/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 20 --traceabstraction.coinflip.random.seed 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/acq-work-4threads.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 02:39:07,766 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-06 02:39:07,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-06 02:39:07,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-06 02:39:07,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 02:39:07,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 02:39:07,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 02:39:07,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 02:39:07,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 02:39:07,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 02:39:07,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 02:39:07,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 02:39:07,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 02:39:07,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 02:39:07,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 02:39:07,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 02:39:07,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-06 02:39:07,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-06 02:39:07,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-06 02:39:07,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-06 02:39:07,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-06 02:39:07,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-10-06 02:39:07,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 02:39:07,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 02:39:07,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 02:39:07,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 02:39:07,914 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 02:39:07,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 02:39:07,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 02:39:07,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 02:39:07,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 02:39:07,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 02:39:07,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 02:39:07,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 02:39:07,920 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 02:39:07,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 02:39:07,921 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 02:39:07,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 02:39:07,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 02:39:07,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 02:39:07,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 02:39:07,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 02:39:07,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 02:39:07,922 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 02:39:07,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 02:39:07,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 02:39:07,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 02:39:07,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 02:39:07,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 02:39:07,922 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 02:39:07,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 02:39:07,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 02:39:07,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 02:39:07,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 02:39:07,923 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 02:39:07,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 02:39:07,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 02:39:07,924 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 02:39:07,924 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 02:39:07,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 02:39:07,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 02:39:07,924 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 02:39:07,925 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 02:39:07,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 02:39:07,925 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 02:39:07,925 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 02:39:08,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 02:39:08,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 02:39:08,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 02:39:08,331 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 02:39:08,332 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 02:39:08,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/acq-work-4threads.bpl [2022-10-06 02:39:08,334 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/acq-work-4threads.bpl' [2022-10-06 02:39:08,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 02:39:08,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 02:39:08,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 02:39:08,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 02:39:08,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 02:39:08,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,406 INFO L138 Inliner]: procedures = 4, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-10-06 02:39:08,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 02:39:08,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 02:39:08,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 02:39:08,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 02:39:08,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 02:39:08,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 02:39:08,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 02:39:08,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 02:39:08,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/1) ... [2022-10-06 02:39:08,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 02:39:08,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:39:08,457 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) [2022-10-06 02:39:08,463 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 [2022-10-06 02:39:08,504 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 02:39:08,505 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 02:39:08,505 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 02:39:08,506 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 02:39:08,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 02:39:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 02:39:08,507 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1WithAssert given in one single declaration [2022-10-06 02:39:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure thread1WithAssert [2022-10-06 02:39:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1WithAssert [2022-10-06 02:39:08,509 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 02:39:08,557 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 02:39:08,559 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 02:39:08,724 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 02:39:08,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 02:39:08,748 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-06 02:39:08,750 INFO L202 PluginConnector]: Adding new model acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 02:39:08 BoogieIcfgContainer [2022-10-06 02:39:08,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 02:39:08,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 02:39:08,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 02:39:08,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 02:39:08,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:39:08" (1/2) ... [2022-10-06 02:39:08,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10609a3f and model type acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 02:39:08, skipping insertion in model container [2022-10-06 02:39:08,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "acq-work-4threads.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 02:39:08" (2/2) ... [2022-10-06 02:39:08,759 INFO L112 eAbstractionObserver]: Analyzing ICFG acq-work-4threads.bpl [2022-10-06 02:39:08,766 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 02:39:08,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 02:39:08,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 02:39:08,776 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 02:39:08,848 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-06 02:39:08,888 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 02:39:08,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 02:39:08,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:39:08,891 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) [2022-10-06 02:39:08,931 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 [2022-10-06 02:39:08,971 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:08,998 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 02:39:08,998 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 02:39:08,998 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 02:39:09,010 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 02:39:09,025 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cae0594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:09,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 02:39:09,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 02:39:09,246 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 02:39:09,251 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/6) [2022-10-06 02:39:09,269 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 02:39:09,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 02:39:09,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:39:09,275 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 02:39:09,285 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:09,287 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 02:39:09,287 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 02:39:09,287 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 02:39:09,288 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 02:39:09,288 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cae0594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:09,289 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 02:39:09,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-06 02:39:10,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 02:39:10,787 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 02:39:10,787 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/6) [2022-10-06 02:39:10,797 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 02:39:10,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 02:39:10,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:39:10,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 02:39:10,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-06 02:39:10,805 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,806 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 02:39:10,806 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 02:39:10,806 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 02:39:10,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 02:39:10,807 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cae0594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 02:39:10,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 02:39:10,938 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 02:39:10,938 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/6) [2022-10-06 02:39:10,945 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 02:39:10,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 02:39:10,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:39:10,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 02:39:10,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-06 02:39:10,953 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,954 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 02:39:10,954 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 02:39:10,955 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 02:39:10,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 02:39:10,955 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cae0594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 02:39:10,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 02:39:10,957 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 02:39:10,957 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/6) [2022-10-06 02:39:10,959 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 02:39:10,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 02:39:10,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:39:10,961 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 02:39:10,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-06 02:39:10,965 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,966 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 02:39:10,966 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 02:39:10,966 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 02:39:10,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1WithAssertErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 02:39:10,966 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cae0594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,967 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 02:39:10,967 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-06 02:39:10,967 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1WithAssertErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 02:39:10,968 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 02:39:10,968 INFO L307 ceAbstractionStarter]: Result for error location thread1WithAssertErr0ASSERT_VIOLATIONASSERT was SAFE (5/6) [2022-10-06 02:39:10,970 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 02:39:10,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 02:39:10,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:39:10,975 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 02:39:10,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-10-06 02:39:10,984 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,985 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 02:39:10,986 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 02:39:10,986 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 02:39:10,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1WithAssertErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 02:39:10,986 INFO L357 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, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cae0594, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:39:10,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 02:39:11,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:11,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:11,064 INFO L85 PathProgramCache]: Analyzing trace with hash -370313929, now seen corresponding path program 1 times [2022-10-06 02:39:11,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:11,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896860633] [2022-10-06 02:39:11,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:11,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 02:39:11,269 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:11,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896860633] [2022-10-06 02:39:11,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896860633] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-06 02:39:11,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-06 02:39:11,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-06 02:39:11,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068087528] [2022-10-06 02:39:11,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-06 02:39:11,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-06 02:39:11,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-06 02:39:11,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-06 02:39:11,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:11,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:11,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-10-06 02:39:11,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:11,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:11,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 02:39:11,470 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:11,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:11,470 INFO L85 PathProgramCache]: Analyzing trace with hash -848318182, now seen corresponding path program 1 times [2022-10-06 02:39:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:11,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206995783] [2022-10-06 02:39:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 54 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-06 02:39:12,030 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:12,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206995783] [2022-10-06 02:39:12,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206995783] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:12,030 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:12,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2022-10-06 02:39:12,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994452362] [2022-10-06 02:39:12,031 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:12,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-06 02:39:12,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:12,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-06 02:39:12,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2022-10-06 02:39:12,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:12,036 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:12,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.235294117647059) internal successors, (106), 17 states have internal predecessors, (106), 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) [2022-10-06 02:39:12,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:12,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:12,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:12,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 02:39:12,793 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:12,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:12,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1897012438, now seen corresponding path program 1 times [2022-10-06 02:39:12,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:12,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26483334] [2022-10-06 02:39:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-10-06 02:39:13,277 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:13,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26483334] [2022-10-06 02:39:13,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26483334] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:13,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:13,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-06 02:39:13,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697658480] [2022-10-06 02:39:13,278 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:13,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-06 02:39:13,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:13,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-06 02:39:13,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-06 02:39:13,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:13,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:13,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.166666666666667) internal successors, (62), 12 states have internal predecessors, (62), 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) [2022-10-06 02:39:13,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:13,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:13,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:13,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:13,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 02:39:13,977 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:13,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:13,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1158328684, now seen corresponding path program 1 times [2022-10-06 02:39:13,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:13,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624838992] [2022-10-06 02:39:13,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:13,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 961 backedges. 432 proven. 85 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-10-06 02:39:14,475 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:14,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624838992] [2022-10-06 02:39:14,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624838992] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:14,475 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:14,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2022-10-06 02:39:14,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062451057] [2022-10-06 02:39:14,475 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:14,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-06 02:39:14,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:14,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-06 02:39:14,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2022-10-06 02:39:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:14,477 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:14,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.888888888888889) internal successors, (142), 18 states have internal predecessors, (142), 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) [2022-10-06 02:39:14,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:14,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:14,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:14,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:15,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 02:39:15,121 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:15,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:15,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1514958376, now seen corresponding path program 1 times [2022-10-06 02:39:15,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:15,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254462968] [2022-10-06 02:39:15,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 252 proven. 90 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2022-10-06 02:39:15,423 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:15,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254462968] [2022-10-06 02:39:15,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254462968] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:15,423 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:15,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-06 02:39:15,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006611458] [2022-10-06 02:39:15,423 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:15,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-06 02:39:15,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:15,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-06 02:39:15,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-06 02:39:15,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:15,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:15,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 12 states have internal predecessors, (82), 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) [2022-10-06 02:39:15,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:15,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:15,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:15,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:15,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:16,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 02:39:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-06 02:39:16,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 02:39:16,317 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:16,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:16,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1532947336, now seen corresponding path program 1 times [2022-10-06 02:39:16,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:16,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214645348] [2022-10-06 02:39:16,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:16,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 74 proven. 180 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-10-06 02:39:16,503 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:16,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214645348] [2022-10-06 02:39:16,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214645348] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:16,503 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:16,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 02:39:16,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773865852] [2022-10-06 02:39:16,504 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:16,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 02:39:16,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:16,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 02:39:16,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-06 02:39:16,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:16,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:16,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 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) [2022-10-06 02:39:16,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:16,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 02:39:16,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:16,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:16,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2022-10-06 02:39:16,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 02:39:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-06 02:39:16,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:16,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 02:39:16,690 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:16,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:16,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1872831804, now seen corresponding path program 2 times [2022-10-06 02:39:16,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:16,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198744324] [2022-10-06 02:39:16,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:16,847 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 56 proven. 63 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2022-10-06 02:39:16,847 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:16,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198744324] [2022-10-06 02:39:16,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198744324] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:16,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:16,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 02:39:16,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431503877] [2022-10-06 02:39:16,848 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:16,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 02:39:16,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:16,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 02:39:16,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-10-06 02:39:16,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:16,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:16,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 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) [2022-10-06 02:39:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 02:39:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-06 02:39:16,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:16,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:16,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-06 02:39:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-06 02:39:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:17,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-06 02:39:17,001 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:17,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:17,001 INFO L85 PathProgramCache]: Analyzing trace with hash -569266878, now seen corresponding path program 3 times [2022-10-06 02:39:17,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:17,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283898061] [2022-10-06 02:39:17,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:17,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:17,305 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 176 proven. 190 refuted. 0 times theorem prover too weak. 588 trivial. 0 not checked. [2022-10-06 02:39:17,306 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:17,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283898061] [2022-10-06 02:39:17,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283898061] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:17,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:17,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-06 02:39:17,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606375925] [2022-10-06 02:39:17,306 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:17,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 02:39:17,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:17,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 02:39:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-10-06 02:39:17,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:17,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:17,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.428571428571429) internal successors, (90), 14 states have internal predecessors, (90), 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) [2022-10-06 02:39:17,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-06 02:39:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-06 02:39:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:18,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-06 02:39:18,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-06 02:39:18,341 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:18,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:18,341 INFO L85 PathProgramCache]: Analyzing trace with hash 913133240, now seen corresponding path program 2 times [2022-10-06 02:39:18,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:18,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825974029] [2022-10-06 02:39:18,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:18,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1408 backedges. 44 proven. 643 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2022-10-06 02:39:18,585 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:18,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825974029] [2022-10-06 02:39:18,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825974029] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:18,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:18,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 02:39:18,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158095427] [2022-10-06 02:39:18,586 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:18,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-06 02:39:18,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:18,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-06 02:39:18,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-06 02:39:18,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:18,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:18,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.75) internal successors, (86), 9 states have internal predecessors, (86), 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) [2022-10-06 02:39:18,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-06 02:39:18,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:18,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:18,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:18,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-06 02:39:18,761 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:18,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:18,761 INFO L85 PathProgramCache]: Analyzing trace with hash -2128942548, now seen corresponding path program 3 times [2022-10-06 02:39:18,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:18,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964457729] [2022-10-06 02:39:18,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 16 proven. 894 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-10-06 02:39:19,043 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:19,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964457729] [2022-10-06 02:39:19,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964457729] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:19,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:19,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-06 02:39:19,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806819320] [2022-10-06 02:39:19,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:19,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-06 02:39:19,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:19,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-06 02:39:19,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-10-06 02:39:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:19,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:19,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.6923076923076925) internal successors, (100), 13 states have internal predecessors, (100), 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) [2022-10-06 02:39:19,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:19,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:19,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:20,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:20,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:20,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-06 02:39:20,019 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:20,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:20,019 INFO L85 PathProgramCache]: Analyzing trace with hash -408076064, now seen corresponding path program 4 times [2022-10-06 02:39:20,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:20,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510162280] [2022-10-06 02:39:20,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:20,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2527 backedges. 915 proven. 783 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-10-06 02:39:20,394 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:20,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510162280] [2022-10-06 02:39:20,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510162280] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:20,394 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:20,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-06 02:39:20,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870988365] [2022-10-06 02:39:20,395 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:20,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 02:39:20,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 02:39:20,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-10-06 02:39:20,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:20,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:20,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.142857142857142) internal successors, (114), 14 states have internal predecessors, (114), 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) [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:20,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:21,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:39:21,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-10-06 02:39:21,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-06 02:39:21,628 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:21,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:21,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1242359642, now seen corresponding path program 5 times [2022-10-06 02:39:21,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:21,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770406506] [2022-10-06 02:39:21,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:21,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:21,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2115 backedges. 609 proven. 306 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2022-10-06 02:39:21,834 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:21,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770406506] [2022-10-06 02:39:21,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770406506] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:21,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:21,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 02:39:21,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792918053] [2022-10-06 02:39:21,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:21,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-06 02:39:21,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:21,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-06 02:39:21,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-06 02:39:21,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:21,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:21,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 9 states have internal predecessors, (97), 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) [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-10-06 02:39:21,837 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:22,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:39:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-10-06 02:39:22,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:22,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-06 02:39:22,218 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:22,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:22,218 INFO L85 PathProgramCache]: Analyzing trace with hash 289564014, now seen corresponding path program 6 times [2022-10-06 02:39:22,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:22,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450926744] [2022-10-06 02:39:22,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:22,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:22,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3618 backedges. 1854 proven. 385 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked. [2022-10-06 02:39:22,490 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:22,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450926744] [2022-10-06 02:39:22,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450926744] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:22,490 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:22,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 02:39:22,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539669584] [2022-10-06 02:39:22,491 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:22,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 02:39:22,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:22,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 02:39:22,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-10-06 02:39:22,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:22,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:22,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.555555555555555) internal successors, (113), 10 states have internal predecessors, (113), 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) [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:22,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:22,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:22,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-06 02:39:22,737 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:22,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash -232355160, now seen corresponding path program 7 times [2022-10-06 02:39:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:22,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376886202] [2022-10-06 02:39:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:22,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3852 backedges. 2246 proven. 271 refuted. 0 times theorem prover too weak. 1335 trivial. 0 not checked. [2022-10-06 02:39:23,007 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:23,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376886202] [2022-10-06 02:39:23,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376886202] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:23,007 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:23,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-06 02:39:23,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939595088] [2022-10-06 02:39:23,007 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:23,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-06 02:39:23,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:23,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-06 02:39:23,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-10-06 02:39:23,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:23,009 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:23,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.818181818181818) internal successors, (130), 12 states have internal predecessors, (130), 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) [2022-10-06 02:39:23,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:23,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:23,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:23,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-06 02:39:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:23,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-06 02:39:23,539 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:23,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:23,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1752171262, now seen corresponding path program 8 times [2022-10-06 02:39:23,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:23,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147106208] [2022-10-06 02:39:23,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:23,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:23,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 1108 proven. 157 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2022-10-06 02:39:23,811 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:23,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147106208] [2022-10-06 02:39:23,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147106208] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:23,811 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:23,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-06 02:39:23,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548995509] [2022-10-06 02:39:23,812 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:23,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-06 02:39:23,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:23,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-06 02:39:23,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-10-06 02:39:23,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:23,813 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:23,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 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) [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:23,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:24,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:24,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-06 02:39:24,806 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:24,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:24,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1763721196, now seen corresponding path program 9 times [2022-10-06 02:39:24,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:24,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56152394] [2022-10-06 02:39:24,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:24,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:26,197 INFO L134 CoverageAnalysis]: Checked inductivity of 22720 backedges. 4116 proven. 15032 refuted. 0 times theorem prover too weak. 3572 trivial. 0 not checked. [2022-10-06 02:39:26,197 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:26,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56152394] [2022-10-06 02:39:26,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56152394] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:26,200 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:26,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2022-10-06 02:39:26,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876872280] [2022-10-06 02:39:26,200 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:26,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-06 02:39:26,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:26,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-06 02:39:26,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2022-10-06 02:39:26,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:26,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:26,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 10.736842105263158) internal successors, (204), 19 states have internal predecessors, (204), 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) [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:26,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:26,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:26,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:26,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:26,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:26,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:30,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:30,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:30,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-10-06 02:39:30,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-06 02:39:30,796 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:30,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:30,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1920087430, now seen corresponding path program 10 times [2022-10-06 02:39:30,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:30,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495087700] [2022-10-06 02:39:30,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:30,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:31,582 INFO L134 CoverageAnalysis]: Checked inductivity of 31139 backedges. 22194 proven. 3845 refuted. 0 times theorem prover too weak. 5100 trivial. 0 not checked. [2022-10-06 02:39:31,582 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:31,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495087700] [2022-10-06 02:39:31,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495087700] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:31,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:31,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-06 02:39:31,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381994586] [2022-10-06 02:39:31,583 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:31,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-06 02:39:31,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:31,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-06 02:39:31,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2022-10-06 02:39:31,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:31,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:31,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.0) internal successors, (168), 13 states have internal predecessors, (168), 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) [2022-10-06 02:39:31,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:31,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-10-06 02:39:31,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2022-10-06 02:39:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:32,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-06 02:39:32,410 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:32,412 INFO L85 PathProgramCache]: Analyzing trace with hash 338387212, now seen corresponding path program 11 times [2022-10-06 02:39:32,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:32,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494753929] [2022-10-06 02:39:32,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:32,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:33,817 INFO L134 CoverageAnalysis]: Checked inductivity of 56426 backedges. 41505 proven. 8093 refuted. 0 times theorem prover too weak. 6828 trivial. 0 not checked. [2022-10-06 02:39:33,817 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:33,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494753929] [2022-10-06 02:39:33,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494753929] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:33,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:33,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-06 02:39:33,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578610269] [2022-10-06 02:39:33,818 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:33,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-06 02:39:33,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:33,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-06 02:39:33,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-10-06 02:39:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:33,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:33,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 15.333333333333334) internal successors, (230), 16 states have internal predecessors, (230), 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) [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:33,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2022-10-06 02:39:33,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:33,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:36,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2022-10-06 02:39:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:36,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-06 02:39:36,120 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:36,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:36,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1134941502, now seen corresponding path program 12 times [2022-10-06 02:39:36,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:36,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107651777] [2022-10-06 02:39:36,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:36,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 213148 backedges. 111282 proven. 75657 refuted. 0 times theorem prover too weak. 26209 trivial. 0 not checked. [2022-10-06 02:39:39,644 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:39,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107651777] [2022-10-06 02:39:39,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107651777] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:39,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:39,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-10-06 02:39:39,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363003046] [2022-10-06 02:39:39,645 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:39,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-06 02:39:39,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:39,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-06 02:39:39,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=175, Unknown=0, NotChecked=0, Total=272 [2022-10-06 02:39:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:39,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:39,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 15.1875) internal successors, (243), 17 states have internal predecessors, (243), 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) [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:39,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2022-10-06 02:39:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:39,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:42,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:42,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-06 02:39:42,630 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:42,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:42,630 INFO L85 PathProgramCache]: Analyzing trace with hash -311060210, now seen corresponding path program 13 times [2022-10-06 02:39:42,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:42,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267221614] [2022-10-06 02:39:42,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:42,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 285012 backedges. 171208 proven. 84882 refuted. 0 times theorem prover too weak. 28922 trivial. 0 not checked. [2022-10-06 02:39:46,631 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:46,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267221614] [2022-10-06 02:39:46,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267221614] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:46,631 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:46,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2022-10-06 02:39:46,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788618204] [2022-10-06 02:39:46,632 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:46,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-06 02:39:46,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:46,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-06 02:39:46,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=216, Unknown=0, NotChecked=0, Total=342 [2022-10-06 02:39:46,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:46,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:46,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 16.333333333333332) internal successors, (294), 19 states have internal predecessors, (294), 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) [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:46,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:46,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:47,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2022-10-06 02:39:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:47,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:47,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-06 02:39:47,305 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:47,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:47,306 INFO L85 PathProgramCache]: Analyzing trace with hash 830174810, now seen corresponding path program 14 times [2022-10-06 02:39:47,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:47,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732652994] [2022-10-06 02:39:47,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:47,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:47,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 218 proven. 2765 refuted. 0 times theorem prover too weak. 1673 trivial. 0 not checked. [2022-10-06 02:39:47,595 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:47,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732652994] [2022-10-06 02:39:47,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732652994] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:47,596 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:47,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 02:39:47,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786859564] [2022-10-06 02:39:47,596 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:47,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 02:39:47,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:47,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 02:39:47,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-06 02:39:47,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:47,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:47,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 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) [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:47,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2022-10-06 02:39:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:47,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:47,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:47,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-06 02:39:47,993 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:47,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:47,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1236471114, now seen corresponding path program 15 times [2022-10-06 02:39:47,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:47,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881002656] [2022-10-06 02:39:47,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:47,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:39:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5254 backedges. 413 proven. 3163 refuted. 0 times theorem prover too weak. 1678 trivial. 0 not checked. [2022-10-06 02:39:48,450 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:39:48,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881002656] [2022-10-06 02:39:48,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881002656] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:39:48,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:39:48,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-06 02:39:48,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621794480] [2022-10-06 02:39:48,451 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:39:48,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-06 02:39:48,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:39:48,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-06 02:39:48,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2022-10-06 02:39:48,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:48,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:39:48,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.733333333333333) internal successors, (131), 15 states have internal predecessors, (131), 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) [2022-10-06 02:39:48,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:48,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:48,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:48,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:48,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:48,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:39:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:39:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:39:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:39:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:39:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:39:53,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:39:53,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:39:53,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-06 02:39:53,489 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:39:53,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:39:53,490 INFO L85 PathProgramCache]: Analyzing trace with hash 2124511032, now seen corresponding path program 16 times [2022-10-06 02:39:53,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:39:53,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139634002] [2022-10-06 02:39:53,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:39:53,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:39:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:40:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 877717 backedges. 412658 proven. 385076 refuted. 0 times theorem prover too weak. 79983 trivial. 0 not checked. [2022-10-06 02:40:03,509 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:40:03,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139634002] [2022-10-06 02:40:03,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139634002] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:40:03,509 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:40:03,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2022-10-06 02:40:03,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818531709] [2022-10-06 02:40:03,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:40:03,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-06 02:40:03,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:40:03,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-06 02:40:03,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2022-10-06 02:40:03,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:03,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:40:03,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.736842105263158) internal successors, (318), 20 states have internal predecessors, (318), 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) [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:03,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:40:03,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:04,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 222 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:04,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-10-06 02:40:04,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:04,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-06 02:40:04,641 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:40:04,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:40:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1432050600, now seen corresponding path program 17 times [2022-10-06 02:40:04,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:40:04,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443583022] [2022-10-06 02:40:04,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:40:04,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:40:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:40:05,058 INFO L134 CoverageAnalysis]: Checked inductivity of 8613 backedges. 4183 proven. 506 refuted. 0 times theorem prover too weak. 3924 trivial. 0 not checked. [2022-10-06 02:40:05,058 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:40:05,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443583022] [2022-10-06 02:40:05,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443583022] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:40:05,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:40:05,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-06 02:40:05,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609750441] [2022-10-06 02:40:05,059 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:40:05,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-06 02:40:05,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:40:05,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-06 02:40:05,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-10-06 02:40:05,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:05,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:40:05,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.384615384615385) internal successors, (109), 13 states have internal predecessors, (109), 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) [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 222 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-10-06 02:40:06,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:06,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:40:06,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-06 02:40:06,871 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:40:06,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:40:06,872 INFO L85 PathProgramCache]: Analyzing trace with hash 571864790, now seen corresponding path program 18 times [2022-10-06 02:40:06,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:40:06,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492191437] [2022-10-06 02:40:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:40:06,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:40:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:40:07,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5718 backedges. 1524 proven. 2251 refuted. 0 times theorem prover too weak. 1943 trivial. 0 not checked. [2022-10-06 02:40:07,223 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:40:07,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492191437] [2022-10-06 02:40:07,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492191437] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:40:07,223 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:40:07,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-06 02:40:07,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238718000] [2022-10-06 02:40:07,223 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:40:07,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 02:40:07,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:40:07,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 02:40:07,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-10-06 02:40:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:07,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:40:07,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.857142857142858) internal successors, (124), 14 states have internal predecessors, (124), 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) [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:07,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:40:07,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:08,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:40:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:40:08,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-06 02:40:08,615 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:40:08,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:40:08,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1576420248, now seen corresponding path program 19 times [2022-10-06 02:40:08,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:40:08,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326273367] [2022-10-06 02:40:08,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:40:08,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:40:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:40:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7420 backedges. 2968 proven. 1585 refuted. 0 times theorem prover too weak. 2867 trivial. 0 not checked. [2022-10-06 02:40:08,886 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:40:08,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326273367] [2022-10-06 02:40:08,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326273367] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:40:08,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:40:08,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 02:40:08,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277162203] [2022-10-06 02:40:08,887 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:40:08,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 02:40:08,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:40:08,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 02:40:08,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-06 02:40:08,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:08,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:40:08,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 12.666666666666666) internal successors, (114), 10 states have internal predecessors, (114), 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) [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:08,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:40:08,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:40:09,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:09,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-06 02:40:09,259 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:40:09,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:40:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1667966864, now seen corresponding path program 20 times [2022-10-06 02:40:09,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:40:09,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717718919] [2022-10-06 02:40:09,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:40:09,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:40:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:40:09,550 INFO L134 CoverageAnalysis]: Checked inductivity of 8187 backedges. 1090 proven. 25 refuted. 0 times theorem prover too weak. 7072 trivial. 0 not checked. [2022-10-06 02:40:09,550 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:40:09,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717718919] [2022-10-06 02:40:09,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717718919] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:40:09,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:40:09,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-06 02:40:09,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820553140] [2022-10-06 02:40:09,551 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:40:09,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-06 02:40:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:40:09,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-06 02:40:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2022-10-06 02:40:09,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:09,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:40:09,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.75) internal successors, (108), 15 states have internal predecessors, (108), 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) [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:09,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:09,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:19,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 232 states. [2022-10-06 02:40:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:19,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:19,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:19,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-06 02:40:19,011 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:40:19,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:40:19,012 INFO L85 PathProgramCache]: Analyzing trace with hash -727019117, now seen corresponding path program 21 times [2022-10-06 02:40:19,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:40:19,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232199979] [2022-10-06 02:40:19,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:40:19,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:40:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:40:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 932277 backedges. 552035 proven. 298069 refuted. 0 times theorem prover too weak. 82173 trivial. 0 not checked. [2022-10-06 02:40:30,062 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:40:30,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232199979] [2022-10-06 02:40:30,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232199979] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:40:30,063 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:40:30,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2022-10-06 02:40:30,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720928703] [2022-10-06 02:40:30,063 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:40:30,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-06 02:40:30,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:40:30,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-06 02:40:30,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=336, Unknown=0, NotChecked=0, Total=552 [2022-10-06 02:40:30,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:30,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:40:30,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 17.82608695652174) internal successors, (410), 24 states have internal predecessors, (410), 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) [2022-10-06 02:40:30,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 232 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:30,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:30,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:30,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:30,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:40:30,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2022-10-06 02:40:30,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:30,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:30,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-06 02:40:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-06 02:40:36,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 02:40:36,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-06 02:40:36,279 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:40:36,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:40:36,279 INFO L85 PathProgramCache]: Analyzing trace with hash 467616244, now seen corresponding path program 1 times [2022-10-06 02:40:36,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:40:36,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028235804] [2022-10-06 02:40:36,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:40:36,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:40:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:40:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7345 backedges. 78 proven. 4672 refuted. 0 times theorem prover too weak. 2595 trivial. 0 not checked. [2022-10-06 02:40:36,667 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:40:36,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028235804] [2022-10-06 02:40:36,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028235804] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:40:36,667 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:40:36,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-06 02:40:36,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110335010] [2022-10-06 02:40:36,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:40:36,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-06 02:40:36,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:40:36,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-06 02:40:36,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2022-10-06 02:40:36,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:36,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:40:36,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.428571428571429) internal successors, (118), 14 states have internal predecessors, (118), 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) [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:36,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 02:40:36,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:40:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 02:40:49,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-10-06 02:40:49,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-06 02:40:49,664 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread1WithAssertErr0ASSERT_VIOLATIONASSERT === [thread1WithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:40:49,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:40:49,666 INFO L85 PathProgramCache]: Analyzing trace with hash 964312206, now seen corresponding path program 2 times [2022-10-06 02:40:49,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:40:49,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245314844] [2022-10-06 02:40:49,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:40:49,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:40:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:41:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1750911 backedges. 57509 proven. 103 refuted. 0 times theorem prover too weak. 1693299 trivial. 0 not checked. [2022-10-06 02:41:04,817 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:41:04,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245314844] [2022-10-06 02:41:04,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245314844] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:41:04,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:41:04,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-06 02:41:04,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002306978] [2022-10-06 02:41:04,818 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:41:04,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-06 02:41:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:41:04,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-06 02:41:04,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-06 02:41:04,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:41:04,823 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:41:04,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 12 states have internal predecessors, (90), 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) [2022-10-06 02:41:04,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2022-10-06 02:41:04,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 233 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 02:41:04,825 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 02:41:04,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:41:04,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2022-10-06 02:41:04,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2022-10-06 02:41:04,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-06 02:41:04,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2022-10-06 02:41:04,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 02:41:04,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-10-06 02:41:04,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 02:41:04,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-10-06 02:41:04,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.