:55:42,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:55:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 17045 backedges. 10106 proven. 6441 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-19 15:55:43,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:55:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 17045 backedges. 10106 proven. 6441 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-19 15:55:44,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2057489311] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:55:44,570 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:55:44,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [134, 117, 117] total 134 [2022-02-19 15:55:44,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086626085] [2022-02-19 15:55:44,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:55:44,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2022-02-19 15:55:44,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:55:44,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2022-02-19 15:55:44,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4679, Invalid=13411, Unknown=0, NotChecked=0, Total=18090 [2022-02-19 15:55:44,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:44,574 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:55:44,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.088888888888889) internal successors, (552), 134 states have internal predecessors, (552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:55:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:55:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-02-19 15:55:44,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:49,690 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 45010 transitions and produced 21686 states. [2022-02-19 15:55:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:49,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:55:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:55:49,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:55:49,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-19 15:55:49,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-19 15:55:49,891 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:55:49,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:55:49,892 INFO L85 PathProgramCache]: Analyzing trace with hash 527676469, now seen corresponding path program 5 times [2022-02-19 15:55:49,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:55:49,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189880482] [2022-02-19 15:55:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:55:49,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:55:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:55:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18417 backedges. 10604 proven. 7813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:54,864 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:55:54,864 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189880482] [2022-02-19 15:55:54,864 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189880482] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:55:54,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436105781] [2022-02-19 15:55:54,865 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 15:55:54,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:55:54,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:55:54,870 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:55:54,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-19 15:55:55,091 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 72 check-sat command(s) [2022-02-19 15:55:55,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:55:55,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 140 conjunts are in the unsatisfiable core [2022-02-19 15:55:55,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:55:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 18417 backedges. 10604 proven. 7813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:55,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:55:57,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18417 backedges. 10604 proven. 7813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:55:57,894 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436105781] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:55:57,894 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:55:57,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [140, 139, 139] total 160 [2022-02-19 15:55:57,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420377449] [2022-02-19 15:55:57,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:55:57,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2022-02-19 15:55:57,895 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:55:57,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2022-02-19 15:55:57,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6580, Invalid=19180, Unknown=0, NotChecked=0, Total=25760 [2022-02-19 15:55:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:55:57,898 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:55:57,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 4.198757763975156) internal successors, (676), 160 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:55:57,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:56:04,627 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1912 transitions and produced 1600 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:56:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:56:04,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-19 15:56:04,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:56:04,829 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:56:04,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:56:04,829 INFO L85 PathProgramCache]: Analyzing trace with hash -964834331, now seen corresponding path program 6 times [2022-02-19 15:56:04,829 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:56:04,829 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731065887] [2022-02-19 15:56:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:56:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:56:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:56:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 22929 backedges. 11782 proven. 11147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:56:11,011 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:56:11,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731065887] [2022-02-19 15:56:11,011 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731065887] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:56:11,011 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056296505] [2022-02-19 15:56:11,011 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-19 15:56:11,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:56:11,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:56:11,012 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:56:11,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-19 15:56:11,326 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 79 check-sat command(s) [2022-02-19 15:56:11,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:56:11,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 964 conjuncts, 156 conjunts are in the unsatisfiable core [2022-02-19 15:56:11,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:56:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 22929 backedges. 12013 proven. 10916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:56:12,380 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:56:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 22929 backedges. 12013 proven. 