/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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 15:29:52,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 15:29:52,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 15:29:52,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-09 15:29:52,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-09 15:29:52,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-09 15:29:52,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-09 15:29:52,734 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-09 15:29:52,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-09 15:29:52,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-09 15:29:52,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-09 15:29:52,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-09 15:29:52,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 15:29:52,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 15:29:52,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 15:29:52,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 15:29:52,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 15:29:52,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 15:29:52,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 15:29:52,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 15:29:52,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 15:29:52,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 15:29:52,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 15:29:52,771 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 15:29:52,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 15:29:52,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 15:29:52,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 15:29:52,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 15:29:52,786 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-09 15:29:52,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 15:29:52,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 15:29:52,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 15:29:52,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 15:29:52,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 15:29:52,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 15:29:52,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 15:29:52,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 15:29:52,810 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 15:29:52,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 15:29:52,810 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 15:29:52,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 15:29:52,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 15:29:52,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 15:29:52,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:29:52,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 15:29:52,812 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 15:29:52,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 15:29:53,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 15:29:53,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 15:29:53,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 15:29:53,037 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 15:29:53,038 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 15:29:53,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl [2022-02-09 15:29:53,039 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/vector-add.wvr.bpl' [2022-02-09 15:29:53,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 15:29:53,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 15:29:53,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 15:29:53,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 15:29:53,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 15:29:53,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,082 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 15:29:53,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 15:29:53,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 15:29:53,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 15:29:53,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 15:29:53,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 15:29:53,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 15:29:53,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 15:29:53,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 15:29:53,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/1) ... [2022-02-09 15:29:53,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:29:53,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:29:53,131 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) [2022-02-09 15:29:53,156 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 [2022-02-09 15:29:53,179 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 15:29:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 15:29:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 15:29:53,180 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 15:29:53,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 15:29:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 15:29:53,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 15:29:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 15:29:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 15:29:53,181 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 15:29:53,181 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 15:29:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 15:29:53,182 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 15:29:53,225 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 15:29:53,228 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 15:29:53,333 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 15:29:53,344 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 15:29:53,345 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 15:29:53,346 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:29:53 BoogieIcfgContainer [2022-02-09 15:29:53,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 15:29:53,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 15:29:53,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 15:29:53,353 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 15:29:53,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:29:53" (1/2) ... [2022-02-09 15:29:53,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acda3b8 and model type vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 03:29:53, skipping insertion in model container [2022-02-09 15:29:53,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:29:53" (2/2) ... [2022-02-09 15:29:53,356 INFO L111 eAbstractionObserver]: Analyzing ICFG vector-add.wvr.bpl [2022-02-09 15:29:53,360 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 15:29:53,361 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 15:29:53,361 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 15:29:53,361 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 15:29:53,406 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 15:29:53,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 15:29:53,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:29:53,443 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) [2022-02-09 15:29:53,487 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 [2022-02-09 15:29:53,510 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 15:29:53,514 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 [2022-02-09 15:29:53,515 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 15:29:53,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:29:53,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:29:53,648 INFO L85 PathProgramCache]: Analyzing trace with hash -230313036, now seen corresponding path program 1 times [2022-02-09 15:29:53,663 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:29:53,663 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704556284] [2022-02-09 15:29:53,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:53,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:29:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:53,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:53,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:29:53,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704556284] [2022-02-09 15:29:53,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704556284] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:29:53,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:29:53,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 15:29:53,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754568962] [2022-02-09 15:29:53,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:29:53,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 15:29:53,756 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:29:53,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 15:29:53,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 15:29:53,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:53,770 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:29:53,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2022-02-09 15:29:53,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:53,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:53,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 15:29:53,816 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:29:53,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:29:53,818 INFO L85 PathProgramCache]: Analyzing trace with hash -2108490286, now seen corresponding path program 1 times [2022-02-09 15:29:53,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:29:53,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144257895] [2022-02-09 15:29:53,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:53,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:29:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:53,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:29:53,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:29:53,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144257895] [2022-02-09 15:29:53,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144257895] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:29:53,860 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:29:53,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 15:29:53,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779371075] [2022-02-09 15:29:53,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:29:53,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 15:29:53,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:29:53,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 15:29:53,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 15:29:53,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:53,862 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:29:53,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-02-09 15:29:53,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:53,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:53,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:53,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:53,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 15:29:53,904 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:29:53,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:29:53,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1402226544, now seen corresponding path program 1 times [2022-02-09 15:29:53,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:29:53,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371467309] [2022-02-09 15:29:53,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:53,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:29:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:54,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:54,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:29:54,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371467309] [2022-02-09 15:29:54,177 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371467309] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:29:54,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934472273] [2022-02-09 15:29:54,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:54,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:29:54,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:29:54,181 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) [2022-02-09 15:29:54,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 15:29:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:54,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-09 15:29:54,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:29:54,505 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2022-02-09 15:29:54,508 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2022-02-09 15:29:54,511 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-02-09 15:29:54,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:54,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:29:54,597 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:29:54,598 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 30 [2022-02-09 15:29:54,608 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:29:54,609 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 26 [2022-02-09 15:29:57,032 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46 [2022-02-09 15:29:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:57,111 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934472273] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:29:57,112 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:29:57,112 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-09 15:29:57,112 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862732537] [2022-02-09 15:29:57,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:29:57,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 15:29:57,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:29:57,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 15:29:57,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=277, Unknown=1, NotChecked=0, Total=342 [2022-02-09 15:29:57,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:57,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:29:57,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 18 states have internal predecessors, (46), 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) [2022-02-09 15:29:57,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:57,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:57,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:57,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 15:29:57,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 15:29:57,483 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 [2022-02-09 15:29:57,484 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:29:57,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:29:57,484 INFO L85 PathProgramCache]: Analyzing trace with hash 697520782, now seen corresponding path program 2 times [2022-02-09 15:29:57,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:29:57,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483089323] [2022-02-09 15:29:57,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:57,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:29:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:57,561 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:29:57,561 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483089323] [2022-02-09 15:29:57,562 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483089323] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:29:57,562 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381578493] [2022-02-09 15:29:57,562 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:29:57,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:29:57,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:29:57,563 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) [2022-02-09 15:29:57,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-09 15:29:57,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:29:57,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:29:57,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:29:57,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:29:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:57,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:29:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:57,840 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381578493] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:29:57,840 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:29:57,840 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-09 15:29:57,841 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100989074] [2022-02-09 15:29:57,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:29:57,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-09 15:29:57,842 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:29:57,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-09 15:29:57,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-09 15:29:57,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:57,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:29:57,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 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) [2022-02-09 15:29:57,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:57,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:57,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 15:29:57,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 15:29:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:29:58,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-09 15:29:58,279 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 [2022-02-09 15:29:58,280 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:29:58,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:29:58,280 INFO L85 PathProgramCache]: Analyzing trace with hash -622663350, now seen corresponding path program 1 times [2022-02-09 15:29:58,280 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:29:58,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089504273] [2022-02-09 15:29:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:58,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:29:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:58,329 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:29:58,329 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:29:58,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089504273] [2022-02-09 15:29:58,329 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089504273] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:29:58,329 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425168258] [2022-02-09 15:29:58,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:58,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:29:58,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:29:58,331 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) [2022-02-09 15:29:58,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 15:29:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:58,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:29:58,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:29:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:29:58,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:29:58,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:29:58,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425168258] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:29:58,579 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:29:58,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-09 15:29:58,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036948482] [2022-02-09 15:29:58,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:29:58,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 15:29:58,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:29:58,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 15:29:58,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-09 15:29:58,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:58,580 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:29:58,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 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) [2022-02-09 15:29:58,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:58,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:58,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-02-09 15:29:58,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:29:58,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:29:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:29:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:29:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-09 15:29:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:29:58,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:29:58,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 15:29:58,909 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 [2022-02-09 15:29:58,909 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:29:58,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:29:58,910 INFO L85 PathProgramCache]: Analyzing trace with hash 220767720, now seen corresponding path program 2 times [2022-02-09 15:29:58,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:29:58,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053447736] [2022-02-09 15:29:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:29:58,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:29:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:29:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:59,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:29:59,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053447736] [2022-02-09 15:29:59,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053447736] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:29:59,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1633605886] [2022-02-09 15:29:59,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:29:59,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:29:59,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:29:59,223 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) [2022-02-09 15:29:59,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-09 15:29:59,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:29:59,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:29:59,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 35 conjunts are in the unsatisfiable core [2022-02-09 15:29:59,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:29:59,502 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 45 [2022-02-09 15:29:59,620 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-02-09 15:29:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:29:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:29:59,803 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:29:59,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 56 [2022-02-09 15:29:59,808 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:29:59,811 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2022-02-09 15:29:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:29:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:29:59,817 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2022-02-09 15:29:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:29:59,918 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:30:00,213 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:00,317 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-09 15:30:00,318 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 79 treesize of output 164 [2022-02-09 15:30:00,328 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:00,331 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:00,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:00,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:30:00,385 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:30:00,385 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 61 treesize of output 152 Received shutdown request... [2022-02-09 15:44:19,360 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 [2022-02-09 15:44:19,360 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 15:44:19,360 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 [2022-02-09 15:44:19,363 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 15:44:19,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-09 15:44:19,575 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 [2022-02-09 15:44:19,575 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. [2022-02-09 15:44:19,577 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 15:44:19,577 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 15:44:19,578 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 15:44:19,591 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-02-09 15:44:19,593 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 15:44:19,593 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 15:44:19,595 INFO L202 PluginConnector]: Adding new model vector-add.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 03:44:19 BasicIcfg [2022-02-09 15:44:19,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 15:44:19,598 INFO L158 Benchmark]: Toolchain (without parser) took 866536.30ms. Allocated memory was 188.7MB in the beginning and 562.0MB in the end (delta: 373.3MB). Free memory was 150.6MB in the beginning and 471.6MB in the end (delta: -321.0MB). Peak memory consumption was 334.1MB. Max. memory is 8.0GB. [2022-02-09 15:44:19,598 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 15:44:19,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.46ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 149.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 15:44:19,599 INFO L158 Benchmark]: Boogie Preprocessor took 22.03ms. Allocated memory is still 188.7MB. Free memory was 149.1MB in the beginning and 148.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 15:44:19,599 INFO L158 Benchmark]: RCFGBuilder took 238.87ms. Allocated memory is still 188.7MB. Free memory was 148.0MB in the beginning and 138.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 15:44:19,599 INFO L158 Benchmark]: TraceAbstraction took 866250.44ms. Allocated memory was 188.7MB in the beginning and 562.0MB in the end (delta: 373.3MB). Free memory was 138.1MB in the beginning and 471.6MB in the end (delta: -333.6MB). Peak memory consumption was 321.5MB. Max. memory is 8.0GB. [2022-02-09 15:44:19,600 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 188.7MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.46ms. Allocated memory is still 188.7MB. Free memory was 150.6MB in the beginning and 149.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.03ms. Allocated memory is still 188.7MB. Free memory was 149.1MB in the beginning and 148.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 238.87ms. Allocated memory is still 188.7MB. Free memory was 148.0MB in the beginning and 138.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 866250.44ms. Allocated memory was 188.7MB in the beginning and 562.0MB in the end (delta: 373.3MB). Free memory was 138.1MB in the beginning and 471.6MB in the end (delta: -333.6MB). Peak memory consumption was 321.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1043, positive: 892, positive conditional: 600, positive unconditional: 292, negative: 151, negative conditional: 151, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 892, positive: 892, positive conditional: 600, positive unconditional: 292, 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: 892, positive: 892, positive conditional: 600, positive unconditional: 292, 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: 892, positive: 892, positive conditional: 490, positive unconditional: 402, 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: 892, positive: 892, positive conditional: 449, positive unconditional: 443, 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: 892, positive: 892, positive conditional: 449, positive unconditional: 443, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 892, positive: 612, positive conditional: 449, positive unconditional: 163, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 41, Maximal queried relation: 0, Independence queries for same thread: 151 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 22, Number of trivial persistent sets: 13, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 292, positive: 292, positive conditional: 0, positive unconditional: 292, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1043, positive: 892, positive conditional: 600, positive unconditional: 292, negative: 151, negative conditional: 151, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 892, positive: 892, positive conditional: 600, positive unconditional: 292, 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: 892, positive: 892, positive conditional: 600, positive unconditional: 292, 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: 892, positive: 892, positive conditional: 490, positive unconditional: 402, 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: 892, positive: 892, positive conditional: 449, positive unconditional: 443, 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: 892, positive: 892, positive conditional: 449, positive unconditional: 443, 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: 280, positive: 280, positive conditional: 0, positive unconditional: 280, 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: 280, positive: 277, positive conditional: 0, positive unconditional: 277, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 892, positive: 612, positive conditional: 449, positive unconditional: 163, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 280, unknown conditional: 0, unknown unconditional: 280] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 280, Positive conditional cache size: 0, Positive unconditional cache size: 280, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 41, Maximal queried relation: 0, Independence queries for same thread: 151 - 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: 67]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - 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 PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 43 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 866.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.7s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 260 ConstructedInterpolants, 5 QuantifiedInterpolants, 1817 SizeOfPredicates, 24 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 18/49 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