/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.line1422.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 14:39:50,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 14:39:50,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 14:39:50,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 14:39:50,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 14:39:50,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 14:39:50,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 14:39:50,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 14:39:50,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 14:39:50,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 14:39:50,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 14:39:50,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 14:39:50,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 14:39:50,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 14:39:50,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 14:39:50,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 14:39:50,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 14:39:50,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 14:39:50,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 14:39:50,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 14:39:50,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 14:39:50,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 14:39:50,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 14:39:50,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 14:39:50,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 14:39:50,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 14:39:50,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 14:39:50,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 14:39:50,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-24 14:39:50,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 14:39:50,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 14:39:50,419 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 14:39:50,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 14:39:50,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 14:39:50,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 14:39:50,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 14:39:50,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 14:39:50,420 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 14:39:50,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 14:39:50,420 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 14:39:50,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 14:39:50,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 14:39:50,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 14:39:50,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 14:39:50,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:39:50,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 14:39:50,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 14:39:50,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 14:39:50,423 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 14:39:50,423 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 14:39:50,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 14:39:50,423 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 14:39:50,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 14:39:50,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 14:39:50,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 14:39:50,726 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 14:39:50,729 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 14:39:50,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1422.bpl [2022-10-24 14:39:50,730 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line1422.bpl' [2022-10-24 14:39:50,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 14:39:50,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 14:39:50,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 14:39:50,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 14:39:50,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 14:39:50,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,877 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 14:39:50,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 14:39:50,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 14:39:50,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 14:39:50,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 14:39:50,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 14:39:50,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 14:39:50,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 14:39:50,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 14:39:50,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/1) ... [2022-10-24 14:39:50,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 14:39:50,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:39:50,978 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 14:39:50,996 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 14:39:51,022 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 14:39:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 14:39:51,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 14:39:51,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 14:39:51,024 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 14:39:51,172 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 14:39:51,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 14:39:52,119 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 14:39:52,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 14:39:52,139 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 14:39:52,149 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:39:52 BoogieIcfgContainer [2022-10-24 14:39:52,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 14:39:52,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 14:39:52,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 14:39:52,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 14:39:52,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 02:39:50" (1/2) ... [2022-10-24 14:39:52,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@981e298 and model type divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 02:39:52, skipping insertion in model container [2022-10-24 14:39:52,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line1422.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 02:39:52" (2/2) ... [2022-10-24 14:39:52,154 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line1422.bpl [2022-10-24 14:39:52,159 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 14:39:52,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 14:39:52,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 14:39:52,165 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 14:39:52,331 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 14:39:52,393 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 14:39:52,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 14:39:52,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 14:39:52,406 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 14:39:52,439 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 14:39:52,454 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 14:39:52,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 14:39:52,473 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;@69deb64a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 14:39:52,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 14:39:52,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:39:52,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:39:52,857 INFO L85 PathProgramCache]: Analyzing trace with hash 659997924, now seen corresponding path program 1 times [2022-10-24 14:39:52,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:39:52,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195983394] [2022-10-24 14:39:52,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:39:52,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:39:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:39:53,342 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 14:39:53,343 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:39:53,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195983394] [2022-10-24 14:39:53,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195983394] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:39:53,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:39:53,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 14:39:53,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748889516] [2022-10-24 14:39:53,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:39:53,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 14:39:53,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:39:53,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 14:39:53,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 14:39:53,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:53,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:39:53,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 303.0) internal successors, (606), 2 states have internal predecessors, (606), 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 14:39:53,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:53,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:53,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 14:39:53,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:39:53,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:39:53,502 INFO L85 PathProgramCache]: Analyzing trace with hash -707033995, now seen corresponding path program 1 times [2022-10-24 14:39:53,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:39:53,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760889954] [2022-10-24 14:39:53,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:39:53,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:39:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:39:54,274 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 14:39:54,275 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:39:54,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760889954] [2022-10-24 14:39:54,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760889954] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 14:39:54,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 14:39:54,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-10-24 14:39:54,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884065598] [2022-10-24 14:39:54,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 14:39:54,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-24 14:39:54,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:39:54,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-24 14:39:54,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-10-24 14:39:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:54,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:39:54,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 42.0) internal successors, (672), 17 states have internal predecessors, (672), 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 14:39:54,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:54,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-24 14:39:56,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 14:39:56,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:39:56,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:39:56,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1021373141, now seen corresponding path program 1 times [2022-10-24 14:39:56,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:39:56,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865470068] [2022-10-24 14:39:56,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:39:56,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:39:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:39:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 143 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-24 14:39:56,876 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:39:56,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865470068] [2022-10-24 14:39:56,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865470068] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:39:56,877 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:39:56,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-24 14:39:56,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397627585] [2022-10-24 14:39:56,877 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:39:56,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-24 14:39:56,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:39:56,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-24 14:39:56,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-10-24 14:39:56,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:56,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:39:56,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 71.42857142857143) internal successors, (1000), 15 states have internal predecessors, (1000), 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 14:39:56,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:56,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-24 14:39:56,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:58,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:58,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-24 14:39:58,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 14:39:58,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 14:39:58,047 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 14:39:58,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 14:39:58,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1630997717, now seen corresponding path program 1 times [2022-10-24 14:39:58,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 14:39:58,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690130826] [2022-10-24 14:39:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 14:39:58,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 14:39:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 14:39:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-10-24 14:39:58,468 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 14:39:58,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690130826] [2022-10-24 14:39:58,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690130826] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 14:39:58,468 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 14:39:58,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-24 14:39:58,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916190890] [2022-10-24 14:39:58,469 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 14:39:58,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-24 14:39:58,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 14:39:58,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-24 14:39:58,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-10-24 14:39:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:58,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 14:39:58,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 79.63636363636364) internal successors, (876), 12 states have internal predecessors, (876), 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 14:39:58,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 14:39:58,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2022-10-24 14:39:58,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2022-10-24 14:39:58,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.