/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/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1442.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 14:40:36,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 14:40:36,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 14:40:36,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 14:40:36,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 14:40:36,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 14:40:36,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 14:40:36,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 14:40:36,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 14:40:36,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 14:40:36,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 14:40:36,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 14:40:36,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 14:40:36,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 14:40:36,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 14:40:36,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 14:40:36,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 14:40:36,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 14:40:36,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 14:40:36,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 14:40:36,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 14:40:36,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 14:40:36,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 14:40:36,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 14:40:36,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-24 14:40:36,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-24 14:40:36,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-24 14:40:36,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-24 14:40:36,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-24 14:40:36,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-24 14:40:36,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-24 14:40:36,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-24 14:40:36,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-24 14:40:36,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-24 14:40:36,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-24 14:40:36,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-24 14:40:36,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-24 14:40:36,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-24 14:40:36,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 14:40:36,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 14:40:36,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 14:40:36,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-24 14:40:36,532 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 14:40:36,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 14:40:36,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 14:40:36,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 14:40:36,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 14:40:36,533 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 14:40:36,534 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 14:40:36,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 14:40:36,534 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 14:40:36,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 14:40:36,534 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 14:40:36,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 14:40:36,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 14:40:36,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 14:40:36,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 14:40:36,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:40:36,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 14:40:36,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 14:40:36,537 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 14:40:36,537 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 14:40:36,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 14:40:36,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 14:40:36,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 14:40:36,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 14:40:36,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 14:40:36,844 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 14:40:36,845 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 14:40:36,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1442.bpl [2022-10-24 14:40:36,847 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1442.bpl' [2022-10-24 14:40:36,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 14:40:36,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 14:40:36,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 14:40:36,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 14:40:36,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 14:40:36,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:36,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,002 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 14:40:37,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 14:40:37,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 14:40:37,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 14:40:37,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 14:40:37,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 14:40:37,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 14:40:37,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 14:40:37,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 14:40:37,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/1) ... [2022-10-24 14:40:37,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:40:37,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:40:37,172 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 14:40:37,205 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 14:40:37,246 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 14:40:37,247 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 14:40:37,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 14:40:37,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 14:40:37,248 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 14:40:37,417 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 14:40:37,419 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 14:40:38,478 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 14:40:38,498 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 14:40:38,498 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 14:40:38,501 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:40:38 BoogieIcfgContainer [2022-10-24 14:40:38,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 14:40:38,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 14:40:38,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 14:40:38,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 14:40:38,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:40:36" (1/2) ... [2022-10-24 14:40:38,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e52054 and model type divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:40:38, skipping insertion in model container [2022-10-24 14:40:38,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1442.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:40:38" (2/2) ... [2022-10-24 14:40:38,510 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1442.bpl [2022-10-24 14:40:38,526 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 14:40:38,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 14:40:38,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 14:40:38,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 14:40:38,669 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 14:40:38,727 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 14:40:38,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 14:40:38,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:40:38,738 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 14:40:38,739 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 14:40:38,764 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 14:40:38,771 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 14:40:38,777 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;@61c16e92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:40:38,777 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 14:40:39,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:40:39,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:40:39,219 INFO L85 PathProgramCache]: Analyzing trace with hash -274334810, now seen corresponding path program 1 times [2022-10-24 14:40:39,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:40:39,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030912907] [2022-10-24 14:40:39,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:40:39,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:40:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:40:39,692 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 14:40:39,693 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:40:39,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030912907] [2022-10-24 14:40:39,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030912907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:40:39,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:40:39,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 14:40:39,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320840652] [2022-10-24 14:40:39,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:40:39,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 14:40:39,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:40:39,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 14:40:39,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 14:40:39,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:39,738 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:40:39,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 311.5) internal successors, (623), 2 states have internal predecessors, (623), 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 14:40:39,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:40,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:40,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 14:40:40,022 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:40:40,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:40:40,025 INFO L85 PathProgramCache]: Analyzing trace with hash -288926543, now seen corresponding path program 1 times [2022-10-24 14:40:40,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:40:40,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213022388] [2022-10-24 14:40:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:40:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:40:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:40:40,594 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 14:40:40,595 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:40:40,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213022388] [2022-10-24 14:40:40,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213022388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:40:40,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:40:40,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-10-24 14:40:40,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535123689] [2022-10-24 14:40:40,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:40:40,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-24 14:40:40,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:40:40,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-24 14:40:40,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-24 14:40:40,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:40,599 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:40:40,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 62.63636363636363) internal successors, (689), 12 states have internal predecessors, (689), 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 14:40:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:40,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:41,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:41,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:40:41,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 14:40:41,953 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:40:41,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:40:41,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1029371079, now seen corresponding path program 1 times [2022-10-24 14:40:41,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:40:41,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772327514] [2022-10-24 14:40:41,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:40:41,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:40:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:40:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-24 14:40:42,299 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:40:42,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772327514] [2022-10-24 14:40:42,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772327514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:40:42,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:40:42,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-24 14:40:42,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114640717] [2022-10-24 14:40:42,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:40:42,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-24 14:40:42,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:40:42,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-24 14:40:42,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-24 14:40:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:42,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:40:42,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 108.22222222222223) internal successors, (974), 10 states have internal predecessors, (974), 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 14:40:42,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:42,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:40:42,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:40:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 14:40:43,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 14:40:43,842 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:40:43,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:40:43,843 INFO L85 PathProgramCache]: Analyzing trace with hash 891545003, now seen corresponding path program 1 times [2022-10-24 14:40:43,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:40:43,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775874556] [2022-10-24 14:40:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:40:43,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:40:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:40:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 29612 backedges. 18460 proven. 236 refuted. 0 times theorem prover too weak. 10916 trivial. 0 not checked. [2022-10-24 14:40:52,118 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:40:52,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775874556] [2022-10-24 14:40:52,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775874556] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:40:52,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:40:52,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2022-10-24 14:40:52,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845105376] [2022-10-24 14:40:52,123 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:40:52,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-24 14:40:52,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:40:52,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-24 14:40:52,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1780, Unknown=0, NotChecked=0, Total=1892 [2022-10-24 14:40:52,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:52,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:40:52,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 47.38636363636363) internal successors, (2085), 44 states have internal predecessors, (2085), 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 14:40:52,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:40:52,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:40:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 14:40:52,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:41:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:41:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:41:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 14:41:07,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2022-10-24 14:41:07,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 14:41:07,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:41:07,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:41:07,482 INFO L85 PathProgramCache]: Analyzing trace with hash 714568359, now seen corresponding path program 2 times [2022-10-24 14:41:07,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:41:07,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040148026] [2022-10-24 14:41:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:41:07,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:41:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:41:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 33793 backedges. 14118 proven. 171 refuted. 0 times theorem prover too weak. 19504 trivial. 0 not checked. [2022-10-24 14:41:15,035 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:41:15,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040148026] [2022-10-24 14:41:15,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040148026] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:41:15,035 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:41:15,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2022-10-24 14:41:15,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210087238] [2022-10-24 14:41:15,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:41:15,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-10-24 14:41:15,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:41:15,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-10-24 14:41:15,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1606, Unknown=0, NotChecked=0, Total=1722 [2022-10-24 14:41:15,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:41:15,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:41:15,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 47.23809523809524) internal successors, (1984), 42 states have internal predecessors, (1984), 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 14:41:15,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:41:15,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:41:15,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 14:41:15,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 115 states. [2022-10-24 14:41:15,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:41:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:41:46,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:41:46,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-24 14:41:46,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2022-10-24 14:41:46,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2022-10-24 14:41:46,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 14:41:46,770 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:41:46,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:41:46,774 INFO L85 PathProgramCache]: Analyzing trace with hash -916650002, now seen corresponding path program 1 times [2022-10-24 14:41:46,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:41:46,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260473257] [2022-10-24 14:41:46,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:41:46,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:42:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat