/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/stack_longest-2.line412.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m [2022-09-30 08:21:24,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-30 08:21:24,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-30 08:21:25,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-30 08:21:25,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-30 08:21:25,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-30 08:21:25,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-30 08:21:25,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-30 08:21:25,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-30 08:21:25,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-30 08:21:25,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-30 08:21:25,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-30 08:21:25,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-30 08:21:25,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-30 08:21:25,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-30 08:21:25,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-30 08:21:25,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-30 08:21:25,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-30 08:21:25,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-30 08:21:25,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-30 08:21:25,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-30 08:21:25,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-30 08:21:25,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-30 08:21:25,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-30 08:21:25,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-30 08:21:25,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-30 08:21:25,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-30 08:21:25,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-30 08:21:25,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-30 08:21:25,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-30 08:21:25,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-30 08:21:25,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-30 08:21:25,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-30 08:21:25,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf [2022-09-30 08:21:25,118 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-30 08:21:25,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-30 08:21:25,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-30 08:21:25,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-30 08:21:25,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-30 08:21:25,120 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-30 08:21:25,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-30 08:21:25,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-30 08:21:25,120 INFO L138 SettingsManager]: * Use SBE=true [2022-09-30 08:21:25,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-30 08:21:25,121 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-30 08:21:25,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-30 08:21:25,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-30 08:21:25,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-30 08:21:25,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-30 08:21:25,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-30 08:21:25,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-30 08:21:25,122 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-30 08:21:25,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-30 08:21:25,123 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-30 08:21:25,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-30 08:21:25,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-30 08:21:25,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-30 08:21:25,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-30 08:21:25,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-30 08:21:25,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 08:21:25,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-30 08:21:25,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-30 08:21:25,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-30 08:21:25,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-30 08:21:25,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-30 08:21:25,125 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-30 08:21:25,125 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-09-30 08:21:25,125 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-09-30 08:21:25,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-30 08:21:25,125 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2022-09-30 08:21:25,125 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-09-30 08:21:25,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-09-30 08:21:25,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-30 08:21:25,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-30 08:21:25,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-30 08:21:25,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-30 08:21:25,382 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-09-30 08:21:25,383 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-09-30 08:21:25,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/stack_longest-2.line412.bpl [2022-09-30 08:21:25,385 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/stack_longest-2.line412.bpl' [2022-09-30 08:21:25,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-30 08:21:25,443 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2022-09-30 08:21:25,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-30 08:21:25,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-30 08:21:25,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-30 08:21:25,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-30 08:21:25,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-30 08:21:25,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-30 08:21:25,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-30 08:21:25,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/1) ... [2022-09-30 08:21:25,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-30 08:21:25,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 08:21:25,574 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) [2022-09-30 08:21:25,587 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 [2022-09-30 08:21:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-09-30 08:21:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-09-30 08:21:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-09-30 08:21:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-09-30 08:21:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-30 08:21:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-30 08:21:25,617 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-30 08:21:25,745 INFO L234 CfgBuilder]: Building ICFG [2022-09-30 08:21:25,747 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-30 08:21:26,246 INFO L275 CfgBuilder]: Performing block encoding [2022-09-30 08:21:26,260 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-30 08:21:26,260 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-09-30 08:21:26,264 INFO L202 PluginConnector]: Adding new model stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:21:26 BoogieIcfgContainer [2022-09-30 08:21:26,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-30 08:21:26,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-30 08:21:26,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-30 08:21:26,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-30 08:21:26,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 08:21:25" (1/2) ... [2022-09-30 08:21:26,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ba72810 and model type stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.09 08:21:26, skipping insertion in model container [2022-09-30 08:21:26,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 08:21:26" (2/2) ... [2022-09-30 08:21:26,274 INFO L112 eAbstractionObserver]: Analyzing ICFG stack_longest-2.line412.bpl [2022-09-30 08:21:26,281 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-30 08:21:26,290 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-30 08:21:26,290 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-30 08:21:26,292 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-30 08:21:26,397 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-30 08:21:26,442 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 08:21:26,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 08:21:26,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 08:21:26,445 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) [2022-09-30 08:21:26,467 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 [2022-09-30 08:21:26,495 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 08:21:26,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 08:21:26,508 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;@10a96902, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 08:21:26,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 08:21:26,879 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 08:21:26,884 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 08:21:26,886 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4) [2022-09-30 08:21:26,892 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 08:21:26,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 08:21:26,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 08:21:26,895 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) [2022-09-30 08:21:26,905 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 08:21:26,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-09-30 08:21:26,906 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;@10a96902, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 08:21:26,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 08:21:26,907 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 [2022-09-30 08:21:26,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-09-30 08:21:26,915 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 08:21:26,917 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4) [2022-09-30 08:21:26,922 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 08:21:26,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 08:21:26,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 08:21:26,975 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) [2022-09-30 08:21:26,976 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 [2022-09-30 08:21:26,979 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 08:21:26,980 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-09-30 08:21:26,981 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;@10a96902, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 08:21:26,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 08:21:26,981 WARN L124 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-09-30 08:21:26,981 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 08:21:26,982 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-09-30 08:21:26,982 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (3/4) [2022-09-30 08:21:26,986 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-09-30 08:21:26,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-09-30 08:21:26,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-30 08:21:26,991 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) [2022-09-30 08:21:26,993 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 [2022-09-30 08:21:26,998 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-09-30 08:21:26,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t2Err0ASSERT_VIOLATIONASSERT ======== [2022-09-30 08:21:26,999 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;@10a96902, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-30 08:21:26,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-09-30 08:21:27,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 08:21:27,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 08:21:27,297 INFO L85 PathProgramCache]: Analyzing trace with hash 455642714, now seen corresponding path program 1 times [2022-09-30 08:21:27,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 08:21:27,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110626779] [2022-09-30 08:21:27,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 08:21:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 08:21:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 08:21:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-30 08:21:27,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 08:21:27,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110626779] [2022-09-30 08:21:27,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110626779] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 08:21:27,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 08:21:27,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-30 08:21:27,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849423965] [2022-09-30 08:21:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 08:21:27,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-09-30 08:21:27,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 08:21:27,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-09-30 08:21:27,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-09-30 08:21:27,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:27,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 08:21:27,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 107.5) internal successors, (215), 2 states have internal predecessors, (215), 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) [2022-09-30 08:21:27,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:27,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-30 08:21:27,919 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 08:21:27,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 08:21:27,920 INFO L85 PathProgramCache]: Analyzing trace with hash 144568758, now seen corresponding path program 1 times [2022-09-30 08:21:27,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 08:21:27,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349884347] [2022-09-30 08:21:27,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 08:21:27,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 08:21:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 08:21:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-09-30 08:21:28,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 08:21:28,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349884347] [2022-09-30 08:21:28,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349884347] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 08:21:28,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 08:21:28,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-30 08:21:28,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471638188] [2022-09-30 08:21:28,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 08:21:28,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-30 08:21:28,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 08:21:28,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-30 08:21:28,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-30 08:21:28,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,254 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 08:21:28,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 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) [2022-09-30 08:21:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:28,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-30 08:21:28,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 08:21:28,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 08:21:28,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1733093968, now seen corresponding path program 1 times [2022-09-30 08:21:28,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 08:21:28,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098765503] [2022-09-30 08:21:28,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 08:21:28,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 08:21:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 08:21:28,737 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-09-30 08:21:28,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 08:21:28,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098765503] [2022-09-30 08:21:28,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098765503] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 08:21:28,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 08:21:28,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-30 08:21:28,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819661272] [2022-09-30 08:21:28,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 08:21:28,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-30 08:21:28,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 08:21:28,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-30 08:21:28,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-30 08:21:28,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,745 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 08:21:28,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.0) internal successors, (312), 3 states have internal predecessors, (312), 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) [2022-09-30 08:21:28,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:28,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:28,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:28,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-30 08:21:28,961 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONASSERT === [t2Err0ASSERT_VIOLATIONASSERT] === [2022-09-30 08:21:28,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-30 08:21:28,962 INFO L85 PathProgramCache]: Analyzing trace with hash 183959217, now seen corresponding path program 1 times [2022-09-30 08:21:28,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-30 08:21:28,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549072962] [2022-09-30 08:21:28,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-30 08:21:28,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-30 08:21:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-30 08:21:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-09-30 08:21:29,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-30 08:21:29,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549072962] [2022-09-30 08:21:29,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549072962] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-30 08:21:29,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-30 08:21:29,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-09-30 08:21:29,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090415222] [2022-09-30 08:21:29,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-30 08:21:29,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-30 08:21:29,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-30 08:21:29,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-30 08:21:29,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-09-30 08:21:29,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:29,159 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-09-30 08:21:29,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 24.88888888888889) internal successors, (224), 10 states have internal predecessors, (224), 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) [2022-09-30 08:21:29,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:29,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:29,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:29,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:36,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-09-30 08:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-30 08:21:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-30 08:21:36,527 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining) [2022-09-30 08:21:36,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-30 08:21:36,529 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-30 08:21:36,529 INFO L307 ceAbstractionStarter]: Result for error location t2Err0ASSERT_VIOLATIONASSERT was SAFE (4/4) [2022-09-30 08:21:36,531 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-30 08:21:36,531 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-30 08:21:36,535 INFO L202 PluginConnector]: Adding new model stack_longest-2.line412.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.09 08:21:36 BasicIcfg [2022-09-30 08:21:36,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-30 08:21:36,536 INFO L158 Benchmark]: Toolchain (without parser) took 11092.57ms. Allocated memory was 189.8MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 145.7MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 795.5MB. Max. memory is 8.0GB. [2022-09-30 08:21:36,536 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 189.8MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-30 08:21:36,536 INFO L158 Benchmark]: Boogie Preprocessor took 80.02ms. Allocated memory is still 189.8MB. Free memory was 145.6MB in the beginning and 142.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-30 08:21:36,536 INFO L158 Benchmark]: RCFGBuilder took 738.43ms. Allocated memory is still 189.8MB. Free memory was 142.9MB in the beginning and 151.9MB in the end (delta: -9.0MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2022-09-30 08:21:36,537 INFO L158 Benchmark]: TraceAbstraction took 10268.15ms. Allocated memory was 189.8MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 151.3MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 800.6MB. Max. memory is 8.0GB. [2022-09-30 08:21:36,548 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 189.8MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 80.02ms. Allocated memory is still 189.8MB. Free memory was 145.6MB in the beginning and 142.9MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 738.43ms. Allocated memory is still 189.8MB. Free memory was 142.9MB in the beginning and 151.9MB in the end (delta: -9.0MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * TraceAbstraction took 10268.15ms. Allocated memory was 189.8MB in the beginning and 3.2GB in the end (delta: 3.0GB). Free memory was 151.3MB in the beginning and 2.9GB in the end (delta: -2.8GB). Peak memory consumption was 800.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1082, positive: 1002, positive conditional: 1002, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1082, positive: 1002, positive conditional: 1002, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1004, positive: 1002, positive conditional: 0, positive unconditional: 1002, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 999, positive: 997, positive conditional: 0, positive unconditional: 997, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 999, unknown conditional: 0, unknown unconditional: 999] , Statistics on independence cache: Total cache size (in pairs): 999, Positive cache size: 997, Positive conditional cache size: 0, Positive unconditional cache size: 997, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 78, 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: 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: 6529, positive: 6241, positive conditional: 6241, positive unconditional: 0, negative: 288, negative conditional: 288, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 614030, positive: 587802, positive conditional: 587802, positive unconditional: 0, negative: 26228, negative conditional: 26228, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 588999, positive: 587802, positive conditional: 0, positive unconditional: 587802, negative: 1197, negative conditional: 0, negative unconditional: 1197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8603, positive: 8588, positive conditional: 0, positive unconditional: 8588, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 588999, positive: 579214, positive conditional: 0, positive unconditional: 579214, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 8603, unknown conditional: 0, unknown unconditional: 8603] , Statistics on independence cache: Total cache size (in pairs): 2305, Positive cache size: 2303, Positive conditional cache size: 0, Positive unconditional cache size: 2303, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 284, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 10922, positive: 10467, positive conditional: 10467, positive unconditional: 0, negative: 455, negative conditional: 455, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 614030, positive: 587802, positive conditional: 587802, positive unconditional: 0, negative: 26228, negative conditional: 26228, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 588999, positive: 587802, positive conditional: 0, positive unconditional: 587802, negative: 1197, negative conditional: 0, negative unconditional: 1197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8603, positive: 8588, positive conditional: 0, positive unconditional: 8588, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 588999, positive: 579214, positive conditional: 0, positive unconditional: 579214, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 8603, unknown conditional: 0, unknown unconditional: 8603] , Statistics on independence cache: Total cache size (in pairs): 2343, Positive cache size: 2341, Positive conditional cache size: 0, Positive unconditional cache size: 2341, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 732, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 12807, positive: 12167, positive conditional: 12167, positive unconditional: 0, negative: 640, negative conditional: 640, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 614030, positive: 587802, positive conditional: 587802, positive unconditional: 0, negative: 26228, negative conditional: 26228, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 588999, positive: 587802, positive conditional: 0, positive unconditional: 587802, negative: 1197, negative conditional: 0, negative unconditional: 1197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8603, positive: 8588, positive conditional: 0, positive unconditional: 8588, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 588999, positive: 579214, positive conditional: 0, positive unconditional: 579214, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 8603, unknown conditional: 0, unknown unconditional: 8603] , Statistics on independence cache: Total cache size (in pairs): 3723, Positive cache size: 3716, Positive conditional cache size: 0, Positive unconditional cache size: 3716, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 1359, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 13218, positive: 12635, positive conditional: 12635, positive unconditional: 0, negative: 583, negative conditional: 583, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 614030, positive: 587802, positive conditional: 587802, positive unconditional: 0, negative: 26228, negative conditional: 26228, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 588999, positive: 587802, positive conditional: 0, positive unconditional: 587802, negative: 1197, negative conditional: 0, negative unconditional: 1197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8603, positive: 8588, positive conditional: 0, positive unconditional: 8588, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 588999, positive: 579214, positive conditional: 0, positive unconditional: 579214, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 8603, unknown conditional: 0, unknown unconditional: 8603] , Statistics on independence cache: Total cache size (in pairs): 3739, Positive cache size: 3732, Positive conditional cache size: 0, Positive unconditional cache size: 3732, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 1930, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 570554, positive: 546292, positive conditional: 546292, positive unconditional: 0, negative: 24262, negative conditional: 24262, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 614030, positive: 587802, positive conditional: 587802, positive unconditional: 0, negative: 26228, negative conditional: 26228, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 588999, positive: 587802, positive conditional: 0, positive unconditional: 587802, negative: 1197, negative conditional: 0, negative unconditional: 1197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8603, positive: 8588, positive conditional: 0, positive unconditional: 8588, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 588999, positive: 579214, positive conditional: 0, positive unconditional: 579214, negative: 1182, negative conditional: 0, negative unconditional: 1182, unknown: 8603, unknown conditional: 0, unknown unconditional: 8603] , Statistics on independence cache: Total cache size (in pairs): 8603, Positive cache size: 8588, Positive conditional cache size: 0, Positive unconditional cache size: 8588, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Independence queries for same thread: 25031, Statistics for Abstraction: - PositiveResult [Line: 412]: 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, 443 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances CFG has 5 procedures, 443 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: t2Err0ASSERT_VIOLATIONASSERT with 1 thread instances CFG has 5 procedures, 443 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: t2Err0ASSERT_VIOLATIONASSERT with 2 thread instances CFG has 5 procedures, 443 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 8.4s, 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: 23, 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, 995 NumberOfCodeBlocks, 995 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 991 ConstructedInterpolants, 0 QuantifiedInterpolants, 1379 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 155/155 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! [2022-09-30 08:21:36,578 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 [2022-09-30 08:21:36,782 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 [2022-09-30 08:21:36,981 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 [2022-09-30 08:21:37,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-09-30 08:21:37,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...