./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-30 10:28:40,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-30 10:28:40,520 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-30 10:28:40,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-30 10:28:40,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-30 10:28:40,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-30 10:28:40,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-30 10:28:40,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-30 10:28:40,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-30 10:28:40,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-30 10:28:40,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-30 10:28:40,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-30 10:28:40,546 INFO L153 SettingsManager]: * Use SBE=true [2025-04-30 10:28:40,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-30 10:28:40,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-30 10:28:40,546 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-30 10:28:40,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-30 10:28:40,546 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-30 10:28:40,546 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-30 10:28:40,546 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-30 10:28:40,547 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:40,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:40,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-30 10:28:40,548 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-30 10:28:40,548 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-30 10:28:40,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:40,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-30 10:28:40,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-30 10:28:40,548 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-30 10:28:40,548 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-30 10:28:40,549 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-30 10:28:40,549 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-30 10:28:40,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-30 10:28:40,549 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-30 10:28:40,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-30 10:28:40,549 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2025-04-30 10:28:40,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-30 10:28:40,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-30 10:28:40,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-30 10:28:40,790 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-30 10:28:40,790 INFO L274 PluginConnector]: CDTParser initialized [2025-04-30 10:28:40,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2025-04-30 10:28:42,155 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678eca3ab/f7b9f1d45ba4419f896b678da54c3fdd/FLAG320005668 [2025-04-30 10:28:42,401 INFO L389 CDTParser]: Found 1 translation units. [2025-04-30 10:28:42,402 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.i [2025-04-30 10:28:42,416 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678eca3ab/f7b9f1d45ba4419f896b678da54c3fdd/FLAG320005668 [2025-04-30 10:28:43,155 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/678eca3ab/f7b9f1d45ba4419f896b678da54c3fdd [2025-04-30 10:28:43,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-30 10:28:43,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-30 10:28:43,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:43,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-30 10:28:43,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-30 10:28:43,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9a61fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43, skipping insertion in model container [2025-04-30 10:28:43,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-30 10:28:43,406 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:43,420 INFO L200 MainTranslator]: Completed pre-run [2025-04-30 10:28:43,484 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-30 10:28:43,510 INFO L204 MainTranslator]: Completed translation [2025-04-30 10:28:43,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43 WrapperNode [2025-04-30 10:28:43,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-30 10:28:43,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:43,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-30 10:28:43,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-30 10:28:43,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,548 INFO L138 Inliner]: procedures = 162, calls = 54, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 117 [2025-04-30 10:28:43,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-30 10:28:43,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-30 10:28:43,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-30 10:28:43,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-30 10:28:43,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,567 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-30 10:28:43,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-30 10:28:43,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-30 10:28:43,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-30 10:28:43,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (1/1) ... [2025-04-30 10:28:43,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-30 10:28:43,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-30 10:28:43,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-30 10:28:43,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-30 10:28:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-30 10:28:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-30 10:28:43,640 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-30 10:28:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-30 10:28:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-30 10:28:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-30 10:28:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-30 10:28:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-30 10:28:43,641 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-30 10:28:43,752 INFO L234 CfgBuilder]: Building ICFG [2025-04-30 10:28:43,753 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-30 10:28:43,991 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-30 10:28:43,992 INFO L283 CfgBuilder]: Performing block encoding [2025-04-30 10:28:44,031 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-30 10:28:44,031 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-30 10:28:44,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:44 BoogieIcfgContainer [2025-04-30 10:28:44,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-30 10:28:44,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-30 10:28:44,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-30 10:28:44,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-30 10:28:44,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.04 10:28:43" (1/3) ... [2025-04-30 10:28:44,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2024818e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:44, skipping insertion in model container [2025-04-30 10:28:44,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.04 10:28:43" (2/3) ... [2025-04-30 10:28:44,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2024818e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.04 10:28:44, skipping insertion in model container [2025-04-30 10:28:44,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:44" (3/3) ... [2025-04-30 10:28:44,043 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2025-04-30 10:28:44,054 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-30 10:28:44,056 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_24-multiple-protecting_true.i that has 2 procedures, 196 locations, 202 edges, 1 initial locations, 0 loop locations, and 12 error locations. [2025-04-30 10:28:44,058 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-30 10:28:44,107 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-30 10:28:44,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 203 transitions, 413 flow [2025-04-30 10:28:44,237 INFO L116 PetriNetUnfolderBase]: 8/202 cut-off events. [2025-04-30 10:28:44,238 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:44,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 207 conditions, 202 events. 8/202 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 256 event pairs, 0 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2025-04-30 10:28:44,244 INFO L82 GeneralOperation]: Start removeDead. Operand has 199 places, 203 transitions, 413 flow [2025-04-30 10:28:44,250 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 197 transitions, 397 flow [2025-04-30 10:28:44,259 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-30 10:28:44,268 INFO L340 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=PETRI_NET, 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;@499c4914, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-30 10:28:44,270 INFO L341 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-04-30 10:28:44,277 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-30 10:28:44,277 INFO L116 PetriNetUnfolderBase]: 0/49 cut-off events. [2025-04-30 10:28:44,277 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-30 10:28:44,278 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:44,278 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:44,279 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:44,283 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:44,283 INFO L85 PathProgramCache]: Analyzing trace with hash -849867250, now seen corresponding path program 1 times [2025-04-30 10:28:44,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:44,289 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96322987] [2025-04-30 10:28:44,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:44,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:44,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-04-30 10:28:44,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-04-30 10:28:44,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:44,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:44,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:44,498 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96322987] [2025-04-30 10:28:44,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96322987] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:44,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:44,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:44,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034216416] [2025-04-30 10:28:44,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:44,506 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:44,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:44,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:44,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:44,564 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 203 [2025-04-30 10:28:44,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 197 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2025-04-30 10:28:44,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:44,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 203 [2025-04-30 10:28:44,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:45,033 INFO L116 PetriNetUnfolderBase]: 521/2881 cut-off events. [2025-04-30 10:28:45,033 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-30 10:28:45,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4002 conditions, 2881 events. 521/2881 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23150 event pairs, 104 based on Foata normal form. 234/2840 useless extension candidates. Maximal degree in co-relation 3960. Up to 662 conditions per place. [2025-04-30 10:28:45,052 INFO L140 encePairwiseOnDemand]: 180/203 looper letters, 62 selfloop transitions, 10 changer transitions 0/211 dead transitions. [2025-04-30 10:28:45,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 211 transitions, 569 flow [2025-04-30 10:28:45,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2025-04-30 10:28:45,062 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8817733990147784 [2025-04-30 10:28:45,065 INFO L175 Difference]: Start difference. First operand has 193 places, 197 transitions, 397 flow. Second operand 3 states and 537 transitions. [2025-04-30 10:28:45,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 211 transitions, 569 flow [2025-04-30 10:28:45,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 211 transitions, 568 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-30 10:28:45,075 INFO L231 Difference]: Finished difference. Result has 186 places, 187 transitions, 438 flow [2025-04-30 10:28:45,077 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=438, PETRI_PLACES=186, PETRI_TRANSITIONS=187} [2025-04-30 10:28:45,081 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -7 predicate places. [2025-04-30 10:28:45,081 INFO L485 AbstractCegarLoop]: Abstraction has has 186 places, 187 transitions, 438 flow [2025-04-30 10:28:45,082 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 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) [2025-04-30 10:28:45,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:45,082 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:45,082 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-30 10:28:45,082 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:45,083 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:45,083 INFO L85 PathProgramCache]: Analyzing trace with hash -433555147, now seen corresponding path program 1 times [2025-04-30 10:28:45,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:45,084 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178304836] [2025-04-30 10:28:45,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:45,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:45,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-30 10:28:45,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-30 10:28:45,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:45,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:45,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:45,163 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178304836] [2025-04-30 10:28:45,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178304836] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:45,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:45,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:45,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955166921] [2025-04-30 10:28:45,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:45,169 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:45,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:45,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:45,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:45,216 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2025-04-30 10:28:45,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 187 transitions, 438 flow. Second operand has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2025-04-30 10:28:45,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:45,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2025-04-30 10:28:45,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:45,582 INFO L116 PetriNetUnfolderBase]: 506/2881 cut-off events. [2025-04-30 10:28:45,582 INFO L117 PetriNetUnfolderBase]: For 383/387 co-relation queries the response was YES. [2025-04-30 10:28:45,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4345 conditions, 2881 events. 506/2881 cut-off events. For 383/387 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23171 event pairs, 355 based on Foata normal form. 4/2607 useless extension candidates. Maximal degree in co-relation 4302. Up to 979 conditions per place. [2025-04-30 10:28:45,596 INFO L140 encePairwiseOnDemand]: 196/203 looper letters, 52 selfloop transitions, 8 changer transitions 0/206 dead transitions. [2025-04-30 10:28:45,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 206 transitions, 612 flow [2025-04-30 10:28:45,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:45,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:45,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 516 transitions. [2025-04-30 10:28:45,598 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8472906403940886 [2025-04-30 10:28:45,598 INFO L175 Difference]: Start difference. First operand has 186 places, 187 transitions, 438 flow. Second operand 3 states and 516 transitions. [2025-04-30 10:28:45,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 206 transitions, 612 flow [2025-04-30 10:28:45,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 206 transitions, 586 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:45,605 INFO L231 Difference]: Finished difference. Result has 188 places, 194 transitions, 490 flow [2025-04-30 10:28:45,606 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=188, PETRI_TRANSITIONS=194} [2025-04-30 10:28:45,607 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -5 predicate places. [2025-04-30 10:28:45,607 INFO L485 AbstractCegarLoop]: Abstraction has has 188 places, 194 transitions, 490 flow [2025-04-30 10:28:45,607 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.33333333333334) internal successors, (469), 3 states have internal predecessors, (469), 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) [2025-04-30 10:28:45,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:45,607 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:45,608 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-30 10:28:45,608 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:45,609 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:45,610 INFO L85 PathProgramCache]: Analyzing trace with hash 39649799, now seen corresponding path program 1 times [2025-04-30 10:28:45,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:45,610 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521360883] [2025-04-30 10:28:45,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:45,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:45,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-04-30 10:28:45,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-04-30 10:28:45,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:45,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:45,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:45,894 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521360883] [2025-04-30 10:28:45,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521360883] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:45,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:45,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-30 10:28:45,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194265031] [2025-04-30 10:28:45,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:45,895 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-30 10:28:45,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:45,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-30 10:28:45,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-30 10:28:45,935 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2025-04-30 10:28:45,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 194 transitions, 490 flow. Second operand has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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) [2025-04-30 10:28:45,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:45,937 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2025-04-30 10:28:45,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:46,152 INFO L116 PetriNetUnfolderBase]: 140/1327 cut-off events. [2025-04-30 10:28:46,152 INFO L117 PetriNetUnfolderBase]: For 56/59 co-relation queries the response was YES. [2025-04-30 10:28:46,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1827 conditions, 1327 events. 140/1327 cut-off events. For 56/59 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8764 event pairs, 64 based on Foata normal form. 13/1233 useless extension candidates. Maximal degree in co-relation 1781. Up to 177 conditions per place. [2025-04-30 10:28:46,158 INFO L140 encePairwiseOnDemand]: 195/203 looper letters, 39 selfloop transitions, 8 changer transitions 2/206 dead transitions. [2025-04-30 10:28:46,159 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 206 transitions, 574 flow [2025-04-30 10:28:46,159 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-30 10:28:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-30 10:28:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 866 transitions. [2025-04-30 10:28:46,161 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8532019704433498 [2025-04-30 10:28:46,161 INFO L175 Difference]: Start difference. First operand has 188 places, 194 transitions, 490 flow. Second operand 5 states and 866 transitions. [2025-04-30 10:28:46,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 206 transitions, 574 flow [2025-04-30 10:28:46,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 206 transitions, 556 flow, removed 5 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:46,166 INFO L231 Difference]: Finished difference. Result has 189 places, 187 transitions, 448 flow [2025-04-30 10:28:46,166 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=448, PETRI_PLACES=189, PETRI_TRANSITIONS=187} [2025-04-30 10:28:46,167 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -4 predicate places. [2025-04-30 10:28:46,167 INFO L485 AbstractCegarLoop]: Abstraction has has 189 places, 187 transitions, 448 flow [2025-04-30 10:28:46,168 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 164.4) internal successors, (822), 5 states have internal predecessors, (822), 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) [2025-04-30 10:28:46,168 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:46,168 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:46,168 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-30 10:28:46,168 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:46,169 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:46,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1036238888, now seen corresponding path program 1 times [2025-04-30 10:28:46,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:46,169 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305373868] [2025-04-30 10:28:46,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:46,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:46,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-04-30 10:28:46,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-04-30 10:28:46,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:46,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:46,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:46,222 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305373868] [2025-04-30 10:28:46,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305373868] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:46,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:46,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:46,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137984363] [2025-04-30 10:28:46,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:46,223 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:46,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:46,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:46,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:46,256 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2025-04-30 10:28:46,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 187 transitions, 448 flow. Second operand has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2025-04-30 10:28:46,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:46,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2025-04-30 10:28:46,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:46,385 INFO L116 PetriNetUnfolderBase]: 206/1481 cut-off events. [2025-04-30 10:28:46,385 INFO L117 PetriNetUnfolderBase]: For 238/239 co-relation queries the response was YES. [2025-04-30 10:28:46,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 1481 events. 206/1481 cut-off events. For 238/239 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10354 event pairs, 161 based on Foata normal form. 0/1370 useless extension candidates. Maximal degree in co-relation 2262. Up to 482 conditions per place. [2025-04-30 10:28:46,390 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 4 changer transitions 0/193 dead transitions. [2025-04-30 10:28:46,390 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 565 flow [2025-04-30 10:28:46,390 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:46,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2025-04-30 10:28:46,392 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8292282430213465 [2025-04-30 10:28:46,392 INFO L175 Difference]: Start difference. First operand has 189 places, 187 transitions, 448 flow. Second operand 3 states and 505 transitions. [2025-04-30 10:28:46,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 565 flow [2025-04-30 10:28:46,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 562 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:46,395 INFO L231 Difference]: Finished difference. Result has 191 places, 190 transitions, 479 flow [2025-04-30 10:28:46,395 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=445, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=191, PETRI_TRANSITIONS=190} [2025-04-30 10:28:46,395 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2025-04-30 10:28:46,395 INFO L485 AbstractCegarLoop]: Abstraction has has 191 places, 190 transitions, 479 flow [2025-04-30 10:28:46,396 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.66666666666666) internal successors, (473), 3 states have internal predecessors, (473), 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) [2025-04-30 10:28:46,396 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:46,396 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:46,396 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-30 10:28:46,396 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:46,397 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:46,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1878906357, now seen corresponding path program 1 times [2025-04-30 10:28:46,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:46,397 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915868114] [2025-04-30 10:28:46,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:46,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:46,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-04-30 10:28:46,413 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-04-30 10:28:46,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:46,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:46,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:46,444 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915868114] [2025-04-30 10:28:46,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915868114] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:46,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:46,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:46,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286917413] [2025-04-30 10:28:46,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:46,445 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:46,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:46,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:46,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:46,469 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2025-04-30 10:28:46,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 190 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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) [2025-04-30 10:28:46,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:46,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2025-04-30 10:28:46,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:46,666 INFO L116 PetriNetUnfolderBase]: 311/1966 cut-off events. [2025-04-30 10:28:46,667 INFO L117 PetriNetUnfolderBase]: For 215/219 co-relation queries the response was YES. [2025-04-30 10:28:46,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3046 conditions, 1966 events. 311/1966 cut-off events. For 215/219 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 14432 event pairs, 131 based on Foata normal form. 0/1837 useless extension candidates. Maximal degree in co-relation 2999. Up to 409 conditions per place. [2025-04-30 10:28:46,673 INFO L140 encePairwiseOnDemand]: 194/203 looper letters, 57 selfloop transitions, 6 changer transitions 3/217 dead transitions. [2025-04-30 10:28:46,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 217 transitions, 684 flow [2025-04-30 10:28:46,674 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:46,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2025-04-30 10:28:46,675 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8653530377668309 [2025-04-30 10:28:46,675 INFO L175 Difference]: Start difference. First operand has 191 places, 190 transitions, 479 flow. Second operand 3 states and 527 transitions. [2025-04-30 10:28:46,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 217 transitions, 684 flow [2025-04-30 10:28:46,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 217 transitions, 674 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:46,679 INFO L231 Difference]: Finished difference. Result has 191 places, 192 transitions, 507 flow [2025-04-30 10:28:46,680 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=465, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=507, PETRI_PLACES=191, PETRI_TRANSITIONS=192} [2025-04-30 10:28:46,680 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -2 predicate places. [2025-04-30 10:28:46,680 INFO L485 AbstractCegarLoop]: Abstraction has has 191 places, 192 transitions, 507 flow [2025-04-30 10:28:46,681 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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) [2025-04-30 10:28:46,681 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:46,681 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:46,681 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-30 10:28:46,681 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:46,682 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:46,682 INFO L85 PathProgramCache]: Analyzing trace with hash -268824090, now seen corresponding path program 1 times [2025-04-30 10:28:46,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:46,682 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554216658] [2025-04-30 10:28:46,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:46,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:46,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-04-30 10:28:46,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-04-30 10:28:46,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:46,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:46,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:46,730 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554216658] [2025-04-30 10:28:46,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554216658] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:46,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:46,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:46,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982966112] [2025-04-30 10:28:46,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:46,732 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:46,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:46,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:46,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:46,751 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2025-04-30 10:28:46,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 192 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2025-04-30 10:28:46,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:46,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2025-04-30 10:28:46,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:46,967 INFO L116 PetriNetUnfolderBase]: 342/2016 cut-off events. [2025-04-30 10:28:46,967 INFO L117 PetriNetUnfolderBase]: For 442/446 co-relation queries the response was YES. [2025-04-30 10:28:46,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3362 conditions, 2016 events. 342/2016 cut-off events. For 442/446 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15060 event pairs, 231 based on Foata normal form. 0/1880 useless extension candidates. Maximal degree in co-relation 3314. Up to 667 conditions per place. [2025-04-30 10:28:46,973 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 51 selfloop transitions, 4 changer transitions 0/207 dead transitions. [2025-04-30 10:28:46,973 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 207 transitions, 659 flow [2025-04-30 10:28:46,973 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:46,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-04-30 10:28:46,975 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2025-04-30 10:28:46,975 INFO L175 Difference]: Start difference. First operand has 191 places, 192 transitions, 507 flow. Second operand 3 states and 518 transitions. [2025-04-30 10:28:46,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 207 transitions, 659 flow [2025-04-30 10:28:46,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 207 transitions, 645 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:46,978 INFO L231 Difference]: Finished difference. Result has 193 places, 195 transitions, 527 flow [2025-04-30 10:28:46,979 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=193, PETRI_TRANSITIONS=195} [2025-04-30 10:28:46,979 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, 0 predicate places. [2025-04-30 10:28:46,979 INFO L485 AbstractCegarLoop]: Abstraction has has 193 places, 195 transitions, 527 flow [2025-04-30 10:28:46,980 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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) [2025-04-30 10:28:46,980 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:46,980 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:46,980 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-30 10:28:46,980 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:46,980 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:46,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2025854313, now seen corresponding path program 1 times [2025-04-30 10:28:46,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:46,981 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998459344] [2025-04-30 10:28:46,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:46,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-30 10:28:46,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-30 10:28:46,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:46,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:47,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:47,012 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998459344] [2025-04-30 10:28:47,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998459344] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:47,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:47,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-30 10:28:47,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888031796] [2025-04-30 10:28:47,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:47,013 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-30 10:28:47,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:47,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-30 10:28:47,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-30 10:28:47,029 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 203 [2025-04-30 10:28:47,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 195 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2025-04-30 10:28:47,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:47,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 203 [2025-04-30 10:28:47,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:47,205 INFO L116 PetriNetUnfolderBase]: 350/2164 cut-off events. [2025-04-30 10:28:47,205 INFO L117 PetriNetUnfolderBase]: For 456/460 co-relation queries the response was YES. [2025-04-30 10:28:47,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3584 conditions, 2164 events. 350/2164 cut-off events. For 456/460 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 16540 event pairs, 232 based on Foata normal form. 0/2035 useless extension candidates. Maximal degree in co-relation 3535. Up to 691 conditions per place. [2025-04-30 10:28:47,211 INFO L140 encePairwiseOnDemand]: 198/203 looper letters, 45 selfloop transitions, 3 changer transitions 12/210 dead transitions. [2025-04-30 10:28:47,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 210 transitions, 681 flow [2025-04-30 10:28:47,212 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-30 10:28:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-30 10:28:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2025-04-30 10:28:47,213 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8505747126436781 [2025-04-30 10:28:47,213 INFO L175 Difference]: Start difference. First operand has 193 places, 195 transitions, 527 flow. Second operand 3 states and 518 transitions. [2025-04-30 10:28:47,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 210 transitions, 681 flow [2025-04-30 10:28:47,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 210 transitions, 673 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-30 10:28:47,216 INFO L231 Difference]: Finished difference. Result has 195 places, 191 transitions, 523 flow [2025-04-30 10:28:47,217 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=519, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=523, PETRI_PLACES=195, PETRI_TRANSITIONS=191} [2025-04-30 10:28:47,217 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, 2 predicate places. [2025-04-30 10:28:47,217 INFO L485 AbstractCegarLoop]: Abstraction has has 195 places, 191 transitions, 523 flow [2025-04-30 10:28:47,218 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2025-04-30 10:28:47,218 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-30 10:28:47,218 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:47,218 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-30 10:28:47,218 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-30 10:28:47,218 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-30 10:28:47,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1779741485, now seen corresponding path program 1 times [2025-04-30 10:28:47,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-30 10:28:47,219 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689268677] [2025-04-30 10:28:47,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-30 10:28:47,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-30 10:28:47,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-04-30 10:28:47,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-04-30 10:28:47,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-30 10:28:47,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-30 10:28:47,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-30 10:28:47,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-30 10:28:47,378 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689268677] [2025-04-30 10:28:47,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689268677] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-30 10:28:47,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-30 10:28:47,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-30 10:28:47,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374510339] [2025-04-30 10:28:47,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-30 10:28:47,378 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-30 10:28:47,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-30 10:28:47,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-30 10:28:47,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-30 10:28:47,423 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 203 [2025-04-30 10:28:47,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 191 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2025-04-30 10:28:47,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-30 10:28:47,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 203 [2025-04-30 10:28:47,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-30 10:28:47,581 INFO L116 PetriNetUnfolderBase]: 85/1268 cut-off events. [2025-04-30 10:28:47,581 INFO L117 PetriNetUnfolderBase]: For 217/218 co-relation queries the response was YES. [2025-04-30 10:28:47,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 1268 events. 85/1268 cut-off events. For 217/218 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7798 event pairs, 40 based on Foata normal form. 26/1256 useless extension candidates. Maximal degree in co-relation 1922. Up to 177 conditions per place. [2025-04-30 10:28:47,583 INFO L140 encePairwiseOnDemand]: 183/203 looper letters, 0 selfloop transitions, 0 changer transitions 192/192 dead transitions. [2025-04-30 10:28:47,583 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 192 transitions, 595 flow [2025-04-30 10:28:47,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-30 10:28:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-30 10:28:47,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 864 transitions. [2025-04-30 10:28:47,585 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8512315270935961 [2025-04-30 10:28:47,585 INFO L175 Difference]: Start difference. First operand has 195 places, 191 transitions, 523 flow. Second operand 5 states and 864 transitions. [2025-04-30 10:28:47,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 192 transitions, 595 flow [2025-04-30 10:28:47,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 192 transitions, 553 flow, removed 11 selfloop flow, removed 10 redundant places. [2025-04-30 10:28:47,588 INFO L231 Difference]: Finished difference. Result has 183 places, 0 transitions, 0 flow [2025-04-30 10:28:47,588 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=183, PETRI_TRANSITIONS=0} [2025-04-30 10:28:47,588 INFO L279 CegarLoopForPetriNet]: 193 programPoint places, -10 predicate places. [2025-04-30 10:28:47,588 INFO L485 AbstractCegarLoop]: Abstraction has has 183 places, 0 transitions, 0 flow [2025-04-30 10:28:47,589 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 165.5) internal successors, (993), 6 states have internal predecessors, (993), 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) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2025-04-30 10:28:47,591 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2025-04-30 10:28:47,592 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2025-04-30 10:28:47,592 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-30 10:28:47,593 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-30 10:28:47,599 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-30 10:28:47,599 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-30 10:28:47,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.04 10:28:47 BasicIcfg [2025-04-30 10:28:47,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-30 10:28:47,603 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-30 10:28:47,603 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-30 10:28:47,603 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-30 10:28:47,604 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.04 10:28:44" (3/4) ... [2025-04-30 10:28:47,605 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-30 10:28:47,607 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-30 10:28:47,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-04-30 10:28:47,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-30 10:28:47,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-30 10:28:47,609 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-04-30 10:28:47,659 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-30 10:28:47,659 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-30 10:28:47,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-30 10:28:47,660 INFO L158 Benchmark]: Toolchain (without parser) took 4501.68ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 111.6MB in the beginning and 343.1MB in the end (delta: -231.6MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2025-04-30 10:28:47,660 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:47,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.15ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 88.1MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-30 10:28:47,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.11ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:47,661 INFO L158 Benchmark]: Boogie Preprocessor took 37.75ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:47,661 INFO L158 Benchmark]: RCFGBuilder took 444.61ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 60.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-30 10:28:47,661 INFO L158 Benchmark]: TraceAbstraction took 3569.62ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 59.7MB in the beginning and 347.4MB in the end (delta: -287.7MB). Peak memory consumption was 191.5MB. Max. memory is 16.1GB. [2025-04-30 10:28:47,661 INFO L158 Benchmark]: Witness Printer took 56.11ms. Allocated memory is still 411.0MB. Free memory was 347.4MB in the beginning and 343.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-30 10:28:47,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.15ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 88.1MB in the end (delta: 23.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.11ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 85.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.75ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 84.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 444.61ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 60.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3569.62ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 59.7MB in the beginning and 347.4MB in the end (delta: -287.7MB). Peak memory consumption was 191.5MB. Max. memory is 16.1GB. * Witness Printer took 56.11ms. Allocated memory is still 411.0MB. Free memory was 347.4MB in the beginning and 343.1MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 269 locations, 276 edges, 21 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 514 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 60 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 789 IncrementalHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 54 mSDtfsCounter, 789 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 0.7s InterpolantComputationTime, 541 NumberOfCodeBlocks, 541 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 533 ConstructedInterpolants, 0 QuantifiedInterpolants, 879 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-30 10:28:47,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE