/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 85 --traceabstraction.coinflip.random.seed 0 --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 03:46:08,109 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-06 03:46:08,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-06 03:46:08,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-06 03:46:08,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-06 03:46:08,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-06 03:46:08,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-06 03:46:08,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-06 03:46:08,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-06 03:46:08,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-06 03:46:08,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-06 03:46:08,167 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-06 03:46:08,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-06 03:46:08,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-06 03:46:08,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-06 03:46:08,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-06 03:46:08,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-06 03:46:08,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-06 03:46:08,204 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 03:46:08,221 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-06 03:46:08,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-06 03:46:08,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-06 03:46:08,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-06 03:46:08,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-06 03:46:08,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-06 03:46:08,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-06 03:46:08,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-06 03:46:08,223 INFO L138 SettingsManager]: * Use SBE=true [2022-10-06 03:46:08,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-06 03:46:08,223 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-06 03:46:08,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-06 03:46:08,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-06 03:46:08,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-06 03:46:08,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-06 03:46:08,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-06 03:46:08,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 03:46:08,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-06 03:46:08,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-06 03:46:08,226 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-06 03:46:08,226 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-06 03:46:08,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-06 03:46:08,226 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-06 03:46:08,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 85 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-06 03:46:08,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-06 03:46:08,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-06 03:46:08,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-06 03:46:08,547 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-06 03:46:08,549 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-06 03:46:08,551 INFO L432 ainManager$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 03:46:08,552 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1.bpl' [2022-10-06 03:46:08,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-06 03:46:08,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-06 03:46:08,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-06 03:46:08,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-06 03:46:08,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-06 03:46:08,600 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,612 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,619 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-06 03:46:08,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-06 03:46:08,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-06 03:46:08,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-06 03:46:08,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-06 03:46:08,632 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,634 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,635 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,635 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,640 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,646 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,648 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-06 03:46:08,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-06 03:46:08,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-06 03:46:08,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-06 03:46:08,651 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 03:46:08" (1/1) ... [2022-10-06 03:46:08,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-06 03:46:08,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 03:46:08,689 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 03:46:08,697 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 03:46:08,725 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-06 03:46:08,725 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-06 03:46:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-06 03:46:08,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-06 03:46:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-06 03:46:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-06 03:46:08,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-06 03:46:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-06 03:46:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-06 03:46:08,726 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-06 03:46:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-06 03:46:08,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-06 03:46:08,727 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 03:46:08,776 INFO L234 CfgBuilder]: Building ICFG [2022-10-06 03:46:08,779 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-06 03:46:08,931 INFO L275 CfgBuilder]: Performing block encoding [2022-10-06 03:46:08,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-06 03:46:08,937 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-06 03:46:08,938 INFO L202 PluginConnector]: Adding new model map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 03:46:08 BoogieIcfgContainer [2022-10-06 03:46:08,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-06 03:46:08,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-06 03:46:08,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-06 03:46:08,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-06 03:46:08,942 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 03:46:08" (1/2) ... [2022-10-06 03:46:08,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf6da52 and model type map-aggr-update1.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 03:46:08, skipping insertion in model container [2022-10-06 03:46:08,943 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 03:46:08" (2/2) ... [2022-10-06 03:46:08,944 INFO L112 eAbstractionObserver]: Analyzing ICFG map-aggr-update1.bpl [2022-10-06 03:46:08,958 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-06 03:46:08,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-06 03:46:08,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-06 03:46:08,965 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-06 03:46:09,001 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-10-06 03:46:09,049 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-06 03:46:09,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-06 03:46:09,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-06 03:46:09,083 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 03:46:09,118 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 03:46:09,124 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 03:46:09,156 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-06 03:46:09,156 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-06 03:46:09,156 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-06 03:46:09,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-06 03:46:09,183 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;@55e790df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-06 03:46:09,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-06 03:46:09,558 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:46:09,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:46:09,563 INFO L85 PathProgramCache]: Analyzing trace with hash -581566541, now seen corresponding path program 1 times [2022-10-06 03:46:09,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:46:09,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187782383] [2022-10-06 03:46:09,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:46:09,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:46:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:46:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 67 proven. 80 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-10-06 03:46:10,142 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:46:10,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187782383] [2022-10-06 03:46:10,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187782383] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:46:10,144 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:46:10,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2022-10-06 03:46:10,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626340046] [2022-10-06 03:46:10,148 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:46:10,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-06 03:46:10,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:46:10,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-06 03:46:10,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2022-10-06 03:46:10,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:10,246 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:46:10,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.7777777777777777) internal successors, (68), 19 states have internal predecessors, (68), 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 03:46:10,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:11,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-06 03:46:11,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-06 03:46:11,206 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:46:11,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:46:11,209 INFO L85 PathProgramCache]: Analyzing trace with hash 224546528, now seen corresponding path program 2 times [2022-10-06 03:46:11,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:46:11,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065804795] [2022-10-06 03:46:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:46:11,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:46:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:46:12,155 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 478 proven. 500 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-06 03:46:12,156 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:46:12,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065804795] [2022-10-06 03:46:12,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065804795] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:46:12,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:46:12,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2022-10-06 03:46:12,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918516571] [2022-10-06 03:46:12,158 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:46:12,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-06 03:46:12,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:46:12,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-06 03:46:12,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=1497, Unknown=0, NotChecked=0, Total=1892 [2022-10-06 03:46:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:12,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:46:12,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 3.4651162790697674) internal successors, (149), 44 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 03:46:12,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-06 03:46:12,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:14,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:14,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-06 03:46:14,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-06 03:46:14,438 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:46:14,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:46:14,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2051763755, now seen corresponding path program 1 times [2022-10-06 03:46:14,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:46:14,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198552311] [2022-10-06 03:46:14,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:46:14,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:46:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:46:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1724 backedges. 668 proven. 1054 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-06 03:46:15,600 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:46:15,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198552311] [2022-10-06 03:46:15,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198552311] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:46:15,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:46:15,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2022-10-06 03:46:15,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091713030] [2022-10-06 03:46:15,602 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:46:15,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-10-06 03:46:15,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:46:15,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-10-06 03:46:15,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=2357, Unknown=0, NotChecked=0, Total=2862 [2022-10-06 03:46:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:15,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:46:15,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 3.69811320754717) internal successors, (196), 54 states have internal predecessors, (196), 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 03:46:15,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:15,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2022-10-06 03:46:15,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-06 03:46:18,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-06 03:46:18,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-06 03:46:18,242 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:46:18,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:46:18,243 INFO L85 PathProgramCache]: Analyzing trace with hash 805023124, now seen corresponding path program 1 times [2022-10-06 03:46:18,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:46:18,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808354346] [2022-10-06 03:46:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:46:18,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:46:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:46:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1389 backedges. 684 proven. 699 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-06 03:46:19,450 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:46:19,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808354346] [2022-10-06 03:46:19,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808354346] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:46:19,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:46:19,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2022-10-06 03:46:19,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513261577] [2022-10-06 03:46:19,451 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:46:19,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-10-06 03:46:19,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:46:19,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-10-06 03:46:19,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=522, Invalid=2448, Unknown=0, NotChecked=0, Total=2970 [2022-10-06 03:46:19,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:19,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:46:19,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.5) internal successors, (189), 55 states have internal predecessors, (189), 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 03:46:19,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:19,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-06 03:46:19,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-10-06 03:46:19,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-06 03:46:28,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-06 03:46:28,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-10-06 03:46:28,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-06 03:46:28,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:46:28,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:46:28,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1637030172, now seen corresponding path program 1 times [2022-10-06 03:46:28,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:46:28,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872105779] [2022-10-06 03:46:28,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:46:28,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:46:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:46:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2187 backedges. 1078 proven. 1098 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-06 03:46:29,465 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:46:29,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872105779] [2022-10-06 03:46:29,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872105779] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:46:29,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:46:29,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2022-10-06 03:46:29,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631259807] [2022-10-06 03:46:29,467 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:46:29,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-10-06 03:46:29,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:46:29,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-10-06 03:46:29,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=864, Invalid=3558, Unknown=0, NotChecked=0, Total=4422 [2022-10-06 03:46:29,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:29,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:46:29,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 66 states have (on average 3.4393939393939394) internal successors, (227), 67 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-06 03:46:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-06 03:46:29,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-10-06 03:46:29,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-10-06 03:46:29,475 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:32,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-06 03:46:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-10-06 03:46:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-10-06 03:46:32,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-06 03:46:32,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-06 03:46:32,462 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-06 03:46:32,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-06 03:46:32,463 INFO L85 PathProgramCache]: Analyzing trace with hash -309801648, now seen corresponding path program 2 times [2022-10-06 03:46:32,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-06 03:46:32,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122310007] [2022-10-06 03:46:32,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-06 03:46:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-06 03:46:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-06 03:46:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6139 backedges. 2592 proven. 3520 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-06 03:46:35,971 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-06 03:46:35,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122310007] [2022-10-06 03:46:35,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122310007] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-06 03:46:35,971 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-06 03:46:35,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2022-10-06 03:46:35,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683454414] [2022-10-06 03:46:35,972 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-06 03:46:35,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2022-10-06 03:46:35,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-06 03:46:35,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2022-10-06 03:46:35,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2680, Invalid=10892, Unknown=0, NotChecked=0, Total=13572 [2022-10-06 03:46:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-06 03:46:35,986 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-06 03:46:35,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 116 states have (on average 3.1982758620689653) internal successors, (371), 117 states have internal predecessors, (371), 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 03:46:35,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2022-10-06 03:46:35,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2022-10-06 03:46:35,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2022-10-06 03:46:35,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2022-10-06 03:46:35,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-06 03:46:35,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.