10916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:56:13,852 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056296505] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:56:13,852 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:56:13,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 155, 155] total 164 [2022-02-19 15:56:13,852 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246177129] [2022-02-19 15:56:13,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:56:13,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 165 states [2022-02-19 15:56:13,853 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:56:13,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2022-02-19 15:56:13,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6816, Invalid=20244, Unknown=0, NotChecked=0, Total=27060 [2022-02-19 15:56:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:56:13,856 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:56:13,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 165 states, 165 states have (on average 4.181818181818182) internal successors, (690), 164 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:56:13,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:56:25,117 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2135 transitions and produced 1777 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:56:25,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:56:25,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-02-19 15:56:25,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-02-19 15:56:25,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-19 15:56:25,318 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:56:25,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:56:25,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1699080490, now seen corresponding path program 3 times [2022-02-19 15:56:25,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:56:25,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473522808] [2022-02-19 15:56:25,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:56:25,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:56:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:56:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 30377 backedges. 17974 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:56:33,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:56:33,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473522808] [2022-02-19 15:56:33,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473522808] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:56:33,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405155458] [2022-02-19 15:56:33,266 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 15:56:33,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:56:33,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:56:33,267 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:56:33,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-19 15:56:34,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 94 check-sat command(s) [2022-02-19 15:56:34,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:56:34,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 1094 conjuncts, 178 conjunts are in the unsatisfiable core [2022-02-19 15:56:34,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:56:35,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30377 backedges. 17974 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:56:35,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:56:38,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30377 backedges. 17974 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:56:38,509 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405155458] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:56:38,509 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:56:38,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [178, 177, 177] total 210 [2022-02-19 15:56:38,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624598460] [2022-02-19 15:56:38,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:56:38,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 211 states [2022-02-19 15:56:38,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:56:38,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 211 interpolants. [2022-02-19 15:56:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11291, Invalid=33019, Unknown=0, NotChecked=0, Total=44310 [2022-02-19 15:56:38,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:56:38,513 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:56:38,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 211 states, 211 states have (on average 4.123222748815166) internal successors, (870), 210 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-02-19 15:56:38,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:56:51,675 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 62176 transitions and produced 29595 states. [2022-02-19 15:56:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:56:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:56:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:56:51,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:56:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:56:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:56:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:56:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:56:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:56:51,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:56:51,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-19 15:56:51,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-19 15:56:51,891 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:56:51,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:56:51,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1486006793, now seen corresponding path program 7 times [2022-02-19 15:56:51,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:56:51,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199376964] [2022-02-19 15:56:51,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:56:51,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:56:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:57:01,889 INFO L134 CoverageAnalysis]: Checked inductivity of 38175 backedges. 19504 proven. 18671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:57:01,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:57:01,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199376964] [2022-02-19 15:57:01,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199376964] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:57:01,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069859453] [2022-02-19 15:57:01,890 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-19 15:57:01,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:57:01,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:57:01,891 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:57:01,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-19 15:57:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:57:02,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 200 conjunts are in the unsatisfiable core [2022-02-19 15:57:02,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:57:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 38175 backedges. 19801 proven. 18374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:57:03,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:57:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 38175 backedges. 19801 proven. 18374 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:57:05,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069859453] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:57:05,175 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:57:05,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [200, 199, 199] total 208 [2022-02-19 15:57:05,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659866479] [2022-02-19 15:57:05,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:57:05,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2022-02-19 15:57:05,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:57:05,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2022-02-19 15:57:05,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10930, Invalid=32542, Unknown=0, NotChecked=0, Total=43472 [2022-02-19 15:57:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:57:05,179 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:57:05,180 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 4.143540669856459) internal successors, (866), 208 states have internal predecessors, (866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:57:05,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:57:23,308 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2663 transitions and produced 2200 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:57:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-02-19 15:57:23,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-19 15:57:23,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-19 15:57:23,512 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:57:23,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:57:23,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1039938326, now seen corresponding path program 4 times [2022-02-19 15:57:23,513 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:57:23,513 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280477022] [2022-02-19 15:57:23,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:57:23,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:57:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:57:35,704 INFO L134 CoverageAnalysis]: Checked inductivity of 47581 backedges. 