/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 0 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-nonatomic.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 02:17:20,338 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 02:17:20,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 02:17:20,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 02:17:20,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 02:17:20,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 02:17:20,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 02:17:20,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 02:17:20,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 02:17:20,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 02:17:20,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 02:17:20,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 02:17:20,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 02:17:20,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 02:17:20,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-06 02:17:20,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 02:17:20,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 02:17:20,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 02:17:20,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 02:17:20,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 02:17:20,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 02:17:20,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 02:17:20,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 02:17:20,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 02:17:20,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 02:17:20,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 02:17:20,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 02:17:20,491 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 02:17:20,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 02:17:20,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 02:17:20,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 02:17:20,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 02:17:20,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 02:17:20,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 02:17:20,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 02:17:20,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 02:17:20,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 02:17:20,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 02:17:20,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 02:17:20,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 02:17:20,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 02:17:20,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 02:17:20,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 02:17:20,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 02:17:20,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 02:17:20,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 02:17:20,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 02:17:20,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 02:17:20,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 02:17:20,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 02:17:20,495 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 02:17:20,495 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 02:17:20,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 02:17:20,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 02:17:20,495 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 02:17:20,495 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 02:17:20,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 02:17:20,496 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 02:17:20,496 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 15 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 02:17:20,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 02:17:20,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 02:17:20,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 02:17:20,918 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 02:17:20,923 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 02:17:20,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-nonatomic.bpl [2022-10-06 02:17:20,925 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/min-max-sample-abs-nonatomic.bpl' [2022-10-06 02:17:20,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 02:17:20,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 02:17:20,951 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 02:17:20,951 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 02:17:20,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 02:17:20,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:20,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:20,988 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 02:17:20,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 02:17:20,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 02:17:20,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 02:17:20,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 02:17:20,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:20,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:21,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:21,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:21,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:21,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:21,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:21,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 02:17:21,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 02:17:21,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 02:17:21,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 02:17:21,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/1) ... [2022-10-06 02:17:21,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 02:17:21,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:17:21,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-06 02:17:21,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-06 02:17:21,095 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMax given in one single declaration [2022-10-06 02:17:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure computeMax [2022-10-06 02:17:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMax [2022-10-06 02:17:21,096 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 02:17:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 02:17:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 02:17:21,096 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sample given in one single declaration [2022-10-06 02:17:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure sample [2022-10-06 02:17:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure sample [2022-10-06 02:17:21,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2022-10-06 02:17:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2022-10-06 02:17:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2022-10-06 02:17:21,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure computeMin given in one single declaration [2022-10-06 02:17:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure computeMin [2022-10-06 02:17:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure computeMin [2022-10-06 02:17:21,098 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 02:17:21,147 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 02:17:21,148 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 02:17:21,325 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 02:17:21,332 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 02:17:21,332 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-06 02:17:21,334 INFO L202 PluginConnector]: Adding new model min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 02:17:21 BoogieIcfgContainer [2022-10-06 02:17:21,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 02:17:21,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 02:17:21,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 02:17:21,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 02:17:21,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 02:17:20" (1/2) ... [2022-10-06 02:17:21,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ff2ded and model type min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 02:17:21, skipping insertion in model container [2022-10-06 02:17:21,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-sample-abs-nonatomic.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 02:17:21" (2/2) ... [2022-10-06 02:17:21,349 INFO L112 eAbstractionObserver]: Analyzing ICFG min-max-sample-abs-nonatomic.bpl [2022-10-06 02:17:21,361 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 02:17:21,372 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 02:17:21,372 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 02:17:21,373 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 02:17:21,448 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-06 02:17:21,487 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 02:17:21,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 02:17:21,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 02:17:21,491 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 02:17:21,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-06 02:17:21,542 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:17:21,576 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 02:17:21,576 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 02:17:21,576 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 02:17:21,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 02:17:21,620 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;@64e10f43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 02:17:21,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 02:17:22,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:17:22,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:17:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1649283154, now seen corresponding path program 1 times [2022-10-06 02:17:22,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:17:22,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169931422] [2022-10-06 02:17:22,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:17:22,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:17:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:17:23,164 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 36 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 02:17:23,165 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:17:23,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169931422] [2022-10-06 02:17:23,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169931422] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:17:23,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:17:23,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-06 02:17:23,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888471594] [2022-10-06 02:17:23,171 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:17:23,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-06 02:17:23,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:17:23,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-06 02:17:23,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2022-10-06 02:17:23,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:17:23,257 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:17:23,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.266666666666667) internal successors, (64), 15 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 02:17:23,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:17:25,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:17:25,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 02:17:25,798 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:17:25,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:17:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash 584688739, now seen corresponding path program 1 times [2022-10-06 02:17:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:17:25,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480554175] [2022-10-06 02:17:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:17:25,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:17:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:17:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-06 02:17:25,925 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:17:25,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480554175] [2022-10-06 02:17:25,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480554175] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:17:25,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:17:25,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 02:17:25,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633337328] [2022-10-06 02:17:25,927 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:17:25,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 02:17:25,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:17:25,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 02:17:25,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-06 02:17:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:17:25,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:17:25,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 02:17:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:17:25,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:17:27,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:17:27,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:17:27,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 02:17:27,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:17:27,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:17:27,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1428559044, now seen corresponding path program 2 times [2022-10-06 02:17:27,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:17:27,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381540496] [2022-10-06 02:17:27,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:17:27,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:17:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:17:28,401 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 02:17:28,401 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:17:28,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381540496] [2022-10-06 02:17:28,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381540496] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:17:28,402 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:17:28,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2022-10-06 02:17:28,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971772628] [2022-10-06 02:17:28,402 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:17:28,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-06 02:17:28,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:17:28,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-06 02:17:28,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2022-10-06 02:17:28,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:17:28,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:17:28,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 02:17:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:17:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:17:28,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:17:40,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:17:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:17:40,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:17:40,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 02:17:40,428 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:17:40,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:17:40,431 INFO L85 PathProgramCache]: Analyzing trace with hash 988340954, now seen corresponding path program 1 times [2022-10-06 02:17:40,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:17:40,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438255905] [2022-10-06 02:17:40,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:17:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:17:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:17:40,662 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 111 proven. 68 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-06 02:17:40,662 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:17:40,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438255905] [2022-10-06 02:17:40,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438255905] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:17:40,663 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:17:40,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-10-06 02:17:40,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81484677] [2022-10-06 02:17:40,664 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:17:40,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-06 02:17:40,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:17:40,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-06 02:17:40,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-10-06 02:17:40,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:17:40,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:17:40,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 02:17:40,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:17:40,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:17:40,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:17:40,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:18:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:18:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:18:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:18:26,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:18:26,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 02:18:26,704 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:18:26,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:18:26,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1585222710, now seen corresponding path program 2 times [2022-10-06 02:18:26,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:18:26,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306230217] [2022-10-06 02:18:26,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:18:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:18:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:18:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 116 proven. 63 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-06 02:18:26,917 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:18:26,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306230217] [2022-10-06 02:18:26,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306230217] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:18:26,918 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:18:26,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2022-10-06 02:18:26,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184712654] [2022-10-06 02:18:26,918 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:18:26,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-06 02:18:26,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:18:26,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-06 02:18:26,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2022-10-06 02:18:26,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:18:26,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:18:26,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.4) internal successors, (66), 15 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 02:18:26,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:18:26,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:18:26,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:18:26,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:18:26,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:19:13,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:19:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:19:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:19:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:19:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-06 02:19:13,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 02:19:13,425 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 02:19:13,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 02:19:13,426 INFO L85 PathProgramCache]: Analyzing trace with hash -416101770, now seen corresponding path program 3 times [2022-10-06 02:19:13,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 02:19:13,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488500105] [2022-10-06 02:19:13,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 02:19:13,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 02:19:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 02:19:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 84 proven. 42 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-06 02:19:13,642 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 02:19:13,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488500105] [2022-10-06 02:19:13,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488500105] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 02:19:13,642 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 02:19:13,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-06 02:19:13,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161681817] [2022-10-06 02:19:13,643 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 02:19:13,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-06 02:19:13,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 02:19:13,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-06 02:19:13,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-06 02:19:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 02:19:13,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 02:19:13,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 10 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 02:19:13,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-10-06 02:19:13,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 02:19:13,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2022-10-06 02:19:13,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-06 02:19:13,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-10-06 02:19:13,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.