./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/weaver/chl-nzb-file-subst.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 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:36:39,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:36:39,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:36:39,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:36:40,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:36:40,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:36:40,025 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:36:40,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:36:40,026 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:36:40,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:36:40,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:36:40,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:36:40,027 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:36:40,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:36:40,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:36:40,027 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:36:40,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:36:40,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:36:40,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:36:40,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:36:40,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:36:40,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:36:40,033 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:36:40,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:36:40,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:36:40,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:36:40,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:36:40,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:36:40,034 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:36:40,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:36:40,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:36:40,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:36:40,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:36:40,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:36:40,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:36:40,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:36:40,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:36:40,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:36:40,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:36:40,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:36:40,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:36:40,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47976145f2a7f206dd7d2e7a0ffeac879f94f33f7a5b87161ebd997173567eb0 [2024-11-10 14:36:40,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:36:40,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:36:40,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:36:40,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:36:40,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:36:40,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-11-10 14:36:41,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:36:41,791 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:36:41,791 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-subst.wvr.c [2024-11-10 14:36:41,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28422c1/25f4494668f649bfacfcd584f5707303/FLAG25b0a44c3 [2024-11-10 14:36:41,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad28422c1/25f4494668f649bfacfcd584f5707303 [2024-11-10 14:36:41,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:36:41,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:36:41,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:36:41,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:36:41,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:36:41,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:36:41" (1/1) ... [2024-11-10 14:36:41,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad3c533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:41, skipping insertion in model container [2024-11-10 14:36:41,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:36:41" (1/1) ... [2024-11-10 14:36:41,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:36:42,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:36:42,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:36:42,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:36:42,217 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:36:42,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42 WrapperNode [2024-11-10 14:36:42,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:36:42,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:36:42,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:36:42,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:36:42,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,275 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1319 [2024-11-10 14:36:42,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:36:42,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:36:42,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:36:42,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:36:42,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,294 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,333 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:36:42,347 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:36:42,347 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:36:42,347 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:36:42,347 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (1/1) ... [2024-11-10 14:36:42,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:36:42,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:36:42,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:36:42,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:36:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:36:42,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:36:42,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:36:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:36:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:36:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:36:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:36:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:36:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:36:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:36:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:36:42,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:36:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:36:42,428 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:36:42,640 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:36:42,642 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:36:43,890 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:36:43,890 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:36:43,958 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:36:43,958 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:36:43,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:43 BoogieIcfgContainer [2024-11-10 14:36:43,958 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:36:43,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:36:43,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:36:43,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:36:43,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:36:41" (1/3) ... [2024-11-10 14:36:43,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a7ee0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:36:43, skipping insertion in model container [2024-11-10 14:36:43,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:36:42" (2/3) ... [2024-11-10 14:36:43,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49a7ee0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:36:43, skipping insertion in model container [2024-11-10 14:36:43,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:36:43" (3/3) ... [2024-11-10 14:36:43,967 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-subst.wvr.c [2024-11-10 14:36:43,981 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:36:43,982 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 227 error locations. [2024-11-10 14:36:43,982 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:36:44,163 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:36:44,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1682 places, 1783 transitions, 3587 flow [2024-11-10 14:36:45,234 INFO L124 PetriNetUnfolderBase]: 111/1780 cut-off events. [2024-11-10 14:36:45,235 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:36:45,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1793 conditions, 1780 events. 