/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/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line394.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 15:46:19,491 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-10-24 15:46:19,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 15:46:19,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 15:46:19,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 15:46:19,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 15:46:19,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 15:46:19,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 15:46:19,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 15:46:19,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 15:46:19,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 15:46:19,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 15:46:19,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 15:46:19,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 15:46:19,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 15:46:19,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 15:46:19,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 15:46:19,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 15:46:19,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSyntactic.epf [2022-10-24 15:46:19,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 15:46:19,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 15:46:19,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 15:46:19,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 15:46:19,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 15:46:19,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 15:46:19,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 15:46:19,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 15:46:19,644 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 15:46:19,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 15:46:19,644 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 15:46:19,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 15:46:19,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 15:46:19,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 15:46:19,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 15:46:19,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 15:46:19,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 15:46:19,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 15:46:19,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 15:46:19,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 15:46:19,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 15:46:19,647 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 15:46:19,647 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 15:46:19,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 15:46:19,647 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 [2022-10-24 15:46:19,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 15:46:19,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 15:46:19,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 15:46:19,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 15:46:19,986 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 15:46:19,987 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 15:46:19,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line394.bpl [2022-10-24 15:46:19,990 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk26/divinefifo_1w1r.line394.bpl' [2022-10-24 15:46:20,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 15:46:20,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 15:46:20,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 15:46:20,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 15:46:20,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 15:46:20,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,126 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 15:46:20,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 15:46:20,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 15:46:20,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 15:46:20,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 15:46:20,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 15:46:20,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 15:46:20,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 15:46:20,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 15:46:20,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/1) ... [2022-10-24 15:46:20,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 15:46:20,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 15:46:20,253 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 15:46:20,279 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 15:46:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 15:46:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 15:46:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 15:46:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 15:46:20,295 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 15:46:20,493 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 15:46:20,494 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 15:46:21,522 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 15:46:21,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 15:46:21,558 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 15:46:21,562 INFO L202 PluginConnector]: Adding new model divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:46:21 BoogieIcfgContainer [2022-10-24 15:46:21,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 15:46:21,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 15:46:21,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 15:46:21,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 15:46:21,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 03:46:20" (1/2) ... [2022-10-24 15:46:21,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fa30c0 and model type divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:46:21, skipping insertion in model container [2022-10-24 15:46:21,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo_1w1r.line394.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:46:21" (2/2) ... [2022-10-24 15:46:21,568 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo_1w1r.line394.bpl [2022-10-24 15:46:21,580 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 15:46:21,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 15:46:21,588 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 15:46:21,588 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 15:46:21,735 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 15:46:21,838 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 15:46:21,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 15:46:21,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 15:46:21,841 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 15:46:21,847 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 15:46:21,865 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:46:21,878 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 15:46:21,878 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 15:46:21,878 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 15:46:21,884 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 15:46:21,889 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;@4cd48bb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:46:21,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 15:46:21,893 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-24 15:46:21,895 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 15:46:21,899 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 15:46:21,901 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-10-24 15:46:21,914 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 15:46:21,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 15:46:21,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 15:46:21,916 INFO L229 MonitoredProcess]: Starting monitored process 3 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 15:46:21,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-10-24 15:46:21,920 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:46:21,921 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 15:46:21,922 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 15:46:21,922 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 15:46:21,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 15:46:21,923 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;@4cd48bb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:46:21,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 15:46:22,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 15:46:22,008 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 15:46:22,009 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-10-24 15:46:22,026 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 15:46:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 15:46:22,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 15:46:22,049 INFO L229 MonitoredProcess]: Starting monitored process 4 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 15:46:22,057 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:46:22,059 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2022-10-24 15:46:22,059 WARN L162 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2022-10-24 15:46:22,059 WARN L163 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2022-10-24 15:46:22,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 15:46:22,060 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;@4cd48bb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 15:46:22,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 15:46:22,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-10-24 15:46:22,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:46:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:46:22,357 INFO L85 PathProgramCache]: Analyzing trace with hash -610766019, now seen corresponding path program 1 times [2022-10-24 15:46:22,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:46:22,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422334436] [2022-10-24 15:46:22,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:46:22,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:46:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:46:22,811 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 15:46:22,811 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:46:22,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422334436] [2022-10-24 15:46:22,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422334436] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:46:22,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:46:22,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 15:46:22,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662258349] [2022-10-24 15:46:22,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:46:22,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 15:46:22,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:46:22,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 15:46:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 15:46:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:22,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:46:22,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.5) internal successors, (321), 2 states have internal predecessors, (321), 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 15:46:22,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:22,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:22,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 15:46:22,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:46:22,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:46:22,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1712931949, now seen corresponding path program 1 times [2022-10-24 15:46:22,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:46:22,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336264610] [2022-10-24 15:46:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:46:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:46:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:46:23,357 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 15:46:23,357 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:46:23,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336264610] [2022-10-24 15:46:23,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336264610] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:46:23,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:46:23,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-10-24 15:46:23,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514770000] [2022-10-24 15:46:23,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:46:23,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-24 15:46:23,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:46:23,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-24 15:46:23,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-10-24 15:46:23,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:23,361 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:46:23,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 26.666666666666668) internal successors, (320), 13 states have internal predecessors, (320), 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 15:46:23,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:23,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:32,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:32,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:46:32,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 15:46:32,963 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:46:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:46:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1926667805, now seen corresponding path program 1 times [2022-10-24 15:46:32,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:46:32,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122670357] [2022-10-24 15:46:32,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:46:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:46:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:46:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 585 proven. 41 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-10-24 15:46:45,817 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:46:45,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122670357] [2022-10-24 15:46:45,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122670357] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 15:46:45,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 15:46:45,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2022-10-24 15:46:45,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988445623] [2022-10-24 15:46:45,820 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 15:46:45,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2022-10-24 15:46:45,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:46:45,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2022-10-24 15:46:45,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=494, Invalid=18688, Unknown=0, NotChecked=0, Total=19182 [2022-10-24 15:46:45,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:45,841 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:46:45,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 7.81294964028777) internal successors, (1086), 139 states have internal predecessors, (1086), 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 15:46:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:46:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:46:45,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:28,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:47:28,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-10-24 15:47:28,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 15:47:28,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:47:28,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:47:28,781 INFO L85 PathProgramCache]: Analyzing trace with hash -566242311, now seen corresponding path program 1 times [2022-10-24 15:47:28,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:47:28,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539582735] [2022-10-24 15:47:28,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:47:28,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:47:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:47:29,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1094 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2022-10-24 15:47:29,020 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:47:29,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539582735] [2022-10-24 15:47:29,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539582735] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 15:47:29,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 15:47:29,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-24 15:47:29,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434376653] [2022-10-24 15:47:29,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 15:47:29,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-24 15:47:29,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:47:29,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-24 15:47:29,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-24 15:47:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:29,024 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:47:29,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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 15:47:29,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:29,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:47:29,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-10-24 15:47:29,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:36,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:47:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-10-24 15:47:36,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-24 15:47:36,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 15:47:36,197 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:47:36,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:47:36,198 INFO L85 PathProgramCache]: Analyzing trace with hash 172475106, now seen corresponding path program 1 times [2022-10-24 15:47:36,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:47:36,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581721195] [2022-10-24 15:47:36,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:47:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:47:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:47:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 3625 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 15:47:37,866 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:47:37,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581721195] [2022-10-24 15:47:37,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581721195] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 15:47:37,867 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 15:47:37,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-24 15:47:37,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130795225] [2022-10-24 15:47:37,867 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 15:47:37,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-24 15:47:37,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:47:37,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-24 15:47:37,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-10-24 15:47:37,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:37,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:47:37,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 192.45454545454547) internal successors, (2117), 11 states have internal predecessors, (2117), 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 15:47:37,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:47:37,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:47:37,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-10-24 15:47:37,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-24 15:47:37,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:48:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:48:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:48:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2022-10-24 15:48:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-24 15:48:10,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-24 15:48:10,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 15:48:10,162 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 15:48:10,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 15:48:10,162 INFO L85 PathProgramCache]: Analyzing trace with hash -660735756, now seen corresponding path program 1 times [2022-10-24 15:48:10,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 15:48:10,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082653638] [2022-10-24 15:48:10,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 15:48:10,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 15:48:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 15:48:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2595 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 2403 trivial. 0 not checked. [2022-10-24 15:48:11,964 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 15:48:11,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082653638] [2022-10-24 15:48:11,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082653638] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 15:48:11,964 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 15:48:11,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2022-10-24 15:48:11,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237861884] [2022-10-24 15:48:11,965 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 15:48:11,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-24 15:48:11,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 15:48:11,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-24 15:48:11,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2022-10-24 15:48:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:48:11,968 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 15:48:11,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 21.95) internal successors, (439), 21 states have internal predecessors, (439), 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 15:48:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 15:48:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-10-24 15:48:11,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 128 states. [2022-10-24 15:48:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-24 15:48:11,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-24 15:48:11,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.