./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 61a67961 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.fs.cvc5-61a6796-m [2024-10-14 17:15:07,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 17:15:07,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 17:15:07,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 17:15:07,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 17:15:07,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 17:15:07,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 17:15:07,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 17:15:07,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 17:15:07,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 17:15:07,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 17:15:07,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 17:15:07,777 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 17:15:07,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 17:15:07,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 17:15:07,780 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 17:15:07,780 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 17:15:07,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 17:15:07,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 17:15:07,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 17:15:07,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 17:15:07,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 17:15:07,782 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 17:15:07,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 17:15:07,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 17:15:07,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 17:15:07,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 17:15:07,784 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 17:15:07,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 17:15:07,785 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 17:15:07,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 17:15:07,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:15:07,786 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 17:15:07,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 17:15:07,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 17:15:07,787 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 17:15:07,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 17:15:07,787 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 17:15:07,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 17:15:07,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 17:15:07,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 17:15:07,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41874b69ed787f1d4b0fd199a95bb437bfc8aab0f734c194621d2ef33cc65cc9 [2024-10-14 17:15:08,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 17:15:08,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 17:15:08,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 17:15:08,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 17:15:08,086 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 17:15:08,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2024-10-14 17:15:09,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 17:15:09,715 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 17:15:09,716 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons3.wvr.c [2024-10-14 17:15:09,730 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022ce8a17/da06c2c9962148b6b058e4a3097c03aa/FLAG002b43639 [2024-10-14 17:15:09,749 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/022ce8a17/da06c2c9962148b6b058e4a3097c03aa [2024-10-14 17:15:09,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 17:15:09,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 17:15:09,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 17:15:09,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 17:15:09,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 17:15:09,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:09" (1/1) ... [2024-10-14 17:15:09,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133cbd12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:09, skipping insertion in model container [2024-10-14 17:15:09,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:15:09" (1/1) ... [2024-10-14 17:15:09,794 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 17:15:10,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:15:10,078 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 17:15:10,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 17:15:10,152 INFO L204 MainTranslator]: Completed translation [2024-10-14 17:15:10,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10 WrapperNode [2024-10-14 17:15:10,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 17:15:10,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 17:15:10,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 17:15:10,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 17:15:10,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,229 INFO L138 Inliner]: procedures = 25, calls = 54, calls flagged for inlining = 16, calls inlined = 18, statements flattened = 466 [2024-10-14 17:15:10,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 17:15:10,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 17:15:10,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 17:15:10,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 17:15:10,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 17:15:10,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 17:15:10,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 17:15:10,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 17:15:10,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (1/1) ... [2024-10-14 17:15:10,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 17:15:10,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 17:15:10,357 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) [2024-10-14 17:15:10,360 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 [2024-10-14 17:15:10,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 17:15:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 17:15:10,411 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 17:15:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-14 17:15:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-14 17:15:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-14 17:15:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-14 17:15:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-10-14 17:15:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-10-14 17:15:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 17:15:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 17:15:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 17:15:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 17:15:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-14 17:15:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 17:15:10,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 17:15:10,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 17:15:10,417 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 17:15:10,575 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 17:15:10,577 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 17:15:11,457 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 17:15:11,458 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 17:15:11,886 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 17:15:11,886 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-14 17:15:11,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:11 BoogieIcfgContainer [2024-10-14 17:15:11,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 17:15:11,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 17:15:11,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 17:15:11,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 17:15:11,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:15:09" (1/3) ... [2024-10-14 17:15:11,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a77b4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:15:11, skipping insertion in model container [2024-10-14 17:15:11,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:15:10" (2/3) ... [2024-10-14 17:15:11,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a77b4c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:15:11, skipping insertion in model container [2024-10-14 17:15:11,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:11" (3/3) ... [2024-10-14 17:15:11,895 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons3.wvr.c [2024-10-14 17:15:11,913 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 17:15:11,913 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-10-14 17:15:11,913 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 17:15:12,033 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-14 17:15:12,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 369 places, 374 transitions, 776 flow [2024-10-14 17:15:12,238 INFO L124 PetriNetUnfolderBase]: 18/370 cut-off events. [2024-10-14 