./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:56:01,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:56:01,759 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:56:01,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:56:01,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:56:01,788 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:56:01,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:56:01,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:56:01,789 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:56:01,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:56:01,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:56:01,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:56:01,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:56:01,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:56:01,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:56:01,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:56:01,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:56:01,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:56:01,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:56:01,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:56:01,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:56:01,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:56:01,811 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:56:01,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:56:01,811 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:56:01,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:56:01,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:56:01,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:56:01,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:56:01,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:56:01,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:56:01,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:56:01,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:56:01,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:56:01,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:56:01,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:56:01,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:56:01,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:56:01,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:56:01,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:56:01,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:56:01,816 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2024-11-20 13:56:02,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:56:02,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:56:02,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:56:02,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:56:02,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:56:02,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2024-11-20 13:56:03,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:56:03,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:56:03,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2024-11-20 13:56:03,411 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72a8637e/b4694ab5d4934c1797f08044213c5ac6/FLAGf9d337121 [2024-11-20 13:56:03,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b72a8637e/b4694ab5d4934c1797f08044213c5ac6 [2024-11-20 13:56:03,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:56:03,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:56:03,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:56:03,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:56:03,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:56:03,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d30c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03, skipping insertion in model container [2024-11-20 13:56:03,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,464 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:56:03,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:56:03,664 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:56:03,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:56:03,724 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:56:03,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03 WrapperNode [2024-11-20 13:56:03,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:56:03,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:56:03,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:56:03,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:56:03,731 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,770 INFO L138 Inliner]: procedures = 25, calls = 54, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 466 [2024-11-20 13:56:03,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:56:03,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:56:03,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:56:03,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:56:03,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,792 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,792 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:56:03,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:56:03,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:56:03,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:56:03,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (1/1) ... [2024-11-20 13:56:03,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:56:03,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:56:03,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 13:56:03,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 13:56:03,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:56:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-20 13:56:03,886 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-20 13:56:03,886 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-20 13:56:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-20 13:56:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-20 13:56:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-20 13:56:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-20 13:56:03,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-20 13:56:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:56:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:56:03,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 13:56:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 13:56:03,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 13:56:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:56:03,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:56:03,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:56:03,890 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:56:03,978 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:56:03,979 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:56:04,491 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:56:04,491 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:56:04,815 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:56:04,816 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-20 13:56:04,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:56:04 BoogieIcfgContainer [2024-11-20 13:56:04,816 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:56:04,818 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:56:04,818 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:56:04,820 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:56:04,820 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:56:03" (1/3) ... [2024-11-20 13:56:04,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122b534d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:56:04, skipping insertion in model container [2024-11-20 13:56:04,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:56:03" (2/3) ... [2024-11-20 13:56:04,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122b534d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:56:04, skipping insertion in model container [2024-11-20 13:56:04,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:56:04" (3/3) ... [2024-11-20 13:56:04,822 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-11-20 13:56:04,835 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:56:04,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-11-20 13:56:04,835 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:56:04,929 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-20 13:56:04,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 374 transitions, 776 flow [2024-11-20 13:56:05,111 INFO L124 PetriNetUnfolderBase]: 18/370 cut-off events. [2024-11-20 13:56:05,111 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 13:56:05,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 387 conditions, 370 events. 18/370 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 508 event pairs, 0 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 343. Up to 3 conditions per place. [2024-11-20 13:56:05,118 INFO L82 GeneralOperation]: Start removeDead. Operand has 369 places, 374 transitions, 776 flow [2024-11-20 13:56:05,124 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 349 places, 353 transitions, 730 flow [2024-11-20 13:56:05,132 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:56:05,138 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;@6cb10c8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:56:05,138 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2024-11-20 13:56:05,147 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:56:05,148 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-11-20 13:56:05,148 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:56:05,148 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:05,149 INFO L204 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] [2024-11-20 13:56:05,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:05,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:05,154 INFO L85 PathProgramCache]: Analyzing trace with hash 556877122, now seen corresponding path program 1 times [2024-11-20 13:56:05,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:05,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543576103] [2024-11-20 13:56:05,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:05,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:05,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:05,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543576103] [2024-11-20 13:56:05,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543576103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:05,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:05,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:05,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874137058] [2024-11-20 13:56:05,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:05,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:05,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:05,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:05,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:05,396 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 374 [2024-11-20 13:56:05,400 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 353 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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) [2024-11-20 13:56:05,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:05,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 374 [2024-11-20 13:56:05,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:05,751 INFO L124 PetriNetUnfolderBase]: 752/1727 cut-off events. [2024-11-20 13:56:05,751 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2024-11-20 13:56:05,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3048 conditions, 1727 events. 752/1727 cut-off events. For 256/256 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 9816 event pairs, 600 based on Foata normal form. 204/1779 useless extension candidates. Maximal degree in co-relation 2698. Up to 1053 conditions per place. [2024-11-20 13:56:05,767 INFO L140 encePairwiseOnDemand]: 312/374 looper letters, 26 selfloop transitions, 2 changer transitions 6/293 dead transitions. [2024-11-20 13:56:05,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 293 transitions, 666 flow [2024-11-20 13:56:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:05,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-11-20 13:56:05,780 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351158645276292 [2024-11-20 13:56:05,781 INFO L175 Difference]: Start difference. First operand has 349 places, 353 transitions, 730 flow. Second operand 3 states and 937 transitions. [2024-11-20 13:56:05,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 293 transitions, 666 flow [2024-11-20 13:56:05,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 293 transitions, 650 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-20 13:56:05,789 INFO L231 Difference]: Finished difference. Result has 294 places, 287 transitions, 586 flow [2024-11-20 13:56:05,791 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=594, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=586, PETRI_PLACES=294, PETRI_TRANSITIONS=287} [2024-11-20 13:56:05,794 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -55 predicate places. [2024-11-20 13:56:05,794 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 287 transitions, 586 flow [2024-11-20 13:56:05,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.3333333333333) internal successors, (853), 3 states have internal predecessors, (853), 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) [2024-11-20 13:56:05,795 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:05,795 INFO L204 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] [2024-11-20 13:56:05,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:56:05,795 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:05,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:05,796 INFO L85 PathProgramCache]: Analyzing trace with hash -217242735, now seen corresponding path program 1 times [2024-11-20 13:56:05,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:05,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334835916] [2024-11-20 13:56:05,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:05,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:05,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:05,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:05,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334835916] [2024-11-20 13:56:05,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334835916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:05,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:05,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:05,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897138719] [2024-11-20 13:56:05,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:05,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:05,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:05,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:05,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:05,880 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 374 [2024-11-20 13:56:05,882 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 287 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 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) [2024-11-20 13:56:05,882 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:05,882 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 374 [2024-11-20 13:56:05,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:06,180 INFO L124 PetriNetUnfolderBase]: 923/1998 cut-off events. [2024-11-20 13:56:06,180 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-20 13:56:06,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3423 conditions, 1998 events. 923/1998 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 11720 event pairs, 743 based on Foata normal form. 0/1850 useless extension candidates. Maximal degree in co-relation 3385. Up to 1288 conditions per place. [2024-11-20 13:56:06,244 INFO L140 encePairwiseOnDemand]: 370/374 looper letters, 26 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-11-20 13:56:06,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 284 transitions, 634 flow [2024-11-20 13:56:06,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:06,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:06,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 879 transitions. [2024-11-20 13:56:06,246 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7834224598930482 [2024-11-20 13:56:06,246 INFO L175 Difference]: Start difference. First operand has 294 places, 287 transitions, 586 flow. Second operand 3 states and 879 transitions. [2024-11-20 13:56:06,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 284 transitions, 634 flow [2024-11-20 13:56:06,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 284 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:06,251 INFO L231 Difference]: Finished difference. Result has 285 places, 284 transitions, 578 flow [2024-11-20 13:56:06,252 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=578, PETRI_PLACES=285, PETRI_TRANSITIONS=284} [2024-11-20 13:56:06,252 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -64 predicate places. [2024-11-20 13:56:06,253 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 284 transitions, 578 flow [2024-11-20 13:56:06,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 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) [2024-11-20 13:56:06,253 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:06,254 INFO L204 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] [2024-11-20 13:56:06,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:56:06,254 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:06,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:06,256 INFO L85 PathProgramCache]: Analyzing trace with hash -2055433511, now seen corresponding path program 1 times [2024-11-20 13:56:06,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:06,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031284919] [2024-11-20 13:56:06,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:06,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:06,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:06,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031284919] [2024-11-20 13:56:06,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031284919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:06,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:06,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:06,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446771213] [2024-11-20 13:56:06,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:06,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:06,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:06,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:06,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:06,327 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-20 13:56:06,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 284 transitions, 578 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:06,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:06,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-20 13:56:06,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:06,564 INFO L124 PetriNetUnfolderBase]: 565/1385 cut-off events. [2024-11-20 13:56:06,565 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-20 13:56:06,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2284 conditions, 1385 events. 565/1385 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7545 event pairs, 457 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 2246. Up to 815 conditions per place. [2024-11-20 13:56:06,572 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-20 13:56:06,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 283 transitions, 628 flow [2024-11-20 13:56:06,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:06,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:06,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-20 13:56:06,574 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-20 13:56:06,575 INFO L175 Difference]: Start difference. First operand has 285 places, 284 transitions, 578 flow. Second operand 3 states and 882 transitions. [2024-11-20 13:56:06,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 283 transitions, 628 flow [2024-11-20 13:56:06,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 283 transitions, 627 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:56:06,579 INFO L231 Difference]: Finished difference. Result has 285 places, 283 transitions, 579 flow [2024-11-20 13:56:06,580 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=283, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=285, PETRI_TRANSITIONS=283} [2024-11-20 13:56:06,581 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -64 predicate places. [2024-11-20 13:56:06,581 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 283 transitions, 579 flow [2024-11-20 13:56:06,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:06,582 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:06,582 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:06,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:56:06,582 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:06,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:06,583 INFO L85 PathProgramCache]: Analyzing trace with hash 852732388, now seen corresponding path program 1 times [2024-11-20 13:56:06,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:06,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910450328] [2024-11-20 13:56:06,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:06,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:06,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:06,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910450328] [2024-11-20 13:56:06,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910450328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:06,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:06,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:06,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905006189] [2024-11-20 13:56:06,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:06,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:06,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:06,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:06,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:06,659 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-20 13:56:06,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 285 places, 283 transitions, 579 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:06,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:06,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-20 13:56:06,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:06,907 INFO L124 PetriNetUnfolderBase]: 565/1384 cut-off events. [2024-11-20 13:56:06,908 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-20 13:56:06,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2285 conditions, 1384 events. 565/1384 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7521 event pairs, 457 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 2247. Up to 815 conditions per place. [2024-11-20 13:56:06,917 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-11-20 13:56:06,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 282 transitions, 629 flow [2024-11-20 13:56:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-20 13:56:06,919 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-20 13:56:06,919 INFO L175 Difference]: Start difference. First operand has 285 places, 283 transitions, 579 flow. Second operand 3 states and 882 transitions. [2024-11-20 13:56:06,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 282 transitions, 629 flow [2024-11-20 13:56:06,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 282 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:06,924 INFO L231 Difference]: Finished difference. Result has 284 places, 282 transitions, 577 flow [2024-11-20 13:56:06,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=280, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=284, PETRI_TRANSITIONS=282} [2024-11-20 13:56:06,925 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -65 predicate places. [2024-11-20 13:56:06,925 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 282 transitions, 577 flow [2024-11-20 13:56:06,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:06,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:06,926 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:06,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:56:06,926 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:06,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:06,927 INFO L85 PathProgramCache]: Analyzing trace with hash -724619586, now seen corresponding path program 1 times [2024-11-20 13:56:06,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:06,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103560352] [2024-11-20 13:56:06,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:06,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:06,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:06,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:06,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103560352] [2024-11-20 13:56:06,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103560352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:06,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:06,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:06,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932604400] [2024-11-20 13:56:06,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:06,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:06,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:06,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:06,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:06,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-20 13:56:06,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 284 places, 282 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:06,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:06,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-20 13:56:06,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:07,133 INFO L124 PetriNetUnfolderBase]: 565/1383 cut-off events. [2024-11-20 13:56:07,133 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-20 13:56:07,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2284 conditions, 1383 events. 565/1383 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7521 event pairs, 457 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 2246. Up to 815 conditions per place. [2024-11-20 13:56:07,140 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-11-20 13:56:07,140 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 281 transitions, 627 flow [2024-11-20 13:56:07,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:07,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-20 13:56:07,142 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-20 13:56:07,143 INFO L175 Difference]: Start difference. First operand has 284 places, 282 transitions, 577 flow. Second operand 3 states and 882 transitions. [2024-11-20 13:56:07,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 281 transitions, 627 flow [2024-11-20 13:56:07,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 281 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:07,147 INFO L231 Difference]: Finished difference. Result has 283 places, 281 transitions, 575 flow [2024-11-20 13:56:07,147 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=281, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=283, PETRI_TRANSITIONS=281} [2024-11-20 13:56:07,148 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -66 predicate places. [2024-11-20 13:56:07,148 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 281 transitions, 575 flow [2024-11-20 13:56:07,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:07,149 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:07,149 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:07,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:56:07,149 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:07,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:07,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1794571893, now seen corresponding path program 1 times [2024-11-20 13:56:07,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:07,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842535061] [2024-11-20 13:56:07,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:07,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:07,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:07,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:07,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842535061] [2024-11-20 13:56:07,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842535061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:07,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:07,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:07,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492943305] [2024-11-20 13:56:07,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:07,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:07,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:07,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:07,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:07,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-20 13:56:07,198 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 281 transitions, 575 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:07,198 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:07,198 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-20 13:56:07,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:07,366 INFO L124 PetriNetUnfolderBase]: 565/1382 cut-off events. [2024-11-20 13:56:07,366 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-11-20 13:56:07,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2283 conditions, 1382 events. 565/1382 cut-off events. For 51/51 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 7586 event pairs, 457 based on Foata normal form. 0/1292 useless extension candidates. Maximal degree in co-relation 2245. Up to 815 conditions per place. [2024-11-20 13:56:07,374 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-11-20 13:56:07,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 280 transitions, 625 flow [2024-11-20 13:56:07,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-20 13:56:07,377 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-20 13:56:07,377 INFO L175 Difference]: Start difference. First operand has 283 places, 281 transitions, 575 flow. Second operand 3 states and 882 transitions. [2024-11-20 13:56:07,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 280 transitions, 625 flow [2024-11-20 13:56:07,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 280 transitions, 621 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:07,382 INFO L231 Difference]: Finished difference. Result has 282 places, 280 transitions, 573 flow [2024-11-20 13:56:07,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=280, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=278, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=573, PETRI_PLACES=282, PETRI_TRANSITIONS=280} [2024-11-20 13:56:07,384 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-20 13:56:07,385 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 280 transitions, 573 flow [2024-11-20 13:56:07,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:07,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:07,386 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:07,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:56:07,386 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:07,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:07,386 INFO L85 PathProgramCache]: Analyzing trace with hash 75497449, now seen corresponding path program 1 times [2024-11-20 13:56:07,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:07,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007660876] [2024-11-20 13:56:07,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:07,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:07,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:07,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:07,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007660876] [2024-11-20 13:56:07,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007660876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:07,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:07,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:07,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112062859] [2024-11-20 13:56:07,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:07,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:07,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:07,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:07,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:07,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-20 13:56:07,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 280 transitions, 573 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:07,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:07,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-20 13:56:07,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:07,660 INFO L124 PetriNetUnfolderBase]: 687/1785 cut-off events. [2024-11-20 13:56:07,660 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-11-20 13:56:07,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2878 conditions, 1785 events. 687/1785 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 11118 event pairs, 418 based on Foata normal form. 0/1635 useless extension candidates. Maximal degree in co-relation 2841. Up to 697 conditions per place. [2024-11-20 13:56:07,675 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 35 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-20 13:56:07,675 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 293 transitions, 679 flow [2024-11-20 13:56:07,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-20 13:56:07,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065953654188949 [2024-11-20 13:56:07,677 INFO L175 Difference]: Start difference. First operand has 282 places, 280 transitions, 573 flow. Second operand 3 states and 905 transitions. [2024-11-20 13:56:07,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 293 transitions, 679 flow [2024-11-20 13:56:07,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 293 transitions, 675 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:07,682 INFO L231 Difference]: Finished difference. Result has 282 places, 280 transitions, 577 flow [2024-11-20 13:56:07,682 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=282, PETRI_TRANSITIONS=280} [2024-11-20 13:56:07,683 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-20 13:56:07,683 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 280 transitions, 577 flow [2024-11-20 13:56:07,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:07,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:07,684 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:07,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:56:07,684 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:07,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:07,685 INFO L85 PathProgramCache]: Analyzing trace with hash -979615985, now seen corresponding path program 1 times [2024-11-20 13:56:07,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:07,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866512948] [2024-11-20 13:56:07,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:07,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:07,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:07,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866512948] [2024-11-20 13:56:07,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866512948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:07,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:07,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:07,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871445765] [2024-11-20 13:56:07,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:07,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:07,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:07,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:07,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:07,729 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-20 13:56:07,730 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 280 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:07,730 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:07,730 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-20 13:56:07,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:07,924 INFO L124 PetriNetUnfolderBase]: 687/1688 cut-off events. [2024-11-20 13:56:07,924 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2024-11-20 13:56:07,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2924 conditions, 1688 events. 687/1688 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10141 event pairs, 566 based on Foata normal form. 0/1571 useless extension candidates. Maximal degree in co-relation 2885. Up to 994 conditions per place. [2024-11-20 13:56:07,931 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-11-20 13:56:07,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 279 transitions, 627 flow [2024-11-20 13:56:07,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-20 13:56:07,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-20 13:56:07,933 INFO L175 Difference]: Start difference. First operand has 282 places, 280 transitions, 577 flow. Second operand 3 states and 884 transitions. [2024-11-20 13:56:07,933 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 279 transitions, 627 flow [2024-11-20 13:56:07,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 279 transitions, 625 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:56:07,936 INFO L231 Difference]: Finished difference. Result has 282 places, 279 transitions, 577 flow [2024-11-20 13:56:07,937 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=577, PETRI_PLACES=282, PETRI_TRANSITIONS=279} [2024-11-20 13:56:07,937 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-20 13:56:07,937 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 279 transitions, 577 flow [2024-11-20 13:56:07,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:07,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:07,938 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:07,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:56:07,938 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:07,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:07,939 INFO L85 PathProgramCache]: Analyzing trace with hash 564200169, now seen corresponding path program 1 times [2024-11-20 13:56:07,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:07,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152735944] [2024-11-20 13:56:07,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:07,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:07,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:07,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:07,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152735944] [2024-11-20 13:56:07,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152735944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:07,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:07,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:07,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181132068] [2024-11-20 13:56:07,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:07,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:07,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:07,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:07,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:07,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-20 13:56:07,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 279 transitions, 577 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:07,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:07,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-20 13:56:07,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:08,215 INFO L124 PetriNetUnfolderBase]: 851/2155 cut-off events. [2024-11-20 13:56:08,215 INFO L125 PetriNetUnfolderBase]: For 206/206 co-relation queries the response was YES. [2024-11-20 13:56:08,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3624 conditions, 2155 events. 851/2155 cut-off events. For 206/206 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 14496 event pairs, 264 based on Foata normal form. 0/1975 useless extension candidates. Maximal degree in co-relation 3586. Up to 776 conditions per place. [2024-11-20 13:56:08,226 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 37 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-11-20 13:56:08,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 293 transitions, 692 flow [2024-11-20 13:56:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:08,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-11-20 13:56:08,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065953654188949 [2024-11-20 13:56:08,228 INFO L175 Difference]: Start difference. First operand has 282 places, 279 transitions, 577 flow. Second operand 3 states and 905 transitions. [2024-11-20 13:56:08,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 293 transitions, 692 flow [2024-11-20 13:56:08,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 293 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:08,232 INFO L231 Difference]: Finished difference. Result has 282 places, 279 transitions, 581 flow [2024-11-20 13:56:08,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=282, PETRI_TRANSITIONS=279} [2024-11-20 13:56:08,232 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-20 13:56:08,233 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 279 transitions, 581 flow [2024-11-20 13:56:08,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:08,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:08,233 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:08,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:56:08,234 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:08,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:08,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1803662583, now seen corresponding path program 1 times [2024-11-20 13:56:08,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:08,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808123453] [2024-11-20 13:56:08,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:08,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:08,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:08,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808123453] [2024-11-20 13:56:08,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808123453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:08,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:08,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:08,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070344761] [2024-11-20 13:56:08,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:08,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:08,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:08,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:08,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:08,268 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-20 13:56:08,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 279 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:08,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:08,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-20 13:56:08,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:08,491 INFO L124 PetriNetUnfolderBase]: 851/2198 cut-off events. [2024-11-20 13:56:08,492 INFO L125 PetriNetUnfolderBase]: For 349/349 co-relation queries the response was YES. [2024-11-20 13:56:08,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3879 conditions, 2198 events. 851/2198 cut-off events. For 349/349 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15154 event pairs, 719 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 3839. Up to 1234 conditions per place. [2024-11-20 13:56:08,504 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/278 dead transitions. [2024-11-20 13:56:08,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 278 transitions, 633 flow [2024-11-20 13:56:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:08,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:08,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-20 13:56:08,506 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-20 13:56:08,506 INFO L175 Difference]: Start difference. First operand has 282 places, 279 transitions, 581 flow. Second operand 3 states and 884 transitions. [2024-11-20 13:56:08,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 278 transitions, 633 flow [2024-11-20 13:56:08,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 278 transitions, 631 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:56:08,510 INFO L231 Difference]: Finished difference. Result has 282 places, 278 transitions, 581 flow [2024-11-20 13:56:08,511 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=577, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=276, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=581, PETRI_PLACES=282, PETRI_TRANSITIONS=278} [2024-11-20 13:56:08,511 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-20 13:56:08,512 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 278 transitions, 581 flow [2024-11-20 13:56:08,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:08,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:08,512 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:08,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:56:08,513 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:08,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:08,514 INFO L85 PathProgramCache]: Analyzing trace with hash -439095779, now seen corresponding path program 1 times [2024-11-20 13:56:08,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:08,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351322665] [2024-11-20 13:56:08,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:08,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:08,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351322665] [2024-11-20 13:56:08,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351322665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:08,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:08,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:08,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999406477] [2024-11-20 13:56:08,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:08,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:08,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:08,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:08,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:08,564 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-11-20 13:56:08,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 278 transitions, 581 flow. Second operand has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:08,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:08,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-11-20 13:56:08,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:08,780 INFO L124 PetriNetUnfolderBase]: 851/2197 cut-off events. [2024-11-20 13:56:08,781 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-20 13:56:08,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3814 conditions, 2197 events. 851/2197 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15086 event pairs, 719 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 3774. Up to 1238 conditions per place. [2024-11-20 13:56:08,793 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 26 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2024-11-20 13:56:08,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 277 transitions, 635 flow [2024-11-20 13:56:08,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:08,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:08,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-11-20 13:56:08,795 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-11-20 13:56:08,796 INFO L175 Difference]: Start difference. First operand has 282 places, 278 transitions, 581 flow. Second operand 3 states and 882 transitions. [2024-11-20 13:56:08,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 277 transitions, 635 flow [2024-11-20 13:56:08,797 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 277 transitions, 631 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:08,799 INFO L231 Difference]: Finished difference. Result has 281 places, 277 transitions, 579 flow [2024-11-20 13:56:08,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=281, PETRI_TRANSITIONS=277} [2024-11-20 13:56:08,800 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -68 predicate places. [2024-11-20 13:56:08,800 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 277 transitions, 579 flow [2024-11-20 13:56:08,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 286.3333333333333) internal successors, (859), 3 states have internal predecessors, (859), 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) [2024-11-20 13:56:08,801 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:08,801 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:08,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:56:08,801 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:08,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:08,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1369483931, now seen corresponding path program 1 times [2024-11-20 13:56:08,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:08,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659353006] [2024-11-20 13:56:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:08,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:08,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659353006] [2024-11-20 13:56:08,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659353006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:08,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:08,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:08,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436436167] [2024-11-20 13:56:08,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:08,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:08,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:08,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:08,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:08,841 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-20 13:56:08,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 277 transitions, 579 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:08,842 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:08,842 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-20 13:56:08,842 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:09,112 INFO L124 PetriNetUnfolderBase]: 851/2196 cut-off events. [2024-11-20 13:56:09,112 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-20 13:56:09,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3807 conditions, 2196 events. 851/2196 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15149 event pairs, 719 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 3768. Up to 1232 conditions per place. [2024-11-20 13:56:09,131 INFO L140 encePairwiseOnDemand]: 372/374 looper letters, 24 selfloop transitions, 1 changer transitions 0/276 dead transitions. [2024-11-20 13:56:09,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 276 transitions, 627 flow [2024-11-20 13:56:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:09,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-20 13:56:09,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2024-11-20 13:56:09,135 INFO L175 Difference]: Start difference. First operand has 281 places, 277 transitions, 579 flow. Second operand 3 states and 891 transitions. [2024-11-20 13:56:09,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 276 transitions, 627 flow [2024-11-20 13:56:09,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 276 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:09,141 INFO L231 Difference]: Finished difference. Result has 280 places, 276 transitions, 575 flow [2024-11-20 13:56:09,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=278, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=575, PETRI_PLACES=280, PETRI_TRANSITIONS=276} [2024-11-20 13:56:09,141 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -69 predicate places. [2024-11-20 13:56:09,142 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 276 transitions, 575 flow [2024-11-20 13:56:09,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:09,142 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:09,142 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:09,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:56:09,142 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:09,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1236666305, now seen corresponding path program 1 times [2024-11-20 13:56:09,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:09,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292389403] [2024-11-20 13:56:09,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:09,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:09,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:09,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292389403] [2024-11-20 13:56:09,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292389403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:09,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:09,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:56:09,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93400582] [2024-11-20 13:56:09,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:09,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:56:09,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:09,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:56:09,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:56:09,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 374 [2024-11-20 13:56:09,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 276 transitions, 575 flow. Second operand has 6 states, 6 states have (on average 266.5) internal successors, (1599), 6 states have internal predecessors, (1599), 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) [2024-11-20 13:56:09,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:09,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 374 [2024-11-20 13:56:09,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:09,939 INFO L124 PetriNetUnfolderBase]: 851/2194 cut-off events. [2024-11-20 13:56:09,940 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-20 13:56:09,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3827 conditions, 2194 events. 851/2194 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15116 event pairs, 719 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 3788. Up to 1247 conditions per place. [2024-11-20 13:56:09,949 INFO L140 encePairwiseOnDemand]: 362/374 looper letters, 38 selfloop transitions, 10 changer transitions 0/274 dead transitions. [2024-11-20 13:56:09,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 274 transitions, 667 flow [2024-11-20 13:56:09,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:56:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:56:09,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1638 transitions. [2024-11-20 13:56:09,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7299465240641712 [2024-11-20 13:56:09,952 INFO L175 Difference]: Start difference. First operand has 280 places, 276 transitions, 575 flow. Second operand 6 states and 1638 transitions. [2024-11-20 13:56:09,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 274 transitions, 667 flow [2024-11-20 13:56:09,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 274 transitions, 666 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:56:09,955 INFO L231 Difference]: Finished difference. Result has 282 places, 274 transitions, 590 flow [2024-11-20 13:56:09,955 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=264, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=590, PETRI_PLACES=282, PETRI_TRANSITIONS=274} [2024-11-20 13:56:09,956 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-11-20 13:56:09,956 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 274 transitions, 590 flow [2024-11-20 13:56:09,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 266.5) internal successors, (1599), 6 states have internal predecessors, (1599), 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) [2024-11-20 13:56:09,957 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:09,957 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:09,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:56:09,957 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:09,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:09,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1123432265, now seen corresponding path program 1 times [2024-11-20 13:56:09,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:09,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658911619] [2024-11-20 13:56:09,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:09,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:09,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:09,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658911619] [2024-11-20 13:56:09,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658911619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:09,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:09,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:09,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431620818] [2024-11-20 13:56:09,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:09,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:09,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:09,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:09,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:09,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-20 13:56:09,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 274 transitions, 590 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:09,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:09,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-20 13:56:09,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:10,215 INFO L124 PetriNetUnfolderBase]: 851/2193 cut-off events. [2024-11-20 13:56:10,215 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-20 13:56:10,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3815 conditions, 2193 events. 851/2193 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15119 event pairs, 719 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 3780. Up to 1234 conditions per place. [2024-11-20 13:56:10,226 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2024-11-20 13:56:10,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 273 transitions, 642 flow [2024-11-20 13:56:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-20 13:56:10,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-20 13:56:10,229 INFO L175 Difference]: Start difference. First operand has 282 places, 274 transitions, 590 flow. Second operand 3 states and 884 transitions. [2024-11-20 13:56:10,229 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 273 transitions, 642 flow [2024-11-20 13:56:10,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 273 transitions, 622 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-20 13:56:10,232 INFO L231 Difference]: Finished difference. Result has 278 places, 273 transitions, 572 flow [2024-11-20 13:56:10,232 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=568, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=572, PETRI_PLACES=278, PETRI_TRANSITIONS=273} [2024-11-20 13:56:10,232 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -71 predicate places. [2024-11-20 13:56:10,233 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 273 transitions, 572 flow [2024-11-20 13:56:10,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:10,233 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:10,233 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:10,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:56:10,234 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:10,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:10,234 INFO L85 PathProgramCache]: Analyzing trace with hash 526609753, now seen corresponding path program 1 times [2024-11-20 13:56:10,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:10,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784653918] [2024-11-20 13:56:10,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:10,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:10,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:10,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784653918] [2024-11-20 13:56:10,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784653918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:10,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:10,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:10,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046526680] [2024-11-20 13:56:10,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:10,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:10,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:10,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:10,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:10,263 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-20 13:56:10,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 278 places, 273 transitions, 572 flow. Second operand has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:10,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:10,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-20 13:56:10,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:10,469 INFO L124 PetriNetUnfolderBase]: 851/2192 cut-off events. [2024-11-20 13:56:10,469 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-20 13:56:10,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 2192 events. 851/2192 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15090 event pairs, 719 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 3765. Up to 1232 conditions per place. [2024-11-20 13:56:10,481 INFO L140 encePairwiseOnDemand]: 372/374 looper letters, 24 selfloop transitions, 1 changer transitions 0/272 dead transitions. [2024-11-20 13:56:10,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 272 transitions, 620 flow [2024-11-20 13:56:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:10,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-11-20 13:56:10,483 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2024-11-20 13:56:10,483 INFO L175 Difference]: Start difference. First operand has 278 places, 273 transitions, 572 flow. Second operand 3 states and 891 transitions. [2024-11-20 13:56:10,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 272 transitions, 620 flow [2024-11-20 13:56:10,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 272 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:10,486 INFO L231 Difference]: Finished difference. Result has 277 places, 272 transitions, 568 flow [2024-11-20 13:56:10,487 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=566, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=568, PETRI_PLACES=277, PETRI_TRANSITIONS=272} [2024-11-20 13:56:10,487 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -72 predicate places. [2024-11-20 13:56:10,487 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 272 transitions, 568 flow [2024-11-20 13:56:10,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 290.0) internal successors, (870), 3 states have internal predecessors, (870), 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) [2024-11-20 13:56:10,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:10,488 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:10,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 13:56:10,488 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:10,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash -803893374, now seen corresponding path program 1 times [2024-11-20 13:56:10,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:10,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127870273] [2024-11-20 13:56:10,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:10,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:10,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127870273] [2024-11-20 13:56:10,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127870273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:10,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:10,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:10,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363512487] [2024-11-20 13:56:10,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:10,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:10,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:10,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:10,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:10,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-11-20 13:56:10,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 272 transitions, 568 flow. Second operand has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:10,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:10,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-11-20 13:56:10,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:10,768 INFO L124 PetriNetUnfolderBase]: 851/2191 cut-off events. [2024-11-20 13:56:10,768 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-11-20 13:56:10,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3804 conditions, 2191 events. 851/2191 cut-off events. For 348/348 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 15086 event pairs, 719 based on Foata normal form. 0/2019 useless extension candidates. Maximal degree in co-relation 3764. Up to 1234 conditions per place. [2024-11-20 13:56:10,776 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2024-11-20 13:56:10,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 271 transitions, 620 flow [2024-11-20 13:56:10,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-11-20 13:56:10,779 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-11-20 13:56:10,779 INFO L175 Difference]: Start difference. First operand has 277 places, 272 transitions, 568 flow. Second operand 3 states and 884 transitions. [2024-11-20 13:56:10,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 271 transitions, 620 flow [2024-11-20 13:56:10,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 271 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:56:10,783 INFO L231 Difference]: Finished difference. Result has 277 places, 271 transitions, 569 flow [2024-11-20 13:56:10,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=569, PETRI_PLACES=277, PETRI_TRANSITIONS=271} [2024-11-20 13:56:10,784 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -72 predicate places. [2024-11-20 13:56:10,784 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 271 transitions, 569 flow [2024-11-20 13:56:10,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 287.3333333333333) internal successors, (862), 3 states have internal predecessors, (862), 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) [2024-11-20 13:56:10,785 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:56:10,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:10,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 13:56:10,786 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2024-11-20 13:56:10,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:56:10,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1294401737, now seen corresponding path program 1 times [2024-11-20 13:56:10,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:56:10,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511890784] [2024-11-20 13:56:10,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:56:10,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:56:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:56:10,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:56:10,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:56:10,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511890784] [2024-11-20 13:56:10,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511890784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:56:10,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:56:10,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:56:10,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330045771] [2024-11-20 13:56:10,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:56:10,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:56:10,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:56:10,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:56:10,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:56:10,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-11-20 13:56:10,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 271 transitions, 569 flow. Second operand has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-20 13:56:10,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:56:10,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-11-20 13:56:10,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:56:11,121 INFO L124 PetriNetUnfolderBase]: 1357/2994 cut-off events. [2024-11-20 13:56:11,121 INFO L125 PetriNetUnfolderBase]: For 613/614 co-relation queries the response was YES. [2024-11-20 13:56:11,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5343 conditions, 2994 events. 1357/2994 cut-off events. For 613/614 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 20288 event pairs, 460 based on Foata normal form. 4/2783 useless extension candidates. Maximal degree in co-relation 5304. Up to 1440 conditions per place. [2024-11-20 13:56:11,130 INFO L140 encePairwiseOnDemand]: 366/374 looper letters, 0 selfloop transitions, 0 changer transitions 292/292 dead transitions. [2024-11-20 13:56:11,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 292 transitions, 718 flow [2024-11-20 13:56:11,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:56:11,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:56:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2024-11-20 13:56:11,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8110516934046346 [2024-11-20 13:56:11,132 INFO L175 Difference]: Start difference. First operand has 277 places, 271 transitions, 569 flow. Second operand 3 states and 910 transitions. [2024-11-20 13:56:11,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 292 transitions, 718 flow [2024-11-20 13:56:11,134 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 292 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:56:11,136 INFO L231 Difference]: Finished difference. Result has 276 places, 0 transitions, 0 flow [2024-11-20 13:56:11,136 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=374, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=270, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=276, PETRI_TRANSITIONS=0} [2024-11-20 13:56:11,136 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -73 predicate places. [2024-11-20 13:56:11,136 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 0 transitions, 0 flow [2024-11-20 13:56:11,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 293.6666666666667) internal successors, (881), 3 states have internal predecessors, (881), 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) [2024-11-20 13:56:11,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (120 of 121 remaining) [2024-11-20 13:56:11,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2024-11-20 13:56:11,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2024-11-20 13:56:11,140 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2024-11-20 13:56:11,141 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2024-11-20 13:56:11,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2024-11-20 13:56:11,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2024-11-20 13:56:11,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2024-11-20 13:56:11,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2024-11-20 13:56:11,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2024-11-20 13:56:11,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2024-11-20 13:56:11,142 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2024-11-20 13:56:11,143 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2024-11-20 13:56:11,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2024-11-20 13:56:11,145 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2024-11-20 13:56:11,146 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2024-11-20 13:56:11,147 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2024-11-20 13:56:11,148 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2024-11-20 13:56:11,149 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2024-11-20 13:56:11,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2024-11-20 13:56:11,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2024-11-20 13:56:11,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2024-11-20 13:56:11,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2024-11-20 13:56:11,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2024-11-20 13:56:11,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2024-11-20 13:56:11,150 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2024-11-20 13:56:11,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 13:56:11,151 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:56:11,156 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 13:56:11,156 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 13:56:11,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:56:11 BasicIcfg [2024-11-20 13:56:11,162 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 13:56:11,163 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 13:56:11,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 13:56:11,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 13:56:11,163 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:56:04" (3/4) ... [2024-11-20 13:56:11,165 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 13:56:11,166 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-20 13:56:11,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-20 13:56:11,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-20 13:56:11,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-20 13:56:11,173 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-20 13:56:11,173 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-20 13:56:11,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 13:56:11,174 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 13:56:11,254 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 13:56:11,254 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 13:56:11,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 13:56:11,255 INFO L158 Benchmark]: Toolchain (without parser) took 7831.47ms. Allocated memory was 134.2MB in the beginning and 681.6MB in the end (delta: 547.4MB). Free memory was 64.0MB in the beginning and 222.5MB in the end (delta: -158.5MB). Peak memory consumption was 392.0MB. Max. memory is 16.1GB. [2024-11-20 13:56:11,255 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory was 101.1MB in the beginning and 100.9MB in the end (delta: 140.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 13:56:11,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.72ms. Allocated memory is still 205.5MB. Free memory was 176.0MB in the beginning and 163.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-20 13:56:11,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.14ms. Allocated memory is still 205.5MB. Free memory was 163.8MB in the beginning and 160.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 13:56:11,256 INFO L158 Benchmark]: Boogie Preprocessor took 41.53ms. Allocated memory is still 205.5MB. Free memory was 159.6MB in the beginning and 157.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 13:56:11,256 INFO L158 Benchmark]: RCFGBuilder took 1002.46ms. Allocated memory is still 205.5MB. Free memory was 157.5MB in the beginning and 105.6MB in the end (delta: 51.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2024-11-20 13:56:11,256 INFO L158 Benchmark]: TraceAbstraction took 6344.57ms. Allocated memory was 205.5MB in the beginning and 681.6MB in the end (delta: 476.1MB). Free memory was 104.6MB in the beginning and 228.8MB in the end (delta: -124.2MB). Peak memory consumption was 353.9MB. Max. memory is 16.1GB. [2024-11-20 13:56:11,256 INFO L158 Benchmark]: Witness Printer took 91.93ms. Allocated memory is still 681.6MB. Free memory was 228.8MB in the beginning and 222.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-20 13:56:11,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 134.2MB. Free memory was 101.1MB in the beginning and 100.9MB in the end (delta: 140.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.72ms. Allocated memory is still 205.5MB. Free memory was 176.0MB in the beginning and 163.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.14ms. Allocated memory is still 205.5MB. Free memory was 163.8MB in the beginning and 160.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.53ms. Allocated memory is still 205.5MB. Free memory was 159.6MB in the beginning and 157.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.46ms. Allocated memory is still 205.5MB. Free memory was 157.5MB in the beginning and 105.6MB in the end (delta: 51.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6344.57ms. Allocated memory was 205.5MB in the beginning and 681.6MB in the end (delta: 476.1MB). Free memory was 104.6MB in the beginning and 228.8MB in the end (delta: -124.2MB). Peak memory consumption was 353.9MB. Max. memory is 16.1GB. * Witness Printer took 91.93ms. Allocated memory is still 681.6MB. Free memory was 228.8MB in the beginning and 222.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 48]: 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: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 125]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 161]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 137]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 149]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 452 locations, 121 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: 6.2s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 360 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 948 IncrementalHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 62 mSDtfsCounter, 948 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=730occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1548 NumberOfCodeBlocks, 1548 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1531 ConstructedInterpolants, 0 QuantifiedInterpolants, 1678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 - AllSpecificationsHoldResult: All specifications hold 68 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-20 13:56:11,276 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE