This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 13:35:03,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 13:35:03,287 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 13:35:03,293 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 13:35:03,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 13:35:03,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 13:35:03,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 13:35:03,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 13:35:03,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 13:35:03,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 13:35:03,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 13:35:03,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 13:35:03,329 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 13:35:03,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 13:35:03,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 13:35:03,332 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 13:35:03,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 13:35:03,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 13:35:03,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 13:35:03,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 13:35:03,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 13:35:03,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 13:35:03,339 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 13:35:03,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 13:35:03,340 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 13:35:03,340 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 13:35:03,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 13:35:03,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 13:35:03,341 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 13:35:03,341 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 13:35:03,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:35:03,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 13:35:03,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 13:35:03,342 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 13:35:03,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 13:35:03,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 13:35:03,343 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 13:35:03,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 13:35:03,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 13:35:03,345 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 13:35:03,345 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 13:35:03,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26b6897a83c9df9076ea7ea4c612ce46453382fa627c0d6af54da2d169befd96 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 13:35:03,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 13:35:03,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 13:35:03,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 13:35:03,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 13:35:03,736 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 13:35:03,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2024-10-16 13:35:05,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 13:35:05,460 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 13:35:05,461 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i [2024-10-16 13:35:05,478 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4922f6901/d8f6a096c99f4c548cfdb25313052cad/FLAGf615677f7 [2024-10-16 13:35:05,789 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4922f6901/d8f6a096c99f4c548cfdb25313052cad [2024-10-16 13:35:05,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 13:35:05,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 13:35:05,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 13:35:05,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 13:35:05,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 13:35:05,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:05" (1/1) ... [2024-10-16 13:35:05,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9f0e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:05, skipping insertion in model container [2024-10-16 13:35:05,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:35:05" (1/1) ... [2024-10-16 13:35:05,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 13:35:06,052 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i[945,958] [2024-10-16 13:35:06,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:35:06,238 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 13:35:06,251 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_tso.i[945,958] [2024-10-16 13:35:06,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 13:35:06,340 INFO L204 MainTranslator]: Completed translation [2024-10-16 13:35:06,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06 WrapperNode [2024-10-16 13:35:06,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 13:35:06,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 13:35:06,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 13:35:06,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 13:35:06,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,390 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-10-16 13:35:06,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 13:35:06,392 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 13:35:06,392 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 13:35:06,392 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 13:35:06,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,418 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,419 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 13:35:06,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 13:35:06,426 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 13:35:06,426 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 13:35:06,427 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (1/1) ... [2024-10-16 13:35:06,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 13:35:06,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:35:06,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 13:35:06,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 13:35:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 13:35:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 13:35:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-16 13:35:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-16 13:35:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-16 13:35:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-16 13:35:06,513 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-16 13:35:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-16 13:35:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 13:35:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 13:35:06,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 13:35:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 13:35:06,515 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 13:35:06,679 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 13:35:06,682 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 13:35:06,859 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 13:35:06,859 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 13:35:06,952 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 13:35:06,952 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-16 13:35:06,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:06 BoogieIcfgContainer [2024-10-16 13:35:06,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 13:35:06,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 13:35:06,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 13:35:06,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 13:35:06,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:35:05" (1/3) ... [2024-10-16 13:35:06,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a73017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:35:06, skipping insertion in model container [2024-10-16 13:35:06,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:35:06" (2/3) ... [2024-10-16 13:35:06,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a73017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:35:06, skipping insertion in model container [2024-10-16 13:35:06,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:06" (3/3) ... [2024-10-16 13:35:06,964 INFO L112 eAbstractionObserver]: Analyzing ICFG safe031_tso.i [2024-10-16 13:35:06,980 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 13:35:06,981 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 13:35:06,982 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 13:35:07,018 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-16 13:35:07,065 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 13:35:07,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 13:35:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 13:35:07,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 13:35:07,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 13:35:07,158 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 13:35:07,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:35:07,174 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 13:35:07,180 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@261ddff3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 13:35:07,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 13:35:07,913 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:35:07,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:35:07,919 INFO L85 PathProgramCache]: Analyzing trace with hash -591436263, now seen corresponding path program 1 times [2024-10-16 13:35:07,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:35:07,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625552183] [2024-10-16 13:35:07,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:07,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:35:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:35:08,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:35:08,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625552183] [2024-10-16 13:35:08,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625552183] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:35:08,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:35:08,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-16 13:35:08,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228761450] [2024-10-16 13:35:08,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:35:08,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 13:35:08,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:35:08,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 13:35:08,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-16 13:35:08,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:08,561 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:35:08,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2024-10-16 13:35:08,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 13:35:08,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 13:35:08,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:35:09,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1492121506, now seen corresponding path program 1 times [2024-10-16 13:35:09,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:35:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:35:09,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:09,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:35:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:35:09,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:35:09,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:35:09,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:35:09,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:09,342 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:35:09,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2024-10-16 13:35:09,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 13:35:09,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 13:35:09,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:09,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1 [2024-10-16 13:35:09,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 13:35:09,700 INFO L85 PathProgramCache]: Analyzing trace with hash -572275158, now seen corresponding path program 1 times [2024-10-16 13:35:09,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:09,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:09,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-16 13:35:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-16 13:35:09,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 13:35:09,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1943447542, now seen corresponding path program 1 times [2024-10-16 13:35:09,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 13:35:09,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265279759] [2024-10-16 13:35:09,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 13:35:09,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 13:35:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 13:35:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 13:35:09,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 13:35:09,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265279759] [2024-10-16 13:35:09,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265279759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 13:35:09,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 13:35:09,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-16 13:35:09,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451558482] [2024-10-16 13:35:09,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 13:35:09,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-16 13:35:09,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 13:35:09,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-16 13:35:09,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-16 13:35:09,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:09,918 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 13:35:09,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-10-16 13:35:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 13:35:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:09,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 13:35:10,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 13:35:10,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:10,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 13:35:10,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 13:35:10,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 13:35:10,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 13:35:10,691 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 13:35:10,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3 [2024-10-16 13:35:10,701 INFO L414 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-16 13:35:10,704 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 13:35:10,704 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 13:35:10,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:35:10 BasicIcfg [2024-10-16 13:35:10,707 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 13:35:10,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 13:35:10,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 13:35:10,708 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 13:35:10,709 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:35:06" (3/4) ... [2024-10-16 13:35:10,711 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 13:35:10,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-16 13:35:10,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-16 13:35:10,714 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-16 13:35:10,717 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-10-16 13:35:10,718 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-16 13:35:10,718 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-16 13:35:10,718 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 13:35:10,802 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 13:35:10,803 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 13:35:10,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 13:35:10,804 INFO L158 Benchmark]: Toolchain (without parser) took 5009.56ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 36.1MB in the beginning and 79.7MB in the end (delta: -43.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-10-16 13:35:10,805 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 13:35:10,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.35ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 31.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-10-16 13:35:10,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 69.2MB. Free memory was 31.0MB in the beginning and 29.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 13:35:10,806 INFO L158 Benchmark]: Boogie Preprocessor took 33.46ms. Allocated memory is still 69.2MB. Free memory was 29.1MB in the beginning and 27.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 13:35:10,806 INFO L158 Benchmark]: RCFGBuilder took 527.38ms. Allocated memory is still 69.2MB. Free memory was 27.7MB in the beginning and 32.5MB in the end (delta: -4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-16 13:35:10,807 INFO L158 Benchmark]: TraceAbstraction took 3751.77ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 31.1MB in the beginning and 83.9MB in the end (delta: -52.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-10-16 13:35:10,807 INFO L158 Benchmark]: Witness Printer took 95.32ms. Allocated memory is still 121.6MB. Free memory was 83.9MB in the beginning and 79.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 13:35:10,809 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.35ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 31.3MB in the end (delta: 4.6MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 69.2MB. Free memory was 31.0MB in the beginning and 29.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.46ms. Allocated memory is still 69.2MB. Free memory was 29.1MB in the beginning and 27.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.38ms. Allocated memory is still 69.2MB. Free memory was 27.7MB in the beginning and 32.5MB in the end (delta: -4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3751.77ms. Allocated memory was 69.2MB in the beginning and 121.6MB in the end (delta: 52.4MB). Free memory was 31.1MB in the beginning and 83.9MB in the end (delta: -52.9MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. * Witness Printer took 95.32ms. Allocated memory is still 121.6MB. Free memory was 83.9MB in the beginning and 79.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4190, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1296, independent: 407, independent conditional: 235, independent unconditional: 172, dependent: 889, dependent conditional: 146, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1296, independent: 407, independent conditional: 235, independent unconditional: 172, dependent: 889, dependent conditional: 146, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798 ], Independence queries for same thread: 3, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 706, Number of trivial persistent sets: 387, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 704, independent: 683, independent conditional: 0, independent unconditional: 683, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4190, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4187, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 105, dependent conditional: 84, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1296, independent: 407, independent conditional: 235, independent unconditional: 172, dependent: 889, dependent conditional: 146, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 3399, independent unconditional: 683, dependent: 568, dependent conditional: 526, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4650, independent: 4082, independent conditional: 113, independent unconditional: 3969, dependent: 568, dependent conditional: 14, dependent unconditional: 554, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 718, independent: 693, independent conditional: 10, independent unconditional: 683, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 718, independent: 675, independent conditional: 0, independent unconditional: 675, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1296, independent: 407, independent conditional: 235, independent unconditional: 172, dependent: 889, dependent conditional: 146, dependent unconditional: 743, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4650, independent: 3389, independent conditional: 103, independent unconditional: 3286, dependent: 543, dependent conditional: 10, dependent unconditional: 533, unknown: 718, unknown conditional: 14, unknown unconditional: 704] , Statistics on independence cache: Total cache size (in pairs): 718, Positive cache size: 693, Positive conditional cache size: 10, Positive unconditional cache size: 683, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3798 ], Independence queries for same thread: 3 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 64 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.0s, 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: 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.7s, ConditionalCommutativityCheckTime: 0.7s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 5, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 13:35:10,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-16 13:35:11,044 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...