/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION --traceabstraction.trace.refinement.strategy BADGER -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-symm.wvr.line158.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-24 17:32:26,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-24 17:32:26,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-24 17:32:26,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-24 17:32:26,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-24 17:32:26,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-24 17:32:26,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-24 17:32:26,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-24 17:32:26,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-24 17:32:26,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-24 17:32:26,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-24 17:32:26,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-24 17:32:26,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-24 17:32:26,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-24 17:32:26,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-24 17:32:26,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-24 17:32:26,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-24 17:32:26,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-24 17:32:26,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-24 17:32:26,756 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-24 17:32:26,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-24 17:32:26,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-24 17:32:26,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-24 17:32:26,759 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-24 17:32:26,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-24 17:32:26,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-24 17:32:26,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-24 17:32:26,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-24 17:32:26,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-24 17:32:26,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-24 17:32:26,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-24 17:32:26,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-24 17:32:26,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-24 17:32:26,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-24 17:32:26,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-24 17:32:26,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-24 17:32:26,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-24 17:32:26,793 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-24 17:32:26,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-24 17:32:26,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-24 17:32:26,794 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-24 17:32:26,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-24 17:32:26,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-24 17:32:26,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-24 17:32:26,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-24 17:32:26,796 INFO L138 SettingsManager]: * Use SBE=true [2022-10-24 17:32:26,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-24 17:32:26,796 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-24 17:32:26,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-24 17:32:26,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-24 17:32:26,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-24 17:32:26,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 17:32:26,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-24 17:32:26,798 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-24 17:32:26,799 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-24 17:32:26,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-24 17:32:26,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-24 17:32:26,799 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-24 17:32:26,799 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-24 17:32:26,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-24 17:32:26,799 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-24 17:32:27,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-24 17:32:27,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-24 17:32:27,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-24 17:32:27,088 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-24 17:32:27,090 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-24 17:32:27,091 INFO L432 ainManager$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-symm.wvr.line158.bpl [2022-10-24 17:32:27,092 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk27/chl-nzb-file-symm.wvr.line158.bpl' [2022-10-24 17:32:27,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-24 17:32:27,148 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-24 17:32:27,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-24 17:32:27,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-24 17:32:27,149 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-24 17:32:27,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,194 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-24 17:32:27,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-24 17:32:27,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-24 17:32:27,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-24 17:32:27,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-24 17:32:27,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,208 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-24 17:32:27,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-24 17:32:27,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-24 17:32:27,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-24 17:32:27,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/1) ... [2022-10-24 17:32:27,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-24 17:32:27,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 17:32:27,267 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 17:32:27,290 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 17:32:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-24 17:32:27,299 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-24 17:32:27,299 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-24 17:32:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-24 17:32:27,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-24 17:32:27,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-24 17:32:27,301 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 17:32:27,391 INFO L234 CfgBuilder]: Building ICFG [2022-10-24 17:32:27,392 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-24 17:32:28,055 INFO L275 CfgBuilder]: Performing block encoding [2022-10-24 17:32:28,078 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-24 17:32:28,078 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-24 17:32:28,081 INFO L202 PluginConnector]: Adding new model chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:32:28 BoogieIcfgContainer [2022-10-24 17:32:28,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-24 17:32:28,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-24 17:32:28,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-24 17:32:28,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-24 17:32:28,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 24.10 05:32:27" (1/2) ... [2022-10-24 17:32:28,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f2b36f and model type chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 05:32:28, skipping insertion in model container [2022-10-24 17:32:28,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 05:32:28" (2/2) ... [2022-10-24 17:32:28,087 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.line158.bpl [2022-10-24 17:32:28,092 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-24 17:32:28,099 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-24 17:32:28,099 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-24 17:32:28,099 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-24 17:32:28,250 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-24 17:32:28,300 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 17:32:28,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 17:32:28,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 17:32:28,302 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 17:32:28,303 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 17:32:28,328 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 17:32:28,334 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-24 17:32:28,339 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;@72b82667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 17:32:28,340 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 17:32:28,342 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-24 17:32:28,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 17:32:28,347 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 17:32:28,349 INFO L307 ceAbstractionStarter]: Result for error location thread1Err0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-10-24 17:32:28,358 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 17:32:28,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 17:32:28,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 17:32:28,360 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 17:32:28,361 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 17:32:28,365 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 17:32:28,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 17:32:28,367 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;@72b82667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 17:32:28,367 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 17:32:28,456 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 17:32:28,457 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 17:32:28,457 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-24 17:32:28,469 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 17:32:28,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 17:32:28,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 17:32:28,479 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 17:32:28,482 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 17:32:28,487 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 17:32:28,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-24 17:32:28,490 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;@72b82667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 17:32:28,490 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 17:32:28,878 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-24 17:32:28,880 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-24 17:32:28,880 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-10-24 17:32:28,893 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-24 17:32:28,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-24 17:32:28,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-24 17:32:28,907 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 17:32:28,908 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 17:32:28,912 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-24 17:32:28,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-24 17:32:28,913 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;@72b82667, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-24 17:32:28,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-24 17:32:29,000 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:29,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:29,005 INFO L85 PathProgramCache]: Analyzing trace with hash -130835891, now seen corresponding path program 1 times [2022-10-24 17:32:29,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:29,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701331446] [2022-10-24 17:32:29,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:29,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:29,245 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 17:32:29,246 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:29,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701331446] [2022-10-24 17:32:29,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701331446] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 17:32:29,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 17:32:29,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-24 17:32:29,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369225322] [2022-10-24 17:32:29,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 17:32:29,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-24 17:32:29,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:29,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-24 17:32:29,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-24 17:32:29,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:29,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:29,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 120.0) internal successors, (240), 2 states have internal predecessors, (240), 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 17:32:29,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:29,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:29,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-24 17:32:29,703 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:29,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:29,704 INFO L85 PathProgramCache]: Analyzing trace with hash -655445702, now seen corresponding path program 1 times [2022-10-24 17:32:29,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:29,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887479514] [2022-10-24 17:32:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:29,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:29,905 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 17:32:29,905 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:29,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887479514] [2022-10-24 17:32:29,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887479514] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 17:32:29,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 17:32:29,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-24 17:32:29,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034216781] [2022-10-24 17:32:29,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 17:32:29,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-24 17:32:29,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-24 17:32:29,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-24 17:32:29,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:29,909 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:29,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.8) internal successors, (234), 5 states have internal predecessors, (234), 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 17:32:29,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:29,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:30,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-24 17:32:30,168 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:30,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:30,168 INFO L85 PathProgramCache]: Analyzing trace with hash 777291108, now seen corresponding path program 1 times [2022-10-24 17:32:30,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:30,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287411353] [2022-10-24 17:32:30,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:30,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-24 17:32:30,308 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:30,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287411353] [2022-10-24 17:32:30,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287411353] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 17:32:30,308 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 17:32:30,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2022-10-24 17:32:30,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255912179] [2022-10-24 17:32:30,309 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 17:32:30,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-24 17:32:30,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:30,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-24 17:32:30,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-24 17:32:30,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:30,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.142857142857146) internal successors, (260), 7 states have internal predecessors, (260), 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 17:32:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:30,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:30,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:30,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-24 17:32:30,586 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:30,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1339397818, now seen corresponding path program 2 times [2022-10-24 17:32:30,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:30,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189005951] [2022-10-24 17:32:30,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:30,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-24 17:32:30,772 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:30,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189005951] [2022-10-24 17:32:30,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189005951] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 17:32:30,773 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 17:32:30,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2022-10-24 17:32:30,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633292337] [2022-10-24 17:32:30,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 17:32:30,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-24 17:32:30,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:30,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-24 17:32:30,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-24 17:32:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:30,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.333333333333332) internal successors, (273), 9 states have internal predecessors, (273), 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 17:32:30,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:30,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:30,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:30,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:31,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:31,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-24 17:32:31,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:31,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash -820632988, now seen corresponding path program 3 times [2022-10-24 17:32:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:31,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445502343] [2022-10-24 17:32:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:31,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-24 17:32:31,222 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:31,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445502343] [2022-10-24 17:32:31,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445502343] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 17:32:31,222 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 17:32:31,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-10-24 17:32:31,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223791990] [2022-10-24 17:32:31,223 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 17:32:31,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-24 17:32:31,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:31,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-24 17:32:31,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-24 17:32:31,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:31,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.0) internal successors, (286), 11 states have internal predecessors, (286), 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 17:32:31,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:31,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:31,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:31,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:31,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-24 17:32:31,634 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:31,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:31,635 INFO L85 PathProgramCache]: Analyzing trace with hash 609782842, now seen corresponding path program 4 times [2022-10-24 17:32:31,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:31,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379263731] [2022-10-24 17:32:31,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:31,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-10-24 17:32:31,812 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:31,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379263731] [2022-10-24 17:32:31,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379263731] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 17:32:31,813 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 17:32:31,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2022-10-24 17:32:31,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226605902] [2022-10-24 17:32:31,814 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 17:32:31,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-24 17:32:31,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:31,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-24 17:32:31,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-10-24 17:32:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,817 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:31,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 23.0) internal successors, (299), 13 states have internal predecessors, (299), 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 17:32:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:31,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:32,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:32,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:32,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-24 17:32:32,209 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:32,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:32,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1298755428, now seen corresponding path program 5 times [2022-10-24 17:32:32,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:32,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400130562] [2022-10-24 17:32:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:32,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2022-10-24 17:32:32,667 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:32,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400130562] [2022-10-24 17:32:32,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400130562] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 17:32:32,672 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 17:32:32,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2022-10-24 17:32:32,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397329967] [2022-10-24 17:32:32,672 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 17:32:32,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-24 17:32:32,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:32,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-24 17:32:32,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2022-10-24 17:32:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:32,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:32,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 12.619047619047619) internal successors, (265), 22 states have internal predecessors, (265), 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 17:32:32,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:32,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:34,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:34,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:34,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:34,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:34,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:34,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-24 17:32:34,956 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:34,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:34,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1832855320, now seen corresponding path program 1 times [2022-10-24 17:32:34,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:34,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584003389] [2022-10-24 17:32:34,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:34,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:35,107 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-24 17:32:35,107 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:35,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584003389] [2022-10-24 17:32:35,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584003389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 17:32:35,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 17:32:35,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-24 17:32:35,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747239051] [2022-10-24 17:32:35,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 17:32:35,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-24 17:32:35,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:35,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-24 17:32:35,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-24 17:32:35,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,109 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:35,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 56.0) internal successors, (392), 7 states have internal predecessors, (392), 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 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:35,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-24 17:32:35,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-24 17:32:35,427 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:35,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:35,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2130090984, now seen corresponding path program 1 times [2022-10-24 17:32:35,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:35,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963570041] [2022-10-24 17:32:35,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:35,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-24 17:32:35,527 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:35,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963570041] [2022-10-24 17:32:35,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963570041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-24 17:32:35,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-24 17:32:35,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-24 17:32:35,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82230487] [2022-10-24 17:32:35,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-24 17:32:35,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-24 17:32:35,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:35,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-24 17:32:35,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-24 17:32:35,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,530 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:35,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 76.6) internal successors, (383), 5 states have internal predecessors, (383), 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 17:32:35,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:35,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:35,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:35,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:35,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:35,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:35,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-24 17:32:35,531 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:35,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-24 17:32:35,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-24 17:32:35,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-24 17:32:35,788 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:35,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:35,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1272332264, now seen corresponding path program 1 times [2022-10-24 17:32:35,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:35,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383295686] [2022-10-24 17:32:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-24 17:32:36,058 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:36,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383295686] [2022-10-24 17:32:36,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383295686] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 17:32:36,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 17:32:36,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2022-10-24 17:32:36,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749824029] [2022-10-24 17:32:36,058 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 17:32:36,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-24 17:32:36,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:36,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-24 17:32:36,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-10-24 17:32:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:36,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:36,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 26.714285714285715) internal successors, (374), 15 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 17:32:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:36,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-24 17:32:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-24 17:32:36,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:36,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-24 17:32:36,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-24 17:32:36,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-24 17:32:36,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-24 17:32:36,954 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err0ASSERT_VIOLATIONASSERT === [thread1Err0ASSERT_VIOLATIONASSERT] === [2022-10-24 17:32:36,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-24 17:32:36,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1162828748, now seen corresponding path program 2 times [2022-10-24 17:32:36,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-24 17:32:36,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425259428] [2022-10-24 17:32:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-24 17:32:36,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-24 17:32:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-24 17:32:37,286 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 37 proven. 151 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-24 17:32:37,286 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-24 17:32:37,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425259428] [2022-10-24 17:32:37,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425259428] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-24 17:32:37,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-24 17:32:37,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-10-24 17:32:37,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040958147] [2022-10-24 17:32:37,287 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-24 17:32:37,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-24 17:32:37,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-24 17:32:37,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-24 17:32:37,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-10-24 17:32:37,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:37,289 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-24 17:32:37,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 30.5) internal successors, (488), 17 states have internal predecessors, (488), 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 17:32:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:32:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:32:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:32:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:32:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:32:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:32:37,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2022-10-24 17:32:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-24 17:32:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-24 17:32:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-24 17:32:37,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:34:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-24 17:34:08,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-24 17:34:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-24 17:34:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-24 17:34:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-24 17:34:08,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-24 17:34:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-24 17:34:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-24 17:34:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-24 17:34:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-10-24 17:34:08,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-10-24 17:34:08,936 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-24 17:34:08,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-24 17:34:08,953 INFO L444 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1] [2022-10-24 17:34:08,958 INFO L307 ceAbstractionStarter]: Result for error location thread1Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-10-24 17:34:08,960 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-24 17:34:08,960 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-24 17:34:08,964 INFO L202 PluginConnector]: Adding new model chl-nzb-file-symm.wvr.line158.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 05:34:08 BasicIcfg [2022-10-24 17:34:08,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-24 17:34:08,964 INFO L158 Benchmark]: Toolchain (without parser) took 101816.19ms. Allocated memory was 187.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 164.8MB in the beginning and 6.4GB in the end (delta: -6.2GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-10-24 17:34:08,964 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.38ms. Allocated memory is still 187.7MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-24 17:34:08,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.94ms. Allocated memory is still 187.7MB. Free memory was 164.7MB in the beginning and 163.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-24 17:34:08,965 INFO L158 Benchmark]: Boogie Preprocessor took 41.82ms. Allocated memory is still 187.7MB. Free memory was 163.0MB in the beginning and 160.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-24 17:34:08,965 INFO L158 Benchmark]: RCFGBuilder took 841.29ms. Allocated memory is still 187.7MB. Free memory was 160.2MB in the beginning and 146.8MB in the end (delta: 13.4MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2022-10-24 17:34:08,965 INFO L158 Benchmark]: TraceAbstraction took 100881.51ms. Allocated memory was 187.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 146.1MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2022-10-24 17:34:08,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.38ms. Allocated memory is still 187.7MB. Free memory is still 168.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.94ms. Allocated memory is still 187.7MB. Free memory was 164.7MB in the beginning and 163.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.82ms. Allocated memory is still 187.7MB. Free memory was 163.0MB in the beginning and 160.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 841.29ms. Allocated memory is still 187.7MB. Free memory was 160.2MB in the beginning and 146.8MB in the end (delta: 13.4MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * TraceAbstraction took 100881.51ms. Allocated memory was 187.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 146.1MB in the beginning and 6.4GB in the end (delta: -6.3GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3765, positive: 3383, positive conditional: 3383, positive unconditional: 0, negative: 382, negative conditional: 382, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3765, positive: 3383, positive conditional: 3383, positive unconditional: 0, negative: 382, negative conditional: 382, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3391, positive: 3383, positive conditional: 0, positive unconditional: 3383, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3367, positive: 3359, positive conditional: 0, positive unconditional: 3359, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3391, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3367, unknown conditional: 0, unknown unconditional: 3367] , Statistics on independence cache: Total cache size (in pairs): 3367, Positive cache size: 3359, Positive conditional cache size: 0, Positive unconditional cache size: 3359, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 374, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 71, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 54, Positive cache size: 54, Positive conditional cache size: 0, Positive unconditional cache size: 54, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 17, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11501, positive: 10892, positive conditional: 10892, positive unconditional: 0, negative: 609, negative conditional: 609, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 3182, Positive cache size: 3182, Positive conditional cache size: 0, Positive unconditional cache size: 3182, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 626, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11507, positive: 10892, positive conditional: 10892, positive unconditional: 0, negative: 615, negative conditional: 615, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 3182, Positive cache size: 3182, Positive conditional cache size: 0, Positive unconditional cache size: 3182, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1241, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11513, positive: 10892, positive conditional: 10892, positive unconditional: 0, negative: 621, negative conditional: 621, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 3182, Positive cache size: 3182, Positive conditional cache size: 0, Positive unconditional cache size: 3182, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1862, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11519, positive: 10892, positive conditional: 10892, positive unconditional: 0, negative: 627, negative conditional: 627, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 3182, Positive cache size: 3182, Positive conditional cache size: 0, Positive unconditional cache size: 3182, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2489, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11525, positive: 10892, positive conditional: 10892, positive unconditional: 0, negative: 633, negative conditional: 633, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 3182, Positive cache size: 3182, Positive conditional cache size: 0, Positive unconditional cache size: 3182, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3122, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 11531, positive: 10892, positive conditional: 10892, positive unconditional: 0, negative: 639, negative conditional: 639, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 3182, Positive cache size: 3182, Positive conditional cache size: 0, Positive unconditional cache size: 3182, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3761, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 17408, positive: 16458, positive conditional: 16458, positive unconditional: 0, negative: 950, negative conditional: 950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 4026, Positive cache size: 4026, Positive conditional cache size: 0, Positive unconditional cache size: 4026, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 4711, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 17399, positive: 16449, positive conditional: 16449, positive unconditional: 0, negative: 950, negative conditional: 950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 4043, Positive cache size: 4043, Positive conditional cache size: 0, Positive unconditional cache size: 4043, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5661, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 17390, positive: 16440, positive conditional: 16440, positive unconditional: 0, negative: 950, negative conditional: 950, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 4050, Positive cache size: 4050, Positive conditional cache size: 0, Positive unconditional cache size: 4050, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 6611, Statistics for Abstraction: - StatisticsResult: Independence relation #11 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 23249, positive: 21988, positive conditional: 21988, positive unconditional: 0, negative: 1261, negative conditional: 1261, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 4053, Positive cache size: 4053, Positive conditional cache size: 0, Positive unconditional cache size: 4053, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 7872, Statistics for Abstraction: - StatisticsResult: Independence relation #12 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4993875, positive: 4752720, positive conditional: 4752720, positive unconditional: 0, negative: 241155, negative conditional: 241155, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5138488, positive: 4889461, positive conditional: 4889461, positive unconditional: 0, negative: 249027, negative conditional: 249027, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4889485, positive: 4889461, positive conditional: 0, positive unconditional: 4889461, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 50373, positive: 50365, positive conditional: 0, positive unconditional: 50365, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4889485, positive: 4839096, positive conditional: 0, positive unconditional: 4839096, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 50373, unknown conditional: 0, unknown unconditional: 50373] , Statistics on independence cache: Total cache size (in pairs): 50373, Positive cache size: 50365, Positive conditional cache size: 0, Positive unconditional cache size: 50365, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 249003, Statistics for Abstraction: - PositiveResult [Line: 158]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: thread1Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: thread1Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 100.0s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 97.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 160, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4087 NumberOfCodeBlocks, 4087 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4076 ConstructedInterpolants, 0 QuantifiedInterpolants, 11722 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 1589/1929 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-24 17:34:09,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-10-24 17:34:09,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-10-24 17:34:09,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-24 17:34:09,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-10-24 17:34:09,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...