/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/queue_longest.line519.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-10-04 00:44:47,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-04 00:44:47,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-04 00:44:47,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-04 00:44:47,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-04 00:44:47,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-04 00:44:47,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-04 00:44:47,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-04 00:44:47,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-04 00:44:47,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-04 00:44:47,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-04 00:44:47,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-04 00:44:47,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-04 00:44:47,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-04 00:44:47,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-04 00:44:47,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-04 00:44:47,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-04 00:44:47,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-04 00:44:47,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-04 00:44:47,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-04 00:44:47,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-04 00:44:47,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-04 00:44:47,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-04 00:44:47,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-04 00:44:47,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-04 00:44:47,311 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-10-04 00:44:47,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-04 00:44:47,347 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-04 00:44:47,347 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-04 00:44:47,347 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-04 00:44:47,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-04 00:44:47,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-04 00:44:47,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-04 00:44:47,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-04 00:44:47,348 INFO L138 SettingsManager]: * Use SBE=true [2022-10-04 00:44:47,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-04 00:44:47,349 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-04 00:44:47,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-04 00:44:47,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-04 00:44:47,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-04 00:44:47,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-04 00:44:47,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-04 00:44:47,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-04 00:44:47,350 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-04 00:44:47,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-04 00:44:47,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-04 00:44:47,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-04 00:44:47,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-04 00:44:47,350 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-04 00:44:47,350 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-10-04 00:44:47,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-04 00:44:47,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 00:44:47,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-04 00:44:47,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-04 00:44:47,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-04 00:44:47,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-04 00:44:47,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-04 00:44:47,353 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-04 00:44:47,354 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-10-04 00:44:47,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-10-04 00:44:47,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-04 00:44:47,354 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-10-04 00:44:47,355 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-10-04 00:44:47,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-04 00:44:47,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-04 00:44:47,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-04 00:44:47,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-04 00:44:47,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-04 00:44:47,599 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-10-04 00:44:47,603 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-10-04 00:44:47,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_longest.line519.bpl [2022-10-04 00:44:47,605 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_longest.line519.bpl' [2022-10-04 00:44:47,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-04 00:44:47,673 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-10-04 00:44:47,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-04 00:44:47,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-04 00:44:47,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-04 00:44:47,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-04 00:44:47,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-04 00:44:47,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-04 00:44:47,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-04 00:44:47,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/1) ... [2022-10-04 00:44:47,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-04 00:44:47,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:44:47,800 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) [2022-10-04 00:44:47,807 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 [2022-10-04 00:44:47,833 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-04 00:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-04 00:44:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-04 00:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-04 00:44:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-04 00:44:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-04 00:44:47,835 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-04 00:44:47,963 INFO L234 CfgBuilder]: Building ICFG [2022-10-04 00:44:47,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-04 00:44:48,728 INFO L275 CfgBuilder]: Performing block encoding [2022-10-04 00:44:48,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-04 00:44:48,755 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-04 00:44:48,757 INFO L202 PluginConnector]: Adding new model queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:44:48 BoogieIcfgContainer [2022-10-04 00:44:48,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-04 00:44:48,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-04 00:44:48,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-04 00:44:48,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-04 00:44:48,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:44:47" (1/2) ... [2022-10-04 00:44:48,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@730e10fb and model type queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:44:48, skipping insertion in model container [2022-10-04 00:44:48,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:44:48" (2/2) ... [2022-10-04 00:44:48,769 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longest.line519.bpl [2022-10-04 00:44:48,777 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-04 00:44:48,785 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-04 00:44:48,786 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-04 00:44:48,786 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-04 00:44:48,966 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-10-04 00:44:49,014 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:44:49,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:44:49,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:44:49,017 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) [2022-10-04 00:44:49,019 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 [2022-10-04 00:44:49,056 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:44:49,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 00:44:49,086 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;@3efb5658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:44:49,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:44:49,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 00:44:49,163 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:44:49,164 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-10-04 00:44:49,174 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:44:49,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:44:49,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:44:49,176 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) [2022-10-04 00:44:49,184 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 [2022-10-04 00:44:49,186 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:44:49,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-10-04 00:44:49,188 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;@3efb5658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:44:49,188 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:44:49,716 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-10-04 00:44:49,719 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:44:49,722 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-10-04 00:44:49,735 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:44:49,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:44:49,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:44:49,773 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) [2022-10-04 00:44:49,775 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 [2022-10-04 00:44:49,778 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:44:49,779 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 00:44:49,780 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;@3efb5658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:44:49,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:44:49,780 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-10-04 00:44:49,781 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 00:44:49,781 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-10-04 00:44:49,782 INFO L307 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-10-04 00:44:49,791 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-10-04 00:44:49,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-10-04 00:44:49,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-04 00:44:49,795 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) [2022-10-04 00:44:49,798 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 [2022-10-04 00:44:49,804 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-10-04 00:44:49,804 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ======== [2022-10-04 00:44:49,804 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;@3efb5658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-04 00:44:49,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-04 00:44:49,952 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:44:49,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:44:49,957 INFO L85 PathProgramCache]: Analyzing trace with hash -774587563, now seen corresponding path program 1 times [2022-10-04 00:44:49,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:44:49,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991062731] [2022-10-04 00:44:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:44:49,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:44:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:44:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:44:50,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:44:50,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991062731] [2022-10-04 00:44:50,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991062731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:44:50,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:44:50,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-04 00:44:50,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055202732] [2022-10-04 00:44:50,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:44:50,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-04 00:44:50,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:44:50,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-04 00:44:50,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-04 00:44:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:50,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:44:50,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 182.5) internal successors, (365), 2 states have internal predecessors, (365), 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) [2022-10-04 00:44:50,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:50,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:50,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-04 00:44:50,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:44:50,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:44:50,498 INFO L85 PathProgramCache]: Analyzing trace with hash -39872118, now seen corresponding path program 1 times [2022-10-04 00:44:50,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:44:50,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214902265] [2022-10-04 00:44:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:44:50,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:44:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:44:50,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:44:50,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:44:50,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214902265] [2022-10-04 00:44:50,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214902265] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:44:50,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:44:50,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-04 00:44:50,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809550461] [2022-10-04 00:44:50,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:44:50,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-04 00:44:50,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:44:50,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-04 00:44:50,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-04 00:44:50,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:50,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:44:50,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 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) [2022-10-04 00:44:50,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:50,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:44:51,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-04 00:44:51,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] === [2022-10-04 00:44:51,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-04 00:44:51,490 INFO L85 PathProgramCache]: Analyzing trace with hash 29163528, now seen corresponding path program 1 times [2022-10-04 00:44:51,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-04 00:44:51,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488274682] [2022-10-04 00:44:51,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-04 00:44:51,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-04 00:44:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-04 00:44:51,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-04 00:44:51,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-04 00:44:51,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488274682] [2022-10-04 00:44:51,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488274682] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-04 00:44:51,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-04 00:44:51,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-04 00:44:51,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247049028] [2022-10-04 00:44:51,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-04 00:44:51,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-04 00:44:51,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-04 00:44:51,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-04 00:44:51,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-04 00:44:51,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:51,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-10-04 00:44:51,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 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) [2022-10-04 00:44:51,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:44:51,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:44:51,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:45:11,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-04 00:45:11,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-04 00:45:11,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-04 00:45:11,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-10-04 00:45:11,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-04 00:45:11,727 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-10-04 00:45:11,727 INFO L307 ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-10-04 00:45:11,730 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-04 00:45:11,730 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-04 00:45:11,734 INFO L202 PluginConnector]: Adding new model queue_longest.line519.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:45:11 BasicIcfg [2022-10-04 00:45:11,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-04 00:45:11,735 INFO L158 Benchmark]: Toolchain (without parser) took 24061.88ms. Allocated memory was 178.3MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 135.7MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-10-04 00:45:11,735 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.47ms. Allocated memory is still 178.3MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-04 00:45:11,735 INFO L158 Benchmark]: Boogie Preprocessor took 87.92ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 131.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-10-04 00:45:11,735 INFO L158 Benchmark]: RCFGBuilder took 994.58ms. Allocated memory is still 178.3MB. Free memory was 131.7MB in the beginning and 132.1MB in the end (delta: -421.3kB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. [2022-10-04 00:45:11,736 INFO L158 Benchmark]: TraceAbstraction took 22975.35ms. Allocated memory was 178.3MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 131.6MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. [2022-10-04 00:45:11,736 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 0.47ms. Allocated memory is still 178.3MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 87.92ms. Allocated memory is still 178.3MB. Free memory was 135.6MB in the beginning and 131.8MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 994.58ms. Allocated memory is still 178.3MB. Free memory was 131.7MB in the beginning and 132.1MB in the end (delta: -421.3kB). Peak memory consumption was 22.4MB. Max. memory is 8.0GB. * TraceAbstraction took 22975.35ms. Allocated memory was 178.3MB in the beginning and 7.6GB in the end (delta: 7.4GB). Free memory was 131.6MB in the beginning and 6.7GB in the end (delta: -6.6GB). Peak memory consumption was 1.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, 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: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 3823, positive: 3661, positive conditional: 3661, positive unconditional: 0, negative: 162, negative conditional: 162, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3823, positive: 3661, positive conditional: 3661, positive unconditional: 0, negative: 162, negative conditional: 162, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3691, positive: 3661, positive conditional: 0, positive unconditional: 3661, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3614, positive: 3584, positive conditional: 0, positive unconditional: 3584, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3691, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3614, unknown conditional: 0, unknown unconditional: 3614] , Statistics on independence cache: Total cache size (in pairs): 3614, Positive cache size: 3584, Positive conditional cache size: 0, Positive unconditional cache size: 3584, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 132, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 201, positive: 191, positive conditional: 191, 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: 942265, positive: 918985, positive conditional: 918985, positive unconditional: 0, negative: 23280, negative conditional: 23280, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 922323, positive: 918985, positive conditional: 0, positive unconditional: 918985, negative: 3338, negative conditional: 0, negative unconditional: 3338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 43050, positive: 42845, positive conditional: 0, positive unconditional: 42845, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 922323, positive: 876140, positive conditional: 0, positive unconditional: 876140, negative: 3133, negative conditional: 0, negative unconditional: 3133, unknown: 43050, unknown conditional: 0, unknown unconditional: 43050] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 191, Positive conditional cache size: 0, Positive unconditional cache size: 191, 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 #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 195, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 942265, positive: 918985, positive conditional: 918985, positive unconditional: 0, negative: 23280, negative conditional: 23280, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 922323, positive: 918985, positive conditional: 0, positive unconditional: 918985, negative: 3338, negative conditional: 0, negative unconditional: 3338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 43050, positive: 42845, positive conditional: 0, positive unconditional: 42845, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 922323, positive: 876140, positive conditional: 0, positive unconditional: 876140, negative: 3133, negative conditional: 0, negative unconditional: 3133, unknown: 43050, unknown conditional: 0, unknown unconditional: 43050] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 191, Positive conditional cache size: 0, Positive unconditional cache size: 191, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 16, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 24202, positive: 23644, positive conditional: 23644, positive unconditional: 0, negative: 558, negative conditional: 558, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 942265, positive: 918985, positive conditional: 918985, positive unconditional: 0, negative: 23280, negative conditional: 23280, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 922323, positive: 918985, positive conditional: 0, positive unconditional: 918985, negative: 3338, negative conditional: 0, negative unconditional: 3338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 43050, positive: 42845, positive conditional: 0, positive unconditional: 42845, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 922323, positive: 876140, positive conditional: 0, positive unconditional: 876140, negative: 3133, negative conditional: 0, negative unconditional: 3133, unknown: 43050, unknown conditional: 0, unknown unconditional: 43050] , Statistics on independence cache: Total cache size (in pairs): 2849, Positive cache size: 2846, Positive conditional cache size: 0, Positive unconditional cache size: 2846, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Independence queries for same thread: 550, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 917667, positive: 894961, positive conditional: 894961, positive unconditional: 0, negative: 22706, negative conditional: 22706, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 942265, positive: 918985, positive conditional: 918985, positive unconditional: 0, negative: 23280, negative conditional: 23280, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 922323, positive: 918985, positive conditional: 0, positive unconditional: 918985, negative: 3338, negative conditional: 0, negative unconditional: 3338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 43050, positive: 42845, positive conditional: 0, positive unconditional: 42845, negative: 205, negative conditional: 0, negative unconditional: 205, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 922323, positive: 876140, positive conditional: 0, positive unconditional: 876140, negative: 3133, negative conditional: 0, negative unconditional: 3133, unknown: 43050, unknown conditional: 0, unknown unconditional: 43050] , Statistics on independence cache: Total cache size (in pairs): 43050, Positive cache size: 42845, Positive conditional cache size: 0, Positive unconditional cache size: 42845, Negative cache size: 205, Negative conditional cache size: 0, Negative unconditional cache size: 205, Independence queries for same thread: 19942, Statistics for Abstraction: - PositiveResult [Line: 519]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 1034 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, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 1034 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 21.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 20.9s, 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: 17, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1090 NumberOfCodeBlocks, 1090 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 1087 ConstructedInterpolants, 0 QuantifiedInterpolants, 2119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-10-04 00:45:11,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Forceful destruction successful, exit code 0 [2022-10-04 00:45:11,981 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2022-10-04 00:45:12,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2022-10-04 00:45:12,383 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 [2022-10-04 00:45:12,586 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...