/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/chunk27/chl-nzb-file-subst.wvr.line826.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 16:21:09,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 16:21:09,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 16:21:09,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 16:21:09,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 16:21:09,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 16:21:09,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 16:21:09,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 16:21:09,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 16:21:09,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 16:21:09,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 16:21:09,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 16:21:09,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 16:21:09,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 16:21:09,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 16:21:09,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 16:21:09,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 16:21:09,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 16:21:09,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 16:21:09,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 16:21:09,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 16:21:09,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 16:21:09,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 16:21:09,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 16:21:09,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-24 16:21:09,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-24 16:21:09,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-24 16:21:09,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-24 16:21:09,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-24 16:21:09,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-10-24 16:21:09,344 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2022-10-24 16:21:09,376 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 16:21:09,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 16:21:09,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 16:21:09,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 16:21:09,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 16:21:09,377 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 16:21:09,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 16:21:09,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 16:21:09,378 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 16:21:09,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 16:21:09,378 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 16:21:09,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 16:21:09,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 16:21:09,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 16:21:09,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 16:21:09,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 16:21:09,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 16:21:09,380 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 16:21:09,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 16:21:09,381 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 16:21:09,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 16:21:09,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 16:21:09,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 16:21:09,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 16:21:09,700 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 16:21:09,702 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 16:21:09,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-subst.wvr.line826.bpl [2022-10-24 16:21:09,703 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-subst.wvr.line826.bpl' [2022-10-24 16:21:09,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 16:21:09,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 16:21:09,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 16:21:09,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 16:21:09,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 16:21:09,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,824 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 16:21:09,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 16:21:09,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 16:21:09,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 16:21:09,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 16:21:09,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 16:21:09,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 16:21:09,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 16:21:09,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 16:21:09,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/1) ... [2022-10-24 16:21:09,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 16:21:09,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 16:21:09,941 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 16:21:09,951 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 16:21:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-24 16:21:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-24 16:21:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-24 16:21:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-24 16:21:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 16:21:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 16:21:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-24 16:21:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-24 16:21:09,973 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 16:21:10,074 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 16:21:10,075 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 16:21:10,966 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 16:21:10,989 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 16:21:10,990 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-24 16:21:10,993 INFO L202 PluginConnector]: Adding new model chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:21:10 BoogieIcfgContainer [2022-10-24 16:21:10,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 16:21:10,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 16:21:10,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 16:21:11,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 16:21:11,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 04:21:09" (1/2) ... [2022-10-24 16:21:11,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32355366 and model type chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:21:11, skipping insertion in model container [2022-10-24 16:21:11,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-subst.wvr.line826.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:21:10" (2/2) ... [2022-10-24 16:21:11,004 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.line826.bpl [2022-10-24 16:21:11,010 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 16:21:11,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 16:21:11,017 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 16:21:11,017 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 16:21:11,205 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-10-24 16:21:11,264 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:11,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 16:21:11,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 16:21:11,266 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 16:21:11,269 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 16:21:11,304 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 16:21:11,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 16:21:11,332 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;@3f9f1a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:11,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 16:21:11,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 16:21:11,407 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 16:21:11,409 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/5) [2022-10-24 16:21:11,418 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:11,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 16:21:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 16:21:11,420 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 16:21:11,421 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 16:21:11,427 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 16:21:11,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 16:21:11,428 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;@3f9f1a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:11,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 16:21:41,209 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 16:21:41,215 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 16:21:41,215 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/5) [2022-10-24 16:21:41,231 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:41,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 16:21:41,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 16:21:41,261 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 16:21:41,280 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 16:21:41,280 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 16:21:41,281 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;@3f9f1a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:41,281 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 16:21:41,297 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 16:21:41,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 16:21:41,415 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 16:21:41,415 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/5) [2022-10-24 16:21:41,422 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:41,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 16:21:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 16:21:41,441 INFO L229 MonitoredProcess]: Starting monitored process 5 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 16:21:41,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-10-24 16:21:41,453 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 16:21:41,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ======== [2022-10-24 16:21:41,454 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;@3f9f1a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:41,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 16:21:41,454 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-24 16:21:41,454 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 16:21:41,455 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 16:21:41,455 INFO L307 ceAbstractionStarter]: Result for error location thread3Err0ASSERT_VIOLATIONASSERT was SAFE (4/5) [2022-10-24 16:21:41,461 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:41,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 16:21:41,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 16:21:41,463 INFO L229 MonitoredProcess]: Starting monitored process 6 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 16:21:41,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-10-24 16:21:41,467 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 16:21:41,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread3Err0ASSERT_VIOLATIONASSERT ======== [2022-10-24 16:21:41,467 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;@3f9f1a9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 16:21:41,467 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 16:21:41,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:21:41,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:21:41,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1297954862, now seen corresponding path program 1 times [2022-10-24 16:21:41,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:21:41,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540542007] [2022-10-24 16:21:41,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:21:41,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:21:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:21:41,687 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 16:21:41,687 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:21:41,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540542007] [2022-10-24 16:21:41,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540542007] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 16:21:41,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 16:21:41,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 16:21:41,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371942050] [2022-10-24 16:21:41,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 16:21:41,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 16:21:41,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:21:41,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 16:21:42,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 16:21:42,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:21:42,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:21:42,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 158.5) internal successors, (317), 2 states have internal predecessors, (317), 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 16:21:42,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:22:49,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:22:49,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 16:22:49,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:22:49,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:22:49,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1534608845, now seen corresponding path program 1 times [2022-10-24 16:22:49,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:22:49,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678807630] [2022-10-24 16:22:49,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:22:49,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:22:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:22:49,351 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 16:22:49,351 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:22:49,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678807630] [2022-10-24 16:22:49,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678807630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 16:22:49,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 16:22:49,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-24 16:22:49,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956581362] [2022-10-24 16:22:49,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 16:22:49,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-24 16:22:49,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:22:49,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-24 16:22:49,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-24 16:22:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:22:49,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:22:49,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.8) internal successors, (309), 5 states have internal predecessors, (309), 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 16:22:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:22:49,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:23:27,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:23:27,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:23:27,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 16:23:27,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:23:27,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:23:27,587 INFO L85 PathProgramCache]: Analyzing trace with hash -892395993, now seen corresponding path program 1 times [2022-10-24 16:23:27,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:23:27,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304113727] [2022-10-24 16:23:27,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:23:27,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:23:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:23:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-24 16:23:27,734 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:23:27,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304113727] [2022-10-24 16:23:27,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304113727] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 16:23:27,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 16:23:27,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-24 16:23:27,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430285329] [2022-10-24 16:23:27,735 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 16:23:27,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-24 16:23:27,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:23:27,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-24 16:23:27,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-24 16:23:27,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:23:27,737 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:23:27,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 49.714285714285715) internal successors, (348), 7 states have internal predecessors, (348), 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 16:23:27,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:23:27,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:23:27,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:13,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:24:13,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:24:13,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 16:24:13,316 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:24:13,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:24:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash 587206989, now seen corresponding path program 2 times [2022-10-24 16:24:13,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:24:13,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274567628] [2022-10-24 16:24:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:24:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:24:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:24:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-24 16:24:13,607 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:24:13,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274567628] [2022-10-24 16:24:13,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274567628] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 16:24:13,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 16:24:13,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-24 16:24:13,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238435682] [2022-10-24 16:24:13,608 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 16:24:13,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-24 16:24:13,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:24:13,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-24 16:24:13,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-24 16:24:13,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:13,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:24:13,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 40.111111111111114) internal successors, (361), 9 states have internal predecessors, (361), 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 16:24:13,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:13,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:24:13,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:24:13,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:55,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:24:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:24:55,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:24:55,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 16:24:55,079 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:24:55,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:24:55,079 INFO L85 PathProgramCache]: Analyzing trace with hash 754899879, now seen corresponding path program 3 times [2022-10-24 16:24:55,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:24:55,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419705491] [2022-10-24 16:24:55,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:24:55,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:24:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:24:55,257 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-24 16:24:55,257 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:24:55,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419705491] [2022-10-24 16:24:55,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419705491] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 16:24:55,257 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 16:24:55,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-24 16:24:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77169687] [2022-10-24 16:24:55,258 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 16:24:55,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-24 16:24:55,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:24:55,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-24 16:24:55,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-24 16:24:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:55,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:24:55,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 34.0) internal successors, (374), 11 states have internal predecessors, (374), 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 16:24:55,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:24:55,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:24:55,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:24:55,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:24:55,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:25:43,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:25:43,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:25:43,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:25:43,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:25:43,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 16:25:43,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 16:25:43,904 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:25:43,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:25:43,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2141162701, now seen corresponding path program 4 times [2022-10-24 16:25:43,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:25:43,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080032478] [2022-10-24 16:25:43,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:25:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:25:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:25:44,137 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-10-24 16:25:44,138 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:25:44,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080032478] [2022-10-24 16:25:44,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080032478] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 16:25:44,138 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 16:25:44,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-24 16:25:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058917360] [2022-10-24 16:25:44,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 16:25:44,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-24 16:25:44,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:25:44,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-24 16:25:44,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-10-24 16:25:44,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:25:44,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:25:44,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 29.76923076923077) internal successors, (387), 13 states have internal predecessors, (387), 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 16:25:44,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:25:44,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:25:44,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:25:44,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:25:44,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 16:25:44,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:26:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:26:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:26:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:26:29,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:26:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 16:26:29,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 16:26:29,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 16:26:29,027 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:26:29,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:26:29,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1182242521, now seen corresponding path program 5 times [2022-10-24 16:26:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:26:29,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459607244] [2022-10-24 16:26:29,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:26:29,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:26:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:26:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 46 proven. 89 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-24 16:26:29,914 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:26:29,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459607244] [2022-10-24 16:26:29,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459607244] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 16:26:29,914 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 16:26:29,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2022-10-24 16:26:29,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643841330] [2022-10-24 16:26:29,914 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 16:26:29,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-24 16:26:29,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:26:29,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-24 16:26:29,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2022-10-24 16:26:29,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:26:29,916 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:26:29,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 14.814814814814815) internal successors, (400), 28 states have internal predecessors, (400), 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 16:26:29,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:26:29,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:26:29,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:26:29,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:26:29,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 16:26:29,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 16:26:29,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:27:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:27:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:27:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:27:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:27:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 16:27:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 16:27:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-24 16:27:51,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 16:27:51,195 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err0ASSERT_VIOLATIONASSERT === [thread3Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 16:27:51,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 16:27:51,196 INFO L85 PathProgramCache]: Analyzing trace with hash -573399305, now seen corresponding path program 1 times [2022-10-24 16:27:51,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 16:27:51,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356130200] [2022-10-24 16:27:51,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 16:27:51,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 16:27:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 16:27:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-10-24 16:27:51,438 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 16:27:51,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356130200] [2022-10-24 16:27:51,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356130200] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 16:27:51,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 16:27:51,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-24 16:27:51,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270040672] [2022-10-24 16:27:51,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 16:27:51,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-24 16:27:51,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 16:27:51,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-24 16:27:51,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-24 16:27:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:27:51,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 16:27:51,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 68.57142857142857) internal successors, (480), 7 states have internal predecessors, (480), 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 16:27:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 16:27:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 16:27:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 16:27:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 16:27:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 16:27:51,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 16:27:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2022-10-24 16:27:51,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.