27280 proven. 20301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:57:35,704 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:57:35,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280477022] [2022-02-19 15:57:35,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280477022] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:57:35,704 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730577174] [2022-02-19 15:57:35,704 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 15:57:35,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:57:35,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:57:35,705 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:57:35,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-19 15:57:35,895 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 15:57:35,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:57:35,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 206 conjunts are in the unsatisfiable core [2022-02-19 15:57:35,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:57:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 47581 backedges. 26782 proven. 20301 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-19 15:57:37,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:57:38,779 INFO L134 CoverageAnalysis]: Checked inductivity of 47581 backedges. 26782 proven. 20301 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2022-02-19 15:57:38,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730577174] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:57:38,779 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:57:38,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [222, 205, 205] total 222 [2022-02-19 15:57:38,779 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014142576] [2022-02-19 15:57:38,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:57:38,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 223 states [2022-02-19 15:57:38,781 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:57:38,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 223 interpolants. [2022-02-19 15:57:38,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12599, Invalid=36907, Unknown=0, NotChecked=0, Total=49506 [2022-02-19 15:57:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:57:38,784 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:57:38,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 223 states, 223 states have (on average 4.053811659192825) internal successors, (904), 222 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:57:38,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:57:38,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:57:38,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:57:38,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-02-19 15:57:38,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:57:54,852 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 78936 transitions and produced 37202 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:57:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:57:54,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2022-02-19 15:57:54,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-02-19 15:57:54,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-19 15:57:55,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-19 15:57:55,054 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:57:55,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:57:55,054 INFO L85 PathProgramCache]: Analyzing trace with hash -552200067, now seen corresponding path program 8 times [2022-02-19 15:57:55,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:57:55,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800500320] [2022-02-19 15:57:55,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:57:55,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:57:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:58:07,954 INFO L134 CoverageAnalysis]: Checked inductivity of 49965 backedges. 27280 proven. 22685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:58:07,955 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:58:07,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800500320] [2022-02-19 15:58:07,955 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800500320] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:58:07,955 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46313751] [2022-02-19 15:58:07,955 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-19 15:58:07,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:58:07,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:58:07,956 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:58:07,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-19 15:58:08,148 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-19 15:58:08,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:58:08,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1396 conjuncts, 218 conjunts are in the unsatisfiable core [2022-02-19 15:58:08,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:58:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 49965 backedges. 27081 proven. 22685 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-02-19 15:58:09,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:58:11,059 INFO L134 CoverageAnalysis]: Checked inductivity of 49965 backedges. 27081 proven. 22685 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-02-19 15:58:11,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46313751] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:58:11,059 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:58:11,060 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [228, 217, 217] total 228 [2022-02-19 15:58:11,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149754464] [2022-02-19 15:58:11,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:58:11,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 229 states [2022-02-19 15:58:11,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:58:11,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 229 interpolants. [2022-02-19 15:58:11,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13244, Invalid=38968, Unknown=0, NotChecked=0, Total=52212 [2022-02-19 15:58:11,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:58:11,064 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:58:11,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 229 states, 229 states have (on average 4.056768558951965) internal successors, (929), 228 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2022-02-19 15:58:11,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:58:26,182 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2828 transitions and produced 2346 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-02-19 15:58:26,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2022-02-19 15:58:26,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-02-19 15:58:26,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:58:26,384 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:58:26,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:58:26,385 INFO L85 PathProgramCache]: Analyzing trace with hash -2135552417, now seen corresponding path program 9 times [2022-02-19 15:58:26,385 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:58:26,385 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935159417] [2022-02-19 15:58:26,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:58:26,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:58:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:58:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 52593 backedges. 27280 proven. 25313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:58:39,917 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:58:39,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935159417] [2022-02-19 15:58:39,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935159417] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:58:39,917 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934772996] [2022-02-19 15:58:39,917 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-19 15:58:39,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:58:39,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:58:39,918 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:58:39,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-19 15:58:41,196 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 116 check-sat command(s) [2022-02-19 15:58:41,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:58:41,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 234 conjunts are in the unsatisfiable core [2022-02-19 15:58:41,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:58:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 52593 backedges. 27280 proven. 25313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:58:42,653 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:58:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 52593 backedges. 27280 proven. 25313 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:58:44,838 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934772996] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:58:44,838 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:58:44,838 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [234, 233, 233] total 242 [2022-02-19 15:58:44,838 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979866916] [2022-02-19 15:58:44,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:58:44,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 243 states [2022-02-19 15:58:44,839 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:58:44,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2022-02-19 15:58:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14885, Invalid=43921, Unknown=0, NotChecked=0, Total=58806 [2022-02-19 15:58:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:58:44,843 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:58:44,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 243 states, 243 states have (on average 4.106995884773663) internal successors, (998), 242 states have internal predecessors, (998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2022-02-19 15:58:44,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:59:03,893 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2968 transitions and produced 2446 states. [2022-02-19 15:59:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:59:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:59:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:59:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:59:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:59:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:59:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:59:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:59:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:59:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:59:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2022-02-19 15:59:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-02-19 15:59:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2022-02-19 15:59:03,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2022-02-19 15:59:03,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-02-19 15:59:04,113 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:59:04,113 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:59:04,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:59:04,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1063907373, now seen corresponding path program 10 times [2022-02-19 15:59:04,114 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:59:04,114 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997501114] [2022-02-19 15:59:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:59:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:59:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 15:59:18,742 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 29162 proven. 28131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:59:18,743 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 15:59:18,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997501114] [2022-02-19 15:59:18,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997501114] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 15:59:18,743 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379566803] [2022-02-19 15:59:18,743 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-19 15:59:18,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 15:59:18,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 15:59:18,744 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 15:59:18,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-19 15:59:18,933 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-19 15:59:18,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 15:59:18,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 244 conjunts are in the unsatisfiable core [2022-02-19 15:59:18,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 15:59:20,447 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 29525 proven. 27768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:59:20,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 15:59:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 57293 backedges. 29525 proven. 27768 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 15:59:22,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379566803] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 15:59:22,715 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 15:59:22,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [244, 243, 243] total 252 [2022-02-19 15:59:22,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655254411] [2022-02-19 15:59:22,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 15:59:22,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2022-02-19 15:59:22,716 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 15:59:22,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2022-02-19 15:59:22,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16012, Invalid=47744, Unknown=0, NotChecked=0, Total=63756 [2022-02-19 15:59:22,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:59:22,720 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 15:59:22,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 253 states have (on average 4.118577075098814) internal successors, (1042), 252 states have internal predecessors, (1042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2022-02-19 15:59:22,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 15:59:51,671 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 3191 transitions and produced 2623 states. [2022-02-19 15:59:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-19 15:59:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-02-19 15:59:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-02-19 15:59:51,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 292 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 310 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 328 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2022-02-19 15:59:51,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2022-02-19 15:59:51,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-19 15:59:51,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-19 15:59:51,882 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-02-19 15:59:51,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 15:59:51,882 INFO L85 PathProgramCache]: Analyzing trace with hash 134560938, now seen corresponding path program 5 times [2022-02-19 15:59:51,882 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 15:59:51,883 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713367204] [2022-02-19 15:59:51,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 15:59:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 15:59:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 16:00:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 68657 backedges. 38522 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:00:09,455 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 16:00:09,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713367204] [2022-02-19 16:00:09,455 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713367204] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-19 16:00:09,455 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776695305] [2022-02-19 16:00:09,455 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-19 16:00:09,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-19 16:00:09,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 16:00:09,456 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-19 16:00:09,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-19 16:00:10,153 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 138 check-sat command(s) [2022-02-19 16:00:10,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-19 16:00:10,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1622 conjuncts, 266 conjunts are in the unsatisfiable core [2022-02-19 16:00:10,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-19 16:00:11,857 INFO L134 CoverageAnalysis]: Checked inductivity of 68657 backedges. 38522 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:00:11,857 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-19 16:00:16,580 INFO L134 CoverageAnalysis]: Checked inductivity of 68657 backedges. 38522 proven. 30135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 16:00:16,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776695305] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-19 16:00:16,581 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-19 16:00:16,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [266, 265, 265] total 298 [2022-02-19 16:00:16,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300127617] [2022-02-19 16:00:16,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-19 16:00:16,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 299 states [2022-02-19 16:00:16,583 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 16:00:16,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 299 interpolants. [2022-02-19 16:00:16,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22555, Invalid=66547, Unknown=0, NotChecked=0, Total=89102 [2022-02-19 16:00:16,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 16:00:16,590 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 16:00:16,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 299 states, 299 states have (on average 4.086956521739131) internal successors, (1222), 298 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 160 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 292 states. [2022-02-19 16:00:16,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2022-02-19 16:00:16,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 310 states. [2022-02-19 16:00:16,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 328 states. [2022-02-19 16:00:16,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 358 states. [2022-02-19 16:00:16,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2022-02-19 16:00:16,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-19 16:00:47,042 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-19 16:00:47,042 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 [2022-02-19 16:00:47,045 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 [2022-02-19 16:00:47,069 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2022-02-19 16:00:47,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-19 16:00:47,270 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-19 16:00:47,272 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-02-19 16:00:47,273 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-02-19 16:00:47,273 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 16:00:47,276 INFO L732 BasicCegarLoop]: Path program histogram: [10, 5, 1] [2022-02-19 16:00:47,301 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 16:00:47,301 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 16:00:47,302 INFO L202 PluginConnector]: Adding new model misc-1.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:00:47 BasicIcfg [2022-02-19 16:00:47,302 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 16:00:47,303 INFO L158 Benchmark]: Toolchain (without parser) took 763207.20ms. Allocated memory was 202.4MB in the beginning and 1.2GB in the end (delta: 951.1MB). Free memory was 162.6MB in the beginning and 356.3MB in the end (delta: -193.7MB). Peak memory consumption was 977.1MB. Max. memory is 8.0GB. [2022-02-19 16:00:47,303 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 202.4MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 16:00:47,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.90ms. Allocated memory is still 202.4MB. Free memory was 162.5MB in the beginning and 161.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 16:00:47,303 INFO L158 Benchmark]: Boogie Preprocessor took 18.41ms. Allocated memory is still 202.4MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 16:00:47,303 INFO L158 Benchmark]: RCFGBuilder took 209.59ms. Allocated memory is still 202.4MB. Free memory was 160.0MB in the beginning and 151.1MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-19 16:00:47,304 INFO L158 Benchmark]: TraceAbstraction took 762944.03ms. Allocated memory was 202.4MB in the beginning and 1.2GB in the end (delta: 951.1MB). Free memory was 150.6MB in the beginning and 356.3MB in the end (delta: -205.6MB). Peak memory consumption was 965.5MB. Max. memory is 8.0GB. [2022-02-19 16:00:47,304 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 202.4MB. Free memory is still 163.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.90ms. Allocated memory is still 202.4MB. Free memory was 162.5MB in the beginning and 161.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.41ms. Allocated memory is still 202.4MB. Free memory was 161.0MB in the beginning and 160.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 209.59ms. Allocated memory is still 202.4MB. Free memory was 160.0MB in the beginning and 151.1MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 762944.03ms. Allocated memory was 202.4MB in the beginning and 1.2GB in the end (delta: 951.1MB). Free memory was 150.6MB in the beginning and 356.3MB in the end (delta: -205.6MB). Peak memory consumption was 965.5MB. 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: 65]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 60]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 762.8s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 217.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3423, 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: 0.4s SsaConstructionTime, 7.2s SatisfiabilityAnalysisTime, 533.4s InterpolantComputationTime, 19660 NumberOfCodeBlocks, 19660 NumberOfCodeBlocksAsserted, 578 NumberOfCheckSat, 29442 ConstructedInterpolants, 0 QuantifiedInterpolants, 196307 SizeOfPredicates, 60 NumberOfNonLiveVariables, 15046 ConjunctsInSsa, 2471 ConjunctsInUnsatCore, 48 InterpolantComputations, 0 PerfectInterpolantSequences, 729662/1311741 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 [2022-02-19 16:00:47,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-19 16:00:47,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 !SESSION 2022-02-19 15:48:01.878 ----------------------------------------------- eclipse.buildId=unknown java.version=11.0.12 java.vendor=Debian BootLoader constants: OS=linux, ARCH=x86_64, WS=gtk, NL=en_US Framework arguments: -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/parallel/misc-1.wvr.bpl Command-line arguments: -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/parallel/misc-1.wvr.bpl !ENTRY org.eclipse.osgi 4 0 2022-02-19 16:00:47.744 !MESSAGE Application error !STACK 1 org.eclipse.core.internal.resources.ResourceException(/)[568]: java.io.FileNotFoundException: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a51d8454/.metadata/.plugins/org.eclipse.core.resources/.root/1.tree (No such file or directory) at java.base/java.io.FileOutputStream.open0(Native Method) at java.base/java.io.FileOutputStream.open(FileOutputStream.java:298) at java.base/java.io.FileOutputStream.(FileOutputStream.java:237) at java.base/java.io.FileOutputStream.(FileOutputStream.java:187) at org.eclipse.core.internal.localstore.SafeFileOutputStream.(SafeFileOutputStream.java:55) at org.eclipse.core.internal.resources.SaveManager.saveTree(SaveManager.java:1381) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1168) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2333) at org.eclipse.core.internal.resources.Workspace.save(Workspace.java:2322) at de.uni_freiburg.informatik.ultimate.core.coreplugin.UltimateCore.start(UltimateCore.java:191) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465) at org.eclipse.equinox.launcher.Main.main(Main.java:1438) An error has occurred. See the log file /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a51d8454/.metadata/.log.