/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1185.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 14:29:27,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 14:29:27,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 14:29:27,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 14:29:27,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 14:29:27,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 14:29:27,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 14:29:27,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 14:29:27,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 14:29:27,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 14:29:27,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 14:29:27,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 14:29:27,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 14:29:27,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 14:29:27,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 14:29:27,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 14:29:27,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 14:29:27,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 14:29:27,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 14:29:27,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 14:29:27,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 14:29:27,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 14:29:27,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 14:29:27,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 14:29:27,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 14:29:27,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 14:29:27,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 14:29:27,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 14:29:27,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-24 14:29:27,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 14:29:27,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 14:29:27,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 14:29:27,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 14:29:27,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 14:29:27,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 14:29:27,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 14:29:27,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 14:29:27,847 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 14:29:27,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 14:29:27,847 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 14:29:27,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 14:29:27,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:29:27,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 14:29:27,849 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 14:29:27,850 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 14:29:27,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 14:29:27,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 14:29:27,850 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 14:29:27,850 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 14:29:27,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 14:29:27,850 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 14:29:28,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 14:29:28,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 14:29:28,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 14:29:28,131 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 14:29:28,131 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 14:29:28,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1185.bpl [2022-10-24 14:29:28,133 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1185.bpl' [2022-10-24 14:29:28,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 14:29:28,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 14:29:28,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 14:29:28,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 14:29:28,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 14:29:28,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,278 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 14:29:28,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 14:29:28,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 14:29:28,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 14:29:28,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 14:29:28,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 14:29:28,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 14:29:28,376 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 14:29:28,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 14:29:28,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/1) ... [2022-10-24 14:29:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:29:28,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:29:28,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-24 14:29:28,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-24 14:29:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 14:29:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 14:29:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 14:29:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 14:29:28,460 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-24 14:29:28,578 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 14:29:28,579 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 14:29:29,508 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 14:29:29,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 14:29:29,530 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 14:29:29,534 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:29:29 BoogieIcfgContainer [2022-10-24 14:29:29,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 14:29:29,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 14:29:29,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 14:29:29,539 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 14:29:29,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:29:28" (1/2) ... [2022-10-24 14:29:29,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62d09718 and model type divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:29:29, skipping insertion in model container [2022-10-24 14:29:29,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1185.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:29:29" (2/2) ... [2022-10-24 14:29:29,541 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1185.bpl [2022-10-24 14:29:29,546 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 14:29:29,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 14:29:29,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 14:29:29,553 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 14:29:29,646 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 14:29:29,697 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 14:29:29,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 14:29:29,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:29:29,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-10-24 14:29:29,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-10-24 14:29:29,760 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 14:29:29,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 14:29:29,774 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;@32d5677c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:29:29,775 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 14:29:30,080 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:29:30,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:29:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1210889625, now seen corresponding path program 1 times [2022-10-24 14:29:30,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:29:30,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606133530] [2022-10-24 14:29:30,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:29:30,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:29:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:29:30,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 14:29:30,543 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:29:30,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606133530] [2022-10-24 14:29:30,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606133530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:29:30,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:29:30,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 14:29:30,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324878774] [2022-10-24 14:29:30,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:29:30,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 14:29:30,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:29:30,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 14:29:30,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 14:29:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:30,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:29:30,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 206.0) internal successors, (412), 2 states have internal predecessors, (412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 14:29:30,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:30,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 14:29:30,778 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:29:30,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:29:30,779 INFO L85 PathProgramCache]: Analyzing trace with hash -581811797, now seen corresponding path program 1 times [2022-10-24 14:29:30,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:29:30,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101926778] [2022-10-24 14:29:30,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:29:30,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:29:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:29:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 14:29:31,324 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:29:31,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101926778] [2022-10-24 14:29:31,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101926778] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:29:31,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:29:31,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-24 14:29:31,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948819139] [2022-10-24 14:29:31,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:29:31,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-24 14:29:31,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:29:31,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-24 14:29:31,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-10-24 14:29:31,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:31,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:29:31,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 39.916666666666664) internal successors, (479), 13 states have internal predecessors, (479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 14:29:31,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:31,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:29:34,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 14:29:34,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:29:34,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:29:34,635 INFO L85 PathProgramCache]: Analyzing trace with hash 973450974, now seen corresponding path program 1 times [2022-10-24 14:29:34,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:29:34,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487222543] [2022-10-24 14:29:34,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:29:34,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:29:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:29:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 47755 backedges. 4779 proven. 18117 refuted. 0 times theorem prover too weak. 24859 trivial. 0 not checked. [2022-10-24 14:29:49,992 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:29:49,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487222543] [2022-10-24 14:29:49,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487222543] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:29:49,992 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:29:49,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2022-10-24 14:29:49,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813449929] [2022-10-24 14:29:49,993 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:29:49,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2022-10-24 14:29:49,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:29:49,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2022-10-24 14:29:49,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=5044, Unknown=0, NotChecked=0, Total=5256 [2022-10-24 14:29:49,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:50,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:29:50,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 42.24657534246575) internal successors, (3084), 73 states have internal predecessors, (3084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 14:29:50,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:29:50,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:29:50,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:04,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:30:04,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-24 14:30:04,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 14:30:04,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:30:04,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:30:04,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1418010446, now seen corresponding path program 1 times [2022-10-24 14:30:04,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:30:04,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647888012] [2022-10-24 14:30:04,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:30:04,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:30:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:30:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 154102 backedges. 72806 proven. 0 refuted. 0 times theorem prover too weak. 81296 trivial. 0 not checked. [2022-10-24 14:30:29,590 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:30:29,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647888012] [2022-10-24 14:30:29,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647888012] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:30:29,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:30:29,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-10-24 14:30:29,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710665783] [2022-10-24 14:30:29,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:30:29,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-24 14:30:29,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:30:29,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-24 14:30:29,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2022-10-24 14:30:29,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:29,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:30:29,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 84.52380952380952) internal successors, (1775), 21 states have internal predecessors, (1775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-24 14:30:29,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:30:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-24 14:30:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2022-10-24 14:30:29,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.