/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 95 --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-update1-2modifiers.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-10 15:26:43,495 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-10 15:26:43,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-10 15:26:43,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-10 15:26:43,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-10 15:26:43,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-10 15:26:43,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-10 15:26:43,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-10 15:26:43,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-10 15:26:43,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-10 15:26:43,571 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-10 15:26:43,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-10 15:26:43,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-10 15:26:43,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-10 15:26:43,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-10 15:26:43,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-10 15:26:43,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-10 15:26:43,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-10 15:26:43,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-10 15:26:43,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-10 15:26:43,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-10 15:26:43,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-10 15:26:43,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-10 15:26:43,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-10 15:26:43,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-10 15:26:43,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-10 15:26:43,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-10 15:26:43,642 INFO L138 SettingsManager]: * Use SBE=true [2022-10-10 15:26:43,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-10 15:26:43,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-10 15:26:43,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-10 15:26:43,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-10 15:26:43,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-10 15:26:43,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-10 15:26:43,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-10 15:26:43,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-10 15:26:43,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-10 15:26:43,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-10 15:26:43,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-10 15:26:43,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-10 15:26:43,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-10 15:26:43,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-10 15:26:43,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-10 15:26:43,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-10 15:26:43,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 15:26:43,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-10 15:26:43,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-10 15:26:43,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-10 15:26:43,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-10 15:26:43,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-10 15:26:43,646 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-10 15:26:43,646 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-10 15:26:43,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-10 15:26:43,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-10 15:26:43,646 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-10 15:26:43,647 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-10 15:26:43,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-10 15:26:43,647 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-10 15:26:43,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip probability value -> 95 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip random seed -> 13 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Coinflip budget determination mode -> PURE [2022-10-10 15:26:43,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-10 15:26:43,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-10 15:26:44,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-10 15:26:44,000 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-10 15:26:44,003 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-10 15:26:44,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-2modifiers.bpl [2022-10-10 15:26:44,005 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/map-aggr-update1-2modifiers.bpl' [2022-10-10 15:26:44,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-10 15:26:44,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-10 15:26:44,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-10 15:26:44,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-10 15:26:44,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-10 15:26:44,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,069 INFO L138 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-10 15:26:44,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-10 15:26:44,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-10 15:26:44,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-10 15:26:44,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-10 15:26:44,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-10 15:26:44,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-10 15:26:44,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-10 15:26:44,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-10 15:26:44,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/1) ... [2022-10-10 15:26:44,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-10 15:26:44,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 15:26:44,124 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) [2022-10-10 15:26:44,131 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 [2022-10-10 15:26:44,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-10-10 15:26:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-10 15:26:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-10 15:26:44,157 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-10-10 15:26:44,157 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-10 15:26:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-10 15:26:44,158 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2022-10-10 15:26:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-10 15:26:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-10 15:26:44,158 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-10-10 15:26:44,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-10 15:26:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-10 15:26:44,159 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-10 15:26:44,204 INFO L234 CfgBuilder]: Building ICFG [2022-10-10 15:26:44,206 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-10 15:26:44,357 INFO L275 CfgBuilder]: Performing block encoding [2022-10-10 15:26:44,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-10 15:26:44,363 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-10 15:26:44,365 INFO L202 PluginConnector]: Adding new model map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:26:44 BoogieIcfgContainer [2022-10-10 15:26:44,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-10 15:26:44,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-10 15:26:44,367 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-10 15:26:44,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-10 15:26:44,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.10 03:26:44" (1/2) ... [2022-10-10 15:26:44,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7868d8ad and model type map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.10 03:26:44, skipping insertion in model container [2022-10-10 15:26:44,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "map-aggr-update1-2modifiers.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.10 03:26:44" (2/2) ... [2022-10-10 15:26:44,376 INFO L112 eAbstractionObserver]: Analyzing ICFG map-aggr-update1-2modifiers.bpl [2022-10-10 15:26:44,383 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-10 15:26:44,392 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-10 15:26:44,392 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-10 15:26:44,392 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-10 15:26:44,471 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-10-10 15:26:44,531 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-10 15:26:44,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-10 15:26:44,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-10 15:26:44,536 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) [2022-10-10 15:26:44,538 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 [2022-10-10 15:26:44,567 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 15:26:44,592 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-10 15:26:44,592 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-10 15:26:44,592 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-10 15:26:44,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-10 15:26:44,617 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;@1cfe0d6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-10 15:26:44,618 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-10 15:26:44,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:26:44,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:26:44,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1274868401, now seen corresponding path program 1 times [2022-10-10 15:26:44,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:26:44,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585027839] [2022-10-10 15:26:44,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:26:44,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:26:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:26:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 56 proven. 195 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 15:26:46,116 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:26:46,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585027839] [2022-10-10 15:26:46,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585027839] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:26:46,117 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:26:46,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2022-10-10 15:26:46,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755683320] [2022-10-10 15:26:46,119 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:26:46,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-10-10 15:26:46,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:26:46,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-10-10 15:26:46,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1354, Unknown=0, NotChecked=0, Total=1560 [2022-10-10 15:26:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:46,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:26:46,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 39 states have (on average 2.7435897435897436) internal successors, (107), 40 states have internal predecessors, (107), 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) [2022-10-10 15:26:46,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:47,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-10 15:26:47,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:26:47,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:26:47,233 INFO L85 PathProgramCache]: Analyzing trace with hash 269442659, now seen corresponding path program 2 times [2022-10-10 15:26:47,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:26:47,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140916134] [2022-10-10 15:26:47,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:26:47,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:26:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:26:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 86 proven. 188 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-10 15:26:47,416 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:26:47,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140916134] [2022-10-10 15:26:47,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140916134] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:26:47,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:26:47,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-10 15:26:47,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675505524] [2022-10-10 15:26:47,417 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:26:47,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-10 15:26:47,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:26:47,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-10 15:26:47,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-10 15:26:47,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:47,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:26:47,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.909090909090908) internal successors, (109), 11 states have internal predecessors, (109), 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) [2022-10-10 15:26:47,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:47,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:47,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:47,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-10 15:26:47,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-10 15:26:47,640 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:26:47,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:26:47,641 INFO L85 PathProgramCache]: Analyzing trace with hash 484298343, now seen corresponding path program 3 times [2022-10-10 15:26:47,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:26:47,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241295257] [2022-10-10 15:26:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:26:47,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:26:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:26:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 99 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-10 15:26:48,466 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:26:48,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241295257] [2022-10-10 15:26:48,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241295257] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:26:48,466 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:26:48,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2022-10-10 15:26:48,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351694423] [2022-10-10 15:26:48,467 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:26:48,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-10-10 15:26:48,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:26:48,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-10-10 15:26:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1755, Unknown=0, NotChecked=0, Total=1980 [2022-10-10 15:26:48,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:48,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:26:48,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 3.25) internal successors, (143), 45 states have internal predecessors, (143), 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) [2022-10-10 15:26:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2022-10-10 15:26:48,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:51,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:51,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-10 15:26:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-10-10 15:26:51,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-10 15:26:51,305 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:26:51,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:26:51,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1971457923, now seen corresponding path program 4 times [2022-10-10 15:26:51,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:26:51,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557233311] [2022-10-10 15:26:51,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:26:51,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:26:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:26:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1978 backedges. 946 proven. 285 refuted. 0 times theorem prover too weak. 747 trivial. 0 not checked. [2022-10-10 15:26:51,577 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:26:51,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557233311] [2022-10-10 15:26:51,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557233311] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:26:51,578 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:26:51,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2022-10-10 15:26:51,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055018584] [2022-10-10 15:26:51,578 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:26:51,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-10 15:26:51,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:26:51,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-10 15:26:51,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-10-10 15:26:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:51,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:26:51,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 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) [2022-10-10 15:26:51,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:51,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-10 15:26:51,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-10-10 15:26:51,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-10 15:26:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-10-10 15:26:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:26:51,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-10 15:26:51,950 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:26:51,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:26:51,950 INFO L85 PathProgramCache]: Analyzing trace with hash 808796445, now seen corresponding path program 5 times [2022-10-10 15:26:51,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:26:51,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258251207] [2022-10-10 15:26:51,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:26:51,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:26:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:26:54,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2990 backedges. 1016 proven. 1967 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-10 15:26:54,711 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:26:54,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258251207] [2022-10-10 15:26:54,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258251207] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:26:54,712 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:26:54,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2022-10-10 15:26:54,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341252333] [2022-10-10 15:26:54,712 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:26:54,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2022-10-10 15:26:54,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:26:54,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2022-10-10 15:26:54,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1084, Invalid=7288, Unknown=0, NotChecked=0, Total=8372 [2022-10-10 15:26:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:26:54,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:26:54,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 91 states have (on average 3.4065934065934065) internal successors, (310), 92 states have internal predecessors, (310), 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) [2022-10-10 15:26:54,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:26:54,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-10 15:26:54,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2022-10-10 15:26:54,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:26:54,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:27:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:27:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-10 15:27:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-10-10 15:27:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:27:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-10 15:27:00,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-10 15:27:00,175 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-10 15:27:00,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-10 15:27:00,175 INFO L85 PathProgramCache]: Analyzing trace with hash 614320138, now seen corresponding path program 6 times [2022-10-10 15:27:00,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-10 15:27:00,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888183559] [2022-10-10 15:27:00,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-10 15:27:00,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-10 15:27:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-10 15:27:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 20384 backedges. 8492 proven. 11806 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-10-10 15:27:12,490 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-10 15:27:12,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888183559] [2022-10-10 15:27:12,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888183559] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-10 15:27:12,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-10 15:27:12,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [207] total 207 [2022-10-10 15:27:12,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61462893] [2022-10-10 15:27:12,493 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-10 15:27:12,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 208 states [2022-10-10 15:27:12,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-10 15:27:12,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 208 interpolants. [2022-10-10 15:27:12,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9509, Invalid=33547, Unknown=0, NotChecked=0, Total=43056 [2022-10-10 15:27:12,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-10 15:27:12,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-10 15:27:12,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 208 states, 207 states have (on average 3.5120772946859904) internal successors, (727), 208 states have internal predecessors, (727), 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) [2022-10-10 15:27:12,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-10 15:27:12,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-10 15:27:12,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2022-10-10 15:27:12,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-10 15:27:12,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-10-10 15:27:12,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.