111/1780 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 7730 event pairs, 0 based on Foata normal form. 0/1442 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2024-11-10 14:36:45,296 INFO L82 GeneralOperation]: Start removeDead. Operand has 1682 places, 1783 transitions, 3587 flow [2024-11-10 14:36:45,348 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1659 places, 1757 transitions, 3532 flow [2024-11-10 14:36:45,359 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:36:45,364 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;@fda5dcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:36:45,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 428 error locations. [2024-11-10 14:36:45,369 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:36:45,369 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-11-10 14:36:45,369 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:36:45,370 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:45,370 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] [2024-11-10 14:36:45,371 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:36:45,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:45,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1637993147, now seen corresponding path program 1 times [2024-11-10 14:36:45,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:45,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640262595] [2024-11-10 14:36:45,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:45,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:45,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:45,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640262595] [2024-11-10 14:36:45,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640262595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:45,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:45,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:45,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034324727] [2024-11-10 14:36:45,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:45,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:45,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:45,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:45,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:45,650 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-10 14:36:45,661 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1659 places, 1757 transitions, 3532 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:45,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:45,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-10 14:36:45,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:47,373 INFO L124 PetriNetUnfolderBase]: 171/3531 cut-off events. [2024-11-10 14:36:47,374 INFO L125 PetriNetUnfolderBase]: For 17/19 co-relation queries the response was YES. [2024-11-10 14:36:47,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3580 conditions, 3531 events. 171/3531 cut-off events. For 17/19 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 21631 event pairs, 7 based on Foata normal form. 113/2924 useless extension candidates. Maximal degree in co-relation 3191. Up to 25 conditions per place. [2024-11-10 14:36:47,534 INFO L140 encePairwiseOnDemand]: 1744/1783 looper letters, 11 selfloop transitions, 2 changer transitions 6/1720 dead transitions. [2024-11-10 14:36:47,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1660 places, 1720 transitions, 3484 flow [2024-11-10 14:36:47,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5240 transitions. [2024-11-10 14:36:47,567 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9796223593194989 [2024-11-10 14:36:47,569 INFO L175 Difference]: Start difference. First operand has 1659 places, 1757 transitions, 3532 flow. Second operand 3 states and 5240 transitions. [2024-11-10 14:36:47,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1660 places, 1720 transitions, 3484 flow [2024-11-10 14:36:47,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1654 places, 1720 transitions, 3472 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:36:47,616 INFO L231 Difference]: Finished difference. Result has 1654 places, 1714 transitions, 3438 flow [2024-11-10 14:36:47,622 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3446, PETRI_DIFFERENCE_MINUEND_PLACES=1652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1720, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1718, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3438, PETRI_PLACES=1654, PETRI_TRANSITIONS=1714} [2024-11-10 14:36:47,625 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -5 predicate places. [2024-11-10 14:36:47,628 INFO L471 AbstractCegarLoop]: Abstraction has has 1654 places, 1714 transitions, 3438 flow [2024-11-10 14:36:47,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:47,631 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:47,631 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:47,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:36:47,632 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:36:47,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1873747439, now seen corresponding path program 1 times [2024-11-10 14:36:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:47,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445189278] [2024-11-10 14:36:47,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:47,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:47,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:47,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445189278] [2024-11-10 14:36:47,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445189278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:47,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:47,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:47,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790403070] [2024-11-10 14:36:47,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:47,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:47,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:47,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:47,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:47,839 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-10 14:36:47,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1654 places, 1714 transitions, 3438 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:47,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:47,855 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-10 14:36:47,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:49,343 INFO L124 PetriNetUnfolderBase]: 171/3524 cut-off events. [2024-11-10 14:36:49,344 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-10 14:36:49,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3562 conditions, 3524 events. 171/3524 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 22738 event pairs, 7 based on Foata normal form. 0/2812 useless extension candidates. Maximal degree in co-relation 3516. Up to 25 conditions per place. [2024-11-10 14:36:49,516 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1713 dead transitions. [2024-11-10 14:36:49,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1649 places, 1713 transitions, 3462 flow [2024-11-10 14:36:49,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-10 14:36:49,530 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-10 14:36:49,531 INFO L175 Difference]: Start difference. First operand has 1654 places, 1714 transitions, 3438 flow. Second operand 3 states and 5204 transitions. [2024-11-10 14:36:49,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1649 places, 1713 transitions, 3462 flow [2024-11-10 14:36:49,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1647 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:49,559 INFO L231 Difference]: Finished difference. Result has 1647 places, 1713 transitions, 3436 flow [2024-11-10 14:36:49,562 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3436, PETRI_PLACES=1647, PETRI_TRANSITIONS=1713} [2024-11-10 14:36:49,563 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -12 predicate places. [2024-11-10 14:36:49,563 INFO L471 AbstractCegarLoop]: Abstraction has has 1647 places, 1713 transitions, 3436 flow [2024-11-10 14:36:49,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:49,566 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:49,566 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:49,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:36:49,567 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:36:49,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:49,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1394449207, now seen corresponding path program 1 times [2024-11-10 14:36:49,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:49,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740052847] [2024-11-10 14:36:49,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:49,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:49,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:49,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:49,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740052847] [2024-11-10 14:36:49,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740052847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:49,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:49,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:49,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763403964] [2024-11-10 14:36:49,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:49,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:49,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:49,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:49,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:49,660 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-10 14:36:49,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1647 places, 1713 transitions, 3436 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:49,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:49,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-10 14:36:49,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:51,283 INFO L124 PetriNetUnfolderBase]: 123/2622 cut-off events. [2024-11-10 14:36:51,283 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:36:51,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2655 conditions, 2622 events. 123/2622 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14367 event pairs, 5 based on Foata normal form. 0/2106 useless extension candidates. Maximal degree in co-relation 2601. Up to 22 conditions per place. [2024-11-10 14:36:51,368 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1712 dead transitions. [2024-11-10 14:36:51,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1648 places, 1712 transitions, 3460 flow [2024-11-10 14:36:51,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-10 14:36:51,374 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-10 14:36:51,375 INFO L175 Difference]: Start difference. First operand has 1647 places, 1713 transitions, 3436 flow. Second operand 3 states and 5204 transitions. [2024-11-10 14:36:51,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1648 places, 1712 transitions, 3460 flow [2024-11-10 14:36:51,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1712 transitions, 3456 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:51,393 INFO L231 Difference]: Finished difference. Result has 1646 places, 1712 transitions, 3434 flow [2024-11-10 14:36:51,396 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3430, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1710, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3434, PETRI_PLACES=1646, PETRI_TRANSITIONS=1712} [2024-11-10 14:36:51,397 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -13 predicate places. [2024-11-10 14:36:51,397 INFO L471 AbstractCegarLoop]: Abstraction has has 1646 places, 1712 transitions, 3434 flow [2024-11-10 14:36:51,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:51,400 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:51,401 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:51,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:36:51,401 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:36:51,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:51,402 INFO L85 PathProgramCache]: Analyzing trace with hash 725833535, now seen corresponding path program 1 times [2024-11-10 14:36:51,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:51,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004952951] [2024-11-10 14:36:51,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:51,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:51,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:51,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004952951] [2024-11-10 14:36:51,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004952951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:51,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:51,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:51,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525370913] [2024-11-10 14:36:51,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:51,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:51,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:51,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:51,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:51,475 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-10 14:36:51,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1712 transitions, 3434 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:51,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:51,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-10 14:36:51,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:52,555 INFO L124 PetriNetUnfolderBase]: 123/2621 cut-off events. [2024-11-10 14:36:52,556 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:36:52,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2654 conditions, 2621 events. 123/2621 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14935 event pairs, 5 based on Foata normal form. 0/2107 useless extension candidates. Maximal degree in co-relation 2592. Up to 22 conditions per place. [2024-11-10 14:36:52,723 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1711 dead transitions. [2024-11-10 14:36:52,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1647 places, 1711 transitions, 3458 flow [2024-11-10 14:36:52,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:52,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-10 14:36:52,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-10 14:36:52,730 INFO L175 Difference]: Start difference. First operand has 1646 places, 1712 transitions, 3434 flow. Second operand 3 states and 5204 transitions. [2024-11-10 14:36:52,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1647 places, 1711 transitions, 3458 flow [2024-11-10 14:36:52,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1645 places, 1711 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:52,751 INFO L231 Difference]: Finished difference. Result has 1645 places, 1711 transitions, 3432 flow [2024-11-10 14:36:52,753 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3428, PETRI_DIFFERENCE_MINUEND_PLACES=1643, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3432, PETRI_PLACES=1645, PETRI_TRANSITIONS=1711} [2024-11-10 14:36:52,754 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -14 predicate places. [2024-11-10 14:36:52,754 INFO L471 AbstractCegarLoop]: Abstraction has has 1645 places, 1711 transitions, 3432 flow [2024-11-10 14:36:52,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:52,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:52,757 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] [2024-11-10 14:36:52,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:36:52,759 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:36:52,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:52,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1072265822, now seen corresponding path program 1 times [2024-11-10 14:36:52,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:52,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795057936] [2024-11-10 14:36:52,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:52,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:52,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:52,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:52,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795057936] [2024-11-10 14:36:52,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795057936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:52,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:52,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:52,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091063313] [2024-11-10 14:36:52,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:52,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:52,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:52,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:52,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:52,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-10 14:36:52,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1645 places, 1711 transitions, 3432 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:52,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:52,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-10 14:36:52,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:53,605 INFO L124 PetriNetUnfolderBase]: 102/2171 cut-off events. [2024-11-10 14:36:53,605 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-10 14:36:53,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2206 conditions, 2171 events. 102/2171 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10923 event pairs, 7 based on Foata normal form. 0/1753 useless extension candidates. Maximal degree in co-relation 2136. Up to 25 conditions per place. [2024-11-10 14:36:53,741 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1710 dead transitions. [2024-11-10 14:36:53,741 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1646 places, 1710 transitions, 3456 flow [2024-11-10 14:36:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:53,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-10 14:36:53,748 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-10 14:36:53,748 INFO L175 Difference]: Start difference. First operand has 1645 places, 1711 transitions, 3432 flow. Second operand 3 states and 5204 transitions. [2024-11-10 14:36:53,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1646 places, 1710 transitions, 3456 flow [2024-11-10 14:36:53,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1644 places, 1710 transitions, 3452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:53,769 INFO L231 Difference]: Finished difference. Result has 1644 places, 1710 transitions, 3430 flow [2024-11-10 14:36:53,771 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3426, PETRI_DIFFERENCE_MINUEND_PLACES=1642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1708, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3430, PETRI_PLACES=1644, PETRI_TRANSITIONS=1710} [2024-11-10 14:36:53,772 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -15 predicate places. [2024-11-10 14:36:53,772 INFO L471 AbstractCegarLoop]: Abstraction has has 1644 places, 1710 transitions, 3430 flow [2024-11-10 14:36:53,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:53,775 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:53,775 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:36:53,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:36:53,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:36:53,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:53,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1818654745, now seen corresponding path program 1 times [2024-11-10 14:36:53,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:53,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712257066] [2024-11-10 14:36:53,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:53,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:53,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:53,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712257066] [2024-11-10 14:36:53,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712257066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:53,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:53,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:53,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226698098] [2024-11-10 14:36:53,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:53,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:53,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:53,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:53,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:53,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1730 out of 1783 [2024-11-10 14:36:53,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:53,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:53,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1730 of 1783 [2024-11-10 14:36:53,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:54,793 INFO L124 PetriNetUnfolderBase]: 102/2170 cut-off events. [2024-11-10 14:36:54,794 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-10 14:36:54,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2205 conditions, 2170 events. 102/2170 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11190 event pairs, 7 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 2127. Up to 25 conditions per place. [2024-11-10 14:36:54,908 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 11 selfloop transitions, 2 changer transitions 0/1709 dead transitions. [2024-11-10 14:36:54,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1645 places, 1709 transitions, 3454 flow [2024-11-10 14:36:54,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:54,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5204 transitions. [2024-11-10 14:36:54,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9728921293699757 [2024-11-10 14:36:54,915 INFO L175 Difference]: Start difference. First operand has 1644 places, 1710 transitions, 3430 flow. Second operand 3 states and 5204 transitions. [2024-11-10 14:36:54,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1645 places, 1709 transitions, 3454 flow [2024-11-10 14:36:54,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1643 places, 1709 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:36:54,940 INFO L231 Difference]: Finished difference. Result has 1643 places, 1709 transitions, 3428 flow [2024-11-10 14:36:54,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3424, PETRI_DIFFERENCE_MINUEND_PLACES=1641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3428, PETRI_PLACES=1643, PETRI_TRANSITIONS=1709} [2024-11-10 14:36:54,943 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -16 predicate places. [2024-11-10 14:36:54,944 INFO L471 AbstractCegarLoop]: Abstraction has has 1643 places, 1709 transitions, 3428 flow [2024-11-10 14:36:54,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1731.3333333333333) internal successors, (5194), 3 states have internal predecessors, (5194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:54,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:36:54,947 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] [2024-11-10 14:36:54,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:36:54,947 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:36:54,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:36:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1532979851, now seen corresponding path program 1 times [2024-11-10 14:36:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:36:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054819782] [2024-11-10 14:36:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:36:54,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:36:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:36:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:36:54,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:36:54,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054819782] [2024-11-10 14:36:54,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054819782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:36:54,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:36:54,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:36:54,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401779901] [2024-11-10 14:36:54,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:36:54,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:36:54,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:36:54,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:36:54,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:36:55,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1722 out of 1783 [2024-11-10 14:36:55,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand has 3 states, 3 states have (on average 1723.3333333333333) internal successors, (5170), 3 states have internal predecessors, (5170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:36:55,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:36:55,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1722 of 1783 [2024-11-10 14:36:55,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:36:59,474 INFO L124 PetriNetUnfolderBase]: 504/9853 cut-off events. [2024-11-10 14:36:59,475 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-10 14:36:59,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9936 conditions, 9853 events. 504/9853 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 88728 event pairs, 18 based on Foata normal form. 0/7776 useless extension candidates. Maximal degree in co-relation 9850. Up to 56 conditions per place. [2024-11-10 14:36:59,868 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 19 selfloop transitions, 2 changer transitions 0/1708 dead transitions. [2024-11-10 14:36:59,868 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1644 places, 1708 transitions, 3468 flow [2024-11-10 14:36:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:36:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:36:59,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5188 transitions. [2024-11-10 14:36:59,875 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9699009160590765 [2024-11-10 14:36:59,875 INFO L175 Difference]: Start difference. First operand has 1643 places, 1709 transitions, 3428 flow. Second operand 3 states and 5188 transitions. [2024-11-10 14:36:59,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1644 places, 1708 transitions, 3468 flow [2024-11-10 14:36:59,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1642 places, 1708 transitions, 3464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:00,012 INFO L231 Difference]: Finished difference. Result has 1642 places, 1708 transitions, 3426 flow [2024-11-10 14:37:00,014 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3422, PETRI_DIFFERENCE_MINUEND_PLACES=1640, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3426, PETRI_PLACES=1642, PETRI_TRANSITIONS=1708} [2024-11-10 14:37:00,015 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -17 predicate places. [2024-11-10 14:37:00,015 INFO L471 AbstractCegarLoop]: Abstraction has has 1642 places, 1708 transitions, 3426 flow [2024-11-10 14:37:00,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1723.3333333333333) internal successors, (5170), 3 states have internal predecessors, (5170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:00,017 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:00,017 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] [2024-11-10 14:37:00,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:37:00,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:00,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:00,018 INFO L85 PathProgramCache]: Analyzing trace with hash 646301813, now seen corresponding path program 1 times [2024-11-10 14:37:00,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:00,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447896115] [2024-11-10 14:37:00,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:00,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:00,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:00,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:00,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447896115] [2024-11-10 14:37:00,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447896115] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:00,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:00,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:00,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649694456] [2024-11-10 14:37:00,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:00,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:00,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:00,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:00,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:00,139 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1717 out of 1783 [2024-11-10 14:37:00,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:00,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:00,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1717 of 1783 [2024-11-10 14:37:00,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:06,829 INFO L124 PetriNetUnfolderBase]: 792/15282 cut-off events. [2024-11-10 14:37:06,829 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-10 14:37:07,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15406 conditions, 15282 events. 792/15282 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 154198 event pairs, 30 based on Foata normal form. 0/12034 useless extension candidates. Maximal degree in co-relation 15312. Up to 85 conditions per place. [2024-11-10 14:37:07,662 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 24 selfloop transitions, 2 changer transitions 0/1707 dead transitions. [2024-11-10 14:37:07,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1643 places, 1707 transitions, 3476 flow [2024-11-10 14:37:07,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:07,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5178 transitions. [2024-11-10 14:37:07,668 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680314077397645 [2024-11-10 14:37:07,668 INFO L175 Difference]: Start difference. First operand has 1642 places, 1708 transitions, 3426 flow. Second operand 3 states and 5178 transitions. [2024-11-10 14:37:07,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1643 places, 1707 transitions, 3476 flow [2024-11-10 14:37:07,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1641 places, 1707 transitions, 3472 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:07,687 INFO L231 Difference]: Finished difference. Result has 1641 places, 1707 transitions, 3424 flow [2024-11-10 14:37:07,689 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3420, PETRI_DIFFERENCE_MINUEND_PLACES=1639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1641, PETRI_TRANSITIONS=1707} [2024-11-10 14:37:07,691 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -18 predicate places. [2024-11-10 14:37:07,692 INFO L471 AbstractCegarLoop]: Abstraction has has 1641 places, 1707 transitions, 3424 flow [2024-11-10 14:37:07,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:07,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:07,693 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] [2024-11-10 14:37:07,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:37:07,695 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:07,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:07,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2125074003, now seen corresponding path program 1 times [2024-11-10 14:37:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:07,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073726638] [2024-11-10 14:37:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:07,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:07,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073726638] [2024-11-10 14:37:07,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073726638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:07,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:07,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:07,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078181308] [2024-11-10 14:37:07,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:07,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:07,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:07,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:07,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:07,801 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1783 [2024-11-10 14:37:07,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:07,804 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:07,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1783 [2024-11-10 14:37:07,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:10,538 INFO L124 PetriNetUnfolderBase]: 297/5783 cut-off events. [2024-11-10 14:37:10,539 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-10 14:37:10,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5858 conditions, 5783 events. 297/5783 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42735 event pairs, 18 based on Foata normal form. 0/4588 useless extension candidates. Maximal degree in co-relation 5756. Up to 57 conditions per place. [2024-11-10 14:37:10,956 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 20 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-11-10 14:37:10,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1642 places, 1706 transitions, 3466 flow [2024-11-10 14:37:10,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:10,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5186 transitions. [2024-11-10 14:37:10,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.969527014395214 [2024-11-10 14:37:10,961 INFO L175 Difference]: Start difference. First operand has 1641 places, 1707 transitions, 3424 flow. Second operand 3 states and 5186 transitions. [2024-11-10 14:37:10,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1642 places, 1706 transitions, 3466 flow [2024-11-10 14:37:10,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1640 places, 1706 transitions, 3462 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:10,978 INFO L231 Difference]: Finished difference. Result has 1640 places, 1706 transitions, 3422 flow [2024-11-10 14:37:10,979 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1640, PETRI_TRANSITIONS=1706} [2024-11-10 14:37:10,980 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -19 predicate places. [2024-11-10 14:37:10,980 INFO L471 AbstractCegarLoop]: Abstraction has has 1640 places, 1706 transitions, 3422 flow [2024-11-10 14:37:10,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:10,982 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:10,982 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] [2024-11-10 14:37:10,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:37:10,982 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:10,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:10,982 INFO L85 PathProgramCache]: Analyzing trace with hash 680567646, now seen corresponding path program 1 times [2024-11-10 14:37:10,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:10,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173194603] [2024-11-10 14:37:10,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:10,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:11,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:11,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:11,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173194603] [2024-11-10 14:37:11,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173194603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:11,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:11,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:11,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896073509] [2024-11-10 14:37:11,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:11,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:11,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:11,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:11,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:11,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1717 out of 1783 [2024-11-10 14:37:11,090 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:11,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:11,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1717 of 1783 [2024-11-10 14:37:11,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:15,390 INFO L124 PetriNetUnfolderBase]: 447/8500 cut-off events. [2024-11-10 14:37:15,390 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-10 14:37:15,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8609 conditions, 8500 events. 447/8500 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 71579 event pairs, 30 based on Foata normal form. 0/6714 useless extension candidates. Maximal degree in co-relation 8499. Up to 85 conditions per place. [2024-11-10 14:37:15,837 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 24 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-11-10 14:37:15,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1705 transitions, 3472 flow [2024-11-10 14:37:15,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5178 transitions. [2024-11-10 14:37:15,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680314077397645 [2024-11-10 14:37:15,844 INFO L175 Difference]: Start difference. First operand has 1640 places, 1706 transitions, 3422 flow. Second operand 3 states and 5178 transitions. [2024-11-10 14:37:15,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1705 transitions, 3472 flow [2024-11-10 14:37:15,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1705 transitions, 3468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:15,864 INFO L231 Difference]: Finished difference. Result has 1639 places, 1705 transitions, 3420 flow [2024-11-10 14:37:15,866 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1639, PETRI_TRANSITIONS=1705} [2024-11-10 14:37:15,867 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -20 predicate places. [2024-11-10 14:37:15,867 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1705 transitions, 3420 flow [2024-11-10 14:37:15,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:15,868 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:15,868 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] [2024-11-10 14:37:15,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:37:15,868 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:15,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:15,869 INFO L85 PathProgramCache]: Analyzing trace with hash 976494802, now seen corresponding path program 1 times [2024-11-10 14:37:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685265411] [2024-11-10 14:37:15,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:15,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:15,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:15,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685265411] [2024-11-10 14:37:15,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685265411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:15,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:15,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:15,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261679243] [2024-11-10 14:37:15,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:15,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:15,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:15,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:15,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1783 [2024-11-10 14:37:15,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:15,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:15,955 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1783 [2024-11-10 14:37:15,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:16,984 INFO L124 PetriNetUnfolderBase]: 90/1740 cut-off events. [2024-11-10 14:37:16,985 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-10 14:37:17,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 1740 events. 90/1740 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8625 event pairs, 18 based on Foata normal form. 0/1426 useless extension candidates. Maximal degree in co-relation 1688. Up to 57 conditions per place. [2024-11-10 14:37:17,048 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 20 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-11-10 14:37:17,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1704 transitions, 3462 flow [2024-11-10 14:37:17,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:17,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5186 transitions. [2024-11-10 14:37:17,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.969527014395214 [2024-11-10 14:37:17,054 INFO L175 Difference]: Start difference. First operand has 1639 places, 1705 transitions, 3420 flow. Second operand 3 states and 5186 transitions. [2024-11-10 14:37:17,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1704 transitions, 3462 flow [2024-11-10 14:37:17,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1704 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:17,070 INFO L231 Difference]: Finished difference. Result has 1638 places, 1704 transitions, 3418 flow [2024-11-10 14:37:17,071 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1638, PETRI_TRANSITIONS=1704} [2024-11-10 14:37:17,072 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -21 predicate places. [2024-11-10 14:37:17,072 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1704 transitions, 3418 flow [2024-11-10 14:37:17,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:17,073 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:17,073 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] [2024-11-10 14:37:17,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:37:17,074 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:17,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:17,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2047079555, now seen corresponding path program 1 times [2024-11-10 14:37:17,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:17,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928129426] [2024-11-10 14:37:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:17,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:17,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928129426] [2024-11-10 14:37:17,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928129426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:17,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:17,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:17,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038420202] [2024-11-10 14:37:17,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:17,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:17,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:17,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:17,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:17,158 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1717 out of 1783 [2024-11-10 14:37:17,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:17,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:17,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1717 of 1783 [2024-11-10 14:37:17,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:18,130 INFO L124 PetriNetUnfolderBase]: 135/2400 cut-off events. [2024-11-10 14:37:18,130 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-10 14:37:18,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2495 conditions, 2400 events. 135/2400 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13913 event pairs, 30 based on Foata normal form. 0/1939 useless extension candidates. Maximal degree in co-relation 2369. Up to 86 conditions per place. [2024-11-10 14:37:18,219 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 24 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-11-10 14:37:18,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1703 transitions, 3468 flow [2024-11-10 14:37:18,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:18,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5178 transitions. [2024-11-10 14:37:18,224 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9680314077397645 [2024-11-10 14:37:18,224 INFO L175 Difference]: Start difference. First operand has 1638 places, 1704 transitions, 3418 flow. Second operand 3 states and 5178 transitions. [2024-11-10 14:37:18,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1703 transitions, 3468 flow [2024-11-10 14:37:18,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1703 transitions, 3464 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:18,239 INFO L231 Difference]: Finished difference. Result has 1637 places, 1703 transitions, 3416 flow [2024-11-10 14:37:18,241 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1637, PETRI_TRANSITIONS=1703} [2024-11-10 14:37:18,241 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -22 predicate places. [2024-11-10 14:37:18,241 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1703 transitions, 3416 flow [2024-11-10 14:37:18,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1718.3333333333333) internal successors, (5155), 3 states have internal predecessors, (5155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:18,242 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:18,243 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] [2024-11-10 14:37:18,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:37:18,243 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:18,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:18,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1021904367, now seen corresponding path program 1 times [2024-11-10 14:37:18,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:18,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673592686] [2024-11-10 14:37:18,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:18,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:18,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:18,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673592686] [2024-11-10 14:37:18,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673592686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:18,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:18,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:18,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126239065] [2024-11-10 14:37:18,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:18,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:18,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:18,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:18,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:18,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1783 [2024-11-10 14:37:18,316 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:18,316 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:18,316 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1783 [2024-11-10 14:37:18,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:22,128 INFO L124 PetriNetUnfolderBase]: 734/13410 cut-off events. [2024-11-10 14:37:22,129 INFO L125 PetriNetUnfolderBase]: For 5/9 co-relation queries the response was YES. [2024-11-10 14:37:22,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13577 conditions, 13410 events. 734/13410 cut-off events. For 5/9 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 144613 event pairs, 64 based on Foata normal form. 0/10578 useless extension candidates. Maximal degree in co-relation 13443. Up to 130 conditions per place. [2024-11-10 14:37:22,564 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 17 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2024-11-10 14:37:22,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1702 transitions, 3452 flow [2024-11-10 14:37:22,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:22,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5192 transitions. [2024-11-10 14:37:22,568 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9706487193868013 [2024-11-10 14:37:22,569 INFO L175 Difference]: Start difference. First operand has 1637 places, 1703 transitions, 3416 flow. Second operand 3 states and 5192 transitions. [2024-11-10 14:37:22,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1702 transitions, 3452 flow [2024-11-10 14:37:22,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1702 transitions, 3448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:22,590 INFO L231 Difference]: Finished difference. Result has 1636 places, 1702 transitions, 3414 flow [2024-11-10 14:37:22,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1636, PETRI_TRANSITIONS=1702} [2024-11-10 14:37:22,592 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -23 predicate places. [2024-11-10 14:37:22,592 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1702 transitions, 3414 flow [2024-11-10 14:37:22,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:22,593 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:22,593 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] [2024-11-10 14:37:22,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:37:22,593 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:22,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:22,594 INFO L85 PathProgramCache]: Analyzing trace with hash 423755916, now seen corresponding path program 1 times [2024-11-10 14:37:22,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:22,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690997696] [2024-11-10 14:37:22,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:22,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:22,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:22,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:22,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690997696] [2024-11-10 14:37:22,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690997696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:22,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:22,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:22,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987792565] [2024-11-10 14:37:22,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:22,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:22,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:22,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:22,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:22,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1783 [2024-11-10 14:37:22,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:22,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:22,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1783 [2024-11-10 14:37:22,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:37:25,195 INFO L124 PetriNetUnfolderBase]: 334/6225 cut-off events. [2024-11-10 14:37:25,195 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-10 14:37:25,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6324 conditions, 6225 events. 334/6225 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 52551 event pairs, 32 based on Foata normal form. 0/4935 useless extension candidates. Maximal degree in co-relation 6182. Up to 82 conditions per place. [2024-11-10 14:37:25,414 INFO L140 encePairwiseOnDemand]: 1780/1783 looper letters, 17 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2024-11-10 14:37:25,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1701 transitions, 3450 flow [2024-11-10 14:37:25,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:37:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:37:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5192 transitions. [2024-11-10 14:37:25,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9706487193868013 [2024-11-10 14:37:25,417 INFO L175 Difference]: Start difference. First operand has 1636 places, 1702 transitions, 3414 flow. Second operand 3 states and 5192 transitions. [2024-11-10 14:37:25,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1701 transitions, 3450 flow [2024-11-10 14:37:25,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1701 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:37:25,431 INFO L231 Difference]: Finished difference. Result has 1635 places, 1701 transitions, 3412 flow [2024-11-10 14:37:25,432 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1783, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1635, PETRI_TRANSITIONS=1701} [2024-11-10 14:37:25,432 INFO L277 CegarLoopForPetriNet]: 1659 programPoint places, -24 predicate places. [2024-11-10 14:37:25,432 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1701 transitions, 3412 flow [2024-11-10 14:37:25,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,433 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:37:25,433 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] [2024-11-10 14:37:25,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:37:25,433 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err56ASSERT_VIOLATIONDATA_RACE, thread1Err65ASSERT_VIOLATIONDATA_RACE, thread1Err55ASSERT_VIOLATIONDATA_RACE, thread1Err64ASSERT_VIOLATIONDATA_RACE (and 424 more)] === [2024-11-10 14:37:25,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:37:25,434 INFO L85 PathProgramCache]: Analyzing trace with hash -141085243, now seen corresponding path program 1 times [2024-11-10 14:37:25,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:37:25,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037665725] [2024-11-10 14:37:25,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:37:25,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:37:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:37:25,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:37:25,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:37:25,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037665725] [2024-11-10 14:37:25,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037665725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:37:25,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:37:25,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:37:25,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777159864] [2024-11-10 14:37:25,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:37:25,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:37:25,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:37:25,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:37:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:37:25,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1724 out of 1783 [2024-11-10 14:37:25,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1725.3333333333333) internal successors, (5176), 3 states have internal predecessors, (5176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:37:25,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:37:25,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1724 of 1783 [2024-11-10 14:37:25,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand