/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 18:56:58,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 18:56:58,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 18:56:58,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 18:56:58,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-09 18:56:58,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-09 18:56:58,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-09 18:56:58,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-09 18:56:58,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-09 18:56:58,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-09 18:56:58,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-09 18:56:58,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-09 18:56:58,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-09 18:56:58,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-09 18:56:58,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-09 18:56:58,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-09 18:56:58,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-09 18:56:58,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 18:56:58,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 18:56:58,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 18:56:58,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf [2022-02-09 18:56:58,717 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 18:56:58,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 18:56:58,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 18:56:58,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 18:56:58,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 18:56:58,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 18:56:58,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 18:56:58,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 18:56:58,719 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 18:56:58,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 18:56:58,719 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 18:56:58,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 18:56:58,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 18:56:58,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 18:56:58,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 18:56:58,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:56:58,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 18:56:58,722 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 18:56:58,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 18:56:58,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 18:56:58,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 18:56:58,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 18:56:58,913 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-09 18:56:58,915 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-09 18:56:58,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl [2022-02-09 18:56:58,916 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/counter-determinism.wvr.bpl' [2022-02-09 18:56:58,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 18:56:58,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-09 18:56:58,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 18:56:58,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 18:56:58,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 18:56:58,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,949 INFO L137 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-09 18:56:58,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 18:56:58,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 18:56:58,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 18:56:58,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 18:56:58,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 18:56:58,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 18:56:58,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 18:56:58,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 18:56:58,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/1) ... [2022-02-09 18:56:58,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 18:56:58,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:56:59,002 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 18:56:59,004 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 18:56:59,024 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-02-09 18:56:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-09 18:56:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-09 18:56:59,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-02-09 18:56:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-09 18:56:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-09 18:56:59,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-09 18:56:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 18:56:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 18:56:59,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-02-09 18:56:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-09 18:56:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-09 18:56:59,025 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2022-02-09 18:56:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-09 18:56:59,025 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-09 18:56:59,026 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 18:56:59,060 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 18:56:59,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 18:56:59,202 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 18:56:59,215 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 18:56:59,216 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-09 18:56:59,217 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:56:59 BoogieIcfgContainer [2022-02-09 18:56:59,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 18:56:59,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 18:56:59,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 18:56:59,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 18:56:59,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:56:58" (1/2) ... [2022-02-09 18:56:59,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541162d5 and model type counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:56:59, skipping insertion in model container [2022-02-09 18:56:59,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:56:59" (2/2) ... [2022-02-09 18:56:59,222 INFO L111 eAbstractionObserver]: Analyzing ICFG counter-determinism.wvr.bpl [2022-02-09 18:56:59,225 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 18:56:59,225 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 18:56:59,225 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-09 18:56:59,225 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 18:56:59,285 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-09 18:56:59,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 18:56:59,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:56:59,346 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 18:56:59,348 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 18:56:59,371 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 18:56:59,376 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=false, 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 18:56:59,376 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 18:56:59,388 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 39 transitions, 110 flow [2022-02-09 18:56:59,472 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 435 states, 434 states have (on average 3.8225806451612905) internal successors, (1659), 434 states have internal predecessors, (1659), 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 18:56:59,619 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 4532 transitions and produced 1565 states. [2022-02-09 18:56:59,620 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:56:59,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:56:59,624 INFO L85 PathProgramCache]: Analyzing trace with hash -80759785, now seen corresponding path program 1 times [2022-02-09 18:56:59,633 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:56:59,634 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109169757] [2022-02-09 18:56:59,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:56:59,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:56:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 532 proven. 477 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-02-09 18:57:00,291 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:57:00,292 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109169757] [2022-02-09 18:57:00,292 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109169757] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:57:00,293 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912432348] [2022-02-09 18:57:00,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:57:00,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:00,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:57:00,302 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 18:57:00,303 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 18:57:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:00,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 34 conjunts are in the unsatisfiable core [2022-02-09 18:57:00,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:57:01,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 555 proven. 551 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-02-09 18:57:01,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:57:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 1046 proven. 48 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-02-09 18:57:02,203 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912432348] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:57:02,203 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:57:02,203 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 34, 22] total 70 [2022-02-09 18:57:02,204 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668360245] [2022-02-09 18:57:02,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:57:02,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2022-02-09 18:57:02,207 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:57:02,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2022-02-09 18:57:02,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=955, Invalid=3875, Unknown=0, NotChecked=0, Total=4830 [2022-02-09 18:57:02,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:02,235 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:57:02,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 3.9714285714285715) internal successors, (278), 70 states have internal predecessors, (278), 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 18:57:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:26,138 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 93517 transitions and produced 22879 states. [2022-02-09 18:57:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:26,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 18:57:26,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-02-09 18:57:26,340 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:57:26,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:57:26,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1638743751, now seen corresponding path program 2 times [2022-02-09 18:57:26,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:57:26,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671827511] [2022-02-09 18:57:26,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:57:26,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:57:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:28,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 1373 proven. 141 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 18:57:28,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:57:28,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671827511] [2022-02-09 18:57:28,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671827511] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:57:28,301 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404148970] [2022-02-09 18:57:28,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:57:28,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:28,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:57:28,302 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 18:57:28,303 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 18:57:28,385 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:57:28,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:57:28,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 29 conjunts are in the unsatisfiable core [2022-02-09 18:57:28,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:57:29,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 484 proven. 49 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 18:57:29,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:57:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 529 proven. 4 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 18:57:31,507 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404148970] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:57:31,507 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:57:31,507 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 29, 29] total 126 [2022-02-09 18:57:31,507 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856075547] [2022-02-09 18:57:31,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:57:31,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-02-09 18:57:31,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:57:31,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-02-09 18:57:31,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2333, Invalid=13669, Unknown=0, NotChecked=0, Total=16002 [2022-02-09 18:57:31,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:31,514 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:57:31,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 2.251968503937008) internal successors, (286), 126 states have internal predecessors, (286), 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 18:57:31,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:31,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:35,220 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 93595 transitions and produced 22930 states. [2022-02-09 18:57:35,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:57:35,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-09 18:57:35,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:35,423 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:57:35,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:57:35,424 INFO L85 PathProgramCache]: Analyzing trace with hash 664141637, now seen corresponding path program 3 times [2022-02-09 18:57:35,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:57:35,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945256542] [2022-02-09 18:57:35,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:57:35,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:57:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 399 proven. 64 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-02-09 18:57:35,640 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:57:35,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945256542] [2022-02-09 18:57:35,641 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945256542] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:57:35,641 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225058638] [2022-02-09 18:57:35,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:57:35,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:35,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:57:35,642 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 18:57:35,647 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 18:57:35,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2022-02-09 18:57:35,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:57:35,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-09 18:57:35,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:57:36,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 399 proven. 64 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-02-09 18:57:36,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:57:36,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1574 backedges. 399 proven. 64 refuted. 0 times theorem prover too weak. 1111 trivial. 0 not checked. [2022-02-09 18:57:36,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225058638] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:57:36,794 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:57:36,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 39 [2022-02-09 18:57:36,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031653656] [2022-02-09 18:57:36,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:57:36,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-09 18:57:36,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:57:36,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-09 18:57:36,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1172, Unknown=0, NotChecked=0, Total=1482 [2022-02-09 18:57:36,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:36,796 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:57:36,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 3.2051282051282053) internal successors, (125), 39 states have internal predecessors, (125), 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 18:57:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:57:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:37,108 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 862 transitions and produced 679 states. [2022-02-09 18:57:37,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:37,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:57:37,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:57:37,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 18:57:37,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:37,311 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:57:37,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:57:37,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1959790969, now seen corresponding path program 4 times [2022-02-09 18:57:37,311 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:57:37,312 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184609231] [2022-02-09 18:57:37,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:57:37,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:57:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 1429 proven. 126 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-09 18:57:38,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:57:38,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184609231] [2022-02-09 18:57:38,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184609231] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:57:38,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874267074] [2022-02-09 18:57:38,863 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:57:38,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:38,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:57:38,864 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 18:57:38,865 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 18:57:38,925 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:57:38,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:57:38,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-09 18:57:38,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:57:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 484 proven. 126 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 18:57:40,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:57:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1591 backedges. 529 proven. 81 refuted. 0 times theorem prover too weak. 981 trivial. 0 not checked. [2022-02-09 18:57:42,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874267074] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:57:42,564 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:57:42,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 36, 36] total 136 [2022-02-09 18:57:42,564 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212403827] [2022-02-09 18:57:42,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:57:42,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2022-02-09 18:57:42,566 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:57:42,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2022-02-09 18:57:42,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2580, Invalid=16052, Unknown=0, NotChecked=0, Total=18632 [2022-02-09 18:57:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:42,573 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:57:42,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 2.291970802919708) internal successors, (314), 136 states have internal predecessors, (314), 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 18:57:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:57:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:57:42,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:48,314 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1004 transitions and produced 766 states. [2022-02-09 18:57:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:57:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:57:48,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-09 18:57:48,333 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 18:57:48,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:48,515 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:57:48,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:57:48,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1664968029, now seen corresponding path program 5 times [2022-02-09 18:57:48,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:57:48,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894295776] [2022-02-09 18:57:48,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:57:48,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:57:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:57:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 1429 proven. 445 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-02-09 18:57:50,667 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:57:50,667 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894295776] [2022-02-09 18:57:50,668 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894295776] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:57:50,668 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141036100] [2022-02-09 18:57:50,668 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:57:50,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:57:50,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:57:50,669 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 18:57:50,670 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 18:57:50,763 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2022-02-09 18:57:50,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:57:50,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 54 conjunts are in the unsatisfiable core [2022-02-09 18:57:50,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:57:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 945 proven. 400 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-02-09 18:57:53,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:57:57,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1910 backedges. 945 proven. 400 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2022-02-09 18:57:57,129 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141036100] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:57:57,129 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:57:57,129 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [78, 55, 55] total 185 [2022-02-09 18:57:57,129 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043674428] [2022-02-09 18:57:57,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:57:57,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2022-02-09 18:57:57,130 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:57:57,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2022-02-09 18:57:57,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6642, Invalid=27398, Unknown=0, NotChecked=0, Total=34040 [2022-02-09 18:57:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:57:57,137 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:57:57,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 2.281081081081081) internal successors, (422), 185 states have internal predecessors, (422), 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 18:57:57,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:57:57,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:57:57,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:57:57,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-09 18:57:57,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:06,470 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1134 transitions and produced 848 states. [2022-02-09 18:58:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:58:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-02-09 18:58:06,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-02-09 18:58:06,490 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 18:58:06,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:06,671 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:58:06,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:58:06,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1034212209, now seen corresponding path program 6 times [2022-02-09 18:58:06,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:58:06,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867768054] [2022-02-09 18:58:06,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:58:06,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:58:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:58:06,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 864 proven. 529 refuted. 0 times theorem prover too weak. 1017 trivial. 0 not checked. [2022-02-09 18:58:06,979 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:58:06,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867768054] [2022-02-09 18:58:06,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867768054] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:58:06,979 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308452946] [2022-02-09 18:58:06,979 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 18:58:06,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:06,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:58:06,986 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 18:58:06,988 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 18:58:07,091 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2022-02-09 18:58:07,091 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:58:07,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 36 conjunts are in the unsatisfiable core [2022-02-09 18:58:07,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:58:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 484 proven. 489 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-02-09 18:58:08,801 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:58:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2410 backedges. 574 proven. 399 refuted. 0 times theorem prover too weak. 1437 trivial. 0 not checked. [2022-02-09 18:58:10,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308452946] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:58:10,446 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:58:10,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 37, 37] total 96 [2022-02-09 18:58:10,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462698658] [2022-02-09 18:58:10,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:58:10,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-02-09 18:58:10,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:58:10,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-02-09 18:58:10,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1994, Invalid=7126, Unknown=0, NotChecked=0, Total=9120 [2022-02-09 18:58:10,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:10,449 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:58:10,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 3.1875) internal successors, (306), 96 states have internal predecessors, (306), 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 18:58:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-02-09 18:58:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-02-09 18:58:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-02-09 18:58:10,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:19,582 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1257 transitions and produced 947 states. [2022-02-09 18:58:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:19,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:19,601 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 18:58:19,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:19,786 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:58:19,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:58:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1059256883, now seen corresponding path program 7 times [2022-02-09 18:58:19,787 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:58:19,787 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911363415] [2022-02-09 18:58:19,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:58:19,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:58:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:58:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 891 proven. 788 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-02-09 18:58:20,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:58:20,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911363415] [2022-02-09 18:58:20,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911363415] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:58:20,177 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140096875] [2022-02-09 18:58:20,177 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 18:58:20,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:20,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:58:20,184 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 18:58:20,186 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 18:58:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:58:20,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 58 conjunts are in the unsatisfiable core [2022-02-09 18:58:20,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:58:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 891 proven. 788 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-02-09 18:58:20,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:58:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2984 backedges. 891 proven. 788 refuted. 0 times theorem prover too weak. 1305 trivial. 0 not checked. [2022-02-09 18:58:20,978 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140096875] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:58:20,979 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:58:20,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 30 [2022-02-09 18:58:20,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551100396] [2022-02-09 18:58:20,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:58:20,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-02-09 18:58:20,980 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:58:20,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-02-09 18:58:20,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2022-02-09 18:58:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:20,980 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:58:20,981 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.7) internal successors, (141), 30 states have internal predecessors, (141), 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 18:58:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:20,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:21,063 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1317 transitions and produced 983 states. [2022-02-09 18:58:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:21,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:58:21,088 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 18:58:21,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-02-09 18:58:21,265 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:58:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:58:21,265 INFO L85 PathProgramCache]: Analyzing trace with hash 285344213, now seen corresponding path program 8 times [2022-02-09 18:58:21,265 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:58:21,265 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869769524] [2022-02-09 18:58:21,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:58:21,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:58:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:58:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 961 proven. 840 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-02-09 18:58:22,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:58:22,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869769524] [2022-02-09 18:58:22,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869769524] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:58:22,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215759121] [2022-02-09 18:58:22,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 18:58:22,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:58:22,444 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:58:22,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-09 18:58:22,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 18:58:22,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:58:22,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 66 conjunts are in the unsatisfiable core [2022-02-09 18:58:22,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:58:25,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 790 proven. 1134 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2022-02-09 18:58:25,570 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:58:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 3224 backedges. 796 proven. 1128 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2022-02-09 18:58:29,295 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215759121] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:58:29,295 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:58:29,295 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 66, 66] total 186 [2022-02-09 18:58:29,295 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463091985] [2022-02-09 18:58:29,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:58:29,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 187 states [2022-02-09 18:58:29,296 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:58:29,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2022-02-09 18:58:29,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4091, Invalid=30691, Unknown=0, NotChecked=0, Total=34782 [2022-02-09 18:58:29,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:29,305 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:58:29,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 187 states, 187 states have (on average 2.267379679144385) internal successors, (424), 186 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 18:58:29,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:29,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:29,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:29,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:29,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:29,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:29,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:58:29,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:42,867 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1410 transitions and produced 1053 states. [2022-02-09 18:58:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:42,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:42,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:42,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:58:42,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:58:42,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-09 18:58:43,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:43,069 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:58:43,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:58:43,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1471872203, now seen corresponding path program 9 times [2022-02-09 18:58:43,069 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:58:43,069 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206147497] [2022-02-09 18:58:43,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:58:43,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:58:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:58:43,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3972 backedges. 999 proven. 912 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-02-09 18:58:43,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:58:43,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206147497] [2022-02-09 18:58:43,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206147497] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:58:43,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311335356] [2022-02-09 18:58:43,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 18:58:43,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:58:43,528 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:58:43,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-09 18:58:43,646 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2022-02-09 18:58:43,646 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:58:43,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 66 conjunts are in the unsatisfiable core [2022-02-09 18:58:43,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:58:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3972 backedges. 847 proven. 1077 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2022-02-09 18:58:46,610 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:58:50,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3972 backedges. 1018 proven. 906 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2022-02-09 18:58:50,378 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311335356] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:58:50,379 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:58:50,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 67, 67] total 160 [2022-02-09 18:58:50,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192643795] [2022-02-09 18:58:50,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:58:50,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2022-02-09 18:58:50,379 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:58:50,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2022-02-09 18:58:50,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5226, Invalid=20214, Unknown=0, NotChecked=0, Total=25440 [2022-02-09 18:58:50,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:50,381 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:58:50,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 2.64375) internal successors, (423), 160 states have internal predecessors, (423), 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 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:58:50,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:53,397 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1441 transitions and produced 1079 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:58:53,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 18:58:53,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-09 18:58:53,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-09 18:58:53,599 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:58:53,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:58:53,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1171873597, now seen corresponding path program 10 times [2022-02-09 18:58:53,599 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:58:53,599 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304781665] [2022-02-09 18:58:53,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:58:53,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:58:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:58:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 1339 proven. 1024 refuted. 0 times theorem prover too weak. 1865 trivial. 0 not checked. [2022-02-09 18:58:54,884 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:58:54,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304781665] [2022-02-09 18:58:54,884 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304781665] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:58:54,884 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709205666] [2022-02-09 18:58:54,884 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 18:58:54,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:58:54,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:58:54,885 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:58:54,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-09 18:58:54,985 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 18:58:54,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:58:54,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 68 conjunts are in the unsatisfiable core [2022-02-09 18:58:54,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:58:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 1278 proven. 1024 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2022-02-09 18:58:57,773 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:58:58,195 INFO L134 CoverageAnalysis]: Checked inductivity of 4228 backedges. 1278 proven. 1024 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2022-02-09 18:58:58,195 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709205666] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:58:58,195 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:58:58,195 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 68, 68] total 135 [2022-02-09 18:58:58,195 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10230862] [2022-02-09 18:58:58,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:58:58,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2022-02-09 18:58:58,196 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:58:58,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2022-02-09 18:58:58,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3537, Invalid=14823, Unknown=0, NotChecked=0, Total=18360 [2022-02-09 18:58:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:58,197 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:58:58,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 2.323529411764706) internal successors, (316), 135 states have internal predecessors, (316), 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 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 18:58:58,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:58:59,737 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1521 transitions and produced 1137 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:58:59,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:58:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 18:58:59,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-09 18:58:59,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-09 18:58:59,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-02-09 18:58:59,939 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:58:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:58:59,940 INFO L85 PathProgramCache]: Analyzing trace with hash -309122877, now seen corresponding path program 11 times [2022-02-09 18:58:59,940 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:58:59,940 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956399895] [2022-02-09 18:58:59,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:58:59,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:59:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:59:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4573 backedges. 2629 proven. 1099 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-02-09 18:59:03,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:59:03,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956399895] [2022-02-09 18:59:03,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956399895] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:59:03,453 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296000449] [2022-02-09 18:59:03,453 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 18:59:03,453 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:59:03,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:59:03,454 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:59:03,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-09 18:59:03,588 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 38 check-sat command(s) [2022-02-09 18:59:03,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:59:03,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 73 conjunts are in the unsatisfiable core [2022-02-09 18:59:03,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:59:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4573 backedges. 1095 proven. 1298 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2022-02-09 18:59:08,507 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:59:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4573 backedges. 1101 proven. 1292 refuted. 0 times theorem prover too weak. 2180 trivial. 0 not checked. [2022-02-09 18:59:14,334 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296000449] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:59:14,334 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:59:14,334 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 73, 73] total 248 [2022-02-09 18:59:14,334 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379075925] [2022-02-09 18:59:14,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:59:14,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 249 states [2022-02-09 18:59:14,352 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:59:14,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 249 interpolants. [2022-02-09 18:59:14,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6198, Invalid=55554, Unknown=0, NotChecked=0, Total=61752 [2022-02-09 18:59:14,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:59:14,357 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:59:14,357 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 249 states, 249 states have (on average 2.1686746987951806) internal successors, (540), 248 states have internal predecessors, (540), 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 18:59:14,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:59:14,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:59:14,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:59:14,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:59:14,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:59:14,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:59:14,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:59:14,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:59:14,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 18:59:14,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-09 18:59:14,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:59:36,199 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1586 transitions and produced 1167 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:59:36,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:59:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 18:59:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-09 18:59:36,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2022-02-09 18:59:36,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-02-09 18:59:36,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-09 18:59:36,401 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 18:59:36,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 18:59:36,401 INFO L85 PathProgramCache]: Analyzing trace with hash 107684561, now seen corresponding path program 12 times [2022-02-09 18:59:36,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 18:59:36,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554726878] [2022-02-09 18:59:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 18:59:36,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 18:59:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 18:59:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4918 backedges. 2769 proven. 1308 refuted. 0 times theorem prover too weak. 841 trivial. 0 not checked. [2022-02-09 18:59:40,505 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 18:59:40,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554726878] [2022-02-09 18:59:40,505 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554726878] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 18:59:40,505 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112790578] [2022-02-09 18:59:40,505 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-02-09 18:59:40,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 18:59:40,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 18:59:40,506 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 18:59:40,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-02-09 18:59:40,658 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2022-02-09 18:59:40,658 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 18:59:40,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-09 18:59:40,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 18:59:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4918 backedges. 1473 proven. 1235 refuted. 0 times theorem prover too weak. 2210 trivial. 0 not checked. [2022-02-09 18:59:45,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 18:59:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4918 backedges. 1473 proven. 1235 refuted. 0 times theorem prover too weak. 2210 trivial. 0 not checked. [2022-02-09 18:59:51,906 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112790578] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 18:59:51,906 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 18:59:51,907 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [113, 74, 74] total 258 [2022-02-09 18:59:51,907 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21439567] [2022-02-09 18:59:51,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 18:59:51,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 259 states [2022-02-09 18:59:51,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 18:59:51,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 259 interpolants. [2022-02-09 18:59:51,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7244, Invalid=59578, Unknown=0, NotChecked=0, Total=66822 [2022-02-09 18:59:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 18:59:51,911 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 18:59:51,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 259 states, 259 states have (on average 2.2393822393822393) internal successors, (580), 258 states have internal predecessors, (580), 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 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2022-02-09 18:59:51,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:00:15,582 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1676 transitions and produced 1229 states. [2022-02-09 19:00:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:00:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:00:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:00:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:00:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:00:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:00:15,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:00:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:00:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:00:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:00:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2022-02-09 19:00:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:00:15,601 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-02-09 19:00:15,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-09 19:00:15,784 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:00:15,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:00:15,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1140761573, now seen corresponding path program 13 times [2022-02-09 19:00:15,784 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:00:15,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763080097] [2022-02-09 19:00:15,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:00:15,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:00:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:00:17,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5698 backedges. 1296 proven. 1583 refuted. 0 times theorem prover too weak. 2819 trivial. 0 not checked. [2022-02-09 19:00:17,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:00:17,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763080097] [2022-02-09 19:00:17,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763080097] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:00:17,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387882914] [2022-02-09 19:00:17,637 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-02-09 19:00:17,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:00:17,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:00:17,638 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:00:17,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-02-09 19:00:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:00:17,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 78 conjunts are in the unsatisfiable core [2022-02-09 19:00:17,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:00:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5698 backedges. 1894 proven. 1369 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-02-09 19:00:22,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:00:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5698 backedges. 1894 proven. 1369 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-02-09 19:00:27,801 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387882914] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:00:27,801 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:00:27,801 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 78, 78] total 227 [2022-02-09 19:00:27,801 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899072551] [2022-02-09 19:00:27,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:00:27,802 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 228 states [2022-02-09 19:00:27,802 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:00:27,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 228 interpolants. [2022-02-09 19:00:27,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6012, Invalid=45744, Unknown=0, NotChecked=0, Total=51756 [2022-02-09 19:00:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:00:27,806 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:00:27,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 228 states, 228 states have (on average 2.232456140350877) internal successors, (509), 227 states have internal predecessors, (509), 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 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:00:27,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:00:42,618 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1776 transitions and produced 1310 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:00:42,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:00:42,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:00:42,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-02-09 19:00:42,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:00:42,831 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:00:42,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:00:42,832 INFO L85 PathProgramCache]: Analyzing trace with hash 119920181, now seen corresponding path program 14 times [2022-02-09 19:00:42,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:00:42,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642701110] [2022-02-09 19:00:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:00:42,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:00:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:00:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 3824 proven. 1454 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-02-09 19:00:48,033 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:00:48,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642701110] [2022-02-09 19:00:48,033 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642701110] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:00:48,033 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136280955] [2022-02-09 19:00:48,033 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-09 19:00:48,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:00:48,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:00:48,035 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:00:48,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-02-09 19:00:48,167 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-09 19:00:48,167 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:00:48,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 83 conjunts are in the unsatisfiable core [2022-02-09 19:00:48,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:00:54,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 1450 proven. 1683 refuted. 0 times theorem prover too weak. 3305 trivial. 0 not checked. [2022-02-09 19:00:54,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:01:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 6438 backedges. 1456 proven. 1677 refuted. 0 times theorem prover too weak. 3305 trivial. 0 not checked. [2022-02-09 19:01:02,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136280955] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:01:02,458 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:01:02,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 83, 83] total 288 [2022-02-09 19:01:02,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134395740] [2022-02-09 19:01:02,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:01:02,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 289 states [2022-02-09 19:01:02,459 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:01:02,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 289 interpolants. [2022-02-09 19:01:02,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8188, Invalid=75044, Unknown=0, NotChecked=0, Total=83232 [2022-02-09 19:01:02,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:01:02,465 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:01:02,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 289 states, 289 states have (on average 2.1453287197231834) internal successors, (620), 288 states have internal predecessors, (620), 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 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:01:02,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:01:29,102 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1841 transitions and produced 1340 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:01:29,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:01:29,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-02-09 19:01:29,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:01:29,306 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:01:29,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:01:29,307 INFO L85 PathProgramCache]: Analyzing trace with hash -248523325, now seen corresponding path program 15 times [2022-02-09 19:01:29,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:01:29,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969500032] [2022-02-09 19:01:29,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:01:29,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:01:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:01:31,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6833 backedges. 1681 proven. 1938 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-09 19:01:31,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:01:31,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969500032] [2022-02-09 19:01:31,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969500032] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:01:31,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185124187] [2022-02-09 19:01:31,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-09 19:01:31,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:01:31,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:01:31,468 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:01:31,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-02-09 19:01:31,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 43 check-sat command(s) [2022-02-09 19:01:31,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:01:31,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 83 conjunts are in the unsatisfiable core [2022-02-09 19:01:31,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:01:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6833 backedges. 1681 proven. 1938 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-09 19:01:36,499 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:01:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6833 backedges. 1764 proven. 1855 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-09 19:01:39,502 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185124187] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:01:39,502 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:01:39,502 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 83, 83] total 213 [2022-02-09 19:01:39,503 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210418999] [2022-02-09 19:01:39,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:01:39,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 214 states [2022-02-09 19:01:39,503 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:01:39,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 214 interpolants. [2022-02-09 19:01:39,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=37197, Unknown=0, NotChecked=0, Total=45582 [2022-02-09 19:01:39,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:01:39,509 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:01:39,509 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 214 states, 214 states have (on average 2.3130841121495327) internal successors, (495), 213 states have internal predecessors, (495), 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 19:01:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:01:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:01:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:01:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:01:39,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:01:39,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:01:51,385 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1871 transitions and produced 1366 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:01:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:01:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:01:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:01:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:01:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:01:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-02-09 19:01:51,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-02-09 19:01:51,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-02-09 19:01:51,604 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:01:51,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:01:51,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1755909327, now seen corresponding path program 16 times [2022-02-09 19:01:51,604 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:01:51,604 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048037125] [2022-02-09 19:01:51,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:01:51,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:01:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:01:54,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7313 backedges. 2098 proven. 2001 refuted. 0 times theorem prover too weak. 3214 trivial. 0 not checked. [2022-02-09 19:01:54,003 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:01:54,003 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048037125] [2022-02-09 19:01:54,004 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048037125] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:01:54,004 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793539798] [2022-02-09 19:01:54,004 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-02-09 19:01:54,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:01:54,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:01:54,005 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:01:54,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-02-09 19:01:54,124 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-02-09 19:01:54,124 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:01:54,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 88 conjunts are in the unsatisfiable core [2022-02-09 19:01:54,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:01:59,431 INFO L134 CoverageAnalysis]: Checked inductivity of 7313 backedges. 2102 proven. 1764 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2022-02-09 19:01:59,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:02:06,215 INFO L134 CoverageAnalysis]: Checked inductivity of 7313 backedges. 2102 proven. 1764 refuted. 0 times theorem prover too weak. 3447 trivial. 0 not checked. [2022-02-09 19:02:06,215 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793539798] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:02:06,216 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:02:06,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [90, 88, 88] total 262 [2022-02-09 19:02:06,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243628459] [2022-02-09 19:02:06,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:02:06,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 263 states [2022-02-09 19:02:06,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:02:06,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 263 interpolants. [2022-02-09 19:02:06,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7719, Invalid=61187, Unknown=0, NotChecked=0, Total=68906 [2022-02-09 19:02:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:02:06,221 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:02:06,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 263 states, 263 states have (on average 2.220532319391635) internal successors, (584), 262 states have internal predecessors, (584), 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 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-02-09 19:02:06,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:02:19,560 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1946 transitions and produced 1422 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 321 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2022-02-09 19:02:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2022-02-09 19:02:19,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-02-09 19:02:19,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-09 19:02:19,762 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-09 19:02:19,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 19:02:19,762 INFO L85 PathProgramCache]: Analyzing trace with hash 104908501, now seen corresponding path program 17 times [2022-02-09 19:02:19,763 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 19:02:19,763 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49200193] [2022-02-09 19:02:19,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 19:02:19,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 19:02:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 19:02:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 2335 proven. 2112 refuted. 0 times theorem prover too weak. 3311 trivial. 0 not checked. [2022-02-09 19:02:21,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 19:02:21,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49200193] [2022-02-09 19:02:21,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49200193] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 19:02:21,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316632750] [2022-02-09 19:02:21,952 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-02-09 19:02:21,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 19:02:21,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 19:02:21,953 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 19:02:21,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-02-09 19:02:22,116 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 48 check-sat command(s) [2022-02-09 19:02:22,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-09 19:02:22,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 94 conjunts are in the unsatisfiable core [2022-02-09 19:02:22,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 19:02:27,668 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 2359 proven. 2118 refuted. 0 times theorem prover too weak. 3281 trivial. 0 not checked. [2022-02-09 19:02:27,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 19:02:34,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7758 backedges. 2359 proven. 2118 refuted. 0 times theorem prover too weak. 3281 trivial. 0 not checked. [2022-02-09 19:02:34,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316632750] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 19:02:34,248 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 19:02:34,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [89, 94, 94] total 275 [2022-02-09 19:02:34,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824640678] [2022-02-09 19:02:34,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 19:02:34,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 275 states [2022-02-09 19:02:34,249 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 19:02:34,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 275 interpolants. [2022-02-09 19:02:34,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8931, Invalid=66419, Unknown=0, NotChecked=0, Total=75350 [2022-02-09 19:02:34,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 19:02:34,255 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 19:02:34,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 275 states, 275 states have (on average 2.272727272727273) internal successors, (625), 275 states have internal predecessors, (625), 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 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 571 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 238 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 321 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 169 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2022-02-09 19:02:34,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-09 19:08:45,625 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 19:08:45,626 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 19:08:45,626 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-02-09 19:08:45,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-02-09 19:08:45,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-09 19:08:45,853 WARN L594 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1845 known predicates. [2022-02-09 19:08:45,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2022-02-09 19:08:45,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 5 remaining) [2022-02-09 19:08:45,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (2 of 5 remaining) [2022-02-09 19:08:45,855 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (1 of 5 remaining) [2022-02-09 19:08:45,856 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (0 of 5 remaining) [2022-02-09 19:08:45,860 INFO L732 BasicCegarLoop]: Path program histogram: [17] [2022-02-09 19:08:45,861 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-09 19:08:45,861 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-09 19:08:45,863 INFO L202 PluginConnector]: Adding new model counter-determinism.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 07:08:45 BasicIcfg [2022-02-09 19:08:45,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-09 19:08:45,863 INFO L158 Benchmark]: Toolchain (without parser) took 706930.67ms. Allocated memory was 172.0MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 130.7MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-02-09 19:08:45,863 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-09 19:08:45,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.45ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 129.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:08:45,864 INFO L158 Benchmark]: Boogie Preprocessor took 17.80ms. Allocated memory is still 172.0MB. Free memory was 129.1MB in the beginning and 128.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-09 19:08:45,864 INFO L158 Benchmark]: RCFGBuilder took 247.49ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 118.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-09 19:08:45,864 INFO L158 Benchmark]: TraceAbstraction took 706644.72ms. Allocated memory was 172.0MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 117.7MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-02-09 19:08:45,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.09ms. Allocated memory is still 172.0MB. Free memory is still 131.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 17.45ms. Allocated memory is still 172.0MB. Free memory was 130.7MB in the beginning and 129.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.80ms. Allocated memory is still 172.0MB. Free memory was 129.1MB in the beginning and 128.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 247.49ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 118.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 706644.72ms. Allocated memory was 172.0MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 117.7MB in the beginning and 4.5GB in the end (delta: -4.4GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1845 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1845 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1845 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1845 known predicates. - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1845 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 56 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 706.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 554.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=435occurred in iteration=0, InterpolantAutomatonStates: 5156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 145.3s InterpolantComputationTime, 8894 NumberOfCodeBlocks, 8818 NumberOfCodeBlocksAsserted, 301 NumberOfCheckSat, 13290 ConstructedInterpolants, 0 QuantifiedInterpolants, 87985 SizeOfPredicates, 98 NumberOfNonLiveVariables, 11874 ConjunctsInSsa, 1040 ConjunctsInUnsatCore, 51 InterpolantComputations, 0 PerfectInterpolantSequences, 154233/204333 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