/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/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 15:15:19,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 15:15:19,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 15:15:19,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 15:15:19,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 15:15:19,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 15:15:19,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 15:15:19,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 15:15:19,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 15:15:19,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 15:15:19,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 15:15:19,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 15:15:19,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 15:15:19,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 15:15:19,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 15:15:19,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 15:15:19,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 15:15:19,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 15:15:19,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 15:15:19,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 15:15:19,696 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 15:15:19,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 15:15:19,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 15:15:19,718 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 15:15:19,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 15:15:19,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 15:15:19,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 15:15:19,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 15:15:19,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 15:15:19,719 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 15:15:19,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 15:15:19,719 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 15:15:19,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 15:15:19,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:15:19,721 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 15:15:19,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 15:15:19,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 15:15:19,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 15:15:19,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 15:15:19,722 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-09 15:15:19,722 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-09 15:15:19,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 15:15:19,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 15:15:19,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 15:15:19,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 15:15:19,951 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 15:15:19,953 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 15:15:19,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2022-02-09 15:15:19,955 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2022-02-09 15:15:19,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 15:15:19,976 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 15:15:19,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 15:15:19,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 15:15:19,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 15:15:19,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:19,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:19,998 INFO L137 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 15:15:19,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 15:15:20,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 15:15:20,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 15:15:20,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 15:15:20,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 15:15:20,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 15:15:20,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 15:15:20,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 15:15:20,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/1) ... [2022-02-09 15:15:20,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 15:15:20,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:15:20,048 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 15:15:20,069 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 15:15:20,082 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 15:15:20,082 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 15:15:20,082 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 15:15:20,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 15:15:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 15:15:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 15:15:20,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 15:15:20,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 15:15:20,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 15:15:20,083 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 15:15:20,084 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 15:15:20,084 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 15:15:20,085 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 15:15:20,121 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 15:15:20,124 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 15:15:20,232 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 15:15:20,242 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 15:15:20,242 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 15:15:20,243 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:15:20 BoogieIcfgContainer [2022-02-09 15:15:20,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 15:15:20,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 15:15:20,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 15:15:20,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 15:15:20,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 03:15:19" (1/2) ... [2022-02-09 15:15:20,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31683941 and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 03:15:20, skipping insertion in model container [2022-02-09 15:15:20,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 03:15:20" (2/2) ... [2022-02-09 15:15:20,268 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2022-02-09 15:15:20,285 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 15:15:20,285 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 15:15:20,285 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 15:15:20,286 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 15:15:20,307 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 15:15:20,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 15:15:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:15:20,341 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 15:15:20,342 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 15:15:20,368 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-09 15:15:20,372 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 15:15:20,372 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 15:15:20,452 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:15:20,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:15:20,455 INFO L85 PathProgramCache]: Analyzing trace with hash -234537446, now seen corresponding path program 1 times [2022-02-09 15:15:20,461 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:15:20,461 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176903784] [2022-02-09 15:15:20,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:20,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:15:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:20,598 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 15:15:20,599 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:15:20,599 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176903784] [2022-02-09 15:15:20,599 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176903784] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:15:20,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:15:20,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 15:15:20,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857253548] [2022-02-09 15:15:20,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:15:20,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 15:15:20,605 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:15:20,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 15:15:20,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 15:15:20,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:20,630 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:15:20,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 15:15:20,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:20,681 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 15:15:20,682 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:15:20,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:15:20,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1872873864, now seen corresponding path program 1 times [2022-02-09 15:15:20,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:15:20,684 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021832398] [2022-02-09 15:15:20,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:20,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:15:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:20,750 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 15:15:20,750 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:15:20,750 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021832398] [2022-02-09 15:15:20,751 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021832398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 15:15:20,751 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 15:15:20,751 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-09 15:15:20,751 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938509640] [2022-02-09 15:15:20,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 15:15:20,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-09 15:15:20,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:15:20,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-09 15:15:20,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-09 15:15:20,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:20,753 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:15:20,753 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 15:15:20,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:20,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:20,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:20,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:15:20,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 15:15:20,810 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:15:20,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:15:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash 196648534, now seen corresponding path program 1 times [2022-02-09 15:15:20,811 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:15:20,811 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266305760] [2022-02-09 15:15:20,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:20,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:15:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:21,260 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 15:15:21,261 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:15:21,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266305760] [2022-02-09 15:15:21,261 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266305760] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:15:21,261 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482517487] [2022-02-09 15:15:21,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:21,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:15:21,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:15:21,280 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 15:15:21,329 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 15:15:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:21,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2022-02-09 15:15:21,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:15:21,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:15:21,750 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 45 treesize of output 33 [2022-02-09 15:15:21,852 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 15:15:21,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:15:22,190 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-09 15:15:22,190 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 75 treesize of output 67 [2022-02-09 15:15:22,596 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 15:15:22,596 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482517487] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:15:22,596 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:15:22,597 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2022-02-09 15:15:22,597 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387423828] [2022-02-09 15:15:22,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:15:22,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-09 15:15:22,598 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:15:22,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-09 15:15:22,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-02-09 15:15:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:22,601 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:15:22,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1578947368421053) internal successors, (60), 18 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 15:15:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:22,604 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:15:22,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:15:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:15:22,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-09 15:15:23,005 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 15:15:23,005 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:15:23,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:15:23,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1778530228, now seen corresponding path program 2 times [2022-02-09 15:15:23,006 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:15:23,006 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019539848] [2022-02-09 15:15:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:23,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:15:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:23,107 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 15:15:23,108 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:15:23,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019539848] [2022-02-09 15:15:23,108 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019539848] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:15:23,108 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776377720] [2022-02-09 15:15:23,108 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:15:23,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:15:23,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:15:23,110 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 15:15:23,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:15:23,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:15:23,168 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 15:15:23,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:15:23,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:15:23,265 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 15:15:23,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:15:23,348 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 15:15:23,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776377720] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:15:23,349 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:15:23,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-02-09 15:15:23,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008932354] [2022-02-09 15:15:23,349 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:15:23,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-09 15:15:23,350 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:15:23,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-09 15:15:23,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-02-09 15:15:23,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:23,351 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:15:23,351 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 15:15:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:15:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:15:23,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:23,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:23,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:15:23,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:15:23,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:15:23,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-09 15:15:23,787 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 15:15:23,788 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:15:23,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:15:23,788 INFO L85 PathProgramCache]: Analyzing trace with hash -485803280, now seen corresponding path program 1 times [2022-02-09 15:15:23,788 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:15:23,788 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310012070] [2022-02-09 15:15:23,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:23,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:15:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:23,848 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 15:15:23,849 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:15:23,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310012070] [2022-02-09 15:15:23,849 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310012070] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:15:23,849 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000325218] [2022-02-09 15:15:23,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:23,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:15:23,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:15:23,850 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 15:15:23,852 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 15:15:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:23,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-09 15:15:23,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:15:24,000 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 15:15:24,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:15:24,079 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 15:15:24,079 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000325218] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:15:24,089 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:15:24,089 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2022-02-09 15:15:24,089 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603330465] [2022-02-09 15:15:24,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:15:24,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-02-09 15:15:24,090 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:15:24,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-02-09 15:15:24,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-02-09 15:15:24,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:24,090 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:15:24,091 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 15:15:24,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:24,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:15:24,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:15:24,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:15:24,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:15:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:15:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:15:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:15:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:15:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:15:24,203 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 15:15:24,385 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 15:15:24,386 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:15:24,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:15:24,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1400384050, now seen corresponding path program 2 times [2022-02-09 15:15:24,386 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:15:24,386 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890518467] [2022-02-09 15:15:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:15:24,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:15:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:15:25,540 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 15:15:25,541 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:15:25,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890518467] [2022-02-09 15:15:25,541 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890518467] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:15:25,541 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141882107] [2022-02-09 15:15:25,541 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 15:15:25,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:15:25,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:15:25,553 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 15:15:25,554 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 15:15:25,587 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 15:15:25,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:15:25,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 15:15:25,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:15:27,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:15:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:15:27,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:15:27,160 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 239 treesize of output 153 [2022-02-09 15:15:27,673 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 15:15:27,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:15:32,247 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:15:32,344 INFO L353 Elim1Store]: treesize reduction 38, result has 73.0 percent of original size [2022-02-09 15:15:32,344 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 1599 treesize of output 975 [2022-02-09 15:16:31,675 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 15:16:31,676 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141882107] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:16:31,676 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:16:31,676 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 32 [2022-02-09 15:16:31,676 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212702743] [2022-02-09 15:16:31,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:16:31,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-02-09 15:16:31,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:16:31,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-02-09 15:16:31,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2022-02-09 15:16:31,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:16:31,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:16:31,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.46875) internal successors, (79), 32 states have internal predecessors, (79), 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 15:16:31,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:16:31,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:16:31,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:16:31,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:31,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:16:31,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:16:35,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:16:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:16:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:16:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:16:35,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:35,325 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 15:16:35,500 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 15:16:35,500 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:16:35,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:16:35,501 INFO L85 PathProgramCache]: Analyzing trace with hash 155791660, now seen corresponding path program 3 times [2022-02-09 15:16:35,501 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:16:35,501 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637340786] [2022-02-09 15:16:35,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:16:35,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:16:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:16:35,632 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:16:35,633 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:16:35,633 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637340786] [2022-02-09 15:16:35,633 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637340786] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:16:35,634 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748269478] [2022-02-09 15:16:35,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 15:16:35,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:16:35,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:16:35,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 15:16:35,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-09 15:16:35,696 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-02-09 15:16:35,696 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:16:35,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 15:16:35,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:16:35,914 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:16:35,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:16:36,134 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:16:36,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748269478] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:16:36,134 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:16:36,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 27 [2022-02-09 15:16:36,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905347048] [2022-02-09 15:16:36,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:16:36,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-02-09 15:16:36,135 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:16:36,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-02-09 15:16:36,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2022-02-09 15:16:36,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:16:36,136 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:16:36,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.6296296296296298) internal successors, (71), 27 states have internal predecessors, (71), 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 15:16:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:16:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:16:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:16:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:16:36,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:36,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:16:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:16:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:16:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:16:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:16:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:16:36,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-09 15:16:36,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:16:36,854 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:16:36,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:16:36,855 INFO L85 PathProgramCache]: Analyzing trace with hash 717797480, now seen corresponding path program 4 times [2022-02-09 15:16:36,855 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:16:36,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4634328] [2022-02-09 15:16:36,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:16:36,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:16:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:16:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:16:36,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:16:36,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4634328] [2022-02-09 15:16:36,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4634328] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:16:36,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335415718] [2022-02-09 15:16:36,937 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 15:16:36,937 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:16:36,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:16:36,938 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 15:16:36,979 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 15:16:36,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:16:36,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-09 15:16:36,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-09 15:16:36,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:16:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:16:37,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 15:16:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-09 15:16:37,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335415718] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 15:16:37,237 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 15:16:37,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2022-02-09 15:16:37,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340182518] [2022-02-09 15:16:37,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 15:16:37,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-09 15:16:37,238 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 15:16:37,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-09 15:16:37,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2022-02-09 15:16:37,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:16:37,239 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 15:16:37,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.909090909090909) internal successors, (64), 22 states have internal predecessors, (64), 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 15:16:37,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:16:37,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:16:37,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:16:37,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:37,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:16:37,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:37,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:16:37,240 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 15:16:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 15:16:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-09 15:16:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 15:16:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:37,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-02-09 15:16:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-09 15:16:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-02-09 15:16:37,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-02-09 15:16:37,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-09 15:16:37,627 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:16:37,628 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-09 15:16:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 15:16:37,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1986237766, now seen corresponding path program 5 times [2022-02-09 15:16:37,628 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 15:16:37,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346927490] [2022-02-09 15:16:37,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 15:16:37,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 15:16:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 15:17:03,535 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:17:03,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 15:17:03,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346927490] [2022-02-09 15:17:03,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346927490] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 15:17:03,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363826349] [2022-02-09 15:17:03,545 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 15:17:03,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 15:17:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 15:17:03,552 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 15:17:03,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-09 15:17:03,614 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2022-02-09 15:17:03,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 15:17:03,625 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 52 conjunts are in the unsatisfiable core [2022-02-09 15:17:03,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 15:17:49,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:17:49,991 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-09 15:17:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:17:49,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:17:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-09 15:17:49,996 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 1051 treesize of output 621 [2022-02-09 15:17:56,455 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 15:17:56,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2022-02-09 15:29:49,375 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2022-02-09 15:29:49,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-09 15:29:49,411 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 15:29:49,411 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 15:29:49,411 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 15:29:49,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-09 15:29:49,594 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. [2022-02-09 15:29:49,596 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-09 15:29:49,596 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-09 15:29:49,596 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-09 15:29:49,601 INFO L732 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1] [2022-02-09 15:29:49,603 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 15:29:49,603 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 15:29:49,605 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 03:29:49 BasicIcfg [2022-02-09 15:29:49,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 15:29:49,605 INFO L158 Benchmark]: Toolchain (without parser) took 869629.30ms. Allocated memory was 220.2MB in the beginning and 1.2GB in the end (delta: 940.6MB). Free memory was 186.7MB in the beginning and 988.0MB in the end (delta: -801.3MB). Peak memory consumption was 718.2MB. Max. memory is 8.0GB. [2022-02-09 15:29:49,606 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 220.2MB. Free memory was 188.0MB in the beginning and 187.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 15:29:49,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.39ms. Allocated memory is still 220.2MB. Free memory was 186.7MB in the beginning and 185.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-09 15:29:49,606 INFO L158 Benchmark]: Boogie Preprocessor took 12.90ms. Allocated memory is still 220.2MB. Free memory was 185.1MB in the beginning and 184.2MB in the end (delta: 899.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 15:29:49,606 INFO L158 Benchmark]: RCFGBuilder took 230.12ms. Allocated memory is still 220.2MB. Free memory was 184.0MB in the beginning and 174.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-02-09 15:29:49,606 INFO L158 Benchmark]: TraceAbstraction took 869360.43ms. Allocated memory was 220.2MB in the beginning and 1.2GB in the end (delta: 940.6MB). Free memory was 174.2MB in the beginning and 988.0MB in the end (delta: -813.8MB). Peak memory consumption was 704.6MB. Max. memory is 8.0GB. [2022-02-09 15:29:49,608 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 0.15ms. Allocated memory is still 220.2MB. Free memory was 188.0MB in the beginning and 187.8MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 22.39ms. Allocated memory is still 220.2MB. Free memory was 186.7MB in the beginning and 185.1MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 12.90ms. Allocated memory is still 220.2MB. Free memory was 185.1MB in the beginning and 184.2MB in the end (delta: 899.5kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 230.12ms. Allocated memory is still 220.2MB. Free memory was 184.0MB in the beginning and 174.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 869360.43ms. Allocated memory was 220.2MB in the beginning and 1.2GB in the end (delta: 940.6MB). Free memory was 174.2MB in the beginning and 988.0MB in the end (delta: -813.8MB). Peak memory consumption was 704.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1765, positive: 1471, positive conditional: 1179, positive unconditional: 292, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1471, positive: 1471, positive conditional: 1179, 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: 1471, positive: 1471, positive conditional: 1179, 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: 1471, positive: 1471, positive conditional: 1069, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 27, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1471, positive: 1191, positive conditional: 1014, positive unconditional: 177, 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: 55, Maximal queried relation: 0, Independence queries for same thread: 294 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, 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: 1765, positive: 1471, positive conditional: 1179, positive unconditional: 292, negative: 294, negative conditional: 294, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1471, positive: 1471, positive conditional: 1179, 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: 1471, positive: 1471, positive conditional: 1179, 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: 1471, positive: 1471, positive conditional: 1069, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 1471, positive: 1471, positive conditional: 1014, positive unconditional: 457, 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: 27, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1471, positive: 1191, positive conditional: 1014, positive unconditional: 177, 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: 55, Maximal queried relation: 0, Independence queries for same thread: 294 - 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: 66]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 59]: 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 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 59]: 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 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 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 39 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-22-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - 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: 869.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 5.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 70.4s InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 15307 SizeOfPredicates, 52 NumberOfNonLiveVariables, 448 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 91/253 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