./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed 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 ../sv-benchmarks/c/ldv-races/race-2_2-container_of.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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 21:52:18,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 21:52:18,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 21:52:18,245 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 21:52:18,246 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 21:52:18,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 21:52:18,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 21:52:18,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 21:52:18,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 21:52:18,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 21:52:18,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 21:52:18,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 21:52:18,268 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 21:52:18,269 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:52:18,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 21:52:18,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 21:52:18,269 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 -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2025-03-08 21:52:18,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 21:52:18,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 21:52:18,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 21:52:18,498 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 21:52:18,498 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 21:52:18,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2025-03-08 21:52:19,599 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe14d6f2c/3d7d3e7b733648a192d1bece54d83ce3/FLAGfb917b60e [2025-03-08 21:52:19,923 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 21:52:19,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2025-03-08 21:52:19,953 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe14d6f2c/3d7d3e7b733648a192d1bece54d83ce3/FLAGfb917b60e [2025-03-08 21:52:20,165 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe14d6f2c/3d7d3e7b733648a192d1bece54d83ce3 [2025-03-08 21:52:20,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 21:52:20,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 21:52:20,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 21:52:20,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 21:52:20,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 21:52:20,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333f95e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20, skipping insertion in model container [2025-03-08 21:52:20,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,219 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 21:52:20,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:52:20,544 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 21:52:20,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 21:52:20,638 INFO L204 MainTranslator]: Completed translation [2025-03-08 21:52:20,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20 WrapperNode [2025-03-08 21:52:20,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 21:52:20,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 21:52:20,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 21:52:20,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 21:52:20,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,675 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 180 [2025-03-08 21:52:20,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 21:52:20,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 21:52:20,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 21:52:20,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 21:52:20,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,714 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 21:52:20,735 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 21:52:20,735 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 21:52:20,735 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 21:52:20,736 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (1/1) ... [2025-03-08 21:52:20,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 21:52:20,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 21:52:20,771 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) [2025-03-08 21:52:20,775 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 [2025-03-08 21:52:20,794 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2025-03-08 21:52:20,794 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2025-03-08 21:52:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 21:52:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 21:52:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 21:52:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 21:52:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 21:52:20,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 21:52:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 21:52:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 21:52:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 21:52:20,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 21:52:20,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 21:52:20,798 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 21:52:21,012 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 21:52:21,013 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 21:52:21,290 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 21:52:21,290 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 21:52:21,356 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 21:52:21,356 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 21:52:21,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:52:21 BoogieIcfgContainer [2025-03-08 21:52:21,357 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 21:52:21,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 21:52:21,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 21:52:21,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 21:52:21,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:52:20" (1/3) ... [2025-03-08 21:52:21,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ca85fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:52:21, skipping insertion in model container [2025-03-08 21:52:21,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:52:20" (2/3) ... [2025-03-08 21:52:21,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ca85fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:52:21, skipping insertion in model container [2025-03-08 21:52:21,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:52:21" (3/3) ... [2025-03-08 21:52:21,365 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2025-03-08 21:52:21,376 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 21:52:21,377 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_2-container_of.i that has 2 procedures, 224 locations, 1 initial locations, 0 loop locations, and 15 error locations. [2025-03-08 21:52:21,377 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 21:52:21,446 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 21:52:21,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 251 transitions, 516 flow [2025-03-08 21:52:21,571 INFO L124 PetriNetUnfolderBase]: 14/335 cut-off events. [2025-03-08 21:52:21,576 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 21:52:21,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 335 events. 14/335 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 662 event pairs, 0 based on Foata normal form. 0/296 useless extension candidates. Maximal degree in co-relation 173. Up to 4 conditions per place. [2025-03-08 21:52:21,581 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 251 transitions, 516 flow [2025-03-08 21:52:21,589 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 245 places, 248 transitions, 508 flow [2025-03-08 21:52:21,602 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 21:52:21,614 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=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;@46cb4b60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 21:52:21,614 INFO L334 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2025-03-08 21:52:21,622 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 21:52:21,623 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2025-03-08 21:52:21,623 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 21:52:21,624 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:21,624 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] [2025-03-08 21:52:21,625 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:21,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:21,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1782792396, now seen corresponding path program 1 times [2025-03-08 21:52:21,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:21,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815952803] [2025-03-08 21:52:21,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:21,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:21,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-08 21:52:21,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-08 21:52:21,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:21,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:22,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:22,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815952803] [2025-03-08 21:52:22,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815952803] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:22,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:22,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:52:22,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457958138] [2025-03-08 21:52:22,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:22,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:52:22,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:22,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:52:22,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:52:22,698 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2025-03-08 21:52:22,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 248 transitions, 508 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2025-03-08 21:52:22,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:22,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2025-03-08 21:52:22,707 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:23,039 INFO L124 PetriNetUnfolderBase]: 424/1641 cut-off events. [2025-03-08 21:52:23,040 INFO L125 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2025-03-08 21:52:23,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2414 conditions, 1641 events. 424/1641 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10957 event pairs, 423 based on Foata normal form. 72/1602 useless extension candidates. Maximal degree in co-relation 2167. Up to 750 conditions per place. [2025-03-08 21:52:23,054 INFO L140 encePairwiseOnDemand]: 231/251 looper letters, 39 selfloop transitions, 5 changer transitions 6/221 dead transitions. [2025-03-08 21:52:23,054 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 221 transitions, 542 flow [2025-03-08 21:52:23,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:52:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:52:23,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1187 transitions. [2025-03-08 21:52:23,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7881806108897742 [2025-03-08 21:52:23,074 INFO L175 Difference]: Start difference. First operand has 245 places, 248 transitions, 508 flow. Second operand 6 states and 1187 transitions. [2025-03-08 21:52:23,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 221 transitions, 542 flow [2025-03-08 21:52:23,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 221 transitions, 534 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-08 21:52:23,082 INFO L231 Difference]: Finished difference. Result has 227 places, 215 transitions, 444 flow [2025-03-08 21:52:23,083 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=446, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=221, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=444, PETRI_PLACES=227, PETRI_TRANSITIONS=215} [2025-03-08 21:52:23,086 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -18 predicate places. [2025-03-08 21:52:23,086 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 215 transitions, 444 flow [2025-03-08 21:52:23,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2025-03-08 21:52:23,087 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:23,087 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] [2025-03-08 21:52:23,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 21:52:23,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:23,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:23,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1273684792, now seen corresponding path program 1 times [2025-03-08 21:52:23,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:23,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168208071] [2025-03-08 21:52:23,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:23,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:23,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 21:52:23,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 21:52:23,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:23,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:23,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:23,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168208071] [2025-03-08 21:52:23,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168208071] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:23,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:23,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:52:23,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12830841] [2025-03-08 21:52:23,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:23,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:52:23,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:23,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:52:23,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:52:23,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 251 [2025-03-08 21:52:23,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 215 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2025-03-08 21:52:23,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:23,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 251 [2025-03-08 21:52:23,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:23,925 INFO L124 PetriNetUnfolderBase]: 424/1634 cut-off events. [2025-03-08 21:52:23,926 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2025-03-08 21:52:23,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2401 conditions, 1634 events. 424/1634 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 10836 event pairs, 423 based on Foata normal form. 0/1526 useless extension candidates. Maximal degree in co-relation 2358. Up to 750 conditions per place. [2025-03-08 21:52:23,937 INFO L140 encePairwiseOnDemand]: 245/251 looper letters, 39 selfloop transitions, 5 changer transitions 0/214 dead transitions. [2025-03-08 21:52:23,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 225 places, 214 transitions, 530 flow [2025-03-08 21:52:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:52:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:52:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1173 transitions. [2025-03-08 21:52:23,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7788844621513944 [2025-03-08 21:52:23,940 INFO L175 Difference]: Start difference. First operand has 227 places, 215 transitions, 444 flow. Second operand 6 states and 1173 transitions. [2025-03-08 21:52:23,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 225 places, 214 transitions, 530 flow [2025-03-08 21:52:23,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 214 transitions, 520 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 21:52:23,946 INFO L231 Difference]: Finished difference. Result has 220 places, 214 transitions, 442 flow [2025-03-08 21:52:23,949 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=442, PETRI_PLACES=220, PETRI_TRANSITIONS=214} [2025-03-08 21:52:23,949 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -25 predicate places. [2025-03-08 21:52:23,949 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 214 transitions, 442 flow [2025-03-08 21:52:23,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 189.33333333333334) internal successors, (1136), 6 states have internal predecessors, (1136), 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) [2025-03-08 21:52:23,950 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:23,950 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] [2025-03-08 21:52:23,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 21:52:23,951 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:23,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1750175686, now seen corresponding path program 1 times [2025-03-08 21:52:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:23,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299540763] [2025-03-08 21:52:23,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:23,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:23,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-08 21:52:23,984 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-08 21:52:23,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:23,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:24,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:24,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299540763] [2025-03-08 21:52:24,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299540763] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:24,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:24,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:24,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380137897] [2025-03-08 21:52:24,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:24,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:24,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:24,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:24,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:24,040 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2025-03-08 21:52:24,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 214 transitions, 442 flow. Second operand has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2025-03-08 21:52:24,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:24,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2025-03-08 21:52:24,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:24,112 INFO L124 PetriNetUnfolderBase]: 67/519 cut-off events. [2025-03-08 21:52:24,113 INFO L125 PetriNetUnfolderBase]: For 5/7 co-relation queries the response was YES. [2025-03-08 21:52:24,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 519 events. 67/519 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2178 event pairs, 63 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 615. Up to 128 conditions per place. [2025-03-08 21:52:24,115 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 18 selfloop transitions, 2 changer transitions 0/216 dead transitions. [2025-03-08 21:52:24,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 216 transitions, 486 flow [2025-03-08 21:52:24,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:24,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2025-03-08 21:52:24,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8844621513944223 [2025-03-08 21:52:24,117 INFO L175 Difference]: Start difference. First operand has 220 places, 214 transitions, 442 flow. Second operand 3 states and 666 transitions. [2025-03-08 21:52:24,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 216 transitions, 486 flow [2025-03-08 21:52:24,119 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 216 transitions, 476 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-08 21:52:24,122 INFO L231 Difference]: Finished difference. Result has 216 places, 213 transitions, 434 flow [2025-03-08 21:52:24,122 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=430, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=434, PETRI_PLACES=216, PETRI_TRANSITIONS=213} [2025-03-08 21:52:24,123 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -29 predicate places. [2025-03-08 21:52:24,123 INFO L471 AbstractCegarLoop]: Abstraction has has 216 places, 213 transitions, 434 flow [2025-03-08 21:52:24,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.33333333333334) internal successors, (649), 3 states have internal predecessors, (649), 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) [2025-03-08 21:52:24,123 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:24,123 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] [2025-03-08 21:52:24,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 21:52:24,124 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:24,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:24,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1215380195, now seen corresponding path program 1 times [2025-03-08 21:52:24,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:24,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661088865] [2025-03-08 21:52:24,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:24,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:24,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-08 21:52:24,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-08 21:52:24,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:24,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 21:52:24,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:24,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661088865] [2025-03-08 21:52:24,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661088865] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:24,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:24,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:24,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932939900] [2025-03-08 21:52:24,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:24,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:24,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:24,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:24,187 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:24,197 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2025-03-08 21:52:24,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 213 transitions, 434 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 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) [2025-03-08 21:52:24,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:24,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2025-03-08 21:52:24,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:24,285 INFO L124 PetriNetUnfolderBase]: 63/481 cut-off events. [2025-03-08 21:52:24,285 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 21:52:24,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 614 conditions, 481 events. 63/481 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1581 event pairs, 12 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 472. Up to 90 conditions per place. [2025-03-08 21:52:24,287 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 18 selfloop transitions, 1 changer transitions 0/218 dead transitions. [2025-03-08 21:52:24,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 218 transitions, 482 flow [2025-03-08 21:52:24,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:24,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:24,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 677 transitions. [2025-03-08 21:52:24,288 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.899070385126162 [2025-03-08 21:52:24,288 INFO L175 Difference]: Start difference. First operand has 216 places, 213 transitions, 434 flow. Second operand 3 states and 677 transitions. [2025-03-08 21:52:24,289 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 218 transitions, 482 flow [2025-03-08 21:52:24,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 218 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:24,291 INFO L231 Difference]: Finished difference. Result has 215 places, 212 transitions, 430 flow [2025-03-08 21:52:24,292 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=428, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=430, PETRI_PLACES=215, PETRI_TRANSITIONS=212} [2025-03-08 21:52:24,293 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2025-03-08 21:52:24,293 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 212 transitions, 430 flow [2025-03-08 21:52:24,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 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) [2025-03-08 21:52:24,294 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:24,294 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] [2025-03-08 21:52:24,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 21:52:24,294 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:24,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:24,295 INFO L85 PathProgramCache]: Analyzing trace with hash 409142216, now seen corresponding path program 1 times [2025-03-08 21:52:24,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:24,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49499013] [2025-03-08 21:52:24,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:24,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:24,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-08 21:52:24,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-08 21:52:24,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:24,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 21:52:24,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:24,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49499013] [2025-03-08 21:52:24,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49499013] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:24,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:24,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:24,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664112751] [2025-03-08 21:52:24,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:24,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:24,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:24,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:24,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:24,355 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 251 [2025-03-08 21:52:24,356 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 212 transitions, 430 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2025-03-08 21:52:24,356 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:24,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 251 [2025-03-08 21:52:24,356 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:24,444 INFO L124 PetriNetUnfolderBase]: 75/768 cut-off events. [2025-03-08 21:52:24,444 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2025-03-08 21:52:24,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 768 events. 75/768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3410 event pairs, 45 based on Foata normal form. 0/709 useless extension candidates. Maximal degree in co-relation 776. Up to 109 conditions per place. [2025-03-08 21:52:24,448 INFO L140 encePairwiseOnDemand]: 248/251 looper letters, 21 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2025-03-08 21:52:24,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 217 transitions, 486 flow [2025-03-08 21:52:24,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 669 transitions. [2025-03-08 21:52:24,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8884462151394422 [2025-03-08 21:52:24,450 INFO L175 Difference]: Start difference. First operand has 215 places, 212 transitions, 430 flow. Second operand 3 states and 669 transitions. [2025-03-08 21:52:24,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 217 transitions, 486 flow [2025-03-08 21:52:24,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 217 transitions, 485 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 21:52:24,453 INFO L231 Difference]: Finished difference. Result has 215 places, 211 transitions, 431 flow [2025-03-08 21:52:24,453 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=215, PETRI_TRANSITIONS=211} [2025-03-08 21:52:24,454 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -30 predicate places. [2025-03-08 21:52:24,454 INFO L471 AbstractCegarLoop]: Abstraction has has 215 places, 211 transitions, 431 flow [2025-03-08 21:52:24,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2025-03-08 21:52:24,454 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:24,454 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] [2025-03-08 21:52:24,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 21:52:24,454 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:24,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:24,455 INFO L85 PathProgramCache]: Analyzing trace with hash 151419496, now seen corresponding path program 1 times [2025-03-08 21:52:24,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:24,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279613064] [2025-03-08 21:52:24,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:24,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:24,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-08 21:52:24,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-08 21:52:24,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:24,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 21:52:24,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:24,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279613064] [2025-03-08 21:52:24,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279613064] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:24,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:24,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:52:24,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710319480] [2025-03-08 21:52:24,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:24,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:52:24,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:24,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:52:24,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:52:25,066 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2025-03-08 21:52:25,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 211 transitions, 431 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2025-03-08 21:52:25,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:25,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2025-03-08 21:52:25,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:25,382 INFO L124 PetriNetUnfolderBase]: 507/1768 cut-off events. [2025-03-08 21:52:25,383 INFO L125 PetriNetUnfolderBase]: For 5/13 co-relation queries the response was YES. [2025-03-08 21:52:25,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2687 conditions, 1768 events. 507/1768 cut-off events. For 5/13 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10858 event pairs, 309 based on Foata normal form. 0/1680 useless extension candidates. Maximal degree in co-relation 2494. Up to 803 conditions per place. [2025-03-08 21:52:25,396 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 37 selfloop transitions, 30 changer transitions 7/240 dead transitions. [2025-03-08 21:52:25,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 240 transitions, 629 flow [2025-03-08 21:52:25,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:52:25,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:52:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2025-03-08 21:52:25,399 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2025-03-08 21:52:25,399 INFO L175 Difference]: Start difference. First operand has 215 places, 211 transitions, 431 flow. Second operand 6 states and 1223 transitions. [2025-03-08 21:52:25,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 240 transitions, 629 flow [2025-03-08 21:52:25,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 240 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 21:52:25,407 INFO L231 Difference]: Finished difference. Result has 223 places, 233 transitions, 615 flow [2025-03-08 21:52:25,408 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=615, PETRI_PLACES=223, PETRI_TRANSITIONS=233} [2025-03-08 21:52:25,409 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -22 predicate places. [2025-03-08 21:52:25,409 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 233 transitions, 615 flow [2025-03-08 21:52:25,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2025-03-08 21:52:25,410 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:25,411 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] [2025-03-08 21:52:25,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 21:52:25,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:25,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:25,411 INFO L85 PathProgramCache]: Analyzing trace with hash -597905402, now seen corresponding path program 1 times [2025-03-08 21:52:25,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:25,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427379189] [2025-03-08 21:52:25,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:25,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:25,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 21:52:25,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 21:52:25,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:25,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 21:52:25,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:25,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427379189] [2025-03-08 21:52:25,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427379189] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:25,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:25,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:52:25,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208050229] [2025-03-08 21:52:25,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:25,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:52:25,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:25,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:52:25,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:52:26,147 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 251 [2025-03-08 21:52:26,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 233 transitions, 615 flow. Second operand has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2025-03-08 21:52:26,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:26,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 251 [2025-03-08 21:52:26,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:26,492 INFO L124 PetriNetUnfolderBase]: 665/1836 cut-off events. [2025-03-08 21:52:26,493 INFO L125 PetriNetUnfolderBase]: For 602/616 co-relation queries the response was YES. [2025-03-08 21:52:26,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3982 conditions, 1836 events. 665/1836 cut-off events. For 602/616 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 11025 event pairs, 306 based on Foata normal form. 0/1765 useless extension candidates. Maximal degree in co-relation 2437. Up to 931 conditions per place. [2025-03-08 21:52:26,504 INFO L140 encePairwiseOnDemand]: 238/251 looper letters, 60 selfloop transitions, 30 changer transitions 11/262 dead transitions. [2025-03-08 21:52:26,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 262 transitions, 903 flow [2025-03-08 21:52:26,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:52:26,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:52:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1220 transitions. [2025-03-08 21:52:26,507 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8100929614873837 [2025-03-08 21:52:26,507 INFO L175 Difference]: Start difference. First operand has 223 places, 233 transitions, 615 flow. Second operand 6 states and 1220 transitions. [2025-03-08 21:52:26,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 262 transitions, 903 flow [2025-03-08 21:52:26,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 262 transitions, 903 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:52:26,516 INFO L231 Difference]: Finished difference. Result has 226 places, 251 transitions, 843 flow [2025-03-08 21:52:26,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=615, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=843, PETRI_PLACES=226, PETRI_TRANSITIONS=251} [2025-03-08 21:52:26,518 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -19 predicate places. [2025-03-08 21:52:26,518 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 251 transitions, 843 flow [2025-03-08 21:52:26,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.66666666666666) internal successors, (1168), 6 states have internal predecessors, (1168), 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) [2025-03-08 21:52:26,519 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:26,519 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] [2025-03-08 21:52:26,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 21:52:26,519 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:26,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:26,520 INFO L85 PathProgramCache]: Analyzing trace with hash 549373669, now seen corresponding path program 1 times [2025-03-08 21:52:26,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:26,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483195733] [2025-03-08 21:52:26,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:26,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:26,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-08 21:52:26,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-08 21:52:26,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:26,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 21:52:26,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:26,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483195733] [2025-03-08 21:52:26,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483195733] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:26,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:26,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:52:26,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170203930] [2025-03-08 21:52:26,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:26,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:52:26,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:26,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:52:26,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:52:27,104 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2025-03-08 21:52:27,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 251 transitions, 843 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2025-03-08 21:52:27,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:27,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2025-03-08 21:52:27,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:27,563 INFO L124 PetriNetUnfolderBase]: 742/2023 cut-off events. [2025-03-08 21:52:27,563 INFO L125 PetriNetUnfolderBase]: For 1323/1382 co-relation queries the response was YES. [2025-03-08 21:52:27,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5451 conditions, 2023 events. 742/2023 cut-off events. For 1323/1382 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 12552 event pairs, 212 based on Foata normal form. 0/1976 useless extension candidates. Maximal degree in co-relation 3658. Up to 981 conditions per place. [2025-03-08 21:52:27,581 INFO L140 encePairwiseOnDemand]: 235/251 looper letters, 91 selfloop transitions, 26 changer transitions 0/279 dead transitions. [2025-03-08 21:52:27,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 279 transitions, 1233 flow [2025-03-08 21:52:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:52:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:52:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1225 transitions. [2025-03-08 21:52:27,585 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8134130146082338 [2025-03-08 21:52:27,585 INFO L175 Difference]: Start difference. First operand has 226 places, 251 transitions, 843 flow. Second operand 6 states and 1225 transitions. [2025-03-08 21:52:27,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 279 transitions, 1233 flow [2025-03-08 21:52:27,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 279 transitions, 1185 flow, removed 24 selfloop flow, removed 0 redundant places. [2025-03-08 21:52:27,598 INFO L231 Difference]: Finished difference. Result has 224 places, 271 transitions, 1027 flow [2025-03-08 21:52:27,599 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=793, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1027, PETRI_PLACES=224, PETRI_TRANSITIONS=271} [2025-03-08 21:52:27,600 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -21 predicate places. [2025-03-08 21:52:27,600 INFO L471 AbstractCegarLoop]: Abstraction has has 224 places, 271 transitions, 1027 flow [2025-03-08 21:52:27,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2025-03-08 21:52:27,601 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:27,602 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] [2025-03-08 21:52:27,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 21:52:27,602 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:27,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash -204866003, now seen corresponding path program 1 times [2025-03-08 21:52:27,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:27,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81351157] [2025-03-08 21:52:27,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:27,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:27,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-03-08 21:52:27,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-03-08 21:52:27,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:27,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:28,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 21:52:28,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:28,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81351157] [2025-03-08 21:52:28,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81351157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:28,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:28,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:52:28,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259882838] [2025-03-08 21:52:28,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:28,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 21:52:28,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:28,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 21:52:28,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-08 21:52:28,241 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 251 [2025-03-08 21:52:28,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 271 transitions, 1027 flow. Second operand has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2025-03-08 21:52:28,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:28,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 251 [2025-03-08 21:52:28,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:28,700 INFO L124 PetriNetUnfolderBase]: 920/2277 cut-off events. [2025-03-08 21:52:28,701 INFO L125 PetriNetUnfolderBase]: For 2916/3070 co-relation queries the response was YES. [2025-03-08 21:52:28,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7170 conditions, 2277 events. 920/2277 cut-off events. For 2916/3070 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 14102 event pairs, 248 based on Foata normal form. 33/2259 useless extension candidates. Maximal degree in co-relation 5400. Up to 1189 conditions per place. [2025-03-08 21:52:28,719 INFO L140 encePairwiseOnDemand]: 236/251 looper letters, 104 selfloop transitions, 36 changer transitions 37/314 dead transitions. [2025-03-08 21:52:28,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 314 transitions, 1667 flow [2025-03-08 21:52:28,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:52:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:52:28,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2025-03-08 21:52:28,722 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8120849933598937 [2025-03-08 21:52:28,722 INFO L175 Difference]: Start difference. First operand has 224 places, 271 transitions, 1027 flow. Second operand 6 states and 1223 transitions. [2025-03-08 21:52:28,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 314 transitions, 1667 flow [2025-03-08 21:52:28,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 314 transitions, 1667 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-08 21:52:28,732 INFO L231 Difference]: Finished difference. Result has 232 places, 269 transitions, 1359 flow [2025-03-08 21:52:28,733 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=1025, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1359, PETRI_PLACES=232, PETRI_TRANSITIONS=269} [2025-03-08 21:52:28,733 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -13 predicate places. [2025-03-08 21:52:28,733 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 269 transitions, 1359 flow [2025-03-08 21:52:28,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 196.33333333333334) internal successors, (1178), 6 states have internal predecessors, (1178), 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) [2025-03-08 21:52:28,734 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:28,734 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] [2025-03-08 21:52:28,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 21:52:28,735 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:28,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:28,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1590943402, now seen corresponding path program 1 times [2025-03-08 21:52:28,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:28,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231765919] [2025-03-08 21:52:28,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:28,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:28,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-08 21:52:28,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-08 21:52:28,760 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:28,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 21:52:28,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:28,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231765919] [2025-03-08 21:52:28,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231765919] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:28,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:28,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 21:52:28,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573143779] [2025-03-08 21:52:28,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:28,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 21:52:28,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:28,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 21:52:28,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 21:52:28,861 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 251 [2025-03-08 21:52:28,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 269 transitions, 1359 flow. Second operand has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 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) [2025-03-08 21:52:28,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:28,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 251 [2025-03-08 21:52:28,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:28,998 INFO L124 PetriNetUnfolderBase]: 135/497 cut-off events. [2025-03-08 21:52:28,998 INFO L125 PetriNetUnfolderBase]: For 993/993 co-relation queries the response was YES. [2025-03-08 21:52:29,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1282 conditions, 497 events. 135/497 cut-off events. For 993/993 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2407 event pairs, 12 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 1260. Up to 151 conditions per place. [2025-03-08 21:52:29,002 INFO L140 encePairwiseOnDemand]: 246/251 looper letters, 37 selfloop transitions, 4 changer transitions 0/136 dead transitions. [2025-03-08 21:52:29,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 136 transitions, 558 flow [2025-03-08 21:52:29,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 21:52:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-08 21:52:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1308 transitions. [2025-03-08 21:52:29,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8685258964143426 [2025-03-08 21:52:29,005 INFO L175 Difference]: Start difference. First operand has 232 places, 269 transitions, 1359 flow. Second operand 6 states and 1308 transitions. [2025-03-08 21:52:29,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 136 transitions, 558 flow [2025-03-08 21:52:29,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 136 transitions, 418 flow, removed 70 selfloop flow, removed 3 redundant places. [2025-03-08 21:52:29,008 INFO L231 Difference]: Finished difference. Result has 138 places, 112 transitions, 248 flow [2025-03-08 21:52:29,008 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=248, PETRI_PLACES=138, PETRI_TRANSITIONS=112} [2025-03-08 21:52:29,008 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -107 predicate places. [2025-03-08 21:52:29,008 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 112 transitions, 248 flow [2025-03-08 21:52:29,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 213.2) internal successors, (1066), 5 states have internal predecessors, (1066), 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) [2025-03-08 21:52:29,009 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 21:52:29,009 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, 1, 1, 1] [2025-03-08 21:52:29,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-08 21:52:29,009 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-08 21:52:29,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 21:52:29,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1792703191, now seen corresponding path program 1 times [2025-03-08 21:52:29,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 21:52:29,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155414849] [2025-03-08 21:52:29,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 21:52:29,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 21:52:29,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-08 21:52:29,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-08 21:52:29,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 21:52:29,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 21:52:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-03-08 21:52:29,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 21:52:29,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155414849] [2025-03-08 21:52:29,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155414849] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 21:52:29,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 21:52:29,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 21:52:29,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044042263] [2025-03-08 21:52:29,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 21:52:29,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 21:52:29,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 21:52:29,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 21:52:29,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 21:52:29,079 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 251 [2025-03-08 21:52:29,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 112 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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) [2025-03-08 21:52:29,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 21:52:29,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 251 [2025-03-08 21:52:29,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 21:52:29,119 INFO L124 PetriNetUnfolderBase]: 24/201 cut-off events. [2025-03-08 21:52:29,120 INFO L125 PetriNetUnfolderBase]: For 21/47 co-relation queries the response was YES. [2025-03-08 21:52:29,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 335 conditions, 201 events. 24/201 cut-off events. For 21/47 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 466 event pairs, 18 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 315. Up to 47 conditions per place. [2025-03-08 21:52:29,121 INFO L140 encePairwiseOnDemand]: 249/251 looper letters, 0 selfloop transitions, 0 changer transitions 114/114 dead transitions. [2025-03-08 21:52:29,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 114 transitions, 288 flow [2025-03-08 21:52:29,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 21:52:29,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 21:52:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 673 transitions. [2025-03-08 21:52:29,123 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8937583001328021 [2025-03-08 21:52:29,123 INFO L175 Difference]: Start difference. First operand has 138 places, 112 transitions, 248 flow. Second operand 3 states and 673 transitions. [2025-03-08 21:52:29,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 114 transitions, 288 flow [2025-03-08 21:52:29,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 114 transitions, 281 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-08 21:52:29,125 INFO L231 Difference]: Finished difference. Result has 135 places, 0 transitions, 0 flow [2025-03-08 21:52:29,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=251, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=135, PETRI_TRANSITIONS=0} [2025-03-08 21:52:29,126 INFO L279 CegarLoopForPetriNet]: 245 programPoint places, -110 predicate places. [2025-03-08 21:52:29,126 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 0 transitions, 0 flow [2025-03-08 21:52:29,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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) [2025-03-08 21:52:29,129 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (20 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (19 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 23 remaining) [2025-03-08 21:52:29,130 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (2 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 23 remaining) [2025-03-08 21:52:29,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (0 of 23 remaining) [2025-03-08 21:52:29,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-08 21:52:29,132 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 21:52:29,136 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 21:52:29,136 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 21:52:29,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:52:29 BasicIcfg [2025-03-08 21:52:29,141 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 21:52:29,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 21:52:29,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 21:52:29,142 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 21:52:29,143 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:52:21" (3/4) ... [2025-03-08 21:52:29,144 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 21:52:29,148 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2025-03-08 21:52:29,153 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2025-03-08 21:52:29,153 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-08 21:52:29,153 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 21:52:29,154 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 21:52:29,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 21:52:29,224 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 21:52:29,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 21:52:29,225 INFO L158 Benchmark]: Toolchain (without parser) took 9056.11ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 106.7MB in the beginning and 192.3MB in the end (delta: -85.6MB). Peak memory consumption was 224.1MB. Max. memory is 16.1GB. [2025-03-08 21:52:29,225 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:52:29,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.25ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 75.9MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 21:52:29,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.12ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 72.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 21:52:29,225 INFO L158 Benchmark]: Boogie Preprocessor took 58.56ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 69.5MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:52:29,226 INFO L158 Benchmark]: IcfgBuilder took 621.95ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 100.8MB in the end (delta: -31.3MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2025-03-08 21:52:29,226 INFO L158 Benchmark]: TraceAbstraction took 7782.70ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 100.8MB in the beginning and 200.7MB in the end (delta: -100.0MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. [2025-03-08 21:52:29,226 INFO L158 Benchmark]: Witness Printer took 82.10ms. Allocated memory is still 453.0MB. Free memory was 200.7MB in the beginning and 192.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 21:52:29,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.25ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 75.9MB in the end (delta: 30.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.12ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 72.9MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.56ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 69.5MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 621.95ms. Allocated memory is still 142.6MB. Free memory was 69.5MB in the beginning and 100.8MB in the end (delta: -31.3MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7782.70ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 100.8MB in the beginning and 200.7MB in the end (delta: -100.0MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. * Witness Printer took 82.10ms. Allocated memory is still 453.0MB. Free memory was 200.7MB in the beginning and 192.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3961]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3940]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3962]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3957]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3963]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3958]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3964]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3908]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3911]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3914]: 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 4 procedures, 260 locations, 271 edges, 23 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: 7.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1004 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 114 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 337 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2544 IncrementalHoareTripleChecker+Invalid, 2881 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 337 mSolverCounterUnsat, 95 mSDtfsCounter, 2544 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1359occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1284 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 21/21 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 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 21:52:29,241 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