./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/mult-comm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/mult-comm.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:31:48,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:31:48,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:31:48,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:31:48,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:31:48,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:31:48,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:31:48,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:31:48,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:31:48,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:31:48,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:31:48,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:31:48,609 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:31:48,610 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:31:48,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:31:48,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:31:48,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:31:48,610 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-jdk21/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 -> de93f11842753a9f5cde98724d1851736862f745073786263bfd177abe6c2376 [2025-01-09 21:31:48,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:31:48,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:31:48,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:31:48,819 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:31:48,819 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:31:48,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/mult-comm.wvr.c [2025-01-09 21:31:49,908 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/53094bb68/808d89360b354892b1a817d76ed6f15e/FLAG9cb7fd1ba [2025-01-09 21:31:50,109 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:31:50,109 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/mult-comm.wvr.c [2025-01-09 21:31:50,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/53094bb68/808d89360b354892b1a817d76ed6f15e/FLAG9cb7fd1ba [2025-01-09 21:31:50,478 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/53094bb68/808d89360b354892b1a817d76ed6f15e [2025-01-09 21:31:50,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:31:50,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:31:50,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:31:50,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:31:50,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:31:50,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f460129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50, skipping insertion in model container [2025-01-09 21:31:50,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:31:50,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:31:50,644 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:31:50,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:31:50,672 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:31:50,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50 WrapperNode [2025-01-09 21:31:50,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:31:50,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:31:50,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:31:50,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:31:50,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,700 INFO L138 Inliner]: procedures = 20, calls = 10, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2025-01-09 21:31:50,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:31:50,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:31:50,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:31:50,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:31:50,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,715 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:31:50,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:31:50,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:31:50,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:31:50,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (1/1) ... [2025-01-09 21:31:50,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:31:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:31:50,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:31:50,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:31:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:31:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:31:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:31:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-09 21:31:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-09 21:31:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:31:50,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:31:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:31:50,785 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:31:50,850 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:31:50,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:31:51,010 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:31:51,011 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:31:51,022 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:31:51,023 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-09 21:31:51,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:31:51 BoogieIcfgContainer [2025-01-09 21:31:51,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:31:51,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:31:51,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:31:51,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:31:51,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:31:50" (1/3) ... [2025-01-09 21:31:51,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40cdb9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:31:51, skipping insertion in model container [2025-01-09 21:31:51,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:31:50" (2/3) ... [2025-01-09 21:31:51,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40cdb9a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:31:51, skipping insertion in model container [2025-01-09 21:31:51,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:31:51" (3/3) ... [2025-01-09 21:31:51,031 INFO L128 eAbstractionObserver]: Analyzing ICFG mult-comm.wvr.c [2025-01-09 21:31:51,041 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:31:51,043 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-comm.wvr.c that has 3 procedures, 116 locations, 1 initial locations, 2 loop locations, and 12 error locations. [2025-01-09 21:31:51,044 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:31:51,111 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:31:51,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 120 transitions, 254 flow [2025-01-09 21:31:51,196 INFO L124 PetriNetUnfolderBase]: 5/118 cut-off events. [2025-01-09 21:31:51,200 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:31:51,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 118 events. 5/118 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 146 event pairs, 0 based on Foata normal form. 0/101 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2025-01-09 21:31:51,205 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 120 transitions, 254 flow [2025-01-09 21:31:51,210 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 101 transitions, 214 flow [2025-01-09 21:31:51,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:31:51,236 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;@64d610d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:31:51,236 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-01-09 21:31:51,244 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:31:51,244 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-01-09 21:31:51,244 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:31:51,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:51,245 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:31:51,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:51,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:51,252 INFO L85 PathProgramCache]: Analyzing trace with hash -2045147217, now seen corresponding path program 1 times [2025-01-09 21:31:51,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:51,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726730983] [2025-01-09 21:31:51,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:51,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:51,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-09 21:31:51,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-09 21:31:51,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:51,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:51,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:51,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:51,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726730983] [2025-01-09 21:31:51,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726730983] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:51,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:51,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:51,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13605647] [2025-01-09 21:31:51,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:51,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:51,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:51,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:51,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:51,405 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 120 [2025-01-09 21:31:51,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2025-01-09 21:31:51,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:51,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 120 [2025-01-09 21:31:51,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:51,439 INFO L124 PetriNetUnfolderBase]: 7/153 cut-off events. [2025-01-09 21:31:51,439 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2025-01-09 21:31:51,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 153 events. 7/153 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 382 event pairs, 3 based on Foata normal form. 3/133 useless extension candidates. Maximal degree in co-relation 99. Up to 17 conditions per place. [2025-01-09 21:31:51,441 INFO L140 encePairwiseOnDemand]: 115/120 looper letters, 9 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2025-01-09 21:31:51,441 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 98 transitions, 230 flow [2025-01-09 21:31:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:51,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:51,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 323 transitions. [2025-01-09 21:31:51,450 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8972222222222223 [2025-01-09 21:31:51,450 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 214 flow. Second operand 3 states and 323 transitions. [2025-01-09 21:31:51,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 98 transitions, 230 flow [2025-01-09 21:31:51,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 98 transitions, 222 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-09 21:31:51,456 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 204 flow [2025-01-09 21:31:51,457 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2025-01-09 21:31:51,460 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -3 predicate places. [2025-01-09 21:31:51,460 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 204 flow [2025-01-09 21:31:51,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2025-01-09 21:31:51,461 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:51,461 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:31:51,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:31:51,461 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:51,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:51,462 INFO L85 PathProgramCache]: Analyzing trace with hash -2139652586, now seen corresponding path program 1 times [2025-01-09 21:31:51,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:51,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478861006] [2025-01-09 21:31:51,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:51,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:51,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-09 21:31:51,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-09 21:31:51,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:51,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:51,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:51,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478861006] [2025-01-09 21:31:51,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478861006] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:51,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:51,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:51,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517696691] [2025-01-09 21:31:51,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:51,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:51,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:51,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:51,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:51,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 120 [2025-01-09 21:31:51,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2025-01-09 21:31:51,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:51,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 120 [2025-01-09 21:31:51,507 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:51,535 INFO L124 PetriNetUnfolderBase]: 7/149 cut-off events. [2025-01-09 21:31:51,536 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-01-09 21:31:51,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 149 events. 7/149 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 387 event pairs, 3 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 149. Up to 18 conditions per place. [2025-01-09 21:31:51,537 INFO L140 encePairwiseOnDemand]: 117/120 looper letters, 9 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2025-01-09 21:31:51,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 97 transitions, 224 flow [2025-01-09 21:31:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 321 transitions. [2025-01-09 21:31:51,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8916666666666667 [2025-01-09 21:31:51,538 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 204 flow. Second operand 3 states and 321 transitions. [2025-01-09 21:31:51,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 97 transitions, 224 flow [2025-01-09 21:31:51,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 97 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:31:51,540 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 202 flow [2025-01-09 21:31:51,540 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2025-01-09 21:31:51,541 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -4 predicate places. [2025-01-09 21:31:51,541 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 202 flow [2025-01-09 21:31:51,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2025-01-09 21:31:51,541 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:51,541 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] [2025-01-09 21:31:51,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:31:51,541 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:51,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1488204210, now seen corresponding path program 1 times [2025-01-09 21:31:51,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:51,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912943186] [2025-01-09 21:31:51,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:51,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:51,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-09 21:31:51,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-09 21:31:51,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:51,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:51,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:51,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:51,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912943186] [2025-01-09 21:31:51,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912943186] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:51,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:51,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:51,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509631979] [2025-01-09 21:31:51,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:51,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:51,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:51,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:51,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:51,633 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2025-01-09 21:31:51,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2025-01-09 21:31:51,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:51,633 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2025-01-09 21:31:51,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:51,689 INFO L124 PetriNetUnfolderBase]: 17/231 cut-off events. [2025-01-09 21:31:51,689 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-01-09 21:31:51,693 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274 conditions, 231 events. 17/231 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 797 event pairs, 4 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 240. Up to 31 conditions per place. [2025-01-09 21:31:51,694 INFO L140 encePairwiseOnDemand]: 116/120 looper letters, 10 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2025-01-09 21:31:51,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 98 transitions, 229 flow [2025-01-09 21:31:51,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:51,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:51,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 329 transitions. [2025-01-09 21:31:51,697 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9138888888888889 [2025-01-09 21:31:51,697 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 202 flow. Second operand 3 states and 329 transitions. [2025-01-09 21:31:51,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 98 transitions, 229 flow [2025-01-09 21:31:51,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 98 transitions, 225 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:31:51,699 INFO L231 Difference]: Finished difference. Result has 99 places, 97 transitions, 208 flow [2025-01-09 21:31:51,702 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=99, PETRI_TRANSITIONS=97} [2025-01-09 21:31:51,703 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -5 predicate places. [2025-01-09 21:31:51,703 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 97 transitions, 208 flow [2025-01-09 21:31:51,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2025-01-09 21:31:51,703 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:51,703 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] [2025-01-09 21:31:51,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:31:51,703 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:51,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:51,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1856073503, now seen corresponding path program 1 times [2025-01-09 21:31:51,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:51,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159725391] [2025-01-09 21:31:51,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:51,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:51,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-09 21:31:51,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-09 21:31:51,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:51,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:51,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:51,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159725391] [2025-01-09 21:31:51,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159725391] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:51,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:51,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:51,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750622588] [2025-01-09 21:31:51,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:51,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:51,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:51,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:51,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:51,754 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2025-01-09 21:31:51,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 97 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2025-01-09 21:31:51,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:51,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2025-01-09 21:31:51,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:51,779 INFO L124 PetriNetUnfolderBase]: 10/169 cut-off events. [2025-01-09 21:31:51,779 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2025-01-09 21:31:51,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 204 conditions, 169 events. 10/169 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 475 event pairs, 1 based on Foata normal form. 1/151 useless extension candidates. Maximal degree in co-relation 134. Up to 9 conditions per place. [2025-01-09 21:31:51,780 INFO L140 encePairwiseOnDemand]: 115/120 looper letters, 7 selfloop transitions, 3 changer transitions 0/96 dead transitions. [2025-01-09 21:31:51,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 96 transitions, 227 flow [2025-01-09 21:31:51,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2025-01-09 21:31:51,782 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9083333333333333 [2025-01-09 21:31:51,782 INFO L175 Difference]: Start difference. First operand has 99 places, 97 transitions, 208 flow. Second operand 3 states and 327 transitions. [2025-01-09 21:31:51,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 96 transitions, 227 flow [2025-01-09 21:31:51,783 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 96 transitions, 227 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:31:51,784 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 210 flow [2025-01-09 21:31:51,784 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2025-01-09 21:31:51,784 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -5 predicate places. [2025-01-09 21:31:51,784 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 210 flow [2025-01-09 21:31:51,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 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) [2025-01-09 21:31:51,785 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:51,785 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] [2025-01-09 21:31:51,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:31:51,785 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:51,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:51,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1275218305, now seen corresponding path program 1 times [2025-01-09 21:31:51,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:51,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570480311] [2025-01-09 21:31:51,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:51,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:51,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 21:31:51,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 21:31:51,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:51,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:51,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:51,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570480311] [2025-01-09 21:31:51,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570480311] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:51,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:51,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:51,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825867232] [2025-01-09 21:31:51,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:51,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:51,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:51,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:51,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:51,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2025-01-09 21:31:51,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2025-01-09 21:31:51,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:51,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2025-01-09 21:31:51,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:51,906 INFO L124 PetriNetUnfolderBase]: 27/242 cut-off events. [2025-01-09 21:31:51,907 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2025-01-09 21:31:51,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 242 events. 27/242 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 978 event pairs, 2 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 242. Up to 40 conditions per place. [2025-01-09 21:31:51,908 INFO L140 encePairwiseOnDemand]: 116/120 looper letters, 11 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2025-01-09 21:31:51,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 97 transitions, 242 flow [2025-01-09 21:31:51,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:51,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2025-01-09 21:31:51,909 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9166666666666666 [2025-01-09 21:31:51,909 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 210 flow. Second operand 3 states and 330 transitions. [2025-01-09 21:31:51,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 97 transitions, 242 flow [2025-01-09 21:31:51,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 97 transitions, 236 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:31:51,911 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 214 flow [2025-01-09 21:31:51,911 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=214, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2025-01-09 21:31:51,912 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -6 predicate places. [2025-01-09 21:31:51,912 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 214 flow [2025-01-09 21:31:51,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2025-01-09 21:31:51,912 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:51,912 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] [2025-01-09 21:31:51,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:31:51,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:51,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:51,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2023730684, now seen corresponding path program 1 times [2025-01-09 21:31:51,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:51,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392437844] [2025-01-09 21:31:51,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:51,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:51,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 21:31:51,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 21:31:51,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:51,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:51,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:51,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392437844] [2025-01-09 21:31:51,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392437844] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:51,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:51,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:51,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667517369] [2025-01-09 21:31:51,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:51,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:51,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:51,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:51,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:51,992 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2025-01-09 21:31:51,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2025-01-09 21:31:51,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:51,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2025-01-09 21:31:51,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:52,015 INFO L124 PetriNetUnfolderBase]: 21/242 cut-off events. [2025-01-09 21:31:52,015 INFO L125 PetriNetUnfolderBase]: For 3/4 co-relation queries the response was YES. [2025-01-09 21:31:52,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 242 events. 21/242 cut-off events. For 3/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1016 event pairs, 4 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 242. Up to 22 conditions per place. [2025-01-09 21:31:52,016 INFO L140 encePairwiseOnDemand]: 117/120 looper letters, 9 selfloop transitions, 2 changer transitions 0/95 dead transitions. [2025-01-09 21:31:52,016 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 95 transitions, 237 flow [2025-01-09 21:31:52,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:52,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 327 transitions. [2025-01-09 21:31:52,017 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9083333333333333 [2025-01-09 21:31:52,017 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 214 flow. Second operand 3 states and 327 transitions. [2025-01-09 21:31:52,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 95 transitions, 237 flow [2025-01-09 21:31:52,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 95 transitions, 237 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:31:52,019 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 216 flow [2025-01-09 21:31:52,019 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=99, PETRI_TRANSITIONS=94} [2025-01-09 21:31:52,020 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -5 predicate places. [2025-01-09 21:31:52,020 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 216 flow [2025-01-09 21:31:52,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.66666666666667) internal successors, (320), 3 states have internal predecessors, (320), 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) [2025-01-09 21:31:52,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:52,020 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] [2025-01-09 21:31:52,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:31:52,020 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:52,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:52,021 INFO L85 PathProgramCache]: Analyzing trace with hash -188572373, now seen corresponding path program 1 times [2025-01-09 21:31:52,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:52,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886838346] [2025-01-09 21:31:52,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:52,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:52,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-09 21:31:52,030 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-09 21:31:52,030 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:52,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:52,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:52,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886838346] [2025-01-09 21:31:52,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886838346] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:52,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:52,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:52,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982915201] [2025-01-09 21:31:52,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:52,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:52,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:52,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:52,085 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2025-01-09 21:31:52,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2025-01-09 21:31:52,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:52,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2025-01-09 21:31:52,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:52,105 INFO L124 PetriNetUnfolderBase]: 21/175 cut-off events. [2025-01-09 21:31:52,105 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2025-01-09 21:31:52,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 175 events. 21/175 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 547 event pairs, 1 based on Foata normal form. 1/163 useless extension candidates. Maximal degree in co-relation 199. Up to 19 conditions per place. [2025-01-09 21:31:52,106 INFO L140 encePairwiseOnDemand]: 115/120 looper letters, 5 selfloop transitions, 2 changer transitions 4/93 dead transitions. [2025-01-09 21:31:52,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 93 transitions, 233 flow [2025-01-09 21:31:52,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:52,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2025-01-09 21:31:52,107 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9055555555555556 [2025-01-09 21:31:52,107 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 216 flow. Second operand 3 states and 326 transitions. [2025-01-09 21:31:52,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 93 transitions, 233 flow [2025-01-09 21:31:52,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 93 transitions, 229 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:31:52,109 INFO L231 Difference]: Finished difference. Result has 97 places, 88 transitions, 203 flow [2025-01-09 21:31:52,109 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=203, PETRI_PLACES=97, PETRI_TRANSITIONS=88} [2025-01-09 21:31:52,109 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -7 predicate places. [2025-01-09 21:31:52,109 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 88 transitions, 203 flow [2025-01-09 21:31:52,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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) [2025-01-09 21:31:52,110 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:31:52,110 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] [2025-01-09 21:31:52,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:31:52,110 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-01-09 21:31:52,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:31:52,110 INFO L85 PathProgramCache]: Analyzing trace with hash 940204240, now seen corresponding path program 1 times [2025-01-09 21:31:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:31:52,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562427478] [2025-01-09 21:31:52,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:31:52,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:31:52,138 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-09 21:31:52,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-09 21:31:52,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:31:52,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:31:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:31:52,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:31:52,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562427478] [2025-01-09 21:31:52,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562427478] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:31:52,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:31:52,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:31:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894717756] [2025-01-09 21:31:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:31:52,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:31:52,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:31:52,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:31:52,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:31:52,181 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 120 [2025-01-09 21:31:52,182 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 88 transitions, 203 flow. Second operand has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2025-01-09 21:31:52,182 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:31:52,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 120 [2025-01-09 21:31:52,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:31:52,197 INFO L124 PetriNetUnfolderBase]: 19/174 cut-off events. [2025-01-09 21:31:52,197 INFO L125 PetriNetUnfolderBase]: For 17/18 co-relation queries the response was YES. [2025-01-09 21:31:52,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 174 events. 19/174 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 489 event pairs, 3 based on Foata normal form. 0/164 useless extension candidates. Maximal degree in co-relation 174. Up to 25 conditions per place. [2025-01-09 21:31:52,197 INFO L140 encePairwiseOnDemand]: 117/120 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2025-01-09 21:31:52,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 88 transitions, 222 flow [2025-01-09 21:31:52,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:31:52,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:31:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 325 transitions. [2025-01-09 21:31:52,198 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2025-01-09 21:31:52,199 INFO L175 Difference]: Start difference. First operand has 97 places, 88 transitions, 203 flow. Second operand 3 states and 325 transitions. [2025-01-09 21:31:52,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 88 transitions, 222 flow [2025-01-09 21:31:52,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 88 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:31:52,199 INFO L231 Difference]: Finished difference. Result has 92 places, 0 transitions, 0 flow [2025-01-09 21:31:52,200 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=92, PETRI_TRANSITIONS=0} [2025-01-09 21:31:52,200 INFO L279 CegarLoopForPetriNet]: 104 programPoint places, -12 predicate places. [2025-01-09 21:31:52,200 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 0 transitions, 0 flow [2025-01-09 21:31:52,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.0) internal successors, (321), 3 states have internal predecessors, (321), 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) [2025-01-09 21:31:52,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 22 remaining) [2025-01-09 21:31:52,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 22 remaining) [2025-01-09 21:31:52,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 22 remaining) [2025-01-09 21:31:52,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 22 remaining) [2025-01-09 21:31:52,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 21:31:52,204 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:31:52,207 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:31:52,207 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:31:52,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:31:52 BasicIcfg [2025-01-09 21:31:52,210 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:31:52,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:31:52,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:31:52,210 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:31:52,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:31:51" (3/4) ... [2025-01-09 21:31:52,212 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:31:52,213 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:31:52,213 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-09 21:31:52,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-01-09 21:31:52,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 21:31:52,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:31:52,216 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:31:52,265 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:31:52,265 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:31:52,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:31:52,265 INFO L158 Benchmark]: Toolchain (without parser) took 1782.47ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 88.4MB in the end (delta: 16.7MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2025-01-09 21:31:52,265 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:31:52,266 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.75ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 93.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:31:52,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.90ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:31:52,266 INFO L158 Benchmark]: Boogie Preprocessor took 24.94ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 166.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:31:52,266 INFO L158 Benchmark]: RCFGBuilder took 295.75ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 78.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-09 21:31:52,266 INFO L158 Benchmark]: TraceAbstraction took 1185.20ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 94.1MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:31:52,266 INFO L158 Benchmark]: Witness Printer took 54.60ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 88.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:31:52,267 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 127.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.75ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 93.4MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.90ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.94ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 92.2MB in the end (delta: 166.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.75ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 78.7MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1185.20ms. Allocated memory is still 142.6MB. Free memory was 77.6MB in the beginning and 94.1MB in the end (delta: -16.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 54.60ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 88.4MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 168 locations, 22 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: 1.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 28 mSDtfsCounter, 161 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=216occurred in iteration=6, 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, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:31:52,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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