/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy BADGER --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf --traceabstraction.coinflip.probability.value 20 --traceabstraction.coinflip.random.seed 13 --traceabstraction.coinflip.budget.determination.mode PURE -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-06 06:43:12,063 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 06:43:12,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 06:43:12,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 06:43:12,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 06:43:12,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 06:43:12,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 06:43:12,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 06:43:12,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 06:43:12,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 06:43:12,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 06:43:12,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 06:43:12,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 06:43:12,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 06:43:12,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-06 06:43:12,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 06:43:12,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 06:43:12,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 06:43:12,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-06 06:43:12,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 06:43:12,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 06:43:12,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 06:43:12,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 06:43:12,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 06:43:12,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 06:43:12,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 06:43:12,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 06:43:12,156 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 06:43:12,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 06:43:12,156 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 06:43:12,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 06:43:12,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 06:43:12,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 06:43:12,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 06:43:12,158 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 06:43:12,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 06:43:12,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 06:43:12,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 06:43:12,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 06:43:12,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 06:43:12,160 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 06:43:12,160 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 06:43:12,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 06:43:12,160 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 06:43:12,160 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 06:43:12,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 06:43:12,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 06:43:12,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 06:43:12,448 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 06:43:12,451 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 06:43:12,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl [2022-10-06 06:43:12,452 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl' [2022-10-06 06:43:12,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 06:43:12,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 06:43:12,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 06:43:12,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 06:43:12,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 06:43:12,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,508 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 06:43:12,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 06:43:12,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 06:43:12,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 06:43:12,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 06:43:12,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 06:43:12,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 06:43:12,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 06:43:12,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 06:43:12,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/1) ... [2022-10-06 06:43:12,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 06:43:12,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:43:12,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-06 06:43:12,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-06 06:43:12,584 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 06:43:12,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 06:43:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 06:43:12,585 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 06:43:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 06:43:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 06:43:12,585 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-06 06:43:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-06 06:43:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-06 06:43:12,585 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 06:43:12,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 06:43:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 06:43:12,586 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-06 06:43:12,626 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 06:43:12,627 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 06:43:12,765 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 06:43:12,771 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 06:43:12,771 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-06 06:43:12,773 INFO L202 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:43:12 BoogieIcfgContainer [2022-10-06 06:43:12,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 06:43:12,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 06:43:12,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 06:43:12,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 06:43:12,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.10 06:43:12" (1/2) ... [2022-10-06 06:43:12,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5625ebd4 and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 06:43:12, skipping insertion in model container [2022-10-06 06:43:12,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 06:43:12" (2/2) ... [2022-10-06 06:43:12,779 INFO L112 eAbstractionObserver]: Analyzing ICFG map-aggr-update1.bpl [2022-10-06 06:43:12,786 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 06:43:12,793 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 06:43:12,793 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 06:43:12,793 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 06:43:12,876 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-10-06 06:43:12,917 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 06:43:12,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 06:43:12,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 06:43:12,922 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-06 06:43:12,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-06 06:43:12,944 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:43:12,971 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 06:43:12,971 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 06:43:12,971 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 06:43:12,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 06:43:13,000 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;@27c2c18e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 06:43:13,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 06:43:13,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:13,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:13,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1627871227, now seen corresponding path program 1 times [2022-10-06 06:43:13,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:13,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187981776] [2022-10-06 06:43:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-06 06:43:13,381 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:13,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187981776] [2022-10-06 06:43:13,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187981776] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:13,382 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:13,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 06:43:13,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630944941] [2022-10-06 06:43:13,384 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:13,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 06:43:13,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:13,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 06:43:13,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 06:43:13,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:13,409 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:13,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:13,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:13,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:43:13,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 06:43:13,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:13,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:13,569 INFO L85 PathProgramCache]: Analyzing trace with hash -396607240, now seen corresponding path program 2 times [2022-10-06 06:43:13,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:13,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087589221] [2022-10-06 06:43:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:13,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:13,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-06 06:43:13,623 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:13,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087589221] [2022-10-06 06:43:13,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087589221] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:13,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:13,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-06 06:43:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269499445] [2022-10-06 06:43:13,624 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:13,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-06 06:43:13,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:13,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-06 06:43:13,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-06 06:43:13,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:13,627 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:13,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:13,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-06 06:43:13,627 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:14,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 06:43:14,055 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:14,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:14,056 INFO L85 PathProgramCache]: Analyzing trace with hash 496629742, now seen corresponding path program 1 times [2022-10-06 06:43:14,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:14,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161221904] [2022-10-06 06:43:14,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:14,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 131 proven. 