./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 735b3cc8 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/weaver/parallel-ticket-4.wvr.c -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 ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 --- Real Ultimate output --- This is Ultimate 0.3.0-?-735b3cc-m [2025-03-14 01:44:41,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 01:44:41,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-14 01:44:41,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-14 01:44:41,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-14 01:44:41,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 01:44:41,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-14 01:44:41,653 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-14 01:44:41,654 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 01:44:41,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 01:44:41,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 01:44:41,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 01:44:41,655 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 01:44:41,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 01:44:41,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 01:44:41,656 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-14 01:44:41,657 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 01:44:41,657 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-14 01:44:41,657 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 01:44:41,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 01:44:41,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:44:41,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 01:44:41,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 01:44:41,657 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-14 01:44:41,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-14 01:44:41,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 01:44:41,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 01:44:41,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 01:44:41,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 01:44:41,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-14 01:44:41,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-14 01:44:41,658 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 -> ad6b8e6072d4c534442fdbffe3152158d5d2614d02df79d5ef08cd921f0d4751 [2025-03-14 01:44:41,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 01:44:41,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 01:44:41,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 01:44:41,880 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 01:44:41,881 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 01:44:41,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2025-03-14 01:44:42,998 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ba5cba52/3d0347a6c0ad47d3853e34b0d84e3494/FLAG8434ce8c0 [2025-03-14 01:44:43,323 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 01:44:43,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-ticket-4.wvr.c [2025-03-14 01:44:43,336 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ba5cba52/3d0347a6c0ad47d3853e34b0d84e3494/FLAG8434ce8c0 [2025-03-14 01:44:43,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ba5cba52/3d0347a6c0ad47d3853e34b0d84e3494 [2025-03-14 01:44:43,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 01:44:43,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-14 01:44:43,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 01:44:43,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 01:44:43,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 01:44:43,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2107ef4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43, skipping insertion in model container [2025-03-14 01:44:43,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 01:44:43,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:44:43,745 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 01:44:43,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 01:44:43,779 INFO L204 MainTranslator]: Completed translation [2025-03-14 01:44:43,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43 WrapperNode [2025-03-14 01:44:43,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 01:44:43,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 01:44:43,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 01:44:43,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 01:44:43,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,816 INFO L138 Inliner]: procedures = 20, calls = 17, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 214 [2025-03-14 01:44:43,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 01:44:43,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 01:44:43,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 01:44:43,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 01:44:43,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,837 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 01:44:43,851 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-14 01:44:43,851 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-14 01:44:43,851 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-14 01:44:43,852 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (1/1) ... [2025-03-14 01:44:43,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-14 01:44:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 01:44:43,886 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) [2025-03-14 01:44:43,892 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 [2025-03-14 01:44:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 01:44:43,908 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 01:44:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 01:44:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 01:44:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 01:44:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-14 01:44:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-14 01:44:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-03-14 01:44:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-03-14 01:44:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 01:44:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 01:44:43,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 01:44:43,911 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 01:44:44,001 INFO L256 CfgBuilder]: Building ICFG [2025-03-14 01:44:44,003 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 01:44:44,269 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 01:44:44,271 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 01:44:44,272 INFO L318 CfgBuilder]: Performing block encoding [2025-03-14 01:44:44,320 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 01:44:44,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:44 BoogieIcfgContainer [2025-03-14 01:44:44,322 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-14 01:44:44,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 01:44:44,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 01:44:44,328 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 01:44:44,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 01:44:43" (1/3) ... [2025-03-14 01:44:44,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a628ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:44:44, skipping insertion in model container [2025-03-14 01:44:44,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 01:44:43" (2/3) ... [2025-03-14 01:44:44,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a628ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 01:44:44, skipping insertion in model container [2025-03-14 01:44:44,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:44" (3/3) ... [2025-03-14 01:44:44,329 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-ticket-4.wvr.c [2025-03-14 01:44:44,341 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 01:44:44,342 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-4.wvr.c that has 5 procedures, 227 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2025-03-14 01:44:44,343 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 01:44:44,430 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-14 01:44:44,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 239 places, 235 transitions, 498 flow [2025-03-14 01:44:44,557 INFO L124 PetriNetUnfolderBase]: 9/231 cut-off events. [2025-03-14 01:44:44,561 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 01:44:44,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 231 events. 