/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line405.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 11:12:33,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 11:12:33,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 11:12:33,719 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 11:12:33,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 11:12:33,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 11:12:33,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 11:12:33,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 11:12:33,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 11:12:33,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 11:12:33,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 11:12:33,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 11:12:33,735 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 11:12:33,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 11:12:33,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 11:12:33,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 11:12:33,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 11:12:33,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 11:12:33,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 11:12:33,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 11:12:33,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 11:12:33,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 11:12:33,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 11:12:33,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 11:12:33,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 11:12:33,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-24 11:12:33,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 11:12:33,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 11:12:33,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 11:12:33,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 11:12:33,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 11:12:33,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 11:12:33,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 11:12:33,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 11:12:33,831 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 11:12:33,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 11:12:33,832 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 11:12:33,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 11:12:33,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 11:12:33,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 11:12:33,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 11:12:33,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 11:12:33,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 11:12:33,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 11:12:33,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 11:12:33,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 11:12:33,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 11:12:33,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 11:12:33,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 11:12:33,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 11:12:33,835 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 11:12:33,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 11:12:33,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 11:12:33,836 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 11:12:33,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 11:12:34,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 11:12:34,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 11:12:34,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 11:12:34,205 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 11:12:34,206 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 11:12:34,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line405.bpl [2022-10-24 11:12:34,208 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk25/divinefifo-bug_1w1r.line405.bpl' [2022-10-24 11:12:34,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 11:12:34,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 11:12:34,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 11:12:34,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 11:12:34,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 11:12:34,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,384 INFO L138 Inliner]: procedures = 2, calls = 1, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 11:12:34,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 11:12:34,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 11:12:34,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 11:12:34,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 11:12:34,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 11:12:34,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 11:12:34,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 11:12:34,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 11:12:34,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/1) ... [2022-10-24 11:12:34,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 11:12:34,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 11:12:34,501 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 11:12:34,530 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 11:12:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure pusher [2022-10-24 11:12:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pusher [2022-10-24 11:12:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 11:12:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 11:12:34,556 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 11:12:34,747 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 11:12:34,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 11:12:35,963 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 11:12:35,980 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 11:12:35,980 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 11:12:35,983 INFO L202 PluginConnector]: Adding new model divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:35 BoogieIcfgContainer [2022-10-24 11:12:35,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 11:12:35,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 11:12:35,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 11:12:35,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 11:12:35,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 11:12:34" (1/2) ... [2022-10-24 11:12:35,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bd013b4 and model type divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:12:35, skipping insertion in model container [2022-10-24 11:12:35,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "divinefifo-bug_1w1r.line405.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:35" (2/2) ... [2022-10-24 11:12:35,991 INFO L112 eAbstractionObserver]: Analyzing ICFG divinefifo-bug_1w1r.line405.bpl [2022-10-24 11:12:35,998 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 11:12:36,006 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 11:12:36,007 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 11:12:36,007 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 11:12:36,172 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-10-24 11:12:36,256 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 11:12:36,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 11:12:36,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 11:12:36,263 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 11:12:36,271 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 11:12:36,316 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 11:12:36,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 11:12:36,338 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;@6dfb60a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 11:12:36,338 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 11:12:36,343 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-24 11:12:36,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location pusherErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 11:12:36,349 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 11:12:36,351 INFO L307 ceAbstractionStarter]: Result for error location pusherErr0ASSERT_VIOLATIONASSERT was SAFE (1/3) [2022-10-24 11:12:36,366 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 11:12:36,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 11:12:36,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 11:12:36,368 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 11:12:36,369 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 11:12:36,373 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 11:12:36,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 11:12:36,374 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;@6dfb60a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 11:12:36,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 11:12:36,426 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 11:12:36,427 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 11:12:36,428 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/3) [2022-10-24 11:12:36,440 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 11:12:36,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 11:12:36,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 11:12:36,443 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 11:12:36,452 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 11:12:36,455 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 11:12:36,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == pusherErr0ASSERT_VIOLATIONASSERT ======== [2022-10-24 11:12:36,457 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;@6dfb60a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 11:12:36,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 11:12:36,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 11:12:36,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 11:12:36,530 INFO L85 PathProgramCache]: Analyzing trace with hash -82553105, now seen corresponding path program 1 times [2022-10-24 11:12:36,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 11:12:36,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28017033] [2022-10-24 11:12:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 11:12:36,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 11:12:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 11:12:37,053 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 11:12:37,053 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 11:12:37,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28017033] [2022-10-24 11:12:37,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28017033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 11:12:37,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 11:12:37,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 11:12:37,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651755316] [2022-10-24 11:12:37,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 11:12:37,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 11:12:37,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 11:12:37,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 11:12:37,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 11:12:37,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:37,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 11:12:37,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 165.0) internal successors, (330), 2 states have internal predecessors, (330), 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 11:12:37,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:37,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:37,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 11:12:37,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 11:12:37,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 11:12:37,204 INFO L85 PathProgramCache]: Analyzing trace with hash 715238241, now seen corresponding path program 1 times [2022-10-24 11:12:37,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 11:12:37,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903146507] [2022-10-24 11:12:37,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 11:12:37,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 11:12:37,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 11:12:38,682 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 11:12:38,683 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 11:12:38,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903146507] [2022-10-24 11:12:38,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903146507] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 11:12:38,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 11:12:38,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-10-24 11:12:38,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484321459] [2022-10-24 11:12:38,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 11:12:38,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-10-24 11:12:38,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 11:12:38,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-10-24 11:12:38,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2022-10-24 11:12:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:38,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 11:12:38,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 12.653846153846153) internal successors, (329), 27 states have internal predecessors, (329), 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 11:12:38,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:38,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:44,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-10-24 11:12:44,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 11:12:44,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 11:12:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 11:12:44,592 INFO L85 PathProgramCache]: Analyzing trace with hash 360518163, now seen corresponding path program 1 times [2022-10-24 11:12:44,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 11:12:44,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299741248] [2022-10-24 11:12:44,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 11:12:44,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 11:12:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 11:12:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 717 proven. 237 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-10-24 11:12:48,314 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 11:12:48,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299741248] [2022-10-24 11:12:48,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299741248] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 11:12:48,315 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 11:12:48,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2022-10-24 11:12:48,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816340047] [2022-10-24 11:12:48,315 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 11:12:48,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-10-24 11:12:48,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 11:12:48,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-10-24 11:12:48,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1854, Unknown=0, NotChecked=0, Total=1980 [2022-10-24 11:12:48,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:48,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 11:12:48,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 27.622222222222224) internal successors, (1243), 45 states have internal predecessors, (1243), 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 11:12:48,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:48,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-10-24 11:12:48,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:52,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:52,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-10-24 11:12:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-24 11:12:52,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 11:12:52,249 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 11:12:52,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 11:12:52,252 INFO L85 PathProgramCache]: Analyzing trace with hash 2084072794, now seen corresponding path program 1 times [2022-10-24 11:12:52,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 11:12:52,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385148879] [2022-10-24 11:12:52,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 11:12:52,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 11:12:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 11:12:52,484 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 394 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-10-24 11:12:52,484 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 11:12:52,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385148879] [2022-10-24 11:12:52,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385148879] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 11:12:52,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 11:12:52,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-24 11:12:52,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381147431] [2022-10-24 11:12:52,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 11:12:52,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-24 11:12:52,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 11:12:52,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-24 11:12:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-24 11:12:52,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:52,487 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 11:12:52,487 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 11:12:52,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:12:52,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-10-24 11:12:52,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2022-10-24 11:12:52,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:13:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:13:19,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-10-24 11:13:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-24 11:13:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-24 11:13:19,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 11:13:19,057 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 11:13:19,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 11:13:19,059 INFO L85 PathProgramCache]: Analyzing trace with hash 497639462, now seen corresponding path program 1 times [2022-10-24 11:13:19,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 11:13:19,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381035090] [2022-10-24 11:13:19,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 11:13:19,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 11:13:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 11:13:53,284 INFO L134 CoverageAnalysis]: Checked inductivity of 178235 backedges. 170966 proven. 7269 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-24 11:13:53,294 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 11:13:53,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381035090] [2022-10-24 11:13:53,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381035090] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 11:13:53,297 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 11:13:53,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2022-10-24 11:13:53,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327223656] [2022-10-24 11:13:53,299 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 11:13:53,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-10-24 11:13:53,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 11:13:53,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-10-24 11:13:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1178, Invalid=1272, Unknown=0, NotChecked=0, Total=2450 [2022-10-24 11:13:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:13:53,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 11:13:53,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 203.84) internal successors, (10192), 50 states have internal predecessors, (10192), 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 11:13:53,349 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:13:53,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-10-24 11:13:53,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-24 11:13:53,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-24 11:13:53,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:14:11,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:14:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-10-24 11:14:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-24 11:14:11,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-24 11:14:11,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-24 11:14:11,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 11:14:11,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting pusherErr0ASSERT_VIOLATIONASSERT === [pusherErr0ASSERT_VIOLATIONASSERT] === [2022-10-24 11:14:11,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 11:14:11,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1453796582, now seen corresponding path program 1 times [2022-10-24 11:14:11,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 11:14:11,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36540623] [2022-10-24 11:14:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 11:14:11,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 11:14:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 11:14:24,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2955 backedges. 1502 proven. 592 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-10-24 11:14:24,037 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 11:14:24,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36540623] [2022-10-24 11:14:24,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36540623] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 11:14:24,037 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 11:14:24,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2022-10-24 11:14:24,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791213048] [2022-10-24 11:14:24,037 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 11:14:24,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2022-10-24 11:14:24,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 11:14:24,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2022-10-24 11:14:24,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=600, Invalid=15402, Unknown=0, NotChecked=0, Total=16002 [2022-10-24 11:14:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:14:24,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 11:14:24,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 127 states have (on average 8.377952755905511) internal successors, (1064), 127 states have internal predecessors, (1064), 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 11:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 11:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2022-10-24 11:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 124 states. [2022-10-24 11:14:24,046 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-24 11:14:24,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-24 11:14:24,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.