210 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-10-06 06:43:14,289 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:14,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161221904] [2022-10-06 06:43:14,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161221904] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:14,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:14,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-06 06:43:14,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454493255] [2022-10-06 06:43:14,290 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:14,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-06 06:43:14,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:14,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-06 06:43:14,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-10-06 06:43:14,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:14,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:14,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:14,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:14,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-06 06:43:14,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 06:43:14,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:14,478 INFO L85 PathProgramCache]: Analyzing trace with hash 455712737, now seen corresponding path program 3 times [2022-10-06 06:43:14,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:14,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255100576] [2022-10-06 06:43:14,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:14,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 74 proven. 57 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-06 06:43:14,612 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:14,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255100576] [2022-10-06 06:43:14,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255100576] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:14,612 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:14,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-06 06:43:14,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560844323] [2022-10-06 06:43:14,613 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:14,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-06 06:43:14,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:14,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-06 06:43:14,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-06 06:43:14,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:14,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:14,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:14,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:14,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2022-10-06 06:43:14,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:15,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:15,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:15,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 06:43:15,110 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:15,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:15,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1929416073, now seen corresponding path program 1 times [2022-10-06 06:43:15,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:15,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217663008] [2022-10-06 06:43:15,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:15,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1382 backedges. 1300 proven. 72 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-06 06:43:15,889 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:15,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217663008] [2022-10-06 06:43:15,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217663008] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:15,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:15,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2022-10-06 06:43:15,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616852748] [2022-10-06 06:43:15,889 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:15,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-10-06 06:43:15,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:15,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-10-06 06:43:15,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=868, Unknown=0, NotChecked=0, Total=1406 [2022-10-06 06:43:15,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:15,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:15,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 5.1891891891891895) internal successors, (192), 38 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:15,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:15,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:15,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:15,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:15,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:19,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:43:19,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 06:43:19,885 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:19,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:19,886 INFO L85 PathProgramCache]: Analyzing trace with hash -150929541, now seen corresponding path program 4 times [2022-10-06 06:43:19,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:19,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361751815] [2022-10-06 06:43:19,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:19,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:21,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 3301 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-06 06:43:21,301 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:21,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361751815] [2022-10-06 06:43:21,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361751815] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:21,301 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:21,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2022-10-06 06:43:21,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514241436] [2022-10-06 06:43:21,302 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:21,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-10-06 06:43:21,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:21,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-10-06 06:43:21,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1388, Invalid=1918, Unknown=0, NotChecked=0, Total=3306 [2022-10-06 06:43:21,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:21,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:21,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 57 states have (on average 5.368421052631579) internal successors, (306), 58 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:21,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:21,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:21,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:21,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:21,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:43:21,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:26,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:43:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-10-06 06:43:26,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-06 06:43:26,738 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:26,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:26,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1583440493, now seen corresponding path program 2 times [2022-10-06 06:43:26,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:26,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093999860] [2022-10-06 06:43:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:26,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:27,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6120 backedges. 535 proven. 888 refuted. 0 times theorem prover too weak. 4697 trivial. 0 not checked. [2022-10-06 06:43:27,088 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:27,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093999860] [2022-10-06 06:43:27,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093999860] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:27,091 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:27,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-06 06:43:27,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280271729] [2022-10-06 06:43:27,092 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:27,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-06 06:43:27,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:27,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-06 06:43:27,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-06 06:43:27,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:27,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:27,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:27,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:43:27,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-10-06 06:43:27,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:43:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-10-06 06:43:30,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-06 06:43:30,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-06 06:43:30,243 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 06:43:30,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 06:43:30,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1164371056, now seen corresponding path program 3 times [2022-10-06 06:43:30,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 06:43:30,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656628152] [2022-10-06 06:43:30,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 06:43:30,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 06:43:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 06:43:32,407 INFO L134 CoverageAnalysis]: Checked inductivity of 6813 backedges. 6666 proven. 141 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-06 06:43:32,408 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 06:43:32,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656628152] [2022-10-06 06:43:32,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656628152] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 06:43:32,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 06:43:32,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2022-10-06 06:43:32,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525568641] [2022-10-06 06:43:32,408 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 06:43:32,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2022-10-06 06:43:32,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 06:43:32,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2022-10-06 06:43:32,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2495, Invalid=3205, Unknown=0, NotChecked=0, Total=5700 [2022-10-06 06:43:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 06:43:32,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 06:43:32,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 75 states have (on average 5.586666666666667) internal successors, (419), 76 states have internal predecessors, (419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-06 06:43:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.