/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1501.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 12:44:29,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 12:44:29,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 12:44:29,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-24 12:44:29,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 12:44:29,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 12:44:29,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 12:44:29,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 12:44:29,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 12:44:29,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 12:44:29,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 12:44:29,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 12:44:29,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 12:44:29,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 12:44:29,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 12:44:29,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 12:44:29,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 12:44:29,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 12:44:29,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 12:44:29,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 12:44:29,118 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-24 12:44:29,145 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 12:44:29,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 12:44:29,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 12:44:29,146 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 12:44:29,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 12:44:29,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 12:44:29,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 12:44:29,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 12:44:29,148 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 12:44:29,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 12:44:29,148 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 12:44:29,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 12:44:29,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 12:44:29,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 12:44:29,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 12:44:29,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 12:44:29,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 12:44:29,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:44:29,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 12:44:29,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 12:44:29,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 12:44:29,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 12:44:29,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 12:44:29,150 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 12:44:29,150 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 12:44:29,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 12:44:29,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 12:44:29,151 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 12:44:29,151 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 12:44:29,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 12:44:29,151 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 12:44:29,151 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 12:44:29,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 12:44:29,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 12:44:29,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 12:44:29,456 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 12:44:29,457 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 12:44:29,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1501.bpl [2022-10-24 12:44:29,458 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line1501.bpl' [2022-10-24 12:44:29,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 12:44:29,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 12:44:29,532 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 12:44:29,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 12:44:29,533 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 12:44:29,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,591 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 12:44:29,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 12:44:29,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 12:44:29,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 12:44:29,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 12:44:29,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 12:44:29,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 12:44:29,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 12:44:29,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 12:44:29,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/1) ... [2022-10-24 12:44:29,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 12:44:29,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:44:29,733 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) [2022-10-24 12:44:29,742 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 [2022-10-24 12:44:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 12:44:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 12:44:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 12:44:29,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 12:44:29,777 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 12:44:29,931 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 12:44:29,940 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 12:44:30,841 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 12:44:30,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 12:44:30,869 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 12:44:30,873 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:44:30 BoogieIcfgContainer [2022-10-24 12:44:30,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 12:44:30,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 12:44:30,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 12:44:30,879 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 12:44:30,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 12:44:29" (1/2) ... [2022-10-24 12:44:30,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b7047b9 and model type divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:44:30, skipping insertion in model container [2022-10-24 12:44:30,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line1501.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:44:30" (2/2) ... [2022-10-24 12:44:30,881 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line1501.bpl [2022-10-24 12:44:30,888 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 12:44:30,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 12:44:30,894 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 12:44:30,894 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 12:44:31,008 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 12:44:31,057 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 12:44:31,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 12:44:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 12:44:31,059 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) [2022-10-24 12:44:31,060 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 [2022-10-24 12:44:31,079 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:44:31,105 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 12:44:31,105 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 12:44:31,105 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 12:44:31,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 12:44:31,117 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;@4cebf2ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 12:44:31,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 12:44:31,739 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:44:31,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:44:31,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1678564895, now seen corresponding path program 1 times [2022-10-24 12:44:31,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:44:31,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052801796] [2022-10-24 12:44:31,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:44:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:44:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:44:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:44:32,196 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:44:32,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052801796] [2022-10-24 12:44:32,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052801796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:44:32,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:44:32,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 12:44:32,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473284894] [2022-10-24 12:44:32,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:44:32,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 12:44:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:44:32,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 12:44:32,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 12:44:32,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:32,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:44:32,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 329.0) internal successors, (658), 2 states have internal predecessors, (658), 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) [2022-10-24 12:44:32,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:32,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 12:44:32,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:44:32,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:44:32,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1321548806, now seen corresponding path program 1 times [2022-10-24 12:44:32,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:44:32,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209155471] [2022-10-24 12:44:32,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:44:32,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:44:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:44:33,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 12:44:33,443 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:44:33,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209155471] [2022-10-24 12:44:33,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209155471] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:44:33,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:44:33,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-10-24 12:44:33,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784325526] [2022-10-24 12:44:33,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:44:33,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-24 12:44:33,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:44:33,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-24 12:44:33,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-10-24 12:44:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:33,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:44:33,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 51.642857142857146) internal successors, (723), 15 states have internal predecessors, (723), 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) [2022-10-24 12:44:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:33,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:38,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:38,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-24 12:44:38,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 12:44:38,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:44:38,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:44:38,914 INFO L85 PathProgramCache]: Analyzing trace with hash -252423611, now seen corresponding path program 1 times [2022-10-24 12:44:38,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:44:38,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390332893] [2022-10-24 12:44:38,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:44:38,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:44:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:44:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 208 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-24 12:44:39,489 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:44:39,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390332893] [2022-10-24 12:44:39,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390332893] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:44:39,490 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:44:39,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-10-24 12:44:39,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083883900] [2022-10-24 12:44:39,490 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:44:39,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-24 12:44:39,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:44:39,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-24 12:44:39,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-10-24 12:44:39,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:39,493 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:44:39,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 89.41666666666667) internal successors, (1073), 13 states have internal predecessors, (1073), 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) [2022-10-24 12:44:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-24 12:44:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-24 12:44:44,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:44:44,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 12:44:44,284 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:44:44,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:44:44,285 INFO L85 PathProgramCache]: Analyzing trace with hash -786740707, now seen corresponding path program 1 times [2022-10-24 12:44:44,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:44:44,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56457000] [2022-10-24 12:44:44,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:44:44,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:44:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:44:46,954 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-10-24 12:44:46,954 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:44:46,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56457000] [2022-10-24 12:44:46,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56457000] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:44:46,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:44:46,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-10-24 12:44:46,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191139950] [2022-10-24 12:44:46,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:44:46,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-10-24 12:44:46,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:44:46,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-10-24 12:44:46,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=3588, Unknown=0, NotChecked=0, Total=3782 [2022-10-24 12:44:46,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:46,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:44:46,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 14.241935483870968) internal successors, (883), 62 states have internal predecessors, (883), 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) [2022-10-24 12:44:46,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:44:46,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-24 12:44:46,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:44:46,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-24 12:45:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:45:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2022-10-24 12:45:05,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 12:45:05,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:45:05,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:45:05,909 INFO L85 PathProgramCache]: Analyzing trace with hash -434259100, now seen corresponding path program 1 times [2022-10-24 12:45:05,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:45:05,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415406899] [2022-10-24 12:45:05,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:45:05,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:45:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:45:09,037 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-10-24 12:45:09,037 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:45:09,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415406899] [2022-10-24 12:45:09,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415406899] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:45:09,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:45:09,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [75] imperfect sequences [] total 75 [2022-10-24 12:45:09,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143896991] [2022-10-24 12:45:09,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:45:09,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2022-10-24 12:45:09,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:45:09,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2022-10-24 12:45:09,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=5315, Unknown=0, NotChecked=0, Total=5550 [2022-10-24 12:45:09,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:09,041 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:45:09,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 12.373333333333333) internal successors, (928), 75 states have internal predecessors, (928), 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) [2022-10-24 12:45:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2022-10-24 12:45:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:45:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2022-10-24 12:45:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:41,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:41,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-24 12:45:41,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:45:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-24 12:45:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:45:41,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 12:45:41,327 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:45:41,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:45:41,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1619225300, now seen corresponding path program 1 times [2022-10-24 12:45:41,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:45:41,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196646423] [2022-10-24 12:45:41,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:45:41,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:45:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:45:49,192 INFO L134 CoverageAnalysis]: Checked inductivity of 26391 backedges. 2124 proven. 0 refuted. 0 times theorem prover too weak. 24267 trivial. 0 not checked. [2022-10-24 12:45:49,192 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:45:49,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196646423] [2022-10-24 12:45:49,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196646423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 12:45:49,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 12:45:49,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2022-10-24 12:45:49,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995922716] [2022-10-24 12:45:49,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 12:45:49,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2022-10-24 12:45:49,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:45:49,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2022-10-24 12:45:49,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=6227, Unknown=0, NotChecked=0, Total=6480 [2022-10-24 12:45:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:49,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:45:49,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 13.506172839506172) internal successors, (1094), 81 states have internal predecessors, (1094), 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) [2022-10-24 12:45:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:45:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-10-24 12:45:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:45:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-24 12:45:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2022-10-24 12:45:49,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:21,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-24 12:46:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:46:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-24 12:46:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:46:21,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:46:21,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 12:46:21,855 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:46:21,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:46:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash 2070366725, now seen corresponding path program 1 times [2022-10-24 12:46:21,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:46:21,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342855070] [2022-10-24 12:46:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:46:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:46:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:46:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 46 proven. 348 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2022-10-24 12:46:22,873 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:46:22,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342855070] [2022-10-24 12:46:22,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342855070] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:46:22,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:46:22,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2022-10-24 12:46:22,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743729410] [2022-10-24 12:46:22,874 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:46:22,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-24 12:46:22,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:46:22,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-24 12:46:22,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2022-10-24 12:46:22,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:22,877 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:46:22,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 50.65217391304348) internal successors, (1165), 24 states have internal predecessors, (1165), 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) [2022-10-24 12:46:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-10-24 12:46:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-24 12:46:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-24 12:46:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:46:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:46:22,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-10-24 12:46:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-24 12:46:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2022-10-24 12:46:39,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:46:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:46:39,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2022-10-24 12:46:39,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 12:46:39,904 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 12:46:39,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 12:46:39,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1469164078, now seen corresponding path program 1 times [2022-10-24 12:46:39,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 12:46:39,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688700483] [2022-10-24 12:46:39,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 12:46:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 12:46:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 12:46:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 45217 backedges. 4866 proven. 2870 refuted. 0 times theorem prover too weak. 37481 trivial. 0 not checked. [2022-10-24 12:46:50,654 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 12:46:50,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688700483] [2022-10-24 12:46:50,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688700483] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 12:46:50,655 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 12:46:50,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2022-10-24 12:46:50,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56282091] [2022-10-24 12:46:50,655 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 12:46:50,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-24 12:46:50,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 12:46:50,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-24 12:46:50,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2022-10-24 12:46:50,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:50,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 12:46:50,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 71.52173913043478) internal successors, (1645), 24 states have internal predecessors, (1645), 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) [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2022-10-24 12:46:50,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.