17:15:12,238 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-10-14 17:15:12,253 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. [2024-10-14 17:15:12,253 INFO L82 GeneralOperation]: Start removeDead. Operand has 369 places, 374 transitions, 776 flow [2024-10-14 17:15:12,270 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 349 places, 353 transitions, 730 flow [2024-10-14 17:15:12,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 17:15:12,322 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;@64a52e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 17:15:12,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2024-10-14 17:15:12,333 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 17:15:12,334 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2024-10-14 17:15:12,334 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 17:15:12,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:12,335 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] [2024-10-14 17:15:12,335 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)] === [2024-10-14 17:15:12,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:12,342 INFO L85 PathProgramCache]: Analyzing trace with hash 556877122, now seen corresponding path program 1 times [2024-10-14 17:15:12,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:12,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278392703] [2024-10-14 17:15:12,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:12,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:12,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:12,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278392703] [2024-10-14 17:15:12,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278392703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:12,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:12,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:12,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022580040] [2024-10-14 17:15:12,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:12,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:12,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:12,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:12,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:12,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 374 [2024-10-14 17:15:12,673 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) [2024-10-14 17:15:12,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:12,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 374 [2024-10-14 17:15:12,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:13,192 INFO L124 PetriNetUnfolderBase]: 752/1727 cut-off events. [2024-10-14 17:15:13,193 INFO L125 PetriNetUnfolderBase]: For 256/256 co-relation queries the response was YES. [2024-10-14 17:15:13,205 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. [2024-10-14 17:15:13,218 INFO L140 encePairwiseOnDemand]: 312/374 looper letters, 26 selfloop transitions, 2 changer transitions 6/293 dead transitions. [2024-10-14 17:15:13,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 302 places, 293 transitions, 666 flow [2024-10-14 17:15:13,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:13,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 937 transitions. [2024-10-14 17:15:13,237 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351158645276292 [2024-10-14 17:15:13,241 INFO L175 Difference]: Start difference. First operand has 349 places, 353 transitions, 730 flow. Second operand 3 states and 937 transitions. [2024-10-14 17:15:13,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 302 places, 293 transitions, 666 flow [2024-10-14 17:15:13,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 293 transitions, 650 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-10-14 17:15:13,256 INFO L231 Difference]: Finished difference. Result has 294 places, 287 transitions, 586 flow [2024-10-14 17:15:13,260 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} [2024-10-14 17:15:13,265 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -55 predicate places. [2024-10-14 17:15:13,266 INFO L471 AbstractCegarLoop]: Abstraction has has 294 places, 287 transitions, 586 flow [2024-10-14 17:15:13,266 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) [2024-10-14 17:15:13,266 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:13,267 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] [2024-10-14 17:15:13,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 17:15:13,267 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)] === [2024-10-14 17:15:13,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:13,268 INFO L85 PathProgramCache]: Analyzing trace with hash -217242735, now seen corresponding path program 1 times [2024-10-14 17:15:13,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:13,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737879522] [2024-10-14 17:15:13,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:13,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:13,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737879522] [2024-10-14 17:15:13,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737879522] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:13,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:13,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:13,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340791926] [2024-10-14 17:15:13,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:13,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:13,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:13,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:13,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:13,375 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 374 [2024-10-14 17:15:13,377 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) [2024-10-14 17:15:13,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:13,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 374 [2024-10-14 17:15:13,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:13,833 INFO L124 PetriNetUnfolderBase]: 923/1998 cut-off events. [2024-10-14 17:15:13,833 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-10-14 17:15:13,840 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. [2024-10-14 17:15:13,851 INFO L140 encePairwiseOnDemand]: 370/374 looper letters, 26 selfloop transitions, 1 changer transitions 0/284 dead transitions. [2024-10-14 17:15:13,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 287 places, 284 transitions, 634 flow [2024-10-14 17:15:13,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 879 transitions. [2024-10-14 17:15:13,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7834224598930482 [2024-10-14 17:15:13,855 INFO L175 Difference]: Start difference. First operand has 294 places, 287 transitions, 586 flow. Second operand 3 states and 879 transitions. [2024-10-14 17:15:13,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 287 places, 284 transitions, 634 flow [2024-10-14 17:15:13,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 284 transitions, 630 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:13,863 INFO L231 Difference]: Finished difference. Result has 285 places, 284 transitions, 578 flow [2024-10-14 17:15:13,864 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} [2024-10-14 17:15:13,864 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -64 predicate places. [2024-10-14 17:15:13,865 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 284 transitions, 578 flow [2024-10-14 17:15:13,865 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) [2024-10-14 17:15:13,865 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:13,866 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] [2024-10-14 17:15:13,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 17:15:13,867 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)] === [2024-10-14 17:15:13,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:13,867 INFO L85 PathProgramCache]: Analyzing trace with hash -2055433511, now seen corresponding path program 1 times [2024-10-14 17:15:13,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:13,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410829755] [2024-10-14 17:15:13,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:13,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:13,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:13,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410829755] [2024-10-14 17:15:13,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410829755] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:13,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:13,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:13,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906749650] [2024-10-14 17:15:13,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:13,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:13,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:13,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:13,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:13,965 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-10-14 17:15:13,967 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) [2024-10-14 17:15:13,967 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:13,967 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-10-14 17:15:13,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,344 INFO L124 PetriNetUnfolderBase]: 565/1385 cut-off events. [2024-10-14 17:15:14,345 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-10-14 17:15:14,349 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. [2024-10-14 17:15:14,355 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-10-14 17:15:14,355 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 283 transitions, 628 flow [2024-10-14 17:15:14,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-10-14 17:15:14,358 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-10-14 17:15:14,358 INFO L175 Difference]: Start difference. First operand has 285 places, 284 transitions, 578 flow. Second operand 3 states and 882 transitions. [2024-10-14 17:15:14,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 283 transitions, 628 flow [2024-10-14 17:15:14,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 283 transitions, 627 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:14,363 INFO L231 Difference]: Finished difference. Result has 285 places, 283 transitions, 579 flow [2024-10-14 17:15:14,364 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} [2024-10-14 17:15:14,365 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -64 predicate places. [2024-10-14 17:15:14,365 INFO L471 AbstractCegarLoop]: Abstraction has has 285 places, 283 transitions, 579 flow [2024-10-14 17:15:14,366 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) [2024-10-14 17:15:14,366 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,366 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] [2024-10-14 17:15:14,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 17:15:14,366 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)] === [2024-10-14 17:15:14,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,368 INFO L85 PathProgramCache]: Analyzing trace with hash 852732388, now seen corresponding path program 1 times [2024-10-14 17:15:14,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791849270] [2024-10-14 17:15:14,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:14,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791849270] [2024-10-14 17:15:14,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791849270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433204223] [2024-10-14 17:15:14,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,456 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-10-14 17:15:14,457 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) [2024-10-14 17:15:14,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-10-14 17:15:14,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:14,757 INFO L124 PetriNetUnfolderBase]: 565/1384 cut-off events. [2024-10-14 17:15:14,758 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-10-14 17:15:14,762 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. [2024-10-14 17:15:14,768 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/282 dead transitions. [2024-10-14 17:15:14,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 282 transitions, 629 flow [2024-10-14 17:15:14,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-10-14 17:15:14,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-10-14 17:15:14,771 INFO L175 Difference]: Start difference. First operand has 285 places, 283 transitions, 579 flow. Second operand 3 states and 882 transitions. [2024-10-14 17:15:14,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 282 transitions, 629 flow [2024-10-14 17:15:14,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 282 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:14,776 INFO L231 Difference]: Finished difference. Result has 284 places, 282 transitions, 577 flow [2024-10-14 17:15:14,777 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} [2024-10-14 17:15:14,778 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -65 predicate places. [2024-10-14 17:15:14,778 INFO L471 AbstractCegarLoop]: Abstraction has has 284 places, 282 transitions, 577 flow [2024-10-14 17:15:14,779 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) [2024-10-14 17:15:14,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:14,779 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] [2024-10-14 17:15:14,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 17:15:14,780 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)] === [2024-10-14 17:15:14,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:14,780 INFO L85 PathProgramCache]: Analyzing trace with hash -724619586, now seen corresponding path program 1 times [2024-10-14 17:15:14,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:14,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175445188] [2024-10-14 17:15:14,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:14,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:14,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175445188] [2024-10-14 17:15:14,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175445188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:14,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:14,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:14,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232368138] [2024-10-14 17:15:14,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:14,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:14,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:14,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:14,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:14,866 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-10-14 17:15:14,868 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) [2024-10-14 17:15:14,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:14,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-10-14 17:15:14,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:15,140 INFO L124 PetriNetUnfolderBase]: 565/1383 cut-off events. [2024-10-14 17:15:15,140 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-10-14 17:15:15,144 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. [2024-10-14 17:15:15,151 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/281 dead transitions. [2024-10-14 17:15:15,152 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 281 transitions, 627 flow [2024-10-14 17:15:15,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:15,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-10-14 17:15:15,155 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-10-14 17:15:15,155 INFO L175 Difference]: Start difference. First operand has 284 places, 282 transitions, 577 flow. Second operand 3 states and 882 transitions. [2024-10-14 17:15:15,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 281 transitions, 627 flow [2024-10-14 17:15:15,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 281 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:15,160 INFO L231 Difference]: Finished difference. Result has 283 places, 281 transitions, 575 flow [2024-10-14 17:15:15,161 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} [2024-10-14 17:15:15,161 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -66 predicate places. [2024-10-14 17:15:15,162 INFO L471 AbstractCegarLoop]: Abstraction has has 283 places, 281 transitions, 575 flow [2024-10-14 17:15:15,162 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) [2024-10-14 17:15:15,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:15,163 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] [2024-10-14 17:15:15,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 17:15:15,163 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)] === [2024-10-14 17:15:15,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:15,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1794571893, now seen corresponding path program 1 times [2024-10-14 17:15:15,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:15,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491146040] [2024-10-14 17:15:15,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:15,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:15,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491146040] [2024-10-14 17:15:15,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491146040] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:15,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:15,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:15,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584923030] [2024-10-14 17:15:15,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:15,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:15,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:15,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:15,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:15,225 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-10-14 17:15:15,227 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) [2024-10-14 17:15:15,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:15,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-10-14 17:15:15,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:15,509 INFO L124 PetriNetUnfolderBase]: 565/1382 cut-off events. [2024-10-14 17:15:15,509 INFO L125 PetriNetUnfolderBase]: For 51/51 co-relation queries the response was YES. [2024-10-14 17:15:15,514 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. [2024-10-14 17:15:15,522 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/280 dead transitions. [2024-10-14 17:15:15,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 284 places, 280 transitions, 625 flow [2024-10-14 17:15:15,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:15,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:15,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-10-14 17:15:15,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-10-14 17:15:15,527 INFO L175 Difference]: Start difference. First operand has 283 places, 281 transitions, 575 flow. Second operand 3 states and 882 transitions. [2024-10-14 17:15:15,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 284 places, 280 transitions, 625 flow [2024-10-14 17:15:15,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 280 transitions, 621 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:15,534 INFO L231 Difference]: Finished difference. Result has 282 places, 280 transitions, 573 flow [2024-10-14 17:15:15,534 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} [2024-10-14 17:15:15,536 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-10-14 17:15:15,536 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 280 transitions, 573 flow [2024-10-14 17:15:15,537 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) [2024-10-14 17:15:15,537 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:15,538 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] [2024-10-14 17:15:15,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 17:15:15,538 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)] === [2024-10-14 17:15:15,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:15,539 INFO L85 PathProgramCache]: Analyzing trace with hash 75497449, now seen corresponding path program 1 times [2024-10-14 17:15:15,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:15,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082358460] [2024-10-14 17:15:15,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:15,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:15,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082358460] [2024-10-14 17:15:15,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082358460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:15,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:15,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:15,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545801921] [2024-10-14 17:15:15,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:15,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:15,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:15,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:15,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:15,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-10-14 17:15:15,626 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) [2024-10-14 17:15:15,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:15,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-10-14 17:15:15,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:16,055 INFO L124 PetriNetUnfolderBase]: 687/1785 cut-off events. [2024-10-14 17:15:16,056 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-10-14 17:15:16,064 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. [2024-10-14 17:15:16,074 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 35 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-10-14 17:15:16,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 293 transitions, 679 flow [2024-10-14 17:15:16,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-10-14 17:15:16,078 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065953654188949 [2024-10-14 17:15:16,078 INFO L175 Difference]: Start difference. First operand has 282 places, 280 transitions, 573 flow. Second operand 3 states and 905 transitions. [2024-10-14 17:15:16,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 293 transitions, 679 flow [2024-10-14 17:15:16,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 293 transitions, 675 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:16,086 INFO L231 Difference]: Finished difference. Result has 282 places, 280 transitions, 577 flow [2024-10-14 17:15:16,087 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} [2024-10-14 17:15:16,088 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-10-14 17:15:16,088 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 280 transitions, 577 flow [2024-10-14 17:15:16,089 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) [2024-10-14 17:15:16,089 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:16,089 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] [2024-10-14 17:15:16,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 17:15:16,090 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)] === [2024-10-14 17:15:16,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:16,090 INFO L85 PathProgramCache]: Analyzing trace with hash -979615985, now seen corresponding path program 1 times [2024-10-14 17:15:16,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:16,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565161308] [2024-10-14 17:15:16,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:16,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:16,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:16,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565161308] [2024-10-14 17:15:16,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565161308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:16,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:16,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:16,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225358026] [2024-10-14 17:15:16,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:16,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:16,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:16,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:16,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:16,168 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-10-14 17:15:16,169 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) [2024-10-14 17:15:16,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:16,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-10-14 17:15:16,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:16,480 INFO L124 PetriNetUnfolderBase]: 687/1688 cut-off events. [2024-10-14 17:15:16,480 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2024-10-14 17:15:16,486 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. [2024-10-14 17:15:16,494 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 24 selfloop transitions, 2 changer transitions 0/279 dead transitions. [2024-10-14 17:15:16,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 279 transitions, 627 flow [2024-10-14 17:15:16,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:16,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-10-14 17:15:16,497 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-10-14 17:15:16,498 INFO L175 Difference]: Start difference. First operand has 282 places, 280 transitions, 577 flow. Second operand 3 states and 884 transitions. [2024-10-14 17:15:16,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 279 transitions, 627 flow [2024-10-14 17:15:16,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 279 transitions, 625 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:16,503 INFO L231 Difference]: Finished difference. Result has 282 places, 279 transitions, 577 flow [2024-10-14 17:15:16,504 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} [2024-10-14 17:15:16,505 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-10-14 17:15:16,506 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 279 transitions, 577 flow [2024-10-14 17:15:16,509 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) [2024-10-14 17:15:16,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:16,510 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] [2024-10-14 17:15:16,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 17:15:16,510 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)] === [2024-10-14 17:15:16,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:16,511 INFO L85 PathProgramCache]: Analyzing trace with hash 564200169, now seen corresponding path program 1 times [2024-10-14 17:15:16,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:16,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350218497] [2024-10-14 17:15:16,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:16,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:16,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:16,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350218497] [2024-10-14 17:15:16,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350218497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:16,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:16,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:16,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657354443] [2024-10-14 17:15:16,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:16,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:16,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:16,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:16,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:16,583 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-10-14 17:15:16,584 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) [2024-10-14 17:15:16,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:16,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-10-14 17:15:16,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:16,951 INFO L124 PetriNetUnfolderBase]: 851/2155 cut-off events. [2024-10-14 17:15:16,951 INFO L125 PetriNetUnfolderBase]: For 206/206 co-relation queries the response was YES. [2024-10-14 17:15:16,961 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. [2024-10-14 17:15:16,972 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 37 selfloop transitions, 2 changer transitions 0/293 dead transitions. [2024-10-14 17:15:16,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 293 transitions, 692 flow [2024-10-14 17:15:16,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 905 transitions. [2024-10-14 17:15:16,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8065953654188949 [2024-10-14 17:15:16,975 INFO L175 Difference]: Start difference. First operand has 282 places, 279 transitions, 577 flow. Second operand 3 states and 905 transitions. [2024-10-14 17:15:16,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 293 transitions, 692 flow [2024-10-14 17:15:16,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 293 transitions, 688 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:16,981 INFO L231 Difference]: Finished difference. Result has 282 places, 279 transitions, 581 flow [2024-10-14 17:15:16,981 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} [2024-10-14 17:15:16,982 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-10-14 17:15:16,982 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 279 transitions, 581 flow [2024-10-14 17:15:16,983 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) [2024-10-14 17:15:16,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:16,983 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] [2024-10-14 17:15:16,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 17:15:16,984 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)] === [2024-10-14 17:15:16,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:16,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1803662583, now seen corresponding path program 1 times [2024-10-14 17:15:16,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:16,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003440532] [2024-10-14 17:15:16,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:16,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:17,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:17,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003440532] [2024-10-14 17:15:17,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003440532] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:17,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:17,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:17,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369114528] [2024-10-14 17:15:17,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:17,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:17,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:17,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:17,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:17,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-10-14 17:15:17,051 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) [2024-10-14 17:15:17,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:17,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-10-14 17:15:17,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:17,388 INFO L124 PetriNetUnfolderBase]: 851/2198 cut-off events. [2024-10-14 17:15:17,388 INFO L125 PetriNetUnfolderBase]: For 349/349 co-relation queries the response was YES. [2024-10-14 17:15:17,397 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. [2024-10-14 17:15:17,405 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/278 dead transitions. [2024-10-14 17:15:17,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 278 transitions, 633 flow [2024-10-14 17:15:17,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-10-14 17:15:17,408 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-10-14 17:15:17,408 INFO L175 Difference]: Start difference. First operand has 282 places, 279 transitions, 581 flow. Second operand 3 states and 884 transitions. [2024-10-14 17:15:17,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 278 transitions, 633 flow [2024-10-14 17:15:17,410 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 278 transitions, 631 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:17,412 INFO L231 Difference]: Finished difference. Result has 282 places, 278 transitions, 581 flow [2024-10-14 17:15:17,413 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} [2024-10-14 17:15:17,414 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-10-14 17:15:17,415 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 278 transitions, 581 flow [2024-10-14 17:15:17,415 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) [2024-10-14 17:15:17,415 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:17,416 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] [2024-10-14 17:15:17,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 17:15:17,416 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)] === [2024-10-14 17:15:17,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:17,416 INFO L85 PathProgramCache]: Analyzing trace with hash -439095779, now seen corresponding path program 1 times [2024-10-14 17:15:17,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:17,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884341432] [2024-10-14 17:15:17,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:17,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:17,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:17,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884341432] [2024-10-14 17:15:17,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884341432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:17,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:17,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:17,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494436898] [2024-10-14 17:15:17,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:17,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:17,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:17,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:17,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:17,463 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 285 out of 374 [2024-10-14 17:15:17,464 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) [2024-10-14 17:15:17,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:17,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 285 of 374 [2024-10-14 17:15:17,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:17,828 INFO L124 PetriNetUnfolderBase]: 851/2197 cut-off events. [2024-10-14 17:15:17,828 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-10-14 17:15:17,835 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. [2024-10-14 17:15:17,844 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 26 selfloop transitions, 2 changer transitions 0/277 dead transitions. [2024-10-14 17:15:17,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 277 transitions, 635 flow [2024-10-14 17:15:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:17,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 882 transitions. [2024-10-14 17:15:17,847 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.786096256684492 [2024-10-14 17:15:17,847 INFO L175 Difference]: Start difference. First operand has 282 places, 278 transitions, 581 flow. Second operand 3 states and 882 transitions. [2024-10-14 17:15:17,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 277 transitions, 635 flow [2024-10-14 17:15:17,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 277 transitions, 631 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:17,852 INFO L231 Difference]: Finished difference. Result has 281 places, 277 transitions, 579 flow [2024-10-14 17:15:17,853 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} [2024-10-14 17:15:17,853 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -68 predicate places. [2024-10-14 17:15:17,853 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 277 transitions, 579 flow [2024-10-14 17:15:17,854 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) [2024-10-14 17:15:17,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:17,854 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] [2024-10-14 17:15:17,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 17:15:17,855 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)] === [2024-10-14 17:15:17,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:17,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1369483931, now seen corresponding path program 1 times [2024-10-14 17:15:17,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:17,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217898005] [2024-10-14 17:15:17,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:17,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:17,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217898005] [2024-10-14 17:15:17,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217898005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:17,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:17,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:17,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444531595] [2024-10-14 17:15:17,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:17,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:17,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:17,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:17,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:17,894 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-10-14 17:15:17,895 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) [2024-10-14 17:15:17,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:17,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-10-14 17:15:17,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:18,196 INFO L124 PetriNetUnfolderBase]: 851/2196 cut-off events. [2024-10-14 17:15:18,196 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-10-14 17:15:18,206 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. [2024-10-14 17:15:18,216 INFO L140 encePairwiseOnDemand]: 372/374 looper letters, 24 selfloop transitions, 1 changer transitions 0/276 dead transitions. [2024-10-14 17:15:18,217 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 276 transitions, 627 flow [2024-10-14 17:15:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:18,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-10-14 17:15:18,219 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2024-10-14 17:15:18,219 INFO L175 Difference]: Start difference. First operand has 281 places, 277 transitions, 579 flow. Second operand 3 states and 891 transitions. [2024-10-14 17:15:18,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 276 transitions, 627 flow [2024-10-14 17:15:18,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 276 transitions, 623 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:18,225 INFO L231 Difference]: Finished difference. Result has 280 places, 276 transitions, 575 flow [2024-10-14 17:15:18,225 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} [2024-10-14 17:15:18,226 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -69 predicate places. [2024-10-14 17:15:18,226 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 276 transitions, 575 flow [2024-10-14 17:15:18,227 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) [2024-10-14 17:15:18,227 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:18,227 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] [2024-10-14 17:15:18,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 17:15:18,227 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)] === [2024-10-14 17:15:18,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1236666305, now seen corresponding path program 1 times [2024-10-14 17:15:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:18,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559517193] [2024-10-14 17:15:18,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:18,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:18,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559517193] [2024-10-14 17:15:18,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559517193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:18,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:18,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 17:15:18,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885346129] [2024-10-14 17:15:18,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:18,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 17:15:18,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:18,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 17:15:18,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 17:15:18,946 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 265 out of 374 [2024-10-14 17:15:18,949 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) [2024-10-14 17:15:18,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:18,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 265 of 374 [2024-10-14 17:15:18,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:19,399 INFO L124 PetriNetUnfolderBase]: 851/2194 cut-off events. [2024-10-14 17:15:19,399 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-10-14 17:15:19,409 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. [2024-10-14 17:15:19,424 INFO L140 encePairwiseOnDemand]: 362/374 looper letters, 38 selfloop transitions, 10 changer transitions 0/274 dead transitions. [2024-10-14 17:15:19,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 274 transitions, 667 flow [2024-10-14 17:15:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 17:15:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-14 17:15:19,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1638 transitions. [2024-10-14 17:15:19,429 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7299465240641712 [2024-10-14 17:15:19,429 INFO L175 Difference]: Start difference. First operand has 280 places, 276 transitions, 575 flow. Second operand 6 states and 1638 transitions. [2024-10-14 17:15:19,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 274 transitions, 667 flow [2024-10-14 17:15:19,431 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 274 transitions, 666 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:19,434 INFO L231 Difference]: Finished difference. Result has 282 places, 274 transitions, 590 flow [2024-10-14 17:15:19,434 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} [2024-10-14 17:15:19,436 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -67 predicate places. [2024-10-14 17:15:19,437 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 274 transitions, 590 flow [2024-10-14 17:15:19,438 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) [2024-10-14 17:15:19,438 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:19,438 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] [2024-10-14 17:15:19,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 17:15:19,438 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)] === [2024-10-14 17:15:19,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:19,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1123432265, now seen corresponding path program 1 times [2024-10-14 17:15:19,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:19,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294792995] [2024-10-14 17:15:19,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:19,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:19,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:19,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294792995] [2024-10-14 17:15:19,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294792995] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:19,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:19,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:19,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970902801] [2024-10-14 17:15:19,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:19,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:19,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:19,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:19,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:19,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-10-14 17:15:19,488 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) [2024-10-14 17:15:19,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:19,488 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-10-14 17:15:19,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:19,853 INFO L124 PetriNetUnfolderBase]: 851/2193 cut-off events. [2024-10-14 17:15:19,853 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-10-14 17:15:19,861 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. [2024-10-14 17:15:19,869 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/273 dead transitions. [2024-10-14 17:15:19,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 283 places, 273 transitions, 642 flow [2024-10-14 17:15:19,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:19,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-10-14 17:15:19,872 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-10-14 17:15:19,872 INFO L175 Difference]: Start difference. First operand has 282 places, 274 transitions, 590 flow. Second operand 3 states and 884 transitions. [2024-10-14 17:15:19,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 283 places, 273 transitions, 642 flow [2024-10-14 17:15:19,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 278 places, 273 transitions, 622 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-14 17:15:19,877 INFO L231 Difference]: Finished difference. Result has 278 places, 273 transitions, 572 flow [2024-10-14 17:15:19,878 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} [2024-10-14 17:15:19,879 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -71 predicate places. [2024-10-14 17:15:19,879 INFO L471 AbstractCegarLoop]: Abstraction has has 278 places, 273 transitions, 572 flow [2024-10-14 17:15:19,880 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) [2024-10-14 17:15:19,880 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:19,880 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] [2024-10-14 17:15:19,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 17:15:19,881 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)] === [2024-10-14 17:15:19,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash 526609753, now seen corresponding path program 1 times [2024-10-14 17:15:19,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:19,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696175802] [2024-10-14 17:15:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:19,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:19,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:19,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696175802] [2024-10-14 17:15:19,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696175802] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:19,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:19,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:19,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580782757] [2024-10-14 17:15:19,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:19,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:19,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:19,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:19,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:19,931 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-10-14 17:15:19,933 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) [2024-10-14 17:15:19,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:19,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-10-14 17:15:19,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:20,271 INFO L124 PetriNetUnfolderBase]: 851/2192 cut-off events. [2024-10-14 17:15:20,272 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-10-14 17:15:20,281 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. [2024-10-14 17:15:20,290 INFO L140 encePairwiseOnDemand]: 372/374 looper letters, 24 selfloop transitions, 1 changer transitions 0/272 dead transitions. [2024-10-14 17:15:20,291 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 272 transitions, 620 flow [2024-10-14 17:15:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:20,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 891 transitions. [2024-10-14 17:15:20,293 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7941176470588235 [2024-10-14 17:15:20,293 INFO L175 Difference]: Start difference. First operand has 278 places, 273 transitions, 572 flow. Second operand 3 states and 891 transitions. [2024-10-14 17:15:20,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 272 transitions, 620 flow [2024-10-14 17:15:20,295 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 272 transitions, 616 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:20,298 INFO L231 Difference]: Finished difference. Result has 277 places, 272 transitions, 568 flow [2024-10-14 17:15:20,299 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} [2024-10-14 17:15:20,300 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -72 predicate places. [2024-10-14 17:15:20,300 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 272 transitions, 568 flow [2024-10-14 17:15:20,301 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) [2024-10-14 17:15:20,301 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:20,302 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] [2024-10-14 17:15:20,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 17:15:20,302 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)] === [2024-10-14 17:15:20,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:20,302 INFO L85 PathProgramCache]: Analyzing trace with hash -803893374, now seen corresponding path program 1 times [2024-10-14 17:15:20,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:20,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146114625] [2024-10-14 17:15:20,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:20,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:20,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:20,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146114625] [2024-10-14 17:15:20,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146114625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:20,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:20,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:20,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064395856] [2024-10-14 17:15:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:20,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:20,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:20,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:20,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:20,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 286 out of 374 [2024-10-14 17:15:20,372 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) [2024-10-14 17:15:20,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:20,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 286 of 374 [2024-10-14 17:15:20,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:20,730 INFO L124 PetriNetUnfolderBase]: 851/2191 cut-off events. [2024-10-14 17:15:20,730 INFO L125 PetriNetUnfolderBase]: For 348/348 co-relation queries the response was YES. [2024-10-14 17:15:20,738 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. [2024-10-14 17:15:20,746 INFO L140 encePairwiseOnDemand]: 371/374 looper letters, 25 selfloop transitions, 2 changer transitions 0/271 dead transitions. [2024-10-14 17:15:20,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 271 transitions, 620 flow [2024-10-14 17:15:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:20,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:20,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 884 transitions. [2024-10-14 17:15:20,749 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7878787878787878 [2024-10-14 17:15:20,749 INFO L175 Difference]: Start difference. First operand has 277 places, 272 transitions, 568 flow. Second operand 3 states and 884 transitions. [2024-10-14 17:15:20,750 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 271 transitions, 620 flow [2024-10-14 17:15:20,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 277 places, 271 transitions, 619 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 17:15:20,755 INFO L231 Difference]: Finished difference. Result has 277 places, 271 transitions, 569 flow [2024-10-14 17:15:20,755 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} [2024-10-14 17:15:20,756 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -72 predicate places. [2024-10-14 17:15:20,756 INFO L471 AbstractCegarLoop]: Abstraction has has 277 places, 271 transitions, 569 flow [2024-10-14 17:15:20,757 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) [2024-10-14 17:15:20,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 17:15:20,757 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] [2024-10-14 17:15:20,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 17:15:20,757 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)] === [2024-10-14 17:15:20,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 17:15:20,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1294401737, now seen corresponding path program 1 times [2024-10-14 17:15:20,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 17:15:20,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025917929] [2024-10-14 17:15:20,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 17:15:20,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 17:15:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 17:15:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 17:15:20,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 17:15:20,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025917929] [2024-10-14 17:15:20,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025917929] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 17:15:20,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 17:15:20,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 17:15:20,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639751804] [2024-10-14 17:15:20,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 17:15:20,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 17:15:20,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 17:15:20,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 17:15:20,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 17:15:20,850 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 289 out of 374 [2024-10-14 17:15:20,851 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) [2024-10-14 17:15:20,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 17:15:20,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 289 of 374 [2024-10-14 17:15:20,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 17:15:21,311 INFO L124 PetriNetUnfolderBase]: 1357/2994 cut-off events. [2024-10-14 17:15:21,311 INFO L125 PetriNetUnfolderBase]: For 613/614 co-relation queries the response was YES. [2024-10-14 17:15:21,326 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. [2024-10-14 17:15:21,330 INFO L140 encePairwiseOnDemand]: 366/374 looper letters, 0 selfloop transitions, 0 changer transitions 292/292 dead transitions. [2024-10-14 17:15:21,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 292 transitions, 718 flow [2024-10-14 17:15:21,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 17:15:21,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 17:15:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 910 transitions. [2024-10-14 17:15:21,332 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8110516934046346 [2024-10-14 17:15:21,332 INFO L175 Difference]: Start difference. First operand has 277 places, 271 transitions, 569 flow. Second operand 3 states and 910 transitions. [2024-10-14 17:15:21,332 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 292 transitions, 718 flow [2024-10-14 17:15:21,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 292 transitions, 714 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 17:15:21,336 INFO L231 Difference]: Finished difference. Result has 276 places, 0 transitions, 0 flow [2024-10-14 17:15:21,336 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} [2024-10-14 17:15:21,337 INFO L277 CegarLoopForPetriNet]: 349 programPoint places, -73 predicate places. [2024-10-14 17:15:21,337 INFO L471 AbstractCegarLoop]: Abstraction has has 276 places, 0 transitions, 0 flow [2024-10-14 17:15:21,338 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) [2024-10-14 17:15:21,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (120 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2024-10-14 17:15:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2024-10-14 17:15:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2024-10-14 17:15:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2024-10-14 17:15:21,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2024-10-14 17:15:21,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 121 remaining) [2024-10-14 17:15:21,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 121 remaining) [2024-10-14 17:15:21,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2024-10-14 17:15:21,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2024-10-14 17:15:21,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2024-10-14 17:15:21,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2024-10-14 17:15:21,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2024-10-14 17:15:21,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2024-10-14 17:15:21,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2024-10-14 17:15:21,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2024-10-14 17:15:21,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2024-10-14 17:15:21,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2024-10-14 17:15:21,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2024-10-14 17:15:21,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2024-10-14 17:15:21,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2024-10-14 17:15:21,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2024-10-14 17:15:21,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2024-10-14 17:15:21,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2024-10-14 17:15:21,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2024-10-14 17:15:21,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 17:15:21,352 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 17:15:21,362 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 17:15:21,362 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 17:15:21,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 05:15:21 BasicIcfg [2024-10-14 17:15:21,369 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 17:15:21,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 17:15:21,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 17:15:21,370 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 17:15:21,370 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:15:11" (3/4) ... [2024-10-14 17:15:21,372 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 17:15:21,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 17:15:21,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-14 17:15:21,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-14 17:15:21,374 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-10-14 17:15:21,384 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-10-14 17:15:21,384 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 17:15:21,385 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-14 17:15:21,385 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 17:15:21,499 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 17:15:21,500 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 17:15:21,500 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 17:15:21,500 INFO L158 Benchmark]: Toolchain (without parser) took 11746.45ms. Allocated memory was 161.5MB in the beginning and 801.1MB in the end (delta: 639.6MB). Free memory was 106.6MB in the beginning and 241.0MB in the end (delta: -134.3MB). Peak memory consumption was 508.5MB. Max. memory is 16.1GB. [2024-10-14 17:15:21,500 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 17:15:21,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.09ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 92.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 17:15:21,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.82ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 88.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:15:21,503 INFO L158 Benchmark]: Boogie Preprocessor took 73.30ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 85.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 17:15:21,504 INFO L158 Benchmark]: RCFGBuilder took 1572.39ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 85.2MB in the beginning and 94.2MB in the end (delta: -9.0MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2024-10-14 17:15:21,504 INFO L158 Benchmark]: TraceAbstraction took 9480.51ms. Allocated memory was 226.5MB in the beginning and 801.1MB in the end (delta: 574.6MB). Free memory was 93.2MB in the beginning and 248.3MB in the end (delta: -155.1MB). Peak memory consumption was 418.4MB. Max. memory is 16.1GB. [2024-10-14 17:15:21,504 INFO L158 Benchmark]: Witness Printer took 130.24ms. Allocated memory is still 801.1MB. Free memory was 248.3MB in the beginning and 241.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-14 17:15:21,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 161.5MB. Free memory is still 122.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.09ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 92.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.82ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 88.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.30ms. Allocated memory is still 161.5MB. Free memory was 88.5MB in the beginning and 85.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1572.39ms. Allocated memory was 161.5MB in the beginning and 226.5MB in the end (delta: 65.0MB). Free memory was 85.2MB in the beginning and 94.2MB in the end (delta: -9.0MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * TraceAbstraction took 9480.51ms. Allocated memory was 226.5MB in the beginning and 801.1MB in the end (delta: 574.6MB). Free memory was 93.2MB in the beginning and 248.3MB in the end (delta: -155.1MB). Peak memory consumption was 418.4MB. Max. memory is 16.1GB. * Witness Printer took 130.24ms. Allocated memory is still 801.1MB. Free memory was 248.3MB in the beginning and 241.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 9.3s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 360 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.9s 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, 1.2s 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! [2024-10-14 17:15:21,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE