/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 15 --traceabstraction.coinflip.random.seed 13 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/work-steal2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 06:26:31,699 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 06:26:31,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 06:26:31,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 06:26:31,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 06:26:31,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 06:26:31,740 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 06:26:31,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 06:26:31,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 06:26:31,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 06:26:31,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 06:26:31,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 06:26:31,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 06:26:31,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 06:26:31,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-06 06:26:31,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 06:26:31,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 06:26:31,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 06:26:31,791 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 06:26:31,828 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 06:26:31,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 06:26:31,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 06:26:31,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 06:26:31,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 06:26:31,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 06:26:31,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 06:26:31,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 06:26:31,830 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 06:26:31,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 06:26:31,831 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 06:26:31,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 06:26:31,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 06:26:31,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 06:26:31,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 06:26:31,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 06:26:31,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 06:26:31,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 06:26:31,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 06:26:31,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 06:26:31,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 06:26:31,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 06:26:31,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 06:26:31,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 06:26:31,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 06:26:31,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 06:26:31,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 06:26:31,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 06:26:31,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 06:26:31,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 06:26:31,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 06:26:31,834 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 06:26:31,834 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 06:26:31,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 06:26:31,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 06:26:31,834 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 06:26:31,834 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 06:26:31,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 06:26:31,835 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 06:26:31,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 15 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 06:26:32,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 06:26:32,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 06:26:32,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 06:26:32,200 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 06:26:32,202 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 06:26:32,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/work-steal2.bpl [2022-10-06 06:26:32,206 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/work-steal2.bpl' [2022-10-06 06:26:32,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 06:26:32,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 06:26:32,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 06:26:32,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 06:26:32,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 06:26:32,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,264 INFO L138 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-10-06 06:26:32,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 06:26:32,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 06:26:32,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 06:26:32,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 06:26:32,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 06:26:32,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 06:26:32,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 06:26:32,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 06:26:32,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/1) ... [2022-10-06 06:26:32,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 06:26:32,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:26:32,313 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 06:26:32,322 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 06:26:32,352 INFO L124 BoogieDeclarations]: Specification and implementation of procedure workerWithAssert given in one single declaration [2022-10-06 06:26:32,352 INFO L130 BoogieDeclarations]: Found specification of procedure workerWithAssert [2022-10-06 06:26:32,352 INFO L138 BoogieDeclarations]: Found implementation of procedure workerWithAssert [2022-10-06 06:26:32,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 06:26:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 06:26:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 06:26:32,353 INFO L124 BoogieDeclarations]: Specification and implementation of procedure worker given in one single declaration [2022-10-06 06:26:32,353 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2022-10-06 06:26:32,353 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2022-10-06 06:26:32,354 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 06:26:32,398 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 06:26:32,400 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 06:26:32,568 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 06:26:32,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 06:26:32,627 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-06 06:26:32,632 INFO L202 PluginConnector]: Adding new model work-steal2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:26:32 BoogieIcfgContainer [2022-10-06 06:26:32,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 06:26:32,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 06:26:32,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 06:26:32,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 06:26:32,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:26:32" (1/2) ... [2022-10-06 06:26:32,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f7f4b0 and model type work-steal2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:26:32, skipping insertion in model container [2022-10-06 06:26:32,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "work-steal2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:26:32" (2/2) ... [2022-10-06 06:26:32,643 INFO L112 eAbstractionObserver]: Analyzing ICFG work-steal2.bpl [2022-10-06 06:26:32,651 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 06:26:32,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 06:26:32,659 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 06:26:32,660 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 06:26:32,747 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-06 06:26:32,791 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 06:26:32,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 06:26:32,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:26:32,794 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 06:26:32,796 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 06:26:32,825 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:32,854 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 06:26:32,854 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 06:26:32,854 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 06:26:32,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerWithAssertErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 06:26:32,873 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;@299f5e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:32,874 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 06:26:32,881 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-06 06:26:32,884 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerWithAssertErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-06 06:26:32,891 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 06:26:32,893 INFO L307 ceAbstractionStarter]: Result for error location workerWithAssertErr0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-10-06 06:26:32,904 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 06:26:32,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 06:26:32,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:26:32,906 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 06:26:32,908 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 06:26:32,912 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:32,914 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 06:26:32,914 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 06:26:32,915 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 06:26:32,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 06:26:32,916 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;@299f5e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:32,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 06:26:32,932 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 06:26:32,936 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 06:26:32,936 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-06 06:26:32,948 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 06:26:32,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 06:26:32,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:26:32,957 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 06:26:32,971 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:32,973 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 06:26:32,973 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 06:26:32,973 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 06:26:32,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-06 06:26:32,974 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;@299f5e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:32,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 06:26:32,995 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 06:26:33,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-06 06:26:33,031 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-06 06:26:33,031 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-10-06 06:26:33,033 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 06:26:33,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 06:26:33,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:26:33,041 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 06:26:33,044 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:33,046 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 06:26:33,046 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 06:26:33,046 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 06:26:33,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == workerWithAssertErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 06:26:33,047 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;@299f5e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:26:33,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 06:26:33,046 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 06:26:33,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:33,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1198403713, now seen corresponding path program 1 times [2022-10-06 06:26:33,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:33,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310438463] [2022-10-06 06:26:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:33,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:33,400 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 06:26:33,400 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:33,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310438463] [2022-10-06 06:26:33,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310438463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-06 06:26:33,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-06 06:26:33,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-06 06:26:33,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768374374] [2022-10-06 06:26:33,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-06 06:26:33,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 06:26:33,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:33,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 06:26:33,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 06:26:33,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:33,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:33,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 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 06:26:33,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:33,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:33,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 06:26:33,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:33,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:33,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1147523275, now seen corresponding path program 1 times [2022-10-06 06:26:33,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:33,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508996572] [2022-10-06 06:26:33,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:33,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:33,773 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:33,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508996572] [2022-10-06 06:26:33,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508996572] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:33,774 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:33,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 06:26:33,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594491793] [2022-10-06 06:26:33,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:33,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 06:26:33,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:33,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 06:26:33,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-06 06:26:33,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:33,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:33,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 9 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:26:33,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:33,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:34,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:34,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:34,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 06:26:34,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:34,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 959045881, now seen corresponding path program 1 times [2022-10-06 06:26:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:34,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226689001] [2022-10-06 06:26:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:34,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:34,580 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:34,580 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:34,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226689001] [2022-10-06 06:26:34,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226689001] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:34,581 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:34,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-06 06:26:34,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691526775] [2022-10-06 06:26:34,581 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:34,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-06 06:26:34,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:34,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-06 06:26:34,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-10-06 06:26:34,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:34,584 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:34,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.375) internal successors, (38), 16 states have internal predecessors, (38), 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 06:26:34,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:34,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:34,585 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 06:26:35,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 06:26:35,344 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:35,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:35,345 INFO L85 PathProgramCache]: Analyzing trace with hash -228407004, now seen corresponding path program 1 times [2022-10-06 06:26:35,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:35,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928834852] [2022-10-06 06:26:35,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:35,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 25 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:35,807 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:35,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928834852] [2022-10-06 06:26:35,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928834852] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:35,808 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:35,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2022-10-06 06:26:35,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102044975] [2022-10-06 06:26:35,808 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:35,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-06 06:26:35,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:35,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-06 06:26:35,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2022-10-06 06:26:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:35,811 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:35,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 23 states have internal predecessors, (65), 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 06:26:35,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:35,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:35,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 06:26:35,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:37,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 06:26:37,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:37,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 06:26:37,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:37,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:37,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1124128755, now seen corresponding path program 2 times [2022-10-06 06:26:37,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:37,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030356803] [2022-10-06 06:26:37,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:37,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 49 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:37,731 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:37,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030356803] [2022-10-06 06:26:37,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030356803] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:37,732 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:37,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-10-06 06:26:37,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783887170] [2022-10-06 06:26:37,732 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:37,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-06 06:26:37,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:37,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-06 06:26:37,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2022-10-06 06:26:37,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:37,734 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:37,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.96) internal successors, (74), 25 states have internal predecessors, (74), 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 06:26:37,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:37,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:37,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 06:26:37,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:37,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:39,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 06:26:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:39,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-10-06 06:26:39,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 06:26:39,732 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:39,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:39,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1936501934, now seen corresponding path program 3 times [2022-10-06 06:26:39,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:39,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359251994] [2022-10-06 06:26:39,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:39,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:40,425 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 60 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:40,425 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:40,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359251994] [2022-10-06 06:26:40,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359251994] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:40,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:40,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2022-10-06 06:26:40,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462700013] [2022-10-06 06:26:40,426 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:40,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-10-06 06:26:40,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:40,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-10-06 06:26:40,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=950, Unknown=0, NotChecked=0, Total=1056 [2022-10-06 06:26:40,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:40,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:40,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.875) internal successors, (92), 32 states have internal predecessors, (92), 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 06:26:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 06:26:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-10-06 06:26:40,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:26:44,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-10-06 06:26:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-10-06 06:26:44,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 06:26:44,930 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:44,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:44,931 INFO L85 PathProgramCache]: Analyzing trace with hash 353492402, now seen corresponding path program 4 times [2022-10-06 06:26:44,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:44,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010998133] [2022-10-06 06:26:44,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:44,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 212 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:46,210 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:46,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010998133] [2022-10-06 06:26:46,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010998133] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:46,210 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:46,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2022-10-06 06:26:46,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362956525] [2022-10-06 06:26:46,210 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:46,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-10-06 06:26:46,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:46,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-10-06 06:26:46,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=2335, Unknown=0, NotChecked=0, Total=2550 [2022-10-06 06:26:46,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:46,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:46,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 50 states have (on average 2.74) internal successors, (137), 50 states have internal predecessors, (137), 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 06:26:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:26:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-10-06 06:26:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2022-10-06 06:26:46,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:26:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:50,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-10-06 06:26:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-10-06 06:26:50,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2022-10-06 06:26:50,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-06 06:26:50,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:50,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:50,725 INFO L85 PathProgramCache]: Analyzing trace with hash -276334195, now seen corresponding path program 5 times [2022-10-06 06:26:50,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:50,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076355028] [2022-10-06 06:26:50,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:50,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 288 proven. 203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:51,747 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:51,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076355028] [2022-10-06 06:26:51,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076355028] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:51,747 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:51,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2022-10-06 06:26:51,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935558974] [2022-10-06 06:26:51,748 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:51,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-10-06 06:26:51,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:51,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-10-06 06:26:51,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=2201, Unknown=0, NotChecked=0, Total=2450 [2022-10-06 06:26:51,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:51,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:51,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 2.979591836734694) internal successors, (146), 49 states have internal predecessors, (146), 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 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-10-06 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-10-06 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2022-10-06 06:26:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:26:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:26:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-10-06 06:26:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-10-06 06:26:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2022-10-06 06:26:56,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2022-10-06 06:26:56,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-06 06:26:56,347 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:26:56,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:26:56,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1171926504, now seen corresponding path program 6 times [2022-10-06 06:26:56,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:26:56,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943346098] [2022-10-06 06:26:56,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:26:56,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:26:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:26:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 502 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:26:58,067 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:26:58,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943346098] [2022-10-06 06:26:58,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943346098] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:26:58,067 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:26:58,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2022-10-06 06:26:58,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653313819] [2022-10-06 06:26:58,068 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:26:58,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-10-06 06:26:58,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:26:58,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-10-06 06:26:58,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=373, Invalid=3659, Unknown=0, NotChecked=0, Total=4032 [2022-10-06 06:26:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:26:58,070 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:26:58,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 2.888888888888889) internal successors, (182), 63 states have internal predecessors, (182), 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 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2022-10-06 06:26:58,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:05,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:05,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-06 06:27:05,035 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:27:05,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:27:05,035 INFO L85 PathProgramCache]: Analyzing trace with hash -431454369, now seen corresponding path program 7 times [2022-10-06 06:27:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:27:05,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489242998] [2022-10-06 06:27:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:27:05,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:27:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:27:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 871 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:27:07,233 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:27:07,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489242998] [2022-10-06 06:27:07,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489242998] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:27:07,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:27:07,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2022-10-06 06:27:07,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685134615] [2022-10-06 06:27:07,234 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:27:07,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-10-06 06:27:07,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:27:07,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-10-06 06:27:07,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=594, Invalid=5412, Unknown=0, NotChecked=0, Total=6006 [2022-10-06 06:27:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:07,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:27:07,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 77 states have (on average 2.948051948051948) internal successors, (227), 77 states have internal predecessors, (227), 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 06:27:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:07,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:07,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:07,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:07,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:07,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:07,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2022-10-06 06:27:07,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:07,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:13,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:13,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-06 06:27:13,311 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:27:13,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:27:13,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1642374182, now seen corresponding path program 8 times [2022-10-06 06:27:13,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:27:13,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428895309] [2022-10-06 06:27:13,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:27:13,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:27:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:27:13,456 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 95 proven. 4 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-10-06 06:27:13,456 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:27:13,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428895309] [2022-10-06 06:27:13,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428895309] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:27:13,456 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:27:13,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 06:27:13,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196891920] [2022-10-06 06:27:13,456 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:27:13,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-06 06:27:13,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:27:13,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-06 06:27:13,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-10-06 06:27:13,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:13,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:27:13,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.75) internal successors, (38), 9 states have internal predecessors, (38), 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 06:27:13,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:13,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:13,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:13,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-06 06:27:13,926 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:27:13,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:27:13,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1642212844, now seen corresponding path program 1 times [2022-10-06 06:27:13,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:27:13,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924527401] [2022-10-06 06:27:13,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:27:13,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:27:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:27:15,135 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 312 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:27:15,135 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:27:15,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924527401] [2022-10-06 06:27:15,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924527401] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:27:15,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:27:15,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2022-10-06 06:27:15,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352544984] [2022-10-06 06:27:15,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:27:15,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-10-06 06:27:15,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:27:15,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-10-06 06:27:15,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=2399, Unknown=0, NotChecked=0, Total=2652 [2022-10-06 06:27:15,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:15,138 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:27:15,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 51 states have (on average 2.9215686274509802) internal successors, (149), 51 states have internal predecessors, (149), 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 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2022-10-06 06:27:15,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:15,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:15,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:15,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:15,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:20,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:20,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-10-06 06:27:20,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-06 06:27:20,791 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:27:20,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:27:20,792 INFO L85 PathProgramCache]: Analyzing trace with hash -714067131, now seen corresponding path program 9 times [2022-10-06 06:27:20,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:27:20,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665069533] [2022-10-06 06:27:20,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:27:20,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:27:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:27:22,190 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 371 proven. 349 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:27:22,191 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:27:22,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665069533] [2022-10-06 06:27:22,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665069533] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:27:22,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:27:22,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2022-10-06 06:27:22,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373528725] [2022-10-06 06:27:22,191 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:27:22,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-10-06 06:27:22,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:27:22,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-10-06 06:27:22,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=3217, Unknown=0, NotChecked=0, Total=3540 [2022-10-06 06:27:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:22,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:27:22,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 59 states have (on average 2.9322033898305087) internal successors, (173), 59 states have internal predecessors, (173), 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 06:27:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:22,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-10-06 06:27:22,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-06 06:27:27,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2022-10-06 06:27:27,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-06 06:27:27,513 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:27:27,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:27:27,514 INFO L85 PathProgramCache]: Analyzing trace with hash -922831394, now seen corresponding path program 10 times [2022-10-06 06:27:27,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:27:27,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367067817] [2022-10-06 06:27:27,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:27:27,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:27:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:27:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 755 backedges. 309 proven. 446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:27:29,102 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:27:29,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367067817] [2022-10-06 06:27:29,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367067817] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:27:29,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:27:29,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2022-10-06 06:27:29,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16088993] [2022-10-06 06:27:29,103 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:27:29,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-10-06 06:27:29,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:27:29,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-10-06 06:27:29,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=3607, Unknown=0, NotChecked=0, Total=3906 [2022-10-06 06:27:29,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:29,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:27:29,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 62 states have (on average 2.7903225806451615) internal successors, (173), 62 states have internal predecessors, (173), 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 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:29,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:29,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:29,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-10-06 06:27:29,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2022-10-06 06:27:29,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:30,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:30,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-10-06 06:27:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-06 06:27:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:27:30,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-06 06:27:30,052 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:27:30,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:27:30,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1945266353, now seen corresponding path program 11 times [2022-10-06 06:27:30,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:27:30,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548975976] [2022-10-06 06:27:30,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:27:30,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:27:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:27:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 48 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:27:30,445 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:27:30,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548975976] [2022-10-06 06:27:30,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548975976] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:27:30,445 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:27:30,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2022-10-06 06:27:30,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773490306] [2022-10-06 06:27:30,445 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:27:30,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-06 06:27:30,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:27:30,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-06 06:27:30,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2022-10-06 06:27:30,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:27:30,447 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:27:30,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.96) internal successors, (74), 25 states have internal predecessors, (74), 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 06:27:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:27:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:27:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:27:30,447 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:27:30,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:45,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2022-10-06 06:28:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:45,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-06 06:28:45,992 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:28:45,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:28:45,992 INFO L85 PathProgramCache]: Analyzing trace with hash -2077355106, now seen corresponding path program 1 times [2022-10-06 06:28:45,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:28:45,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766978824] [2022-10-06 06:28:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:28:45,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:28:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:28:49,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2629 backedges. 1420 proven. 1209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:28:49,072 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:28:49,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766978824] [2022-10-06 06:28:49,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766978824] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:28:49,074 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:28:49,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2022-10-06 06:28:49,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642139669] [2022-10-06 06:28:49,074 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:28:49,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2022-10-06 06:28:49,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:28:49,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2022-10-06 06:28:49,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=882, Invalid=9624, Unknown=0, NotChecked=0, Total=10506 [2022-10-06 06:28:49,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:49,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:28:49,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 102 states have (on average 2.9411764705882355) internal successors, (300), 102 states have internal predecessors, (300), 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 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:49,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:28:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:51,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 06:28:51,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-06 06:28:51,306 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:28:51,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:28:51,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1104454257, now seen corresponding path program 12 times [2022-10-06 06:28:51,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:28:51,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926392689] [2022-10-06 06:28:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:28:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:28:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:28:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-10-06 06:28:51,376 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:28:51,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926392689] [2022-10-06 06:28:51,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926392689] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:28:51,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:28:51,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 06:28:51,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092293314] [2022-10-06 06:28:51,376 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:28:51,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 06:28:51,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:28:51,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 06:28:51,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-06 06:28:51,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:51,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:28:51,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 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 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2022-10-06 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2022-10-06 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:51,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 06:28:51,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 06:28:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:28:51,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-06 06:28:51,739 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:28:51,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:28:51,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1445573855, now seen corresponding path program 2 times [2022-10-06 06:28:51,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:28:51,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081593408] [2022-10-06 06:28:51,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:28:51,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:28:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:28:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 74 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:28:52,350 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:28:52,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081593408] [2022-10-06 06:28:52,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081593408] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:28:52,350 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:28:52,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2022-10-06 06:28:52,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540939198] [2022-10-06 06:28:52,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:28:52,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-06 06:28:52,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:28:52,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-06 06:28:52,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2022-10-06 06:28:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:52,352 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:28:52,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.888888888888889) internal successors, (104), 36 states have internal predecessors, (104), 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 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-10-06 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-10-06 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:52,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:28:52,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:54,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-10-06 06:28:54,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:28:54,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-10-06 06:28:54,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-06 06:28:54,157 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:28:54,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:28:54,157 INFO L85 PathProgramCache]: Analyzing trace with hash 349293129, now seen corresponding path program 3 times [2022-10-06 06:28:54,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:28:54,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201663653] [2022-10-06 06:28:54,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:28:54,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:28:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:28:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 87 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:28:54,765 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:28:54,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201663653] [2022-10-06 06:28:54,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201663653] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:28:54,765 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:28:54,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2022-10-06 06:28:54,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054492660] [2022-10-06 06:28:54,766 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:28:54,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-06 06:28:54,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:28:54,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-06 06:28:54,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=1210, Unknown=0, NotChecked=0, Total=1332 [2022-10-06 06:28:54,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:28:54,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:28:54,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 2.888888888888889) internal successors, (104), 36 states have internal predecessors, (104), 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 06:28:54,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 226 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 396 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2022-10-06 06:28:54,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:29:56,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 406 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-06 06:29:56,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2022-10-06 06:29:56,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-06 06:29:56,018 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting workerWithAssertErr0ASSERT_VIOLATIONASSERT === [workerWithAssertErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:29:56,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:29:56,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1263539329, now seen corresponding path program 1 times [2022-10-06 06:29:56,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:29:56,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042758710] [2022-10-06 06:29:56,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:29:56,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:29:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:29:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 746 proven. 675 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:29:58,352 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:29:58,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042758710] [2022-10-06 06:29:58,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042758710] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:29:58,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:29:58,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2022-10-06 06:29:58,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250603922] [2022-10-06 06:29:58,353 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:29:58,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2022-10-06 06:29:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:29:58,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2022-10-06 06:29:58,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=518, Invalid=5488, Unknown=0, NotChecked=0, Total=6006 [2022-10-06 06:29:58,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:29:58,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:29:58,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 77 states have (on average 2.9220779220779223) internal successors, (225), 77 states have internal predecessors, (225), 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 06:29:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-10-06 06:29:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-06 06:29:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-06 06:29:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2022-10-06 06:29:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2022-10-06 06:29:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2022-10-06 06:29:58,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 195 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 276 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 231 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 230 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 406 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 148 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2022-10-06 06:29:58,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.