/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/chunk12/ring_2w1r-1.line452.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-e57bdd3-m [2022-10-21 10:16:04,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-21 10:16:04,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-21 10:16:04,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-21 10:16:04,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-21 10:16:04,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-21 10:16:04,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-21 10:16:04,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-21 10:16:04,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-21 10:16:04,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-21 10:16:04,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-21 10:16:04,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-21 10:16:04,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-21 10:16:04,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-21 10:16:04,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-21 10:16:04,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-21 10:16:04,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-21 10:16:04,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-21 10:16:04,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-21 10:16:04,323 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-21 10:16:04,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-21 10:16:04,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-10-21 10:16:04,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-21 10:16:04,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-21 10:16:04,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-21 10:16:04,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-21 10:16:04,392 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-21 10:16:04,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-21 10:16:04,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-21 10:16:04,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-21 10:16:04,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-21 10:16:04,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-21 10:16:04,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-21 10:16:04,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-21 10:16:04,397 INFO L138 SettingsManager]: * Use SBE=true [2022-10-21 10:16:04,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-21 10:16:04,398 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-21 10:16:04,399 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-21 10:16:04,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-21 10:16:04,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-21 10:16:04,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-21 10:16:04,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-21 10:16:04,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-21 10:16:04,400 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-21 10:16:04,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-21 10:16:04,400 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-21 10:16:04,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-21 10:16:04,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-21 10:16:04,401 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-21 10:16:04,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-21 10:16:04,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-21 10:16:04,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 10:16:04,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-21 10:16:04,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-21 10:16:04,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-21 10:16:04,402 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-21 10:16:04,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-21 10:16:04,402 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-21 10:16:04,403 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-21 10:16:04,403 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-21 10:16:04,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-21 10:16:04,403 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-21 10:16:04,404 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-21 10:16:04,404 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-21 10:16:04,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER [2022-10-21 10:16:04,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-21 10:16:04,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-21 10:16:04,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-21 10:16:04,795 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-21 10:16:04,797 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-21 10:16:04,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk12/ring_2w1r-1.line452.bpl [2022-10-21 10:16:04,799 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chunk12/ring_2w1r-1.line452.bpl' [2022-10-21 10:16:04,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-21 10:16:04,878 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-10-21 10:16:04,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-21 10:16:04,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-21 10:16:04,880 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-21 10:16:04,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:04,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:04,933 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-10-21 10:16:04,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-21 10:16:04,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-21 10:16:04,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-21 10:16:04,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-21 10:16:04,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:04,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:04,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:04,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:04,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:04,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:05,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:05,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-21 10:16:05,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-21 10:16:05,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-21 10:16:05,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-21 10:16:05,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/1) ... [2022-10-21 10:16:05,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-21 10:16:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 10:16:05,043 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) [2022-10-21 10:16:05,051 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 [2022-10-21 10:16:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure reader_two [2022-10-21 10:16:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_two [2022-10-21 10:16:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-21 10:16:05,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-21 10:16:05,076 INFO L130 BoogieDeclarations]: Found specification of procedure writer_fn [2022-10-21 10:16:05,077 INFO L138 BoogieDeclarations]: Found implementation of procedure writer_fn [2022-10-21 10:16:05,078 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-21 10:16:05,219 INFO L234 CfgBuilder]: Building ICFG [2022-10-21 10:16:05,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-21 10:16:06,021 INFO L275 CfgBuilder]: Performing block encoding [2022-10-21 10:16:06,043 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-21 10:16:06,043 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-21 10:16:06,046 INFO L202 PluginConnector]: Adding new model ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:16:06 BoogieIcfgContainer [2022-10-21 10:16:06,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-21 10:16:06,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-21 10:16:06,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-21 10:16:06,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-21 10:16:06,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 21.10 10:16:04" (1/2) ... [2022-10-21 10:16:06,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c77c245 and model type ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:16:06, skipping insertion in model container [2022-10-21 10:16:06,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:16:06" (2/2) ... [2022-10-21 10:16:06,058 INFO L112 eAbstractionObserver]: Analyzing ICFG ring_2w1r-1.line452.bpl [2022-10-21 10:16:06,066 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-21 10:16:06,076 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-21 10:16:06,077 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-21 10:16:06,077 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-21 10:16:06,231 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-21 10:16:06,293 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 10:16:06,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 10:16:06,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 10:16:06,296 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) [2022-10-21 10:16:06,297 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 [2022-10-21 10:16:06,328 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 10:16:06,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_twoErr0ASSERT_VIOLATIONASSERT ======== [2022-10-21 10:16:06,342 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;@3c91c874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 10:16:06,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 10:16:06,345 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-21 10:16:06,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location reader_twoErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 10:16:06,352 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 10:16:06,354 INFO L307 ceAbstractionStarter]: Result for error location reader_twoErr0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-10-21 10:16:06,366 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 10:16:06,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 10:16:06,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 10:16:06,369 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) [2022-10-21 10:16:06,370 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 [2022-10-21 10:16:06,376 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 10:16:06,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 10:16:06,378 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;@3c91c874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 10:16:06,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 10:16:06,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 10:16:06,847 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 10:16:06,850 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-21 10:16:06,857 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 10:16:06,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 10:16:06,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 10:16:06,860 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) [2022-10-21 10:16:06,861 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 [2022-10-21 10:16:06,866 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 10:16:06,866 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-21 10:16:06,867 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;@3c91c874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 10:16:06,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 10:16:06,874 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-21 10:16:06,875 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-21 10:16:06,875 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-10-21 10:16:06,881 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-21 10:16:06,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-21 10:16:06,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-21 10:16:06,887 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) [2022-10-21 10:16:06,894 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 [2022-10-21 10:16:06,898 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-21 10:16:06,898 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == reader_twoErr0ASSERT_VIOLATIONASSERT ======== [2022-10-21 10:16:06,900 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;@3c91c874, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-21 10:16:06,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-21 10:16:09,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:16:09,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:16:09,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1206021550, now seen corresponding path program 1 times [2022-10-21 10:16:09,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:16:09,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474906315] [2022-10-21 10:16:09,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:16:09,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:16:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:16:09,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-21 10:16:09,800 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:16:09,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474906315] [2022-10-21 10:16:09,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474906315] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 10:16:09,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 10:16:09,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-21 10:16:09,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173543650] [2022-10-21 10:16:09,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 10:16:09,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-21 10:16:09,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:16:09,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-21 10:16:09,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-21 10:16:09,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:09,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:16:09,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 158.0) internal successors, (316), 2 states have internal predecessors, (316), 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) [2022-10-21 10:16:09,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:12,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-21 10:16:12,774 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:16:12,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:16:12,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1645555311, now seen corresponding path program 1 times [2022-10-21 10:16:12,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:16:12,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987835461] [2022-10-21 10:16:12,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:16:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:16:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:16:13,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-21 10:16:13,333 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:16:13,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987835461] [2022-10-21 10:16:13,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987835461] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 10:16:13,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 10:16:13,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-21 10:16:13,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892812002] [2022-10-21 10:16:13,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 10:16:13,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-21 10:16:13,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:16:13,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-21 10:16:13,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-21 10:16:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:13,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:16:13,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.714285714285715) internal successors, (313), 8 states have internal predecessors, (313), 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) [2022-10-21 10:16:13,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:13,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:23,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:16:23,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-21 10:16:23,984 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:16:23,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:16:23,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1585723669, now seen corresponding path program 1 times [2022-10-21 10:16:23,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:16:23,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519876447] [2022-10-21 10:16:23,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:16:23,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:16:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:16:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5841 backedges. 1003 proven. 0 refuted. 0 times theorem prover too weak. 4838 trivial. 0 not checked. [2022-10-21 10:16:24,626 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:16:24,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519876447] [2022-10-21 10:16:24,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519876447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 10:16:24,630 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 10:16:24,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-21 10:16:24,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336847178] [2022-10-21 10:16:24,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 10:16:24,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-21 10:16:24,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:16:24,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-21 10:16:24,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-21 10:16:24,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:24,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:16:24,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 135.75) internal successors, (543), 4 states have internal predecessors, (543), 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) [2022-10-21 10:16:24,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:24,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:16:24,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:16:38,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:16:38,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-21 10:16:38,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:16:38,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:16:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1470978207, now seen corresponding path program 1 times [2022-10-21 10:16:38,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:16:38,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469018042] [2022-10-21 10:16:38,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:16:38,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:16:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:16:38,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1358 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2022-10-21 10:16:38,448 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:16:38,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469018042] [2022-10-21 10:16:38,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469018042] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-21 10:16:38,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-21 10:16:38,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-21 10:16:38,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788273109] [2022-10-21 10:16:38,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-21 10:16:38,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-21 10:16:38,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:16:38,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-21 10:16:38,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-21 10:16:38,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:38,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:16:38,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2022-10-21 10:16:38,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:16:38,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:16:38,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:16:38,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:17:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:17:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:17:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:17:05,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:17:05,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-21 10:17:05,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:17:05,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:17:05,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1457267594, now seen corresponding path program 1 times [2022-10-21 10:17:05,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:17:05,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280304794] [2022-10-21 10:17:05,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:17:05,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:17:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:17:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 2012 proven. 1 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2022-10-21 10:17:05,675 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:17:05,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280304794] [2022-10-21 10:17:05,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280304794] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-21 10:17:05,677 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-21 10:17:05,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2022-10-21 10:17:05,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703020669] [2022-10-21 10:17:05,677 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-21 10:17:05,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-21 10:17:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:17:05,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-21 10:17:05,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-21 10:17:05,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:17:05,681 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:17:05,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 191.5) internal successors, (766), 4 states have internal predecessors, (766), 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) [2022-10-21 10:17:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:17:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:17:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:17:05,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:17:05,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:18:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:18:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:18:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:18:04,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:18:04,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:18:04,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-21 10:18:04,809 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:18:04,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:18:04,810 INFO L85 PathProgramCache]: Analyzing trace with hash 868868148, now seen corresponding path program 1 times [2022-10-21 10:18:04,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:18:04,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212681662] [2022-10-21 10:18:04,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:18:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:18:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:18:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2056 proven. 318 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2022-10-21 10:18:05,576 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:18:05,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212681662] [2022-10-21 10:18:05,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212681662] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-21 10:18:05,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-21 10:18:05,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2022-10-21 10:18:05,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45781250] [2022-10-21 10:18:05,578 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-21 10:18:05,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-21 10:18:05,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:18:05,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-21 10:18:05,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-21 10:18:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:18:05,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:18:05,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 185.2) internal successors, (926), 5 states have internal predecessors, (926), 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) [2022-10-21 10:18:05,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:18:05,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:18:05,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:18:05,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:18:05,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:18:05,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:19:40,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:19:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:19:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:19:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:19:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:19:40,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-21 10:19:40,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-21 10:19:40,863 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:19:40,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:19:40,864 INFO L85 PathProgramCache]: Analyzing trace with hash 526205132, now seen corresponding path program 1 times [2022-10-21 10:19:40,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:19:40,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067726278] [2022-10-21 10:19:40,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:19:40,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:19:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:19:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3181 backedges. 240 proven. 20 refuted. 0 times theorem prover too weak. 2921 trivial. 0 not checked. [2022-10-21 10:19:42,428 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:19:42,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067726278] [2022-10-21 10:19:42,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067726278] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-21 10:19:42,430 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-21 10:19:42,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2022-10-21 10:19:42,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404116743] [2022-10-21 10:19:42,430 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-21 10:19:42,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-21 10:19:42,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:19:42,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-21 10:19:42,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-10-21 10:19:42,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:19:42,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:19:42,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 58.375) internal successors, (467), 9 states have internal predecessors, (467), 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) [2022-10-21 10:19:42,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:19:42,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:19:42,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:19:42,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:19:42,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:19:42,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-21 10:19:42,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:21:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:21:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:21:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:21:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:21:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:21:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-21 10:21:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-21 10:21:42,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-21 10:21:42,579 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting reader_twoErr0ASSERT_VIOLATIONASSERT === [reader_twoErr0ASSERT_VIOLATIONASSERT] === [2022-10-21 10:21:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-21 10:21:42,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1019385041, now seen corresponding path program 1 times [2022-10-21 10:21:42,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-10-21 10:21:42,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144612789] [2022-10-21 10:21:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-21 10:21:42,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-21 10:21:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-21 10:21:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 20603 backedges. 13243 proven. 1507 refuted. 0 times theorem prover too weak. 5853 trivial. 0 not checked. [2022-10-21 10:21:45,503 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-10-21 10:21:45,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144612789] [2022-10-21 10:21:45,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144612789] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-21 10:21:45,504 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-10-21 10:21:45,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2022-10-21 10:21:45,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085758090] [2022-10-21 10:21:45,504 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-10-21 10:21:45,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-21 10:21:45,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-10-21 10:21:45,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-21 10:21:45,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-21 10:21:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:21:45,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-21 10:21:45,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.0) internal successors, (1170), 6 states have internal predecessors, (1170), 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) [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-21 10:21:45,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-10-21 10:24:30,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-21 10:24:30,001 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-10-21 10:24:30,001 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location reader_twoErr0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-21 10:24:30,012 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-21 10:24:30,012 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-21 10:24:30,016 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-21 10:24:30,017 INFO L307 ceAbstractionStarter]: Result for error location reader_twoErr0ASSERT_VIOLATIONASSERT was TIMEOUT (4/4) [2022-10-21 10:24:30,019 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-21 10:24:30,019 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-21 10:24:30,020 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-21 10:24:30,032 INFO L202 PluginConnector]: Adding new model ring_2w1r-1.line452.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:24:30 BasicIcfg [2022-10-21 10:24:30,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-21 10:24:30,033 INFO L158 Benchmark]: Toolchain (without parser) took 505155.14ms. Allocated memory was 212.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 189.6MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-10-21 10:24:30,033 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.64ms. Allocated memory is still 212.9MB. Free memory is still 193.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-21 10:24:30,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.66ms. Allocated memory is still 212.9MB. Free memory was 189.5MB in the beginning and 187.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-21 10:24:30,034 INFO L158 Benchmark]: Boogie Preprocessor took 75.25ms. Allocated memory is still 212.9MB. Free memory was 187.7MB in the beginning and 185.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-21 10:24:30,034 INFO L158 Benchmark]: RCFGBuilder took 1033.64ms. Allocated memory is still 212.9MB. Free memory was 184.9MB in the beginning and 183.2MB in the end (delta: 1.7MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. [2022-10-21 10:24:30,034 INFO L158 Benchmark]: TraceAbstraction took 503981.22ms. Allocated memory was 212.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 182.7MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-10-21 10:24:30,035 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 0.64ms. Allocated memory is still 212.9MB. Free memory is still 193.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.66ms. Allocated memory is still 212.9MB. Free memory was 189.5MB in the beginning and 187.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 75.25ms. Allocated memory is still 212.9MB. Free memory was 187.7MB in the beginning and 185.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1033.64ms. Allocated memory is still 212.9MB. Free memory was 184.9MB in the beginning and 183.2MB in the end (delta: 1.7MB). Peak memory consumption was 29.7MB. Max. memory is 8.0GB. * TraceAbstraction took 503981.22ms. Allocated memory was 212.9MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 182.7MB in the beginning and 4.9GB in the end (delta: -4.7GB). Peak memory consumption was 4.4GB. 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 [2022-10-21 10:24:30,049 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-10-21 10:24:30,049 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end IndependenceRelationWithAbstraction.Independence Queries: [ total: 2810, positive: 2637, positive conditional: 2637, positive unconditional: 0, negative: 173, negative conditional: 173, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2810, positive: 2637, positive conditional: 2637, positive unconditional: 0, negative: 173, negative conditional: 173, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2660, positive: 2637, positive conditional: 0, positive unconditional: 2637, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2594, positive: 2571, positive conditional: 0, positive unconditional: 2571, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2660, positive: 66, positive conditional: 0, positive unconditional: 66, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2594, unknown conditional: 0, unknown unconditional: 2594] , Statistics on independence cache: Total cache size (in pairs): 2594, Positive cache size: 2571, Positive conditional cache size: 0, Positive unconditional cache size: 2571, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23, Independence queries for same thread: 150, Statistics for Abstraction: - 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: 84710, positive: 82326, positive conditional: 82326, positive unconditional: 0, negative: 2384, negative conditional: 2384, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 9840, Positive cache size: 9810, Positive conditional cache size: 0, Positive unconditional cache size: 9810, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 2248, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 148101, positive: 143935, positive conditional: 143935, positive unconditional: 0, negative: 4166, negative conditional: 4166, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 10443, Positive cache size: 10413, Positive conditional cache size: 0, Positive unconditional cache size: 10413, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 6176, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 400949, positive: 389102, positive conditional: 389102, positive unconditional: 0, negative: 11847, negative conditional: 11847, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 22065, Positive cache size: 22007, Positive conditional cache size: 0, Positive unconditional cache size: 22007, Negative cache size: 58, Negative conditional cache size: 0, Negative unconditional cache size: 58, Independence queries for same thread: 17359, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 609093, positive: 592068, positive conditional: 592068, positive unconditional: 0, negative: 17025, negative conditional: 17025, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 25089, Positive cache size: 25030, Positive conditional cache size: 0, Positive unconditional cache size: 25030, Negative cache size: 59, Negative conditional cache size: 0, Negative unconditional cache size: 59, Independence queries for same thread: 33420, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1430388, positive: 1390520, positive conditional: 1390520, positive unconditional: 0, negative: 39868, negative conditional: 39868, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 27879, Positive cache size: 27814, Positive conditional cache size: 0, Positive unconditional cache size: 27814, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65, Independence queries for same thread: 70675, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2794621, positive: 2716624, positive conditional: 2716624, positive unconditional: 0, negative: 77997, negative conditional: 77997, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 30509, Positive cache size: 30442, Positive conditional cache size: 0, Positive unconditional cache size: 30442, Negative cache size: 67, Negative conditional cache size: 0, Negative unconditional cache size: 67, Independence queries for same thread: 143429, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4395557, positive: 4273198, positive conditional: 4273198, positive unconditional: 0, negative: 122359, negative conditional: 122359, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 31066, Positive cache size: 30998, Positive conditional cache size: 0, Positive unconditional cache size: 30998, Negative cache size: 68, Negative conditional cache size: 0, Negative unconditional cache size: 68, Independence queries for same thread: 257489, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 4572527, positive: 4445438, positive conditional: 4445438, positive unconditional: 0, negative: 127089, negative conditional: 127089, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 32933, Positive cache size: 32861, Positive conditional cache size: 0, Positive unconditional cache size: 32861, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 375998, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 6134139, positive: 5963941, positive conditional: 5963941, positive unconditional: 0, negative: 170198, negative conditional: 170198, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 20570085, positive: 19997152, positive conditional: 19997152, positive unconditional: 0, negative: 572933, negative conditional: 572933, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 20035393, positive: 19997152, positive conditional: 0, positive unconditional: 19997152, negative: 38241, negative conditional: 0, negative unconditional: 38241, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 32933, positive: 32861, positive conditional: 0, positive unconditional: 32861, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 20035393, positive: 19964291, positive conditional: 0, positive unconditional: 19964291, negative: 38169, negative conditional: 0, negative unconditional: 38169, unknown: 32933, unknown conditional: 0, unknown unconditional: 32933] , Statistics on independence cache: Total cache size (in pairs): 32933, Positive cache size: 32861, Positive conditional cache size: 0, Positive unconditional cache size: 32861, Negative cache size: 72, Negative conditional cache size: 0, Negative unconditional cache size: 72, Independence queries for same thread: 534692, Statistics for Abstraction: - TimeoutResultAtElement [Line: 452]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for error location: reader_twoErr0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 852 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: reader_twoErr0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 852 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 503.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 495.1s, 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: 43, 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: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 10107 NumberOfCodeBlocks, 10107 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 10099 ConstructedInterpolants, 0 QuantifiedInterpolants, 24686 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 35031/36877 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, 852 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.5s, 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: 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, 852 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-10-21 10:24:30,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-10-21 10:24:30,319 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