9/231 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 358 event pairs, 0 based on Foata normal form. 0/210 useless extension candidates. Maximal degree in co-relation 187. Up to 2 conditions per place. [2025-03-14 01:44:44,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 239 places, 235 transitions, 498 flow [2025-03-14 01:44:44,575 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 219 places, 214 transitions, 449 flow [2025-03-14 01:44:44,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 01:44:44,596 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;@6ea7adcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 01:44:44,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-03-14 01:44:44,603 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 01:44:44,604 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2025-03-14 01:44:44,604 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 01:44:44,604 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:44,605 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] [2025-03-14 01:44:44,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:44,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:44,611 INFO L85 PathProgramCache]: Analyzing trace with hash -390363681, now seen corresponding path program 1 times [2025-03-14 01:44:44,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:44,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446556986] [2025-03-14 01:44:44,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:44,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:44,676 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-14 01:44:44,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-14 01:44:44,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:44,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:44,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:44,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446556986] [2025-03-14 01:44:44,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446556986] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:44,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:44,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:44,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147867730] [2025-03-14 01:44:44,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:44,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:44,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:44,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:44,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:44,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2025-03-14 01:44:44,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 214 transitions, 449 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:44,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:44,811 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2025-03-14 01:44:44,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:45,557 INFO L124 PetriNetUnfolderBase]: 1590/4870 cut-off events. [2025-03-14 01:44:45,558 INFO L125 PetriNetUnfolderBase]: For 339/339 co-relation queries the response was YES. [2025-03-14 01:44:45,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7393 conditions, 4870 events. 1590/4870 cut-off events. For 339/339 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 44619 event pairs, 1132 based on Foata normal form. 350/4509 useless extension candidates. Maximal degree in co-relation 7098. Up to 2178 conditions per place. [2025-03-14 01:44:45,599 INFO L140 encePairwiseOnDemand]: 227/235 looper letters, 29 selfloop transitions, 2 changer transitions 1/208 dead transitions. [2025-03-14 01:44:45,600 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 208 transitions, 499 flow [2025-03-14 01:44:45,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:45,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 619 transitions. [2025-03-14 01:44:45,613 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8780141843971632 [2025-03-14 01:44:45,615 INFO L175 Difference]: Start difference. First operand has 219 places, 214 transitions, 449 flow. Second operand 3 states and 619 transitions. [2025-03-14 01:44:45,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 208 transitions, 499 flow [2025-03-14 01:44:45,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 208 transitions, 486 flow, removed 0 selfloop flow, removed 7 redundant places. [2025-03-14 01:44:45,627 INFO L231 Difference]: Finished difference. Result has 213 places, 207 transitions, 426 flow [2025-03-14 01:44:45,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=426, PETRI_PLACES=213, PETRI_TRANSITIONS=207} [2025-03-14 01:44:45,634 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -6 predicate places. [2025-03-14 01:44:45,635 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 207 transitions, 426 flow [2025-03-14 01:44:45,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:45,636 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:45,637 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] [2025-03-14 01:44:45,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 01:44:45,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:45,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:45,639 INFO L85 PathProgramCache]: Analyzing trace with hash -223971345, now seen corresponding path program 1 times [2025-03-14 01:44:45,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:45,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304656463] [2025-03-14 01:44:45,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:45,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:45,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-14 01:44:45,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-14 01:44:45,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:45,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:45,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:45,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304656463] [2025-03-14 01:44:45,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304656463] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:45,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:45,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:45,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552361770] [2025-03-14 01:44:45,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:45,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:45,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:45,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:45,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:45,727 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2025-03-14 01:44:45,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 207 transitions, 426 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:45,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:45,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2025-03-14 01:44:45,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:46,505 INFO L124 PetriNetUnfolderBase]: 1827/4770 cut-off events. [2025-03-14 01:44:46,505 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2025-03-14 01:44:46,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7534 conditions, 4770 events. 1827/4770 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 40737 event pairs, 1374 based on Foata normal form. 0/4108 useless extension candidates. Maximal degree in co-relation 7500. Up to 2507 conditions per place. [2025-03-14 01:44:46,536 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 29 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2025-03-14 01:44:46,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 206 transitions, 486 flow [2025-03-14 01:44:46,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:46,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:46,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2025-03-14 01:44:46,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8709219858156029 [2025-03-14 01:44:46,538 INFO L175 Difference]: Start difference. First operand has 213 places, 207 transitions, 426 flow. Second operand 3 states and 614 transitions. [2025-03-14 01:44:46,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 206 transitions, 486 flow [2025-03-14 01:44:46,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 206 transitions, 482 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:46,543 INFO L231 Difference]: Finished difference. Result has 211 places, 206 transitions, 424 flow [2025-03-14 01:44:46,546 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=424, PETRI_PLACES=211, PETRI_TRANSITIONS=206} [2025-03-14 01:44:46,546 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -8 predicate places. [2025-03-14 01:44:46,546 INFO L471 AbstractCegarLoop]: Abstraction has has 211 places, 206 transitions, 424 flow [2025-03-14 01:44:46,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:46,547 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:46,547 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] [2025-03-14 01:44:46,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 01:44:46,547 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:46,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:46,548 INFO L85 PathProgramCache]: Analyzing trace with hash -207963243, now seen corresponding path program 1 times [2025-03-14 01:44:46,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:46,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765112835] [2025-03-14 01:44:46,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:46,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:46,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-14 01:44:46,561 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-14 01:44:46,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:46,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:46,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:46,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:46,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765112835] [2025-03-14 01:44:46,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765112835] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:46,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:46,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:46,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056990191] [2025-03-14 01:44:46,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:46,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:46,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:46,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:46,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:46,601 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2025-03-14 01:44:46,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 206 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:46,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:46,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2025-03-14 01:44:46,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:47,048 INFO L124 PetriNetUnfolderBase]: 1848/4571 cut-off events. [2025-03-14 01:44:47,048 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2025-03-14 01:44:47,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7342 conditions, 4571 events. 1848/4571 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 37572 event pairs, 1400 based on Foata normal form. 0/3911 useless extension candidates. Maximal degree in co-relation 7300. Up to 2534 conditions per place. [2025-03-14 01:44:47,075 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 29 selfloop transitions, 2 changer transitions 0/205 dead transitions. [2025-03-14 01:44:47,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 205 transitions, 484 flow [2025-03-14 01:44:47,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2025-03-14 01:44:47,078 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8709219858156029 [2025-03-14 01:44:47,078 INFO L175 Difference]: Start difference. First operand has 211 places, 206 transitions, 424 flow. Second operand 3 states and 614 transitions. [2025-03-14 01:44:47,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 205 transitions, 484 flow [2025-03-14 01:44:47,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 205 transitions, 480 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:47,081 INFO L231 Difference]: Finished difference. Result has 210 places, 205 transitions, 422 flow [2025-03-14 01:44:47,082 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=210, PETRI_TRANSITIONS=205} [2025-03-14 01:44:47,083 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -9 predicate places. [2025-03-14 01:44:47,083 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 205 transitions, 422 flow [2025-03-14 01:44:47,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:47,084 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:47,084 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] [2025-03-14 01:44:47,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 01:44:47,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:47,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:47,085 INFO L85 PathProgramCache]: Analyzing trace with hash 2054704289, now seen corresponding path program 1 times [2025-03-14 01:44:47,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:47,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712830896] [2025-03-14 01:44:47,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:47,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:47,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-14 01:44:47,106 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-14 01:44:47,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:47,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:47,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:47,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712830896] [2025-03-14 01:44:47,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712830896] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:47,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:47,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:47,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690543867] [2025-03-14 01:44:47,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:47,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:47,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:47,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:47,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:47,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 235 [2025-03-14 01:44:47,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 205 transitions, 422 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:47,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:47,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 235 [2025-03-14 01:44:47,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:47,690 INFO L124 PetriNetUnfolderBase]: 1714/4642 cut-off events. [2025-03-14 01:44:47,691 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2025-03-14 01:44:47,705 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7165 conditions, 4642 events. 1714/4642 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 39101 event pairs, 1266 based on Foata normal form. 0/3988 useless extension candidates. Maximal degree in co-relation 7115. Up to 2354 conditions per place. [2025-03-14 01:44:47,719 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 29 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2025-03-14 01:44:47,719 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 204 transitions, 482 flow [2025-03-14 01:44:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:47,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 614 transitions. [2025-03-14 01:44:47,721 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8709219858156029 [2025-03-14 01:44:47,721 INFO L175 Difference]: Start difference. First operand has 210 places, 205 transitions, 422 flow. Second operand 3 states and 614 transitions. [2025-03-14 01:44:47,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 204 transitions, 482 flow [2025-03-14 01:44:47,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 204 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:47,724 INFO L231 Difference]: Finished difference. Result has 209 places, 204 transitions, 420 flow [2025-03-14 01:44:47,724 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=209, PETRI_TRANSITIONS=204} [2025-03-14 01:44:47,724 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -10 predicate places. [2025-03-14 01:44:47,725 INFO L471 AbstractCegarLoop]: Abstraction has has 209 places, 204 transitions, 420 flow [2025-03-14 01:44:47,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 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) [2025-03-14 01:44:47,725 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:47,725 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] [2025-03-14 01:44:47,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 01:44:47,725 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:47,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:47,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1032916118, now seen corresponding path program 1 times [2025-03-14 01:44:47,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:47,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195654139] [2025-03-14 01:44:47,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:47,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:47,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-14 01:44:47,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-14 01:44:47,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:47,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:47,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:47,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:47,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195654139] [2025-03-14 01:44:47,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195654139] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:47,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:47,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:47,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488183780] [2025-03-14 01:44:47,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:47,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:47,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:47,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:47,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:47,823 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2025-03-14 01:44:47,824 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 209 places, 204 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2025-03-14 01:44:47,824 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:47,824 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2025-03-14 01:44:47,824 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:48,504 INFO L124 PetriNetUnfolderBase]: 2313/6203 cut-off events. [2025-03-14 01:44:48,505 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2025-03-14 01:44:48,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9691 conditions, 6203 events. 2313/6203 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 57579 event pairs, 1319 based on Foata normal form. 0/5320 useless extension candidates. Maximal degree in co-relation 9633. Up to 2498 conditions per place. [2025-03-14 01:44:48,566 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 40 selfloop transitions, 2 changer transitions 0/215 dead transitions. [2025-03-14 01:44:48,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 215 transitions, 530 flow [2025-03-14 01:44:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:48,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 631 transitions. [2025-03-14 01:44:48,568 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8950354609929078 [2025-03-14 01:44:48,568 INFO L175 Difference]: Start difference. First operand has 209 places, 204 transitions, 420 flow. Second operand 3 states and 631 transitions. [2025-03-14 01:44:48,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 215 transitions, 530 flow [2025-03-14 01:44:48,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 208 places, 215 transitions, 526 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:48,573 INFO L231 Difference]: Finished difference. Result has 208 places, 203 transitions, 418 flow [2025-03-14 01:44:48,575 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=206, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=208, PETRI_TRANSITIONS=203} [2025-03-14 01:44:48,575 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -11 predicate places. [2025-03-14 01:44:48,576 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 203 transitions, 418 flow [2025-03-14 01:44:48,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.33333333333334) internal successors, (598), 3 states have internal predecessors, (598), 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) [2025-03-14 01:44:48,576 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:48,576 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] [2025-03-14 01:44:48,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-14 01:44:48,576 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:48,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:48,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1115249900, now seen corresponding path program 1 times [2025-03-14 01:44:48,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:48,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901343309] [2025-03-14 01:44:48,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:48,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:48,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-14 01:44:48,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-14 01:44:48,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:48,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:48,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:48,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901343309] [2025-03-14 01:44:48,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901343309] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:48,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:48,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:48,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104631882] [2025-03-14 01:44:48,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:48,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:48,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:48,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:48,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:48,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2025-03-14 01:44:48,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 203 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2025-03-14 01:44:48,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:48,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2025-03-14 01:44:48,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:49,271 INFO L124 PetriNetUnfolderBase]: 1959/4969 cut-off events. [2025-03-14 01:44:49,271 INFO L125 PetriNetUnfolderBase]: For 129/129 co-relation queries the response was YES. [2025-03-14 01:44:49,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7991 conditions, 4969 events. 1959/4969 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 42759 event pairs, 431 based on Foata normal form. 0/4352 useless extension candidates. Maximal degree in co-relation 5950. Up to 1962 conditions per place. [2025-03-14 01:44:49,314 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 39 selfloop transitions, 1 changer transitions 0/214 dead transitions. [2025-03-14 01:44:49,315 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 214 transitions, 524 flow [2025-03-14 01:44:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:49,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:49,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2025-03-14 01:44:49,317 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900709219858156 [2025-03-14 01:44:49,317 INFO L175 Difference]: Start difference. First operand has 208 places, 203 transitions, 418 flow. Second operand 3 states and 635 transitions. [2025-03-14 01:44:49,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 214 transitions, 524 flow [2025-03-14 01:44:49,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 214 transitions, 520 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:49,321 INFO L231 Difference]: Finished difference. Result has 207 places, 202 transitions, 414 flow [2025-03-14 01:44:49,321 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=207, PETRI_TRANSITIONS=202} [2025-03-14 01:44:49,322 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2025-03-14 01:44:49,322 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 202 transitions, 414 flow [2025-03-14 01:44:49,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 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) [2025-03-14 01:44:49,323 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:49,323 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] [2025-03-14 01:44:49,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-14 01:44:49,323 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:49,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:49,324 INFO L85 PathProgramCache]: Analyzing trace with hash 2028137539, now seen corresponding path program 1 times [2025-03-14 01:44:49,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:49,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861119022] [2025-03-14 01:44:49,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:49,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:49,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-14 01:44:49,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-14 01:44:49,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:49,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:49,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:49,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861119022] [2025-03-14 01:44:49,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861119022] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:49,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:49,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:49,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534254562] [2025-03-14 01:44:49,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:49,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:49,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:49,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:49,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:49,406 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2025-03-14 01:44:49,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 202 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 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) [2025-03-14 01:44:49,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:49,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2025-03-14 01:44:49,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:50,025 INFO L124 PetriNetUnfolderBase]: 2801/6242 cut-off events. [2025-03-14 01:44:50,025 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2025-03-14 01:44:50,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10467 conditions, 6242 events. 2801/6242 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 52547 event pairs, 1639 based on Foata normal form. 0/5489 useless extension candidates. Maximal degree in co-relation 8004. Up to 2924 conditions per place. [2025-03-14 01:44:50,072 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 41 selfloop transitions, 2 changer transitions 0/214 dead transitions. [2025-03-14 01:44:50,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 214 transitions, 528 flow [2025-03-14 01:44:50,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:50,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2025-03-14 01:44:50,075 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2025-03-14 01:44:50,076 INFO L175 Difference]: Start difference. First operand has 207 places, 202 transitions, 414 flow. Second operand 3 states and 632 transitions. [2025-03-14 01:44:50,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 214 transitions, 528 flow [2025-03-14 01:44:50,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 214 transitions, 527 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:50,078 INFO L231 Difference]: Finished difference. Result has 207 places, 201 transitions, 415 flow [2025-03-14 01:44:50,079 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=415, PETRI_PLACES=207, PETRI_TRANSITIONS=201} [2025-03-14 01:44:50,081 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -12 predicate places. [2025-03-14 01:44:50,081 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 201 transitions, 415 flow [2025-03-14 01:44:50,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 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) [2025-03-14 01:44:50,082 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:50,082 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:50,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-14 01:44:50,082 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:50,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:50,083 INFO L85 PathProgramCache]: Analyzing trace with hash 976189381, now seen corresponding path program 1 times [2025-03-14 01:44:50,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:50,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699607403] [2025-03-14 01:44:50,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:50,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:50,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-14 01:44:50,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-14 01:44:50,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:50,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:50,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:50,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699607403] [2025-03-14 01:44:50,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699607403] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:50,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:50,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:50,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842167906] [2025-03-14 01:44:50,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:50,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:50,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:50,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:50,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:50,153 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2025-03-14 01:44:50,154 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 201 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2025-03-14 01:44:50,154 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:50,154 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2025-03-14 01:44:50,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:50,749 INFO L124 PetriNetUnfolderBase]: 2062/5252 cut-off events. [2025-03-14 01:44:50,749 INFO L125 PetriNetUnfolderBase]: For 232/232 co-relation queries the response was YES. [2025-03-14 01:44:50,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8514 conditions, 5252 events. 2062/5252 cut-off events. For 232/232 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 44088 event pairs, 910 based on Foata normal form. 0/4720 useless extension candidates. Maximal degree in co-relation 6469. Up to 1687 conditions per place. [2025-03-14 01:44:50,787 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 40 selfloop transitions, 1 changer transitions 0/213 dead transitions. [2025-03-14 01:44:50,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 213 transitions, 525 flow [2025-03-14 01:44:50,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:50,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2025-03-14 01:44:50,793 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.902127659574468 [2025-03-14 01:44:50,793 INFO L175 Difference]: Start difference. First operand has 207 places, 201 transitions, 415 flow. Second operand 3 states and 636 transitions. [2025-03-14 01:44:50,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 213 transitions, 525 flow [2025-03-14 01:44:50,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 213 transitions, 521 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:50,798 INFO L231 Difference]: Finished difference. Result has 206 places, 200 transitions, 411 flow [2025-03-14 01:44:50,798 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=411, PETRI_PLACES=206, PETRI_TRANSITIONS=200} [2025-03-14 01:44:50,799 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2025-03-14 01:44:50,799 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 200 transitions, 411 flow [2025-03-14 01:44:50,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 201.66666666666666) internal successors, (605), 3 states have internal predecessors, (605), 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) [2025-03-14 01:44:50,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:50,800 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] [2025-03-14 01:44:50,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-14 01:44:50,800 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:50,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:50,800 INFO L85 PathProgramCache]: Analyzing trace with hash 744594477, now seen corresponding path program 1 times [2025-03-14 01:44:50,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:50,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106320545] [2025-03-14 01:44:50,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:50,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:50,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-14 01:44:50,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-14 01:44:50,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:50,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:50,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:50,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106320545] [2025-03-14 01:44:50,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106320545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:50,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:50,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:50,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609075522] [2025-03-14 01:44:50,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:50,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:50,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:50,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:50,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:50,869 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2025-03-14 01:44:50,870 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 200 transitions, 411 flow. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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) [2025-03-14 01:44:50,870 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:50,870 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2025-03-14 01:44:50,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:51,449 INFO L124 PetriNetUnfolderBase]: 2675/6405 cut-off events. [2025-03-14 01:44:51,449 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2025-03-14 01:44:51,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10417 conditions, 6405 events. 2675/6405 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 353. Compared 55117 event pairs, 1449 based on Foata normal form. 0/5645 useless extension candidates. Maximal degree in co-relation 8037. Up to 2744 conditions per place. [2025-03-14 01:44:51,495 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 41 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2025-03-14 01:44:51,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 212 transitions, 525 flow [2025-03-14 01:44:51,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:51,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2025-03-14 01:44:51,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8964539007092198 [2025-03-14 01:44:51,498 INFO L175 Difference]: Start difference. First operand has 206 places, 200 transitions, 411 flow. Second operand 3 states and 632 transitions. [2025-03-14 01:44:51,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 212 transitions, 525 flow [2025-03-14 01:44:51,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 212 transitions, 524 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:51,501 INFO L231 Difference]: Finished difference. Result has 206 places, 199 transitions, 412 flow [2025-03-14 01:44:51,501 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=408, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=412, PETRI_PLACES=206, PETRI_TRANSITIONS=199} [2025-03-14 01:44:51,502 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -13 predicate places. [2025-03-14 01:44:51,502 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 199 transitions, 412 flow [2025-03-14 01:44:51,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 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) [2025-03-14 01:44:51,503 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:51,503 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, 1, 1] [2025-03-14 01:44:51,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-14 01:44:51,503 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:51,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1381183121, now seen corresponding path program 1 times [2025-03-14 01:44:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870615342] [2025-03-14 01:44:51,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:51,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-14 01:44:51,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-14 01:44:51,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:51,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:51,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:51,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:51,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870615342] [2025-03-14 01:44:51,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870615342] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:51,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:51,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:51,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106260177] [2025-03-14 01:44:51,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:51,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:51,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:51,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:51,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:51,576 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2025-03-14 01:44:51,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 199 transitions, 412 flow. Second operand has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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) [2025-03-14 01:44:51,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:51,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2025-03-14 01:44:51,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:51,999 INFO L124 PetriNetUnfolderBase]: 2090/5019 cut-off events. [2025-03-14 01:44:52,000 INFO L125 PetriNetUnfolderBase]: For 242/242 co-relation queries the response was YES. [2025-03-14 01:44:52,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8324 conditions, 5019 events. 2090/5019 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 40256 event pairs, 809 based on Foata normal form. 0/4540 useless extension candidates. Maximal degree in co-relation 6378. Up to 1626 conditions per place. [2025-03-14 01:44:52,029 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 37 selfloop transitions, 1 changer transitions 6/211 dead transitions. [2025-03-14 01:44:52,030 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 211 transitions, 522 flow [2025-03-14 01:44:52,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:52,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:52,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2025-03-14 01:44:52,031 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.902127659574468 [2025-03-14 01:44:52,031 INFO L175 Difference]: Start difference. First operand has 206 places, 199 transitions, 412 flow. Second operand 3 states and 636 transitions. [2025-03-14 01:44:52,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 211 transitions, 522 flow [2025-03-14 01:44:52,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 211 transitions, 518 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:52,036 INFO L231 Difference]: Finished difference. Result has 205 places, 194 transitions, 400 flow [2025-03-14 01:44:52,037 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=205, PETRI_TRANSITIONS=194} [2025-03-14 01:44:52,037 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -14 predicate places. [2025-03-14 01:44:52,037 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 194 transitions, 400 flow [2025-03-14 01:44:52,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 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) [2025-03-14 01:44:52,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:52,038 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, 1, 1, 1, 1] [2025-03-14 01:44:52,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-14 01:44:52,038 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread4Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:52,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:52,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1102906694, now seen corresponding path program 1 times [2025-03-14 01:44:52,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:52,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606712102] [2025-03-14 01:44:52,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:52,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:52,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-14 01:44:52,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-14 01:44:52,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:52,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:52,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606712102] [2025-03-14 01:44:52,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606712102] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:52,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:52,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:52,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716742179] [2025-03-14 01:44:52,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:52,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:52,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:52,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:52,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:52,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 235 [2025-03-14 01:44:52,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 194 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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) [2025-03-14 01:44:52,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:52,095 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 235 [2025-03-14 01:44:52,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:52,565 INFO L124 PetriNetUnfolderBase]: 2100/5349 cut-off events. [2025-03-14 01:44:52,565 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2025-03-14 01:44:52,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8453 conditions, 5349 events. 2100/5349 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 268. Compared 44793 event pairs, 1147 based on Foata normal form. 0/4565 useless extension candidates. Maximal degree in co-relation 7132. Up to 2129 conditions per place. [2025-03-14 01:44:52,592 INFO L140 encePairwiseOnDemand]: 232/235 looper letters, 40 selfloop transitions, 2 changer transitions 0/206 dead transitions. [2025-03-14 01:44:52,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 206 transitions, 511 flow [2025-03-14 01:44:52,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 631 transitions. [2025-03-14 01:44:52,594 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8950354609929078 [2025-03-14 01:44:52,594 INFO L175 Difference]: Start difference. First operand has 205 places, 194 transitions, 400 flow. Second operand 3 states and 631 transitions. [2025-03-14 01:44:52,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 206 transitions, 511 flow [2025-03-14 01:44:52,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 206 transitions, 510 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-14 01:44:52,597 INFO L231 Difference]: Finished difference. Result has 201 places, 193 transitions, 401 flow [2025-03-14 01:44:52,598 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=401, PETRI_PLACES=201, PETRI_TRANSITIONS=193} [2025-03-14 01:44:52,598 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -18 predicate places. [2025-03-14 01:44:52,598 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 193 transitions, 401 flow [2025-03-14 01:44:52,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.33333333333334) internal successors, (601), 3 states have internal predecessors, (601), 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) [2025-03-14 01:44:52,599 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-14 01:44:52,599 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:52,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-14 01:44:52,599 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread4Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2025-03-14 01:44:52,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 01:44:52,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1721283784, now seen corresponding path program 1 times [2025-03-14 01:44:52,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 01:44:52,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220801193] [2025-03-14 01:44:52,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 01:44:52,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 01:44:52,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-14 01:44:52,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-14 01:44:52,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-14 01:44:52,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 01:44:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 01:44:52,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 01:44:52,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220801193] [2025-03-14 01:44:52,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220801193] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 01:44:52,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 01:44:52,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-14 01:44:52,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776979181] [2025-03-14 01:44:52,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 01:44:52,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 01:44:52,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 01:44:52,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 01:44:52,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 01:44:52,668 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 235 [2025-03-14 01:44:52,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 193 transitions, 401 flow. Second operand has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 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) [2025-03-14 01:44:52,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 01:44:52,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 235 [2025-03-14 01:44:52,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 01:44:53,084 INFO L124 PetriNetUnfolderBase]: 1527/4385 cut-off events. [2025-03-14 01:44:53,085 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2025-03-14 01:44:53,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6793 conditions, 4385 events. 1527/4385 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 36385 event pairs, 686 based on Foata normal form. 0/3814 useless extension candidates. Maximal degree in co-relation 5472. Up to 1242 conditions per place. [2025-03-14 01:44:53,106 INFO L140 encePairwiseOnDemand]: 233/235 looper letters, 0 selfloop transitions, 0 changer transitions 205/205 dead transitions. [2025-03-14 01:44:53,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 205 transitions, 508 flow [2025-03-14 01:44:53,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 01:44:53,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 01:44:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2025-03-14 01:44:53,108 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900709219858156 [2025-03-14 01:44:53,108 INFO L175 Difference]: Start difference. First operand has 201 places, 193 transitions, 401 flow. Second operand 3 states and 635 transitions. [2025-03-14 01:44:53,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 205 transitions, 508 flow [2025-03-14 01:44:53,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 205 transitions, 504 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-14 01:44:53,110 INFO L231 Difference]: Finished difference. Result has 200 places, 0 transitions, 0 flow [2025-03-14 01:44:53,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=235, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=200, PETRI_TRANSITIONS=0} [2025-03-14 01:44:53,111 INFO L279 CegarLoopForPetriNet]: 219 programPoint places, -19 predicate places. [2025-03-14 01:44:53,111 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 0 transitions, 0 flow [2025-03-14 01:44:53,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 202.33333333333334) internal successors, (607), 3 states have internal predecessors, (607), 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) [2025-03-14 01:44:53,118 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2025-03-14 01:44:53,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2025-03-14 01:44:53,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2025-03-14 01:44:53,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2025-03-14 01:44:53,122 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 24 remaining) [2025-03-14 01:44:53,123 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2025-03-14 01:44:53,124 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2025-03-14 01:44:53,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-14 01:44:53,125 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-14 01:44:53,130 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 01:44:53,130 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 01:44:53,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 01:44:53 BasicIcfg [2025-03-14 01:44:53,135 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 01:44:53,136 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-14 01:44:53,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-14 01:44:53,136 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-14 01:44:53,137 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.03 01:44:44" (3/4) ... [2025-03-14 01:44:53,139 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-14 01:44:53,141 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-14 01:44:53,141 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-14 01:44:53,141 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-03-14 01:44:53,142 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread4 [2025-03-14 01:44:53,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2025-03-14 01:44:53,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-14 01:44:53,145 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-03-14 01:44:53,146 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-14 01:44:53,217 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-14 01:44:53,217 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-14 01:44:53,217 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-14 01:44:53,218 INFO L158 Benchmark]: Toolchain (without parser) took 9612.01ms. Allocated memory was 167.8MB in the beginning and 956.3MB in the end (delta: 788.5MB). Free memory was 123.8MB in the beginning and 377.8MB in the end (delta: -254.0MB). Peak memory consumption was 528.2MB. Max. memory is 16.1GB. [2025-03-14 01:44:53,218 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 192.9MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:44:53,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.69ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 112.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:44:53,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.10ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 110.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:44:53,219 INFO L158 Benchmark]: Boogie Preprocessor took 32.76ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 838.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:44:53,219 INFO L158 Benchmark]: IcfgBuilder took 471.32ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 87.2MB in the end (delta: 21.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-14 01:44:53,219 INFO L158 Benchmark]: TraceAbstraction took 8811.75ms. Allocated memory was 167.8MB in the beginning and 956.3MB in the end (delta: 788.5MB). Free memory was 86.7MB in the beginning and 382.0MB in the end (delta: -295.4MB). Peak memory consumption was 503.0MB. Max. memory is 16.1GB. [2025-03-14 01:44:53,219 INFO L158 Benchmark]: Witness Printer took 81.18ms. Allocated memory is still 956.3MB. Free memory was 382.0MB in the beginning and 377.8MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-14 01:44:53,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 192.9MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.69ms. Allocated memory is still 167.8MB. Free memory was 123.5MB in the beginning and 112.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.10ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 110.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.76ms. Allocated memory is still 167.8MB. Free memory was 110.0MB in the beginning and 109.1MB in the end (delta: 838.6kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 471.32ms. Allocated memory is still 167.8MB. Free memory was 108.8MB in the beginning and 87.2MB in the end (delta: 21.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8811.75ms. Allocated memory was 167.8MB in the beginning and 956.3MB in the end (delta: 788.5MB). Free memory was 86.7MB in the beginning and 382.0MB in the end (delta: -295.4MB). Peak memory consumption was 503.0MB. Max. memory is 16.1GB. * Witness Printer took 81.18ms. Allocated memory is still 956.3MB. Free memory was 382.0MB in the beginning and 377.8MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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 9 procedures, 335 locations, 24 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: 8.7s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 300 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 839 IncrementalHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 30 mSDtfsCounter, 839 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=0, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 912 NumberOfCodeBlocks, 912 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 900 ConstructedInterpolants, 0 QuantifiedInterpolants, 924 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 01:44:53,240 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