./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.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 9010a499ef96f31ef98b99a567d66bd11342d64ef955a852686bd9085f4ce268 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 22:06:25,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 22:06:25,925 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-08 22:06:25,931 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 22:06:25,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 22:06:25,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 22:06:25,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 22:06:25,950 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 22:06:25,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 22:06:25,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 22:06:25,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 22:06:25,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 22:06:25,950 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 22:06:25,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 22:06:25,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 22:06:25,953 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 22:06:25,953 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 22:06:25,953 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 22:06:25,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 22:06:25,954 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:06:25,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 22:06:25,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 22:06:25,955 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 -> 9010a499ef96f31ef98b99a567d66bd11342d64ef955a852686bd9085f4ce268 [2025-03-08 22:06:26,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 22:06:26,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 22:06:26,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 22:06:26,200 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 22:06:26,200 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 22:06:26,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2025-03-08 22:06:27,258 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb4dbea2/dd1f97a368be4177973f32bcd15d0e79/FLAGe6944f16d [2025-03-08 22:06:27,522 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 22:06:27,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2025-03-08 22:06:27,540 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb4dbea2/dd1f97a368be4177973f32bcd15d0e79/FLAGe6944f16d [2025-03-08 22:06:27,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbb4dbea2/dd1f97a368be4177973f32bcd15d0e79 [2025-03-08 22:06:27,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 22:06:27,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 22:06:27,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 22:06:27,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 22:06:27,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 22:06:27,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b1ae4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27, skipping insertion in model container [2025-03-08 22:06:27,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 22:06:27,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:06:27,720 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 22:06:27,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 22:06:27,749 INFO L204 MainTranslator]: Completed translation [2025-03-08 22:06:27,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27 WrapperNode [2025-03-08 22:06:27,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 22:06:27,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 22:06:27,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 22:06:27,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 22:06:27,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,778 INFO L138 Inliner]: procedures = 19, calls = 16, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2025-03-08 22:06:27,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 22:06:27,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 22:06:27,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 22:06:27,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 22:06:27,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,795 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 22:06:27,804 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 22:06:27,804 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 22:06:27,804 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 22:06:27,805 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (1/1) ... [2025-03-08 22:06:27,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 22:06:27,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 22:06:27,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 22:06:27,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 22:06:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 22:06:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-08 22:06:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-08 22:06:27,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-08 22:06:27,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-08 22:06:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 22:06:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-08 22:06:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-08 22:06:27,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 22:06:27,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 22:06:27,859 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-08 22:06:27,925 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 22:06:27,927 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 22:06:28,202 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-08 22:06:28,203 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 22:06:28,292 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 22:06:28,292 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 22:06:28,292 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:28 BoogieIcfgContainer [2025-03-08 22:06:28,292 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 22:06:28,295 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 22:06:28,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 22:06:28,298 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 22:06:28,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 10:06:27" (1/3) ... [2025-03-08 22:06:28,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620a208e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:06:28, skipping insertion in model container [2025-03-08 22:06:28,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 10:06:27" (2/3) ... [2025-03-08 22:06:28,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@620a208e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 10:06:28, skipping insertion in model container [2025-03-08 22:06:28,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:28" (3/3) ... [2025-03-08 22:06:28,300 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2025-03-08 22:06:28,309 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 22:06:28,310 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-misc-2-unrolled-atomic.wvr.c that has 3 procedures, 170 locations, 1 initial locations, 2 loop locations, and 32 error locations. [2025-03-08 22:06:28,311 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-08 22:06:28,355 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-08 22:06:28,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 176 places, 179 transitions, 372 flow [2025-03-08 22:06:28,425 INFO L124 PetriNetUnfolderBase]: 10/177 cut-off events. [2025-03-08 22:06:28,427 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-08 22:06:28,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 186 conditions, 177 events. 10/177 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 204 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 134. Up to 2 conditions per place. [2025-03-08 22:06:28,432 INFO L82 GeneralOperation]: Start removeDead. Operand has 176 places, 179 transitions, 372 flow [2025-03-08 22:06:28,437 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 158 places, 160 transitions, 332 flow [2025-03-08 22:06:28,446 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 22:06:28,458 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;@7aa0f6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 22:06:28,458 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-03-08 22:06:28,462 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-08 22:06:28,464 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2025-03-08 22:06:28,464 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-08 22:06:28,464 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:28,465 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] [2025-03-08 22:06:28,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:28,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:28,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1180340865, now seen corresponding path program 1 times [2025-03-08 22:06:28,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:28,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057454124] [2025-03-08 22:06:28,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:28,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:28,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-08 22:06:28,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-08 22:06:28,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:28,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:28,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:28,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057454124] [2025-03-08 22:06:28,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057454124] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:28,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:28,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:28,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108111315] [2025-03-08 22:06:28,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:28,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:28,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:28,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:28,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:28,685 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 179 [2025-03-08 22:06:28,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 160 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:28,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:28,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 179 [2025-03-08 22:06:28,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:28,754 INFO L124 PetriNetUnfolderBase]: 12/179 cut-off events. [2025-03-08 22:06:28,754 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2025-03-08 22:06:28,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 179 events. 12/179 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 233 event pairs, 0 based on Foata normal form. 11/160 useless extension candidates. Maximal degree in co-relation 132. Up to 24 conditions per place. [2025-03-08 22:06:28,756 INFO L140 encePairwiseOnDemand]: 156/179 looper letters, 13 selfloop transitions, 2 changer transitions 2/139 dead transitions. [2025-03-08 22:06:28,756 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 139 transitions, 320 flow [2025-03-08 22:06:28,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 456 transitions. [2025-03-08 22:06:28,766 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8491620111731844 [2025-03-08 22:06:28,767 INFO L175 Difference]: Start difference. First operand has 158 places, 160 transitions, 332 flow. Second operand 3 states and 456 transitions. [2025-03-08 22:06:28,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 139 transitions, 320 flow [2025-03-08 22:06:28,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 139 transitions, 312 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-03-08 22:06:28,774 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 282 flow [2025-03-08 22:06:28,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=282, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2025-03-08 22:06:28,778 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -19 predicate places. [2025-03-08 22:06:28,778 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 282 flow [2025-03-08 22:06:28,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:28,779 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:28,779 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] [2025-03-08 22:06:28,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 22:06:28,779 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:28,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:28,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1661666360, now seen corresponding path program 1 times [2025-03-08 22:06:28,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:28,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340668111] [2025-03-08 22:06:28,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:28,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:28,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-08 22:06:28,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-08 22:06:28,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:28,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:28,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:28,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:28,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340668111] [2025-03-08 22:06:28,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340668111] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:28,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:28,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:28,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566613699] [2025-03-08 22:06:28,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:28,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:28,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:28,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:28,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:28,856 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 179 [2025-03-08 22:06:28,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:28,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:28,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 179 [2025-03-08 22:06:28,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:28,909 INFO L124 PetriNetUnfolderBase]: 14/179 cut-off events. [2025-03-08 22:06:28,909 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 22:06:28,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 179 events. 14/179 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 231 event pairs, 3 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 186. Up to 26 conditions per place. [2025-03-08 22:06:28,911 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 11 selfloop transitions, 2 changer transitions 0/136 dead transitions. [2025-03-08 22:06:28,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 136 transitions, 306 flow [2025-03-08 22:06:28,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2025-03-08 22:06:28,912 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.819366852886406 [2025-03-08 22:06:28,913 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 282 flow. Second operand 3 states and 440 transitions. [2025-03-08 22:06:28,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 136 transitions, 306 flow [2025-03-08 22:06:28,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 136 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:28,916 INFO L231 Difference]: Finished difference. Result has 136 places, 136 transitions, 280 flow [2025-03-08 22:06:28,916 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=276, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=280, PETRI_PLACES=136, PETRI_TRANSITIONS=136} [2025-03-08 22:06:28,917 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -22 predicate places. [2025-03-08 22:06:28,917 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 136 transitions, 280 flow [2025-03-08 22:06:28,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:28,917 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:28,917 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] [2025-03-08 22:06:28,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 22:06:28,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:28,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash 132164183, now seen corresponding path program 1 times [2025-03-08 22:06:28,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:28,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472202468] [2025-03-08 22:06:28,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:28,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:28,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-08 22:06:28,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-08 22:06:28,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:28,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:28,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:28,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472202468] [2025-03-08 22:06:28,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472202468] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:28,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:28,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781097587] [2025-03-08 22:06:28,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:28,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:28,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:28,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:28,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:28,980 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 179 [2025-03-08 22:06:28,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 136 transitions, 280 flow. Second operand has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:28,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:28,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 179 [2025-03-08 22:06:28,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,015 INFO L124 PetriNetUnfolderBase]: 15/179 cut-off events. [2025-03-08 22:06:29,015 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-08 22:06:29,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 179 events. 15/179 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 266 event pairs, 2 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 178. Up to 27 conditions per place. [2025-03-08 22:06:29,016 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 11 selfloop transitions, 2 changer transitions 0/135 dead transitions. [2025-03-08 22:06:29,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 135 transitions, 304 flow [2025-03-08 22:06:29,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2025-03-08 22:06:29,018 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.819366852886406 [2025-03-08 22:06:29,018 INFO L175 Difference]: Start difference. First operand has 136 places, 136 transitions, 280 flow. Second operand 3 states and 440 transitions. [2025-03-08 22:06:29,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 135 transitions, 304 flow [2025-03-08 22:06:29,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 135 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:29,020 INFO L231 Difference]: Finished difference. Result has 135 places, 135 transitions, 278 flow [2025-03-08 22:06:29,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=135, PETRI_TRANSITIONS=135} [2025-03-08 22:06:29,022 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -23 predicate places. [2025-03-08 22:06:29,022 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 135 transitions, 278 flow [2025-03-08 22:06:29,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.33333333333334) internal successors, (430), 3 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:29,022 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] [2025-03-08 22:06:29,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 22:06:29,023 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:29,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:29,023 INFO L85 PathProgramCache]: Analyzing trace with hash 747740728, now seen corresponding path program 1 times [2025-03-08 22:06:29,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:29,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083571528] [2025-03-08 22:06:29,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:29,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 22:06:29,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 22:06:29,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:29,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:29,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:29,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:29,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083571528] [2025-03-08 22:06:29,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083571528] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:29,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:29,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:29,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710298512] [2025-03-08 22:06:29,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:29,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:29,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:29,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:29,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:29,105 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 179 [2025-03-08 22:06:29,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 135 transitions, 278 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:29,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 179 [2025-03-08 22:06:29,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,135 INFO L124 PetriNetUnfolderBase]: 17/181 cut-off events. [2025-03-08 22:06:29,135 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-08 22:06:29,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 181 events. 17/181 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 269 event pairs, 6 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 180. Up to 34 conditions per place. [2025-03-08 22:06:29,137 INFO L140 encePairwiseOnDemand]: 176/179 looper letters, 13 selfloop transitions, 2 changer transitions 0/134 dead transitions. [2025-03-08 22:06:29,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 134 transitions, 306 flow [2025-03-08 22:06:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 436 transitions. [2025-03-08 22:06:29,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8119180633147114 [2025-03-08 22:06:29,139 INFO L175 Difference]: Start difference. First operand has 135 places, 135 transitions, 278 flow. Second operand 3 states and 436 transitions. [2025-03-08 22:06:29,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 134 transitions, 306 flow [2025-03-08 22:06:29,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 134 transitions, 302 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:29,140 INFO L231 Difference]: Finished difference. Result has 134 places, 134 transitions, 276 flow [2025-03-08 22:06:29,141 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=134, PETRI_TRANSITIONS=134} [2025-03-08 22:06:29,141 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -24 predicate places. [2025-03-08 22:06:29,141 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 134 transitions, 276 flow [2025-03-08 22:06:29,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,144 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:29,144 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:29,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 22:06:29,144 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:29,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:29,144 INFO L85 PathProgramCache]: Analyzing trace with hash 843133806, now seen corresponding path program 1 times [2025-03-08 22:06:29,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:29,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835185290] [2025-03-08 22:06:29,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:29,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:29,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-08 22:06:29,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-08 22:06:29,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:29,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:29,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:29,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835185290] [2025-03-08 22:06:29,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835185290] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:29,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:29,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:29,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605917444] [2025-03-08 22:06:29,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:29,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:29,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:29,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:29,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:29,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 179 [2025-03-08 22:06:29,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 134 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:29,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 179 [2025-03-08 22:06:29,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,239 INFO L124 PetriNetUnfolderBase]: 16/198 cut-off events. [2025-03-08 22:06:29,239 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-08 22:06:29,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238 conditions, 198 events. 16/198 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 383 event pairs, 0 based on Foata normal form. 1/171 useless extension candidates. Maximal degree in co-relation 186. Up to 21 conditions per place. [2025-03-08 22:06:29,240 INFO L140 encePairwiseOnDemand]: 171/179 looper letters, 13 selfloop transitions, 3 changer transitions 4/136 dead transitions. [2025-03-08 22:06:29,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 136 transitions, 323 flow [2025-03-08 22:06:29,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 438 transitions. [2025-03-08 22:06:29,243 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8156424581005587 [2025-03-08 22:06:29,243 INFO L175 Difference]: Start difference. First operand has 134 places, 134 transitions, 276 flow. Second operand 3 states and 438 transitions. [2025-03-08 22:06:29,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 136 transitions, 323 flow [2025-03-08 22:06:29,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 136 transitions, 319 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-08 22:06:29,245 INFO L231 Difference]: Finished difference. Result has 131 places, 130 transitions, 276 flow [2025-03-08 22:06:29,245 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=276, PETRI_PLACES=131, PETRI_TRANSITIONS=130} [2025-03-08 22:06:29,248 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -27 predicate places. [2025-03-08 22:06:29,248 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 130 transitions, 276 flow [2025-03-08 22:06:29,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,248 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:29,248 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] [2025-03-08 22:06:29,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 22:06:29,248 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:29,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:29,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1497220148, now seen corresponding path program 1 times [2025-03-08 22:06:29,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:29,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916660018] [2025-03-08 22:06:29,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:29,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:29,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-08 22:06:29,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-08 22:06:29,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:29,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:29,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:29,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916660018] [2025-03-08 22:06:29,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916660018] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:29,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:29,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:29,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173464536] [2025-03-08 22:06:29,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:29,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:29,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:29,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:29,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:29,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 179 [2025-03-08 22:06:29,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 130 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:29,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 179 [2025-03-08 22:06:29,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,356 INFO L124 PetriNetUnfolderBase]: 23/206 cut-off events. [2025-03-08 22:06:29,356 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2025-03-08 22:06:29,357 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 206 events. 23/206 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 433 event pairs, 7 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 110. Up to 33 conditions per place. [2025-03-08 22:06:29,357 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 11 selfloop transitions, 4 changer transitions 0/131 dead transitions. [2025-03-08 22:06:29,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 131 transitions, 311 flow [2025-03-08 22:06:29,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 447 transitions. [2025-03-08 22:06:29,359 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8324022346368715 [2025-03-08 22:06:29,359 INFO L175 Difference]: Start difference. First operand has 131 places, 130 transitions, 276 flow. Second operand 3 states and 447 transitions. [2025-03-08 22:06:29,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 131 transitions, 311 flow [2025-03-08 22:06:29,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 131 transitions, 308 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:29,361 INFO L231 Difference]: Finished difference. Result has 129 places, 129 transitions, 285 flow [2025-03-08 22:06:29,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=269, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=285, PETRI_PLACES=129, PETRI_TRANSITIONS=129} [2025-03-08 22:06:29,363 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2025-03-08 22:06:29,364 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 129 transitions, 285 flow [2025-03-08 22:06:29,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,364 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:29,364 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] [2025-03-08 22:06:29,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 22:06:29,364 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:29,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:29,365 INFO L85 PathProgramCache]: Analyzing trace with hash -810593277, now seen corresponding path program 1 times [2025-03-08 22:06:29,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:29,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221104602] [2025-03-08 22:06:29,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:29,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:29,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-08 22:06:29,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-08 22:06:29,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:29,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:29,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:29,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221104602] [2025-03-08 22:06:29,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221104602] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:29,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:29,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:29,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616042314] [2025-03-08 22:06:29,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:29,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:29,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:29,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:29,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:29,412 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 179 [2025-03-08 22:06:29,413 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 129 transitions, 285 flow. Second operand has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,413 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:29,413 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 179 [2025-03-08 22:06:29,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,444 INFO L124 PetriNetUnfolderBase]: 32/266 cut-off events. [2025-03-08 22:06:29,444 INFO L125 PetriNetUnfolderBase]: For 110/117 co-relation queries the response was YES. [2025-03-08 22:06:29,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 266 events. 32/266 cut-off events. For 110/117 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 729 event pairs, 4 based on Foata normal form. 0/241 useless extension candidates. Maximal degree in co-relation 184. Up to 38 conditions per place. [2025-03-08 22:06:29,446 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 14 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2025-03-08 22:06:29,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 133 transitions, 342 flow [2025-03-08 22:06:29,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 449 transitions. [2025-03-08 22:06:29,447 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8361266294227188 [2025-03-08 22:06:29,447 INFO L175 Difference]: Start difference. First operand has 129 places, 129 transitions, 285 flow. Second operand 3 states and 449 transitions. [2025-03-08 22:06:29,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 133 transitions, 342 flow [2025-03-08 22:06:29,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 133 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:29,450 INFO L231 Difference]: Finished difference. Result has 129 places, 128 transitions, 293 flow [2025-03-08 22:06:29,450 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=293, PETRI_PLACES=129, PETRI_TRANSITIONS=128} [2025-03-08 22:06:29,451 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -29 predicate places. [2025-03-08 22:06:29,451 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 128 transitions, 293 flow [2025-03-08 22:06:29,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 145.0) internal successors, (435), 3 states have internal predecessors, (435), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,452 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-08 22:06:29,453 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] [2025-03-08 22:06:29,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 22:06:29,453 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2025-03-08 22:06:29,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 22:06:29,453 INFO L85 PathProgramCache]: Analyzing trace with hash 847477482, now seen corresponding path program 1 times [2025-03-08 22:06:29,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 22:06:29,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128920499] [2025-03-08 22:06:29,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 22:06:29,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 22:06:29,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-08 22:06:29,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-08 22:06:29,468 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 22:06:29,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 22:06:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 22:06:29,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 22:06:29,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128920499] [2025-03-08 22:06:29,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128920499] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 22:06:29,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 22:06:29,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-08 22:06:29,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798319885] [2025-03-08 22:06:29,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 22:06:29,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 22:06:29,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 22:06:29,493 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 22:06:29,493 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 22:06:29,514 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 179 [2025-03-08 22:06:29,515 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 128 transitions, 293 flow. Second operand has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,515 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-08 22:06:29,515 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 179 [2025-03-08 22:06:29,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-08 22:06:29,549 INFO L124 PetriNetUnfolderBase]: 50/339 cut-off events. [2025-03-08 22:06:29,549 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2025-03-08 22:06:29,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 339 events. 50/339 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1241 event pairs, 27 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 224. Up to 104 conditions per place. [2025-03-08 22:06:29,550 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2025-03-08 22:06:29,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 124 transitions, 317 flow [2025-03-08 22:06:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 22:06:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-08 22:06:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 432 transitions. [2025-03-08 22:06:29,552 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8044692737430168 [2025-03-08 22:06:29,552 INFO L175 Difference]: Start difference. First operand has 129 places, 128 transitions, 293 flow. Second operand 3 states and 432 transitions. [2025-03-08 22:06:29,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 124 transitions, 317 flow [2025-03-08 22:06:29,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 124 transitions, 313 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-08 22:06:29,553 INFO L231 Difference]: Finished difference. Result has 126 places, 0 transitions, 0 flow [2025-03-08 22:06:29,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=126, PETRI_TRANSITIONS=0} [2025-03-08 22:06:29,555 INFO L279 CegarLoopForPetriNet]: 158 programPoint places, -32 predicate places. [2025-03-08 22:06:29,555 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 0 transitions, 0 flow [2025-03-08 22:06:29,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 139.0) internal successors, (417), 3 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-03-08 22:06:29,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-03-08 22:06:29,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-03-08 22:06:29,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-03-08 22:06:29,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-03-08 22:06:29,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-03-08 22:06:29,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-03-08 22:06:29,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-03-08 22:06:29,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-03-08 22:06:29,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-03-08 22:06:29,561 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-03-08 22:06:29,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-08 22:06:29,562 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 22:06:29,566 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-08 22:06:29,566 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 22:06:29,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 10:06:29 BasicIcfg [2025-03-08 22:06:29,571 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 22:06:29,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 22:06:29,572 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 22:06:29,572 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 22:06:29,573 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 10:06:28" (3/4) ... [2025-03-08 22:06:29,574 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-08 22:06:29,575 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-03-08 22:06:29,575 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-03-08 22:06:29,580 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-08 22:06:29,581 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-03-08 22:06:29,581 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-08 22:06:29,581 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-08 22:06:29,636 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 22:06:29,636 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 22:06:29,636 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 22:06:29,637 INFO L158 Benchmark]: Toolchain (without parser) took 2062.48ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 54.6MB in the end (delta: 52.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2025-03-08 22:06:29,637 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 201.3MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:29,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.53ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 22:06:29,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.12ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 94.1MB in the end (delta: 912.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:29,637 INFO L158 Benchmark]: Boogie Preprocessor took 17.22ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 93.2MB in the end (delta: 921.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:29,637 INFO L158 Benchmark]: IcfgBuilder took 488.84ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 63.4MB in the end (delta: 29.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 22:06:29,637 INFO L158 Benchmark]: TraceAbstraction took 1276.93ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2025-03-08 22:06:29,638 INFO L158 Benchmark]: Witness Printer took 64.24ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 54.6MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 22:06:29,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 201.3MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.53ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 95.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.12ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 94.1MB in the end (delta: 912.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.22ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 93.2MB in the end (delta: 921.5kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 488.84ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 63.4MB in the end (delta: 29.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1276.93ms. Allocated memory is still 142.6MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 64.24ms. Allocated memory is still 142.6MB. Free memory was 60.4MB in the beginning and 54.6MB in the end (delta: 5.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: 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: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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 5 procedures, 212 locations, 225 edges, 54 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: 1.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 207 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 224 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 47 mSDtfsCounter, 224 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=332occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 0.3s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-08 22:06:29,652 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