/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 22:31:32,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 22:31:32,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 22:31:32,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-03-16 22:31:32,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 22:31:32,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 22:31:32,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 22:31:32,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 22:31:32,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 22:31:32,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 22:31:32,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 22:31:32,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 22:31:32,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 22:31:32,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 22:31:32,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 22:31:32,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 22:31:32,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-16 22:31:32,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 22:31:32,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 22:31:32,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 22:31:32,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks-Lazy.epf [2022-03-16 22:31:32,467 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 22:31:32,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 22:31:32,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 22:31:32,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 22:31:32,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 22:31:32,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 22:31:32,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 22:31:32,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 22:31:32,470 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 22:31:32,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 22:31:32,470 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 22:31:32,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 22:31:32,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 22:31:32,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 22:31:32,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:31:32,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 22:31:32,472 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 22:31:32,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 22:31:32,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 22:31:32,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 22:31:32,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 22:31:32,656 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-16 22:31:32,658 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-16 22:31:32,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl [2022-03-16 22:31:32,659 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/three-array-sum.wvr.bpl' [2022-03-16 22:31:32,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 22:31:32,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-16 22:31:32,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 22:31:32,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 22:31:32,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 22:31:32,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,701 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-16 22:31:32,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 22:31:32,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 22:31:32,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 22:31:32,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 22:31:32,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 22:31:32,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 22:31:32,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 22:31:32,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 22:31:32,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/1) ... [2022-03-16 22:31:32,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 22:31:32,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:31:32,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 22:31:32,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 22:31:32,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-03-16 22:31:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-16 22:31:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-16 22:31:32,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-03-16 22:31:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-16 22:31:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-16 22:31:32,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-16 22:31:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 22:31:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 22:31:32,760 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-03-16 22:31:32,760 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-16 22:31:32,760 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-16 22:31:32,761 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 22:31:32,792 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 22:31:32,793 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 22:31:32,908 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 22:31:32,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 22:31:32,920 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 22:31:32,922 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:31:32 BoogieIcfgContainer [2022-03-16 22:31:32,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 22:31:32,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 22:31:32,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 22:31:32,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 22:31:32,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.03 10:31:32" (1/2) ... [2022-03-16 22:31:32,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c947f32 and model type three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 10:31:32, skipping insertion in model container [2022-03-16 22:31:32,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 10:31:32" (2/2) ... [2022-03-16 22:31:32,944 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum.wvr.bpl [2022-03-16 22:31:32,947 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 22:31:32,947 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 22:31:32,947 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-16 22:31:32,947 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-16 22:31:32,974 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-03-16 22:31:33,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-16 22:31:33,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:31:33,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-03-16 22:31:33,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-03-16 22:31:33,072 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-16 22:31:33,082 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-16 22:31:33,082 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-16 22:31:33,332 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 470 transitions and produced 432 states. [2022-03-16 22:31:33,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:31:33,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:31:33,341 INFO L85 PathProgramCache]: Analyzing trace with hash -312820650, now seen corresponding path program 1 times [2022-03-16 22:31:33,347 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:31:33,347 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447025595] [2022-03-16 22:31:33,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:31:33,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:31:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:31:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1626 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 1562 trivial. 0 not checked. [2022-03-16 22:31:33,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:31:33,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447025595] [2022-03-16 22:31:33,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447025595] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:31:33,643 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:31:33,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:31:33,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045115774] [2022-03-16 22:31:33,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:31:33,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:31:33,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:31:33,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:31:33,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:31:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:33,694 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:31:33,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:31:33,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:33,807 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 464 transitions and produced 427 states. [2022-03-16 22:31:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:33,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-16 22:31:33,808 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:31:33,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:31:33,810 INFO L85 PathProgramCache]: Analyzing trace with hash 631568915, now seen corresponding path program 2 times [2022-03-16 22:31:33,810 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:31:33,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500692253] [2022-03-16 22:31:33,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:31:33,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:31:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:31:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 1554 trivial. 0 not checked. [2022-03-16 22:31:33,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:31:33,922 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500692253] [2022-03-16 22:31:33,922 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500692253] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-16 22:31:33,922 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-16 22:31:33,922 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-16 22:31:33,922 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644153723] [2022-03-16 22:31:33,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-16 22:31:33,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-16 22:31:33,923 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:31:33,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-16 22:31:33,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-16 22:31:33,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:33,924 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:31:33,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:31:33,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:33,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:34,037 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 464 transitions and produced 427 states. [2022-03-16 22:31:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:34,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:34,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-16 22:31:34,039 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:31:34,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:31:34,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1108731353, now seen corresponding path program 1 times [2022-03-16 22:31:34,041 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:31:34,041 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107955850] [2022-03-16 22:31:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:31:34,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:31:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:31:34,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 678 proven. 858 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-03-16 22:31:34,858 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:31:34,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107955850] [2022-03-16 22:31:34,858 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107955850] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:31:34,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149915911] [2022-03-16 22:31:34,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:31:34,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:31:34,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:31:34,860 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:31:34,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-16 22:31:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:31:34,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 27 conjunts are in the unsatisfiable core [2022-03-16 22:31:34,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:31:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 1150 proven. 4 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2022-03-16 22:31:35,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:31:36,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 1150 proven. 4 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2022-03-16 22:31:36,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149915911] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:31:36,253 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:31:36,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 19, 19] total 75 [2022-03-16 22:31:36,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016528094] [2022-03-16 22:31:36,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:31:36,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-03-16 22:31:36,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:31:36,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-03-16 22:31:36,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=966, Invalid=4734, Unknown=0, NotChecked=0, Total=5700 [2022-03-16 22:31:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:36,259 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:31:36,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 2.789473684210526) internal successors, (212), 75 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:31:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:36,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:38,146 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 901 transitions and produced 823 states. [2022-03-16 22:31:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:38,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-16 22:31:38,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-16 22:31:38,357 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,SelfDestructingSolverStorable2 [2022-03-16 22:31:38,358 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:31:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:31:38,358 INFO L85 PathProgramCache]: Analyzing trace with hash -523966226, now seen corresponding path program 3 times [2022-03-16 22:31:38,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:31:38,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559040459] [2022-03-16 22:31:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:31:38,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:31:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:31:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 5754 backedges. 2615 proven. 559 refuted. 0 times theorem prover too weak. 2580 trivial. 0 not checked. [2022-03-16 22:31:38,690 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:31:38,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559040459] [2022-03-16 22:31:38,690 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559040459] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:31:38,690 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239488521] [2022-03-16 22:31:38,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-16 22:31:38,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:31:38,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:31:38,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:31:38,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-16 22:31:38,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 18 check-sat command(s) [2022-03-16 22:31:38,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:31:38,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 16 conjunts are in the unsatisfiable core [2022-03-16 22:31:38,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:31:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5754 backedges. 1220 proven. 52 refuted. 0 times theorem prover too weak. 4482 trivial. 0 not checked. [2022-03-16 22:31:39,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:31:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5754 backedges. 1220 proven. 52 refuted. 0 times theorem prover too weak. 4482 trivial. 0 not checked. [2022-03-16 22:31:39,453 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239488521] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:31:39,453 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:31:39,453 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 15] total 26 [2022-03-16 22:31:39,453 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497383886] [2022-03-16 22:31:39,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:31:39,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-03-16 22:31:39,454 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:31:39,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-03-16 22:31:39,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-03-16 22:31:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:39,455 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:31:39,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.8846153846153846) internal successors, (101), 26 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:31:39,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:39,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:39,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-16 22:31:39,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:40,037 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 945 transitions and produced 862 states. [2022-03-16 22:31:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-03-16 22:31:40,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 22:31:40,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-16 22:31:40,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:31:40,260 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:31:40,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:31:40,260 INFO L85 PathProgramCache]: Analyzing trace with hash -461998960, now seen corresponding path program 4 times [2022-03-16 22:31:40,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:31:40,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083631655] [2022-03-16 22:31:40,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:31:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:31:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:31:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5979 backedges. 408 proven. 3951 refuted. 0 times theorem prover too weak. 1620 trivial. 0 not checked. [2022-03-16 22:31:40,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:31:40,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083631655] [2022-03-16 22:31:40,803 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083631655] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:31:40,803 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937919028] [2022-03-16 22:31:40,803 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-16 22:31:40,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:31:40,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:31:40,805 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:31:40,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-16 22:31:40,946 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-16 22:31:40,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:31:40,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 844 conjuncts, 37 conjunts are in the unsatisfiable core [2022-03-16 22:31:40,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:31:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5979 backedges. 2249 proven. 289 refuted. 0 times theorem prover too weak. 3441 trivial. 0 not checked. [2022-03-16 22:31:42,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:31:42,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5979 backedges. 2249 proven. 289 refuted. 0 times theorem prover too weak. 3441 trivial. 0 not checked. [2022-03-16 22:31:42,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937919028] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:31:42,442 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:31:42,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 73 [2022-03-16 22:31:42,442 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35764017] [2022-03-16 22:31:42,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:31:42,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2022-03-16 22:31:42,443 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:31:42,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2022-03-16 22:31:42,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=659, Invalid=4743, Unknown=0, NotChecked=0, Total=5402 [2022-03-16 22:31:42,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:42,445 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:31:42,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 2.5405405405405403) internal successors, (188), 73 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:31:42,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:42,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:42,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-03-16 22:31:42,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 22:31:42,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:31:46,862 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 2975 transitions and produced 2522 states. [2022-03-16 22:31:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:31:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-03-16 22:31:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 22:31:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2022-03-16 22:31:46,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-03-16 22:31:47,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:31:47,064 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:31:47,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:31:47,064 INFO L85 PathProgramCache]: Analyzing trace with hash 2055617864, now seen corresponding path program 5 times [2022-03-16 22:31:47,064 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:31:47,064 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591440857] [2022-03-16 22:31:47,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:31:47,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:31:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:31:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 48341 backedges. 10476 proven. 833 refuted. 0 times theorem prover too weak. 37032 trivial. 0 not checked. [2022-03-16 22:31:47,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:31:47,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591440857] [2022-03-16 22:31:47,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591440857] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:31:47,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302939176] [2022-03-16 22:31:47,976 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-16 22:31:47,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:31:47,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:31:47,981 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:31:47,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-16 22:33:49,192 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 115 check-sat command(s) [2022-03-16 22:33:49,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:33:49,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 97 conjunts are in the unsatisfiable core [2022-03-16 22:33:49,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:33:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 48341 backedges. 24905 proven. 184 refuted. 0 times theorem prover too weak. 23252 trivial. 0 not checked. [2022-03-16 22:33:51,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:33:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 48341 backedges. 24905 proven. 184 refuted. 0 times theorem prover too weak. 23252 trivial. 0 not checked. [2022-03-16 22:33:54,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302939176] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:33:54,562 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:33:54,562 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 71, 71] total 156 [2022-03-16 22:33:54,563 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093380993] [2022-03-16 22:33:54,563 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:33:54,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2022-03-16 22:33:54,567 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:33:54,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2022-03-16 22:33:54,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9301, Invalid=14879, Unknown=0, NotChecked=0, Total=24180 [2022-03-16 22:33:54,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:33:54,578 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:33:54,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 156 states, 156 states have (on average 2.717948717948718) internal successors, (424), 156 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:33:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:33:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:33:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-03-16 22:33:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 22:33:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2022-03-16 22:33:54,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:34:05,799 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 6234 transitions and produced 4815 states. [2022-03-16 22:34:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:34:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2022-03-16 22:34:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-03-16 22:34:05,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2022-03-16 22:34:05,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2022-03-16 22:34:05,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-03-16 22:34:06,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:34:06,027 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-03-16 22:34:06,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-16 22:34:06,028 INFO L85 PathProgramCache]: Analyzing trace with hash -557618159, now seen corresponding path program 2 times [2022-03-16 22:34:06,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-16 22:34:06,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652165882] [2022-03-16 22:34:06,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-16 22:34:06,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-16 22:34:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-16 22:34:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 189553 backedges. 137331 proven. 44815 refuted. 0 times theorem prover too weak. 7407 trivial. 0 not checked. [2022-03-16 22:34:48,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-16 22:34:48,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652165882] [2022-03-16 22:34:48,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652165882] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-16 22:34:48,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075302503] [2022-03-16 22:34:48,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-16 22:34:48,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:34:48,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 22:34:48,603 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-16 22:34:48,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-16 22:34:49,439 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-16 22:34:49,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-16 22:34:49,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 4871 conjuncts, 585 conjunts are in the unsatisfiable core [2022-03-16 22:34:49,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-16 22:34:52,629 INFO L134 CoverageAnalysis]: Checked inductivity of 189553 backedges. 133774 proven. 48510 refuted. 0 times theorem prover too weak. 7269 trivial. 0 not checked. [2022-03-16 22:34:52,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-16 22:35:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 189553 backedges. 133774 proven. 48510 refuted. 0 times theorem prover too weak. 7269 trivial. 0 not checked. [2022-03-16 22:35:35,750 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075302503] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-16 22:35:35,751 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-16 22:35:35,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [420, 422, 422] total 696 [2022-03-16 22:35:35,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328021807] [2022-03-16 22:35:35,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-16 22:35:35,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 697 states [2022-03-16 22:35:35,753 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-16 22:35:35,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 697 interpolants. [2022-03-16 22:35:35,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124150, Invalid=360962, Unknown=0, NotChecked=0, Total=485112 [2022-03-16 22:35:35,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-16 22:35:35,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-16 22:35:35,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 697 states, 697 states have (on average 2.6169296987087516) internal successors, (1824), 696 states have internal predecessors, (1824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-16 22:35:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:35:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-16 22:35:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 108 states. [2022-03-16 22:35:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-03-16 22:35:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2022-03-16 22:35:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2022-03-16 22:35:35,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-03-16 22:44:02,187 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:44:02,187 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:44:02,187 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-03-16 22:44:02,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-16 22:44:02,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-16 22:44:02,977 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-03-16 22:44:02,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-03-16 22:44:02,979 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-16 22:44:02,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-03-16 22:44:02,980 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-03-16 22:44:02,984 INFO L732 BasicCegarLoop]: Path program histogram: [5, 2] [2022-03-16 22:44:02,992 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-16 22:44:02,993 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-16 22:44:02,995 INFO L202 PluginConnector]: Adding new model three-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 10:44:02 BasicIcfg [2022-03-16 22:44:02,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 22:44:02,996 INFO L158 Benchmark]: Toolchain (without parser) took 750318.13ms. Allocated memory was 186.6MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 144.5MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-16 22:44:02,996 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:44:02,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.73ms. Allocated memory is still 186.6MB. Free memory was 144.4MB in the beginning and 143.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:44:02,996 INFO L158 Benchmark]: Boogie Preprocessor took 10.62ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 142.0MB in the end (delta: 935.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 22:44:02,996 INFO L158 Benchmark]: RCFGBuilder took 206.91ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 132.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 22:44:02,997 INFO L158 Benchmark]: TraceAbstraction took 750072.35ms. Allocated memory was 186.6MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 131.7MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-03-16 22:44:02,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 186.6MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.73ms. Allocated memory is still 186.6MB. Free memory was 144.4MB in the beginning and 143.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 10.62ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 142.0MB in the end (delta: 935.7kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 206.91ms. Allocated memory is still 186.6MB. Free memory was 142.0MB in the beginning and 132.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 750072.35ms. Allocated memory was 186.6MB in the beginning and 3.4GB in the end (delta: 3.2GB). Free memory was 131.7MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 71]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 64]: 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: 64]: 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: 65]: 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 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 750.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 525.5s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1844, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 124.1s SatisfiabilityAnalysisTime, 98.2s InterpolantComputationTime, 5766 NumberOfCodeBlocks, 5493 NumberOfCodeBlocksAsserted, 144 NumberOfCheckSat, 8502 ConstructedInterpolants, 0 QuantifiedInterpolants, 30188 SizeOfPredicates, 16 NumberOfNonLiveVariables, 8495 ConjunctsInSsa, 762 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 607657/756751 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