/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/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 15:21:46,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 15:21:46,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 15:21:46,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 15:21:46,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 15:21:46,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 15:21:46,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 15:21:46,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 15:21:46,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 15:21:46,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 15:21:46,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 15:21:46,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 15:21:46,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 15:21:46,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 15:21:46,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 15:21:46,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 15:21:46,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 15:21:46,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 15:21:46,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 15:21:46,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 15:21:46,412 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 15:21:46,434 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 15:21:46,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 15:21:46,435 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 15:21:46,435 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 15:21:46,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 15:21:46,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 15:21:46,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 15:21:46,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 15:21:46,441 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 15:21:46,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 15:21:46,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 15:21:46,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 15:21:46,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 15:21:46,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:21:46,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 15:21:46,444 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 15:21:46,445 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 15:21:46,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 15:21:46,445 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 15:21:46,445 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 15:21:46,445 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 15:21:46,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 15:21:46,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 15:21:46,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 15:21:46,643 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 15:21:46,643 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 15:21:46,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2022-02-09 15:21:46,645 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2022-02-09 15:21:46,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 15:21:46,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 15:21:46,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 15:21:46,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 15:21:46,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 15:21:46,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,682 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 15:21:46,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 15:21:46,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 15:21:46,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 15:21:46,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 15:21:46,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 15:21:46,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 15:21:46,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 15:21:46,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 15:21:46,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/1) ... [2022-02-09 15:21:46,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:21:46,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:21:46,723 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 15:21:46,726 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 15:21:46,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 15:21:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 15:21:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 15:21:46,746 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 15:21:46,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 15:21:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 15:21:46,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 15:21:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 15:21:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 15:21:46,747 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 15:21:46,747 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 15:21:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 15:21:46,748 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 15:21:46,781 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 15:21:46,784 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 15:21:46,852 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 15:21:46,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 15:21:46,865 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 15:21:46,866 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:21:46 BoogieIcfgContainer [2022-02-09 15:21:46,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 15:21:46,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 15:21:46,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 15:21:46,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 15:21:46,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:21:46" (1/2) ... [2022-02-09 15:21:46,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f3276e and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 03:21:46, skipping insertion in model container [2022-02-09 15:21:46,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:21:46" (2/2) ... [2022-02-09 15:21:46,891 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2022-02-09 15:21:46,894 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 15:21:46,894 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 15:21:46,894 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 15:21:46,894 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 15:21:46,928 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 15:21:46,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 15:21:46,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:21:46,963 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 15:21:46,964 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 15:21:47,002 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 15:21:47,007 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 15:21:47,007 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 15:21:47,097 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:21:47,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:21:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1203748231, now seen corresponding path program 1 times [2022-02-09 15:21:47,106 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:21:47,106 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371988005] [2022-02-09 15:21:47,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:47,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:21:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:47,232 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 15:21:47,233 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:21:47,233 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371988005] [2022-02-09 15:21:47,233 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371988005] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:21:47,234 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:21:47,234 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 15:21:47,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626495009] [2022-02-09 15:21:47,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:21:47,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 15:21:47,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:21:47,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 15:21:47,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-09 15:21:47,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:47,277 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:21:47,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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 15:21:47,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:47,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 15:21:47,350 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:21:47,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:21:47,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1276133673, now seen corresponding path program 1 times [2022-02-09 15:21:47,351 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:21:47,351 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092110413] [2022-02-09 15:21:47,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:47,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:21:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:47,393 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 15:21:47,393 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:21:47,393 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092110413] [2022-02-09 15:21:47,393 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092110413] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:21:47,393 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:21:47,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 15:21:47,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889245986] [2022-02-09 15:21:47,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:21:47,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 15:21:47,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:21:47,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 15:21:47,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 15:21:47,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:47,396 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:21:47,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 15:21:47,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:47,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:47,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:47,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:21:47,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 15:21:47,435 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:21:47,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:21:47,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1861244235, now seen corresponding path program 1 times [2022-02-09 15:21:47,436 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:21:47,436 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10255847] [2022-02-09 15:21:47,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:47,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:21:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:47,856 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 15:21:47,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:21:47,857 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10255847] [2022-02-09 15:21:47,857 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10255847] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:21:47,858 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854476727] [2022-02-09 15:21:47,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:47,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:21:47,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:21:47,860 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) [2022-02-09 15:21:47,865 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 15:21:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:47,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2022-02-09 15:21:47,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:21:48,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:21:48,314 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 54 treesize of output 40 [2022-02-09 15:21:48,482 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 15:21:48,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:21:48,837 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:21:48,837 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 107 treesize of output 95 [2022-02-09 15:21:49,506 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 15:21:49,506 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854476727] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:21:49,506 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:21:49,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 19 [2022-02-09 15:21:49,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326678599] [2022-02-09 15:21:49,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:21:49,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-09 15:21:49,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:21:49,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-09 15:21:49,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2022-02-09 15:21:49,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:49,511 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:21:49,513 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 19 states have internal predecessors, (60), 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 15:21:49,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:49,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:21:49,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:49,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:21:49,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:21:49,792 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 15:21:49,970 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 15:21:49,971 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:21:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:21:49,971 INFO L85 PathProgramCache]: Analyzing trace with hash -171063277, now seen corresponding path program 2 times [2022-02-09 15:21:49,971 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:21:49,972 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479577083] [2022-02-09 15:21:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:49,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:21:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:50,028 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 15:21:50,028 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:21:50,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479577083] [2022-02-09 15:21:50,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479577083] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:21:50,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410050381] [2022-02-09 15:21:50,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:21:50,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:21:50,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:21:50,030 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 15:21:50,060 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:21:50,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:21:50,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:21:50,060 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 15:21:50,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:21:50,143 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 15:21:50,144 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:21:50,221 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 15:21:50,222 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410050381] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:21:50,222 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:21:50,222 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-09 15:21:50,222 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117988421] [2022-02-09 15:21:50,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:21:50,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-09 15:21:50,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:21:50,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-09 15:21:50,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-09 15:21:50,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:50,225 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:21:50,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 15 states have internal predecessors, (47), 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 15:21:50,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:50,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:21:50,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:21:50,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:21:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:21:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:21:50,444 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 15:21:50,626 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 15:21:50,627 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:21:50,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:21:50,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1697852593, now seen corresponding path program 1 times [2022-02-09 15:21:50,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:21:50,628 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824939128] [2022-02-09 15:21:50,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:50,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:21:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:50,681 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 15:21:50,681 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:21:50,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824939128] [2022-02-09 15:21:50,681 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824939128] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:21:50,681 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590889531] [2022-02-09 15:21:50,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:50,682 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:21:50,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:21:50,683 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 15:21:50,684 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 15:21:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:50,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:21:50,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:21:50,793 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 15:21:50,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:21:50,880 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 15:21:50,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590889531] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:21:50,881 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:21:50,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-09 15:21:50,881 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410524466] [2022-02-09 15:21:50,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:21:50,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 15:21:50,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:21:50,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 15:21:50,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-09 15:21:50,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:50,886 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:21:50,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 15:21:50,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:50,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:21:50,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:21:50,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:21:50,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:21:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 15:21:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:21:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:21:51,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:21:51,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:21:51,020 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-09 15:21:51,215 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 15:21:51,216 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:21:51,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:21:51,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2051732013, now seen corresponding path program 2 times [2022-02-09 15:21:51,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:21:51,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796229720] [2022-02-09 15:21:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:21:51,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:21:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:21:53,844 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 15:21:53,844 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:21:53,844 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796229720] [2022-02-09 15:21:53,844 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796229720] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:21:53,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558187772] [2022-02-09 15:21:53,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:21:53,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:21:53,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:21:53,846 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 15:21:53,847 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 15:21:53,880 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:21:53,880 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:21:53,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-09 15:21:53,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:21:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:21:55,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:21:55,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:21:55,586 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 273 treesize of output 185 [2022-02-09 15:21:55,832 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 15:21:55,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:21:59,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:21:59,320 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-09 15:21:59,321 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 1299 treesize of output 855 Received shutdown request... [2022-02-09 15:35:57,859 WARN L244 SmtUtils]: Removed 2 from assertion stack [2022-02-09 15:35:57,864 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 15:35:57,879 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 15:35:57,880 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 15:35:57,880 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 15:35:57,884 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 15:35:58,065 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 15:35:58,065 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 23ms.. [2022-02-09 15:35:58,067 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 15:35:58,067 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 15:35:58,067 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 15:35:58,073 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-02-09 15:35:58,074 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 15:35:58,074 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 15:35:58,076 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 03:35:58 BasicIcfg [2022-02-09 15:35:58,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 15:35:58,076 INFO L158 Benchmark]: Toolchain (without parser) took 851415.47ms. Allocated memory was 184.5MB in the beginning and 588.3MB in the end (delta: 403.7MB). Free memory was 145.0MB in the beginning and 217.2MB in the end (delta: -72.3MB). Peak memory consumption was 358.7MB. Max. memory is 8.0GB. [2022-02-09 15:35:58,076 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 184.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 15:35:58,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.95ms. Allocated memory is still 184.5MB. Free memory was 145.0MB in the beginning and 143.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-09 15:35:58,077 INFO L158 Benchmark]: Boogie Preprocessor took 10.82ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 142.4MB in the end (delta: 914.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 15:35:58,077 INFO L158 Benchmark]: RCFGBuilder took 171.15ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 132.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-09 15:35:58,077 INFO L158 Benchmark]: TraceAbstraction took 851208.40ms. Allocated memory was 184.5MB in the beginning and 588.3MB in the end (delta: 403.7MB). Free memory was 132.5MB in the beginning and 217.2MB in the end (delta: -84.8MB). Peak memory consumption was 346.1MB. Max. memory is 8.0GB. [2022-02-09 15:35:58,078 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 0.10ms. Allocated memory is still 184.5MB. Free memory is still 146.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.95ms. Allocated memory is still 184.5MB. Free memory was 145.0MB in the beginning and 143.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.82ms. Allocated memory is still 184.5MB. Free memory was 143.3MB in the beginning and 142.4MB in the end (delta: 914.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 171.15ms. Allocated memory is still 184.5MB. Free memory was 142.3MB in the beginning and 132.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 851208.40ms. Allocated memory was 184.5MB in the beginning and 588.3MB in the end (delta: 403.7MB). Free memory was 132.5MB in the beginning and 217.2MB in the end (delta: -84.8MB). Peak memory consumption was 346.1MB. 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: 540, positive unconditional: 352, 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: 521, positive unconditional: 371, 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: 521, positive unconditional: 371, 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: 278, positive conditional: 0, positive unconditional: 278, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 892, positive: 612, positive conditional: 521, positive unconditional: 91, 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: 19, 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: 21, Number of trivial persistent sets: 12, 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: 540, positive unconditional: 352, 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: 521, positive unconditional: 371, 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: 521, positive unconditional: 371, 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: 278, positive conditional: 0, positive unconditional: 278, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 35, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 892, positive: 612, positive conditional: 521, positive unconditional: 91, 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: 19, 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: 68]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 23ms.. - 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 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 23ms.. - 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 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 23ms.. - TimeoutResultAtElement [Line: 62]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 31 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9 for 23ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 42 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 851.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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, 2.5s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 249 ConstructedInterpolants, 1 QuantifiedInterpolants, 2929 SizeOfPredicates, 28 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 37 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