/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-symm.wvr.line560.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-03 13:50:46,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-03 13:50:46,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-03 13:50:46,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-03 13:50:46,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-03 13:50:46,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-03 13:50:46,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-03 13:50:46,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-03 13:50:46,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-03 13:50:46,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-03 13:50:46,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-03 13:50:46,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-03 13:50:46,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-03 13:50:46,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-03 13:50:46,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-03 13:50:46,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-03 13:50:46,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-03 13:50:46,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-03 13:50:46,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-03 13:50:46,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-03 13:50:46,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-03 13:50:46,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-03 13:50:46,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-03 13:50:46,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-03 13:50:46,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-03 13:50:46,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-03 13:50:46,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-03 13:50:46,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-03 13:50:46,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-03 13:50:46,767 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-03 13:50:46,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-03 13:50:46,767 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-03 13:50:46,767 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-03 13:50:46,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-03 13:50:46,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-03 13:50:46,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-03 13:50:46,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-03 13:50:46,769 INFO L138 SettingsManager]: * Use SBE=true [2022-10-03 13:50:46,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-03 13:50:46,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-03 13:50:46,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-03 13:50:46,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-03 13:50:46,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-03 13:50:46,771 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-03 13:50:46,771 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 13:50:46,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-03 13:50:46,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-03 13:50:46,773 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-03 13:50:46,773 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-03 13:50:46,773 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-03 13:50:46,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-03 13:50:46,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-03 13:50:47,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-03 13:50:47,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-03 13:50:47,023 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-03 13:50:47,025 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-03 13:50:47,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-symm.wvr.line560.bpl [2022-10-03 13:50:47,027 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/chl-nzb-file-symm.wvr.line560.bpl' [2022-10-03 13:50:47,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-03 13:50:47,077 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-03 13:50:47,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-03 13:50:47,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-03 13:50:47,078 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-03 13:50:47,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-03 13:50:47,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-03 13:50:47,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-03 13:50:47,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-03 13:50:47,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/1) ... [2022-10-03 13:50:47,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-03 13:50:47,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:47,204 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) [2022-10-03 13:50:47,214 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 [2022-10-03 13:50:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-03 13:50:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-03 13:50:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-03 13:50:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-03 13:50:47,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-03 13:50:47,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-03 13:50:47,246 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-03 13:50:47,371 INFO L234 CfgBuilder]: Building ICFG [2022-10-03 13:50:47,372 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-03 13:50:48,091 INFO L275 CfgBuilder]: Performing block encoding [2022-10-03 13:50:48,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-03 13:50:48,121 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-03 13:50:48,124 INFO L202 PluginConnector]: Adding new model chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:50:48 BoogieIcfgContainer [2022-10-03 13:50:48,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-03 13:50:48,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-03 13:50:48,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-03 13:50:48,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-03 13:50:48,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 01:50:47" (1/2) ... [2022-10-03 13:50:48,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6debf8 and model type chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:50:48, skipping insertion in model container [2022-10-03 13:50:48,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:50:48" (2/2) ... [2022-10-03 13:50:48,137 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-symm.wvr.line560.bpl [2022-10-03 13:50:48,144 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-03 13:50:48,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-03 13:50:48,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-03 13:50:48,151 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-03 13:50:48,329 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-03 13:50:48,397 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:50:48,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:50:48,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:48,420 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) [2022-10-03 13:50:48,421 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 [2022-10-03 13:50:48,451 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:50:48,465 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-03 13:50:48,472 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;@2c0ea46f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:50:48,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:50:48,475 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-03 13:50:48,478 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 13:50:48,491 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 13:50:48,494 INFO L307 ceAbstractionStarter]: Result for error location thread2Err0ASSERT_VIOLATIONASSERT was SAFE (1/4) [2022-10-03 13:50:48,503 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:50:48,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:50:48,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:48,521 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) [2022-10-03 13:50:48,522 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 [2022-10-03 13:50:48,526 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:50:48,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 13:50:48,527 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;@2c0ea46f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:50:48,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:50:48,615 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 13:50:48,616 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 13:50:48,616 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-03 13:50:48,623 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:50:48,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:50:48,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:48,674 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) [2022-10-03 13:50:48,724 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 [2022-10-03 13:50:48,726 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:50:48,727 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-03 13:50:48,727 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;@2c0ea46f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:50:48,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:50:49,138 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-03 13:50:49,139 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-03 13:50:49,139 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4) [2022-10-03 13:50:49,145 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-03 13:50:49,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-03 13:50:49,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:49,147 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) [2022-10-03 13:50:49,157 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 [2022-10-03 13:50:49,162 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-03 13:50:49,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Err0ASSERT_VIOLATIONASSERT ======== [2022-10-03 13:50:49,163 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;@2c0ea46f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-03 13:50:49,163 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-03 13:50:49,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:50:49,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:50:49,247 INFO L85 PathProgramCache]: Analyzing trace with hash 529663911, now seen corresponding path program 1 times [2022-10-03 13:50:49,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:50:49,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209182735] [2022-10-03 13:50:49,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:50:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 13:50:49,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:50:49,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209182735] [2022-10-03 13:50:49,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209182735] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:50:49,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 13:50:49,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-03 13:50:49,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561994556] [2022-10-03 13:50:49,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:50:49,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-03 13:50:49,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:50:49,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-03 13:50:49,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-03 13:50:49,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:49,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:50:49,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 149.0) internal successors, (298), 2 states have internal predecessors, (298), 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) [2022-10-03 13:50:49,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:49,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:49,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-03 13:50:49,869 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:50:49,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:50:49,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1558324694, now seen corresponding path program 1 times [2022-10-03 13:50:49,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:50:49,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811130850] [2022-10-03 13:50:49,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:49,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:50:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-03 13:50:50,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:50:50,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811130850] [2022-10-03 13:50:50,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811130850] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:50:50,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 13:50:50,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-03 13:50:50,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236958599] [2022-10-03 13:50:50,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:50:50,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-03 13:50:50,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:50:50,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-03 13:50:50,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-03 13:50:50,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:50,060 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:50:50,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 58.4) internal successors, (292), 5 states have internal predecessors, (292), 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) [2022-10-03 13:50:50,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:50,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:50,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:50,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:50,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-03 13:50:50,322 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:50:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:50:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2098349630, now seen corresponding path program 1 times [2022-10-03 13:50:50,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:50:50,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776100362] [2022-10-03 13:50:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:50:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-03 13:50:50,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:50:50,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776100362] [2022-10-03 13:50:50,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776100362] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:50:50,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629372620] [2022-10-03 13:50:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:50,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:50:50,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:50,562 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:50:50,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-03 13:50:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:50,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-03 13:50:50,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:50:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-03 13:50:50,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 13:50:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-03 13:50:50,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629372620] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 13:50:50,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 13:50:50,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-10-03 13:50:50,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748883113] [2022-10-03 13:50:50,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 13:50:50,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-03 13:50:50,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:50:50,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-03 13:50:50,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-10-03 13:50:50,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:50,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:50:50,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 25.266666666666666) internal successors, (379), 15 states have internal predecessors, (379), 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) [2022-10-03 13:50:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:50,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:51,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:51,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-03 13:50:51,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:50:51,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:50:51,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:50:51,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1025360770, now seen corresponding path program 2 times [2022-10-03 13:50:51,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:50:51,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845042411] [2022-10-03 13:50:51,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:51,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:50:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:51,700 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-03 13:50:51,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:50:51,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845042411] [2022-10-03 13:50:51,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845042411] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:50:51,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329108103] [2022-10-03 13:50:51,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 13:50:51,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:50:51,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:51,722 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:50:51,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-03 13:50:51,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-03 13:50:51,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 13:50:51,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-03 13:50:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:50:52,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 13:50:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-03 13:50:52,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 13:50:52,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329108103] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:50:52,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 13:50:52,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [11] total 21 [2022-10-03 13:50:52,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822427339] [2022-10-03 13:50:52,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:50:52,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-03 13:50:52,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:50:52,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-03 13:50:52,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-10-03 13:50:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:52,661 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:50:52,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 24.46153846153846) internal successors, (318), 14 states have internal predecessors, (318), 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) [2022-10-03 13:50:52,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:52,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:52,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:52,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:53,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:53,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-03 13:50:53,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:50:53,732 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:50:53,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:50:53,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1370968222, now seen corresponding path program 1 times [2022-10-03 13:50:53,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:50:53,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622950951] [2022-10-03 13:50:53,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:53,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:50:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-03 13:50:53,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:50:53,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622950951] [2022-10-03 13:50:53,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622950951] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:50:53,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596695625] [2022-10-03 13:50:53,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:53,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:50:53,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:50:53,914 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:50:53,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-03 13:50:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:54,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-03 13:50:54,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:50:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-03 13:50:54,269 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 13:50:54,386 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-03 13:50:54,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596695625] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 13:50:54,386 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 13:50:54,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-10-03 13:50:54,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437879715] [2022-10-03 13:50:54,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 13:50:54,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-03 13:50:54,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:50:54,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-03 13:50:54,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2022-10-03 13:50:54,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:54,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:50:54,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 21.90909090909091) internal successors, (482), 22 states have internal predecessors, (482), 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) [2022-10-03 13:50:54,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:54,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:54,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:54,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:54,390 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:54,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:54,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-03 13:50:55,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:50:55,132 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:50:55,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:50:55,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1917278814, now seen corresponding path program 2 times [2022-10-03 13:50:55,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:50:55,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242060039] [2022-10-03 13:50:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:55,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:50:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-10-03 13:50:55,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:50:55,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242060039] [2022-10-03 13:50:55,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242060039] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:50:55,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 13:50:55,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-03 13:50:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912118346] [2022-10-03 13:50:55,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:50:55,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-03 13:50:55,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:50:55,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-03 13:50:55,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-03 13:50:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:55,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:50:55,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 61.57142857142857) internal successors, (431), 7 states have internal predecessors, (431), 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) [2022-10-03 13:50:55,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:55,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:55,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:50:55,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-03 13:50:55,641 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:50:55,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:50:55,641 INFO L85 PathProgramCache]: Analyzing trace with hash -76847430, now seen corresponding path program 1 times [2022-10-03 13:50:55,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:50:55,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725342974] [2022-10-03 13:50:55,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:50:55,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:50:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:50:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-10-03 13:50:55,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:50:55,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725342974] [2022-10-03 13:50:55,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725342974] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:50:55,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 13:50:55,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-03 13:50:55,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018607658] [2022-10-03 13:50:55,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:50:55,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-03 13:50:55,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:50:55,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-03 13:50:55,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-03 13:50:55,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:55,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:50:55,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 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) [2022-10-03 13:50:55,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:50:55,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:50:55,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:50:55,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:55,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:50:55,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:50:55,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:03,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:03,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:03,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-03 13:51:03,143 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:51:03,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:51:03,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1976192401, now seen corresponding path program 1 times [2022-10-03 13:51:03,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:51:03,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153400772] [2022-10-03 13:51:03,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:03,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:51:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:03,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:51:03,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153400772] [2022-10-03 13:51:03,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153400772] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:51:03,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446435605] [2022-10-03 13:51:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:03,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:51:03,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:51:03,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:51:03,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-03 13:51:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:03,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-03 13:51:03,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:51:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:03,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 13:51:03,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446435605] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:51:03,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 13:51:03,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [15] total 21 [2022-10-03 13:51:03,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918261567] [2022-10-03 13:51:03,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:51:03,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-03 13:51:03,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:51:03,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-03 13:51:03,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2022-10-03 13:51:03,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:03,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:51:03,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 61.57142857142857) internal successors, (431), 7 states have internal predecessors, (431), 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) [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:03,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:07,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-03 13:51:07,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-03 13:51:07,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-03 13:51:07,954 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:51:07,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:51:07,955 INFO L85 PathProgramCache]: Analyzing trace with hash -331866259, now seen corresponding path program 1 times [2022-10-03 13:51:07,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:51:07,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907166167] [2022-10-03 13:51:07,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:07,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:51:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:08,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:51:08,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907166167] [2022-10-03 13:51:08,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907166167] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:51:08,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-03 13:51:08,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-03 13:51:08,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008956448] [2022-10-03 13:51:08,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:51:08,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-03 13:51:08,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:51:08,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-03 13:51:08,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-03 13:51:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:08,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:51:08,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 84.4) internal successors, (422), 5 states have internal predecessors, (422), 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) [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-03 13:51:08,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:11,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-03 13:51:11,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:11,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-03 13:51:11,122 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:51:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:51:11,123 INFO L85 PathProgramCache]: Analyzing trace with hash 594082637, now seen corresponding path program 1 times [2022-10-03 13:51:11,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:51:11,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765958021] [2022-10-03 13:51:11,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:11,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:51:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:11,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:51:11,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765958021] [2022-10-03 13:51:11,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765958021] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:51:11,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976913466] [2022-10-03 13:51:11,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:11,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:51:11,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:51:11,389 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:51:11,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-03 13:51:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:11,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 959 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-03 13:51:11,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:51:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:11,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 13:51:11,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976913466] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:51:11,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 13:51:11,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 24 [2022-10-03 13:51:11,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938262433] [2022-10-03 13:51:11,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:51:11,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-03 13:51:11,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:51:11,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-03 13:51:11,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2022-10-03 13:51:11,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:11,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:51:11,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 41.3) internal successors, (413), 10 states have internal predecessors, (413), 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) [2022-10-03 13:51:11,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:11,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:21,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-03 13:51:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 13:51:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:21,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-03 13:51:21,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-10-03 13:51:21,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-03 13:51:21,410 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:51:21,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:51:21,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1065966882, now seen corresponding path program 1 times [2022-10-03 13:51:21,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:51:21,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194140529] [2022-10-03 13:51:21,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:21,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:51:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:21,973 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:21,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:51:21,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194140529] [2022-10-03 13:51:21,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194140529] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:51:21,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097100822] [2022-10-03 13:51:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:21,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:51:21,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:51:21,975 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:51:21,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-03 13:51:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:22,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-03 13:51:22,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:51:22,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 13:51:23,326 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:23,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-03 13:51:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:24,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097100822] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-03 13:51:24,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-03 13:51:24,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2022-10-03 13:51:24,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405986909] [2022-10-03 13:51:24,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-03 13:51:24,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-03 13:51:24,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:51:24,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-03 13:51:24,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=901, Unknown=0, NotChecked=0, Total=992 [2022-10-03 13:51:24,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:24,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:51:24,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 26.870967741935484) internal successors, (833), 32 states have internal predecessors, (833), 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) [2022-10-03 13:51:24,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:24,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-03 13:51:24,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-03 13:51:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-03 13:51:48,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-03 13:51:49,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-03 13:51:49,188 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err0ASSERT_VIOLATIONASSERT === [thread2Err0ASSERT_VIOLATIONASSERT] === [2022-10-03 13:51:49,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-03 13:51:49,188 INFO L85 PathProgramCache]: Analyzing trace with hash -676383702, now seen corresponding path program 2 times [2022-10-03 13:51:49,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-03 13:51:49,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934193894] [2022-10-03 13:51:49,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-03 13:51:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-03 13:51:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-03 13:51:50,021 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 642 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-10-03 13:51:50,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-03 13:51:50,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934193894] [2022-10-03 13:51:50,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934193894] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-03 13:51:50,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89118780] [2022-10-03 13:51:50,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-03 13:51:50,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-03 13:51:50,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-03 13:51:50,024 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-03 13:51:50,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-03 13:51:50,173 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-03 13:51:50,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-03 13:51:50,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-03 13:51:50,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-03 13:51:50,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-03 13:51:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2022-10-03 13:51:50,434 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-03 13:51:50,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89118780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-03 13:51:50,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-03 13:51:50,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [19] total 22 [2022-10-03 13:51:50,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119990464] [2022-10-03 13:51:50,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-03 13:51:50,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-03 13:51:50,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-03 13:51:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-03 13:51:50,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-10-03 13:51:50,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:50,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-03 13:51:50,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 110.25) internal successors, (441), 5 states have internal predecessors, (441), 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) [2022-10-03 13:51:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:51:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:51:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:51:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2022-10-03 13:51:50,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:51:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:51:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-10-03 13:51:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:51:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2022-10-03 13:51:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-10-03 13:51:50,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-03 13:54:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-03 13:54:37,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-10-03 13:54:37,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-03 13:54:37,924 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-03 13:54:37,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-03 13:54:38,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-10-03 13:54:38,132 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-03 13:54:38,132 INFO L307 ceAbstractionStarter]: Result for error location thread2Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-10-03 13:54:38,134 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-03 13:54:38,134 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-03 13:54:38,138 INFO L202 PluginConnector]: Adding new model chl-nzb-file-symm.wvr.line560.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:54:38 BasicIcfg [2022-10-03 13:54:38,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-03 13:54:38,138 INFO L158 Benchmark]: Toolchain (without parser) took 231061.60ms. Allocated memory was 209.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 168.8MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2022-10-03 13:54:38,138 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-03 13:54:38,139 INFO L158 Benchmark]: Boogie Preprocessor took 89.46ms. Allocated memory is still 209.7MB. Free memory was 168.7MB in the beginning and 165.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-03 13:54:38,139 INFO L158 Benchmark]: RCFGBuilder took 955.09ms. Allocated memory is still 209.7MB. Free memory was 165.1MB in the beginning and 156.1MB in the end (delta: 9.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-10-03 13:54:38,142 INFO L158 Benchmark]: TraceAbstraction took 230009.65ms. Allocated memory was 209.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 155.3MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2022-10-03 13:54:38,142 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 0.13ms. Allocated memory is still 209.7MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 89.46ms. Allocated memory is still 209.7MB. Free memory was 168.7MB in the beginning and 165.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 955.09ms. Allocated memory is still 209.7MB. Free memory was 165.1MB in the beginning and 156.1MB in the end (delta: 9.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 230009.65ms. Allocated memory was 209.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 155.3MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3726, positive: 3357, positive conditional: 3357, positive unconditional: 0, negative: 369, negative conditional: 369, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3726, positive: 3357, positive conditional: 3357, positive unconditional: 0, negative: 369, negative conditional: 369, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3365, positive: 3357, positive conditional: 0, positive unconditional: 3357, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3341, positive: 3333, positive conditional: 0, positive unconditional: 3333, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3365, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3341, unknown conditional: 0, unknown unconditional: 3341] , Statistics on independence cache: Total cache size (in pairs): 3341, Positive cache size: 3333, Positive conditional cache size: 0, Positive unconditional cache size: 3333, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 361, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 662, positive: 533, positive conditional: 533, positive unconditional: 0, negative: 129, negative conditional: 129, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 129, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 12069, positive: 11350, positive conditional: 11350, positive unconditional: 0, negative: 719, negative conditional: 719, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 3463, Positive cache size: 3463, Positive conditional cache size: 0, Positive unconditional cache size: 3463, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 848, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 12075, positive: 11350, positive conditional: 11350, positive unconditional: 0, negative: 725, negative conditional: 725, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 3463, Positive cache size: 3463, Positive conditional cache size: 0, Positive unconditional cache size: 3463, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 1573, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 12087, positive: 11350, positive conditional: 11350, positive unconditional: 0, negative: 737, negative conditional: 737, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 3463, Positive cache size: 3463, Positive conditional cache size: 0, Positive unconditional cache size: 3463, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2310, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 18649, positive: 17469, positive conditional: 17469, positive unconditional: 0, negative: 1180, negative conditional: 1180, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 4103, Positive cache size: 4103, Positive conditional cache size: 0, Positive unconditional cache size: 4103, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 3490, Statistics for Abstraction: - StatisticsResult: Independence relation #6 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 18661, positive: 17469, positive conditional: 17469, positive unconditional: 0, negative: 1192, negative conditional: 1192, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 4103, Positive cache size: 4103, Positive conditional cache size: 0, Positive unconditional cache size: 4103, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 4682, Statistics for Abstraction: - StatisticsResult: Independence relation #7 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 18553, positive: 17379, positive conditional: 17379, positive unconditional: 0, negative: 1174, negative conditional: 1174, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 4156, Positive cache size: 4156, Positive conditional cache size: 0, Positive unconditional cache size: 4156, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5856, Statistics for Abstraction: - StatisticsResult: Independence relation #8 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 384167, positive: 365167, positive conditional: 365167, positive unconditional: 0, negative: 19000, negative conditional: 19000, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 22823, Positive cache size: 22823, Positive conditional cache size: 0, Positive unconditional cache size: 22823, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 24856, Statistics for Abstraction: - StatisticsResult: Independence relation #9 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 326973, positive: 310952, positive conditional: 310952, positive unconditional: 0, negative: 16021, negative conditional: 16021, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 25318, Positive cache size: 25318, Positive conditional cache size: 0, Positive unconditional cache size: 25318, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 40877, Statistics for Abstraction: - StatisticsResult: Independence relation #10 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 269779, positive: 256737, positive conditional: 256737, positive unconditional: 0, negative: 13042, negative conditional: 13042, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 26982, Positive cache size: 26982, Positive conditional cache size: 0, Positive unconditional cache size: 26982, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 53919, Statistics for Abstraction: - StatisticsResult: Independence relation #11 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 806943, positive: 768604, positive conditional: 768604, positive unconditional: 0, negative: 38339, negative conditional: 38339, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 31424, Positive cache size: 31424, Positive conditional cache size: 0, Positive unconditional cache size: 31424, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 92258, Statistics for Abstraction: - StatisticsResult: Independence relation #12 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1714023, positive: 1632601, positive conditional: 1632601, positive unconditional: 0, negative: 81422, negative conditional: 81422, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 32257, Positive cache size: 32257, Positive conditional cache size: 0, Positive unconditional cache size: 32257, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 173680, Statistics for Abstraction: - StatisticsResult: Independence relation #13 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 8335782, positive: 7951056, positive conditional: 7951056, positive unconditional: 0, negative: 384726, negative conditional: 384726, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11930423, positive: 11372017, positive conditional: 11372017, positive unconditional: 0, negative: 558406, negative conditional: 558406, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11372025, positive: 11372017, positive conditional: 0, positive unconditional: 11372017, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 59687, positive: 59679, positive conditional: 0, positive unconditional: 59679, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11372025, positive: 11312338, positive conditional: 0, positive unconditional: 11312338, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 59687, unknown conditional: 0, unknown unconditional: 59687] , Statistics on independence cache: Total cache size (in pairs): 59687, Positive cache size: 59679, Positive conditional cache size: 0, Positive unconditional cache size: 59679, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, Independence queries for same thread: 558398, Statistics for Abstraction: - PositiveResult [Line: 560]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: thread2Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: thread2Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 229.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 218.5s, 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: 136, 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: 0.4s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 9434 NumberOfCodeBlocks, 8830 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 10786 ConstructedInterpolants, 0 QuantifiedInterpolants, 39422 SizeOfPredicates, 81 NumberOfNonLiveVariables, 5592 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 4742/5937 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1227 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-03 13:54:38,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2022-10-03 13:54:38,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0 [2022-10-03 13:54:38,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-10-03 13:54:38,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-10-03 13:54:38,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...