./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/goblint-regression/09-regions_01-list_rc.i -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 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:49:36,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:49:36,866 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:49:36,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:49:36,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:49:36,893 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:49:36,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:49:36,894 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:49:36,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:49:36,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:49:36,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:49:36,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:49:36,898 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:49:36,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:49:36,900 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:49:36,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:49:36,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:49:36,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:49:36,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:49:36,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:49:36,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:49:36,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:49:36,903 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:49:36,903 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:49:36,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:49:36,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:49:36,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:49:36,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:49:36,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:49:36,906 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:49:36,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:49:36,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:36,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:49:36,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:49:36,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:49:36,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:49:36,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:49:36,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:49:36,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:49:36,909 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:49:36,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:49:36,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3468cfea1e2552ee69c1236196f7193e72e290c81920516b4f57e05ea8ee84cc [2024-11-19 05:49:37,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:49:37,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:49:37,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:49:37,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:49:37,196 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:49:37,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-11-19 05:49:38,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:49:38,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:49:38,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_01-list_rc.i [2024-11-19 05:49:38,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2289220/4050ae1e795846b59ed2529ca9ff7f61/FLAGe0db6979b [2024-11-19 05:49:39,259 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa2289220/4050ae1e795846b59ed2529ca9ff7f61 [2024-11-19 05:49:39,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:49:39,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:49:39,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:39,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:49:39,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:49:39,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:39" (1/1) ... [2024-11-19 05:49:39,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b88c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:39, skipping insertion in model container [2024-11-19 05:49:39,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:49:39" (1/1) ... [2024-11-19 05:49:39,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:49:39,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:39,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:49:40,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:49:40,164 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:49:40,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40 WrapperNode [2024-11-19 05:49:40,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:49:40,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:40,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:49:40,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:49:40,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,248 INFO L138 Inliner]: procedures = 368, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2024-11-19 05:49:40,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:49:40,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:49:40,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:49:40,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:49:40,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:49:40,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:49:40,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:49:40,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:49:40,325 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (1/1) ... [2024-11-19 05:49:40,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:49:40,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:49:40,365 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) [2024-11-19 05:49:40,371 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 [2024-11-19 05:49:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-19 05:49:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-19 05:49:40,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:49:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:49:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-19 05:49:40,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:49:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:49:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-19 05:49:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-19 05:49:40,418 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-19 05:49:40,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:49:40,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:49:40,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:49:40,421 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:49:40,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:49:40,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:49:40,953 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:49:40,953 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:49:40,993 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:49:40,994 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:49:40,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:40 BoogieIcfgContainer [2024-11-19 05:49:40,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:49:40,997 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:49:40,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:49:41,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:49:41,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:49:39" (1/3) ... [2024-11-19 05:49:41,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f6a5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:41, skipping insertion in model container [2024-11-19 05:49:41,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:49:40" (2/3) ... [2024-11-19 05:49:41,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f6a5c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:49:41, skipping insertion in model container [2024-11-19 05:49:41,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:49:40" (3/3) ... [2024-11-19 05:49:41,006 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2024-11-19 05:49:41,023 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:49:41,024 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-19 05:49:41,024 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:49:41,129 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:49:41,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 199 transitions, 402 flow [2024-11-19 05:49:41,249 INFO L124 PetriNetUnfolderBase]: 0/198 cut-off events. [2024-11-19 05:49:41,251 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:41,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 198 events. 0/198 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 85 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-19 05:49:41,257 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 199 transitions, 402 flow [2024-11-19 05:49:41,264 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 198 transitions, 399 flow [2024-11-19 05:49:41,278 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:49:41,285 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;@40fd2394, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:49:41,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2024-11-19 05:49:41,297 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:49:41,298 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2024-11-19 05:49:41,298 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:41,298 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:41,299 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:41,300 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:41,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:41,306 INFO L85 PathProgramCache]: Analyzing trace with hash 591670127, now seen corresponding path program 1 times [2024-11-19 05:49:41,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:41,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114404260] [2024-11-19 05:49:41,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:41,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:42,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:42,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114404260] [2024-11-19 05:49:42,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114404260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:42,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:42,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:42,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955955492] [2024-11-19 05:49:42,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:42,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:42,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:42,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:42,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:42,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-11-19 05:49:42,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 399 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-19 05:49:42,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:42,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-11-19 05:49:42,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:43,065 INFO L124 PetriNetUnfolderBase]: 220/1022 cut-off events. [2024-11-19 05:49:43,065 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:43,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 1022 events. 220/1022 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5351 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1398. Up to 488 conditions per place. [2024-11-19 05:49:43,082 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/196 dead transitions. [2024-11-19 05:49:43,082 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 196 transitions, 509 flow [2024-11-19 05:49:43,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-11-19 05:49:43,102 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-11-19 05:49:43,106 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 399 flow. Second operand 6 states and 899 transitions. [2024-11-19 05:49:43,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 196 transitions, 509 flow [2024-11-19 05:49:43,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 508 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:43,118 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 414 flow [2024-11-19 05:49:43,121 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-11-19 05:49:43,127 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 2 predicate places. [2024-11-19 05:49:43,128 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 414 flow [2024-11-19 05:49:43,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-19 05:49:43,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:43,129 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] [2024-11-19 05:49:43,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:49:43,129 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:43,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:43,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1151147682, now seen corresponding path program 1 times [2024-11-19 05:49:43,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:43,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467840792] [2024-11-19 05:49:43,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:43,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:43,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:43,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:43,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467840792] [2024-11-19 05:49:43,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467840792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:43,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:43,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:43,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722942799] [2024-11-19 05:49:43,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:43,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:43,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:43,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:43,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:43,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 140 out of 199 [2024-11-19 05:49:43,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 414 flow. Second operand has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-19 05:49:43,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:43,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 140 of 199 [2024-11-19 05:49:43,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:43,989 INFO L124 PetriNetUnfolderBase]: 220/1020 cut-off events. [2024-11-19 05:49:43,989 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:43,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1532 conditions, 1020 events. 220/1020 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 5380 event pairs, 220 based on Foata normal form. 0/917 useless extension candidates. Maximal degree in co-relation 1439. Up to 488 conditions per place. [2024-11-19 05:49:43,997 INFO L140 encePairwiseOnDemand]: 187/199 looper letters, 47 selfloop transitions, 10 changer transitions 0/194 dead transitions. [2024-11-19 05:49:43,998 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 194 transitions, 524 flow [2024-11-19 05:49:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:43,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:44,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 899 transitions. [2024-11-19 05:49:44,001 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7529313232830821 [2024-11-19 05:49:44,001 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 414 flow. Second operand 6 states and 899 transitions. [2024-11-19 05:49:44,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 194 transitions, 524 flow [2024-11-19 05:49:44,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 194 transitions, 504 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:44,006 INFO L231 Difference]: Finished difference. Result has 202 places, 194 transitions, 410 flow [2024-11-19 05:49:44,007 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=202, PETRI_TRANSITIONS=194} [2024-11-19 05:49:44,007 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 0 predicate places. [2024-11-19 05:49:44,008 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 194 transitions, 410 flow [2024-11-19 05:49:44,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 141.33333333333334) internal successors, (848), 6 states have internal predecessors, (848), 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) [2024-11-19 05:49:44,009 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:44,009 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] [2024-11-19 05:49:44,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:49:44,009 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:44,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:44,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1922634844, now seen corresponding path program 1 times [2024-11-19 05:49:44,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:44,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444769160] [2024-11-19 05:49:44,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:44,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:44,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:44,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:44,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444769160] [2024-11-19 05:49:44,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444769160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:44,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:44,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:44,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476028503] [2024-11-19 05:49:44,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:44,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:44,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:44,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:44,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:44,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 199 [2024-11-19 05:49:44,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 194 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-11-19 05:49:44,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:44,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 199 [2024-11-19 05:49:44,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:44,179 INFO L124 PetriNetUnfolderBase]: 16/329 cut-off events. [2024-11-19 05:49:44,179 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:44,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 329 events. 16/329 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 760 event pairs, 16 based on Foata normal form. 0/297 useless extension candidates. Maximal degree in co-relation 298. Up to 47 conditions per place. [2024-11-19 05:49:44,181 INFO L140 encePairwiseOnDemand]: 196/199 looper letters, 14 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2024-11-19 05:49:44,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 193 transitions, 440 flow [2024-11-19 05:49:44,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 563 transitions. [2024-11-19 05:49:44,184 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9430485762144054 [2024-11-19 05:49:44,184 INFO L175 Difference]: Start difference. First operand has 202 places, 194 transitions, 410 flow. Second operand 3 states and 563 transitions. [2024-11-19 05:49:44,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 193 transitions, 440 flow [2024-11-19 05:49:44,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 193 transitions, 420 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:44,192 INFO L231 Difference]: Finished difference. Result has 198 places, 193 transitions, 392 flow [2024-11-19 05:49:44,193 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=198, PETRI_TRANSITIONS=193} [2024-11-19 05:49:44,194 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -4 predicate places. [2024-11-19 05:49:44,194 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 193 transitions, 392 flow [2024-11-19 05:49:44,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 183.33333333333334) internal successors, (550), 3 states have internal predecessors, (550), 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) [2024-11-19 05:49:44,195 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:44,196 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] [2024-11-19 05:49:44,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:49:44,196 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:44,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:44,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1671024064, now seen corresponding path program 1 times [2024-11-19 05:49:44,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:44,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297425555] [2024-11-19 05:49:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:44,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:44,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297425555] [2024-11-19 05:49:44,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297425555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:44,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:44,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:49:44,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640476079] [2024-11-19 05:49:44,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:44,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:49:44,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:44,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:49:44,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:49:44,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 199 [2024-11-19 05:49:44,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 193 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2024-11-19 05:49:44,279 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:44,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 199 [2024-11-19 05:49:44,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:44,345 INFO L124 PetriNetUnfolderBase]: 24/406 cut-off events. [2024-11-19 05:49:44,345 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:44,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 406 events. 24/406 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1205 event pairs, 24 based on Foata normal form. 0/375 useless extension candidates. Maximal degree in co-relation 419. Up to 63 conditions per place. [2024-11-19 05:49:44,349 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 15 selfloop transitions, 1 changer transitions 0/188 dead transitions. [2024-11-19 05:49:44,349 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 188 transitions, 414 flow [2024-11-19 05:49:44,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:49:44,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:49:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-19 05:49:44,351 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9296482412060302 [2024-11-19 05:49:44,351 INFO L175 Difference]: Start difference. First operand has 198 places, 193 transitions, 392 flow. Second operand 3 states and 555 transitions. [2024-11-19 05:49:44,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 188 transitions, 414 flow [2024-11-19 05:49:44,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 188 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:49:44,355 INFO L231 Difference]: Finished difference. Result has 193 places, 188 transitions, 380 flow [2024-11-19 05:49:44,355 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=193, PETRI_TRANSITIONS=188} [2024-11-19 05:49:44,357 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -9 predicate places. [2024-11-19 05:49:44,357 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 188 transitions, 380 flow [2024-11-19 05:49:44,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2024-11-19 05:49:44,358 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:44,358 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:49:44,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:49:44,359 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:44,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:44,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1346216130, now seen corresponding path program 1 times [2024-11-19 05:49:44,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:44,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522665963] [2024-11-19 05:49:44,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:44,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:44,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:44,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522665963] [2024-11-19 05:49:44,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522665963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:44,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:44,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:44,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779121880] [2024-11-19 05:49:44,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:44,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:44,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:44,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:44,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:45,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 199 [2024-11-19 05:49:45,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 188 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 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) [2024-11-19 05:49:45,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:45,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 199 [2024-11-19 05:49:45,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:45,344 INFO L124 PetriNetUnfolderBase]: 288/1159 cut-off events. [2024-11-19 05:49:45,345 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:49:45,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1804 conditions, 1159 events. 288/1159 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 6281 event pairs, 288 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1736. Up to 635 conditions per place. [2024-11-19 05:49:45,349 INFO L140 encePairwiseOnDemand]: 193/199 looper letters, 58 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2024-11-19 05:49:45,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 187 transitions, 504 flow [2024-11-19 05:49:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 874 transitions. [2024-11-19 05:49:45,352 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7319932998324958 [2024-11-19 05:49:45,352 INFO L175 Difference]: Start difference. First operand has 193 places, 188 transitions, 380 flow. Second operand 6 states and 874 transitions. [2024-11-19 05:49:45,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 187 transitions, 504 flow [2024-11-19 05:49:45,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 187 transitions, 503 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:49:45,356 INFO L231 Difference]: Finished difference. Result has 196 places, 187 transitions, 387 flow [2024-11-19 05:49:45,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=387, PETRI_PLACES=196, PETRI_TRANSITIONS=187} [2024-11-19 05:49:45,357 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -6 predicate places. [2024-11-19 05:49:45,357 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 187 transitions, 387 flow [2024-11-19 05:49:45,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 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) [2024-11-19 05:49:45,358 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:45,358 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] [2024-11-19 05:49:45,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:49:45,359 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:45,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:45,359 INFO L85 PathProgramCache]: Analyzing trace with hash 986575562, now seen corresponding path program 1 times [2024-11-19 05:49:45,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:45,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763611294] [2024-11-19 05:49:45,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:45,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:45,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:45,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763611294] [2024-11-19 05:49:45,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763611294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:45,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:45,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:45,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636883381] [2024-11-19 05:49:45,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:45,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:45,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:45,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:45,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:46,137 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 199 [2024-11-19 05:49:46,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 187 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 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) [2024-11-19 05:49:46,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:46,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 199 [2024-11-19 05:49:46,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:46,604 INFO L124 PetriNetUnfolderBase]: 316/1485 cut-off events. [2024-11-19 05:49:46,605 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 05:49:46,607 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2221 conditions, 1485 events. 316/1485 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 9183 event pairs, 36 based on Foata normal form. 0/1395 useless extension candidates. Maximal degree in co-relation 2154. Up to 380 conditions per place. [2024-11-19 05:49:46,611 INFO L140 encePairwiseOnDemand]: 171/199 looper letters, 99 selfloop transitions, 70 changer transitions 0/299 dead transitions. [2024-11-19 05:49:46,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 299 transitions, 949 flow [2024-11-19 05:49:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1023 transitions. [2024-11-19 05:49:46,615 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8567839195979899 [2024-11-19 05:49:46,615 INFO L175 Difference]: Start difference. First operand has 196 places, 187 transitions, 387 flow. Second operand 6 states and 1023 transitions. [2024-11-19 05:49:46,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 299 transitions, 949 flow [2024-11-19 05:49:46,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 299 transitions, 939 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:46,623 INFO L231 Difference]: Finished difference. Result has 200 places, 257 transitions, 855 flow [2024-11-19 05:49:46,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=855, PETRI_PLACES=200, PETRI_TRANSITIONS=257} [2024-11-19 05:49:46,626 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -2 predicate places. [2024-11-19 05:49:46,626 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 257 transitions, 855 flow [2024-11-19 05:49:46,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.0) internal successors, (882), 6 states have internal predecessors, (882), 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) [2024-11-19 05:49:46,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:46,627 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] [2024-11-19 05:49:46,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:49:46,627 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:46,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:46,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1434126713, now seen corresponding path program 1 times [2024-11-19 05:49:46,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:46,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763430956] [2024-11-19 05:49:46,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:46,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:47,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:47,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:47,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763430956] [2024-11-19 05:49:47,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763430956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:47,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:47,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:47,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507930472] [2024-11-19 05:49:47,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:47,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:47,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:47,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:47,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 199 [2024-11-19 05:49:47,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 257 transitions, 855 flow. Second operand has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 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) [2024-11-19 05:49:47,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:47,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 199 [2024-11-19 05:49:47,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:47,673 INFO L124 PetriNetUnfolderBase]: 588/2256 cut-off events. [2024-11-19 05:49:47,673 INFO L125 PetriNetUnfolderBase]: For 602/608 co-relation queries the response was YES. [2024-11-19 05:49:47,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4645 conditions, 2256 events. 588/2256 cut-off events. For 602/608 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15135 event pairs, 222 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 4576. Up to 1082 conditions per place. [2024-11-19 05:49:47,685 INFO L140 encePairwiseOnDemand]: 184/199 looper letters, 106 selfloop transitions, 48 changer transitions 0/308 dead transitions. [2024-11-19 05:49:47,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 308 transitions, 1335 flow [2024-11-19 05:49:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 960 transitions. [2024-11-19 05:49:47,689 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8040201005025126 [2024-11-19 05:49:47,689 INFO L175 Difference]: Start difference. First operand has 200 places, 257 transitions, 855 flow. Second operand 6 states and 960 transitions. [2024-11-19 05:49:47,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 308 transitions, 1335 flow [2024-11-19 05:49:47,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 308 transitions, 1335 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:47,706 INFO L231 Difference]: Finished difference. Result has 210 places, 300 transitions, 1243 flow [2024-11-19 05:49:47,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=257, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1243, PETRI_PLACES=210, PETRI_TRANSITIONS=300} [2024-11-19 05:49:47,709 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 8 predicate places. [2024-11-19 05:49:47,709 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 300 transitions, 1243 flow [2024-11-19 05:49:47,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 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) [2024-11-19 05:49:47,710 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:47,710 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] [2024-11-19 05:49:47,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:49:47,710 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:47,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:47,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1941046839, now seen corresponding path program 1 times [2024-11-19 05:49:47,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:47,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715537473] [2024-11-19 05:49:47,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:47,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:48,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:48,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715537473] [2024-11-19 05:49:48,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715537473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:48,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:48,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:49:48,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705606782] [2024-11-19 05:49:48,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:48,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:49:48,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:48,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:49:48,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:49:48,458 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 199 [2024-11-19 05:49:48,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 300 transitions, 1243 flow. Second operand has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 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) [2024-11-19 05:49:48,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:48,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 199 [2024-11-19 05:49:48,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:49,029 INFO L124 PetriNetUnfolderBase]: 754/2786 cut-off events. [2024-11-19 05:49:49,030 INFO L125 PetriNetUnfolderBase]: For 1613/1665 co-relation queries the response was YES. [2024-11-19 05:49:49,039 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6544 conditions, 2786 events. 754/2786 cut-off events. For 1613/1665 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 19688 event pairs, 86 based on Foata normal form. 0/2692 useless extension candidates. Maximal degree in co-relation 6468. Up to 1009 conditions per place. [2024-11-19 05:49:49,049 INFO L140 encePairwiseOnDemand]: 176/199 looper letters, 128 selfloop transitions, 136 changer transitions 4/440 dead transitions. [2024-11-19 05:49:49,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 440 transitions, 2535 flow [2024-11-19 05:49:49,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:49:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:49:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1018 transitions. [2024-11-19 05:49:49,052 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8525963149078727 [2024-11-19 05:49:49,052 INFO L175 Difference]: Start difference. First operand has 210 places, 300 transitions, 1243 flow. Second operand 6 states and 1018 transitions. [2024-11-19 05:49:49,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 440 transitions, 2535 flow [2024-11-19 05:49:49,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 440 transitions, 2517 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:49,071 INFO L231 Difference]: Finished difference. Result has 220 places, 431 transitions, 2591 flow [2024-11-19 05:49:49,072 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=1225, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=254, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2591, PETRI_PLACES=220, PETRI_TRANSITIONS=431} [2024-11-19 05:49:49,073 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 18 predicate places. [2024-11-19 05:49:49,073 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 431 transitions, 2591 flow [2024-11-19 05:49:49,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 153.0) internal successors, (918), 6 states have internal predecessors, (918), 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) [2024-11-19 05:49:49,075 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:49,075 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] [2024-11-19 05:49:49,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:49:49,078 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:49,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:49,079 INFO L85 PathProgramCache]: Analyzing trace with hash -855917372, now seen corresponding path program 1 times [2024-11-19 05:49:49,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:49,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161657273] [2024-11-19 05:49:49,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:49:49,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:49:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:49,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:49,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161657273] [2024-11-19 05:49:49,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161657273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:49,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:49,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:49:49,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707015476] [2024-11-19 05:49:49,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:49,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:49,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:49,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:49,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:50,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:49:50,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 431 transitions, 2591 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:49:50,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:50,996 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:49:50,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:52,482 INFO L124 PetriNetUnfolderBase]: 1151/4146 cut-off events. [2024-11-19 05:49:52,482 INFO L125 PetriNetUnfolderBase]: For 5339/5438 co-relation queries the response was YES. [2024-11-19 05:49:52,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11912 conditions, 4146 events. 1151/4146 cut-off events. For 5339/5438 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 33236 event pairs, 94 based on Foata normal form. 35/4083 useless extension candidates. Maximal degree in co-relation 11828. Up to 880 conditions per place. [2024-11-19 05:49:52,527 INFO L140 encePairwiseOnDemand]: 162/199 looper letters, 349 selfloop transitions, 159 changer transitions 4/655 dead transitions. [2024-11-19 05:49:52,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 655 transitions, 5031 flow [2024-11-19 05:49:52,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 05:49:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 05:49:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2077 transitions. [2024-11-19 05:49:52,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7455132806891601 [2024-11-19 05:49:52,533 INFO L175 Difference]: Start difference. First operand has 220 places, 431 transitions, 2591 flow. Second operand 14 states and 2077 transitions. [2024-11-19 05:49:52,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 655 transitions, 5031 flow [2024-11-19 05:49:52,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 655 transitions, 4959 flow, removed 36 selfloop flow, removed 0 redundant places. [2024-11-19 05:49:52,573 INFO L231 Difference]: Finished difference. Result has 243 places, 494 transitions, 3864 flow [2024-11-19 05:49:52,574 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=2555, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=431, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=96, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=277, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=3864, PETRI_PLACES=243, PETRI_TRANSITIONS=494} [2024-11-19 05:49:52,575 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 41 predicate places. [2024-11-19 05:49:52,575 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 494 transitions, 3864 flow [2024-11-19 05:49:52,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:49:52,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:52,576 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] [2024-11-19 05:49:52,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:49:52,577 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:52,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:52,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1426410300, now seen corresponding path program 2 times [2024-11-19 05:49:52,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:52,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903205417] [2024-11-19 05:49:52,578 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:49:52,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:52,609 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:49:52,609 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:53,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:53,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903205417] [2024-11-19 05:49:53,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903205417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:53,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:53,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:49:53,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078207311] [2024-11-19 05:49:53,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:53,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:53,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:53,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:53,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:54,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:49:54,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 494 transitions, 3864 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:49:54,378 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:54,378 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:49:54,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:55,710 INFO L124 PetriNetUnfolderBase]: 1263/4513 cut-off events. [2024-11-19 05:49:55,710 INFO L125 PetriNetUnfolderBase]: For 9507/9604 co-relation queries the response was YES. [2024-11-19 05:49:55,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14418 conditions, 4513 events. 1263/4513 cut-off events. For 9507/9604 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 36339 event pairs, 93 based on Foata normal form. 39/4430 useless extension candidates. Maximal degree in co-relation 14320. Up to 891 conditions per place. [2024-11-19 05:49:55,753 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 440 selfloop transitions, 103 changer transitions 0/686 dead transitions. [2024-11-19 05:49:55,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 686 transitions, 6408 flow [2024-11-19 05:49:55,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:49:55,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:49:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2654 transitions. [2024-11-19 05:49:55,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.701930706162391 [2024-11-19 05:49:55,760 INFO L175 Difference]: Start difference. First operand has 243 places, 494 transitions, 3864 flow. Second operand 19 states and 2654 transitions. [2024-11-19 05:49:55,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 686 transitions, 6408 flow [2024-11-19 05:49:55,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 686 transitions, 6403 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 05:49:55,809 INFO L231 Difference]: Finished difference. Result has 267 places, 549 transitions, 4679 flow [2024-11-19 05:49:55,810 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=3859, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=494, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=416, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4679, PETRI_PLACES=267, PETRI_TRANSITIONS=549} [2024-11-19 05:49:55,810 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 65 predicate places. [2024-11-19 05:49:55,811 INFO L471 AbstractCegarLoop]: Abstraction has has 267 places, 549 transitions, 4679 flow [2024-11-19 05:49:55,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:49:55,812 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:55,812 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] [2024-11-19 05:49:55,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:49:55,812 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:55,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:55,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1131412442, now seen corresponding path program 3 times [2024-11-19 05:49:55,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:55,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115396228] [2024-11-19 05:49:55,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:49:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:55,842 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:49:55,842 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:56,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:56,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115396228] [2024-11-19 05:49:56,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115396228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:56,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:56,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:49:56,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962544329] [2024-11-19 05:49:56,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:56,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:56,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:56,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:56,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:49:57,586 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:49:57,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 267 places, 549 transitions, 4679 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:49:57,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:49:57,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:49:57,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:49:59,083 INFO L124 PetriNetUnfolderBase]: 1757/6357 cut-off events. [2024-11-19 05:49:59,084 INFO L125 PetriNetUnfolderBase]: For 18243/18448 co-relation queries the response was YES. [2024-11-19 05:49:59,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21506 conditions, 6357 events. 1757/6357 cut-off events. For 18243/18448 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 58019 event pairs, 162 based on Foata normal form. 49/6247 useless extension candidates. Maximal degree in co-relation 21398. Up to 1877 conditions per place. [2024-11-19 05:49:59,126 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 417 selfloop transitions, 204 changer transitions 1/765 dead transitions. [2024-11-19 05:49:59,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 281 places, 765 transitions, 8082 flow [2024-11-19 05:49:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 05:49:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-19 05:49:59,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 2111 transitions. [2024-11-19 05:49:59,132 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7072026800670017 [2024-11-19 05:49:59,132 INFO L175 Difference]: Start difference. First operand has 267 places, 549 transitions, 4679 flow. Second operand 15 states and 2111 transitions. [2024-11-19 05:49:59,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 281 places, 765 transitions, 8082 flow [2024-11-19 05:49:59,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 765 transitions, 8041 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-11-19 05:49:59,217 INFO L231 Difference]: Finished difference. Result has 286 places, 653 transitions, 6958 flow [2024-11-19 05:49:59,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=4653, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=549, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6958, PETRI_PLACES=286, PETRI_TRANSITIONS=653} [2024-11-19 05:49:59,218 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 84 predicate places. [2024-11-19 05:49:59,219 INFO L471 AbstractCegarLoop]: Abstraction has has 286 places, 653 transitions, 6958 flow [2024-11-19 05:49:59,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:49:59,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:49:59,220 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] [2024-11-19 05:49:59,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:49:59,220 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:49:59,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:49:59,220 INFO L85 PathProgramCache]: Analyzing trace with hash 684030540, now seen corresponding path program 4 times [2024-11-19 05:49:59,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:49:59,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663333139] [2024-11-19 05:49:59,221 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:49:59,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:49:59,253 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:49:59,254 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:49:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:49:59,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:49:59,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663333139] [2024-11-19 05:49:59,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663333139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:49:59,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:49:59,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:49:59,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927923086] [2024-11-19 05:49:59,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:49:59,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:49:59,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:49:59,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:49:59,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:01,340 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:50:01,342 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 653 transitions, 6958 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:01,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:01,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:50:01,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:03,883 INFO L124 PetriNetUnfolderBase]: 2402/8635 cut-off events. [2024-11-19 05:50:03,884 INFO L125 PetriNetUnfolderBase]: For 36117/36411 co-relation queries the response was YES. [2024-11-19 05:50:03,922 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31298 conditions, 8635 events. 2402/8635 cut-off events. For 36117/36411 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 85334 event pairs, 231 based on Foata normal form. 82/8516 useless extension candidates. Maximal degree in co-relation 31179. Up to 1704 conditions per place. [2024-11-19 05:50:03,954 INFO L140 encePairwiseOnDemand]: 164/199 looper letters, 511 selfloop transitions, 329 changer transitions 2/985 dead transitions. [2024-11-19 05:50:03,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 985 transitions, 12297 flow [2024-11-19 05:50:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:50:03,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:50:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2718 transitions. [2024-11-19 05:50:03,961 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7188574451203386 [2024-11-19 05:50:03,961 INFO L175 Difference]: Start difference. First operand has 286 places, 653 transitions, 6958 flow. Second operand 19 states and 2718 transitions. [2024-11-19 05:50:03,961 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 985 transitions, 12297 flow [2024-11-19 05:50:04,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 301 places, 985 transitions, 12270 flow, removed 11 selfloop flow, removed 3 redundant places. [2024-11-19 05:50:04,197 INFO L231 Difference]: Finished difference. Result has 316 places, 787 transitions, 10473 flow [2024-11-19 05:50:04,198 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=6931, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=653, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=205, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=10473, PETRI_PLACES=316, PETRI_TRANSITIONS=787} [2024-11-19 05:50:04,199 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 114 predicate places. [2024-11-19 05:50:04,199 INFO L471 AbstractCegarLoop]: Abstraction has has 316 places, 787 transitions, 10473 flow [2024-11-19 05:50:04,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:04,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:04,200 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] [2024-11-19 05:50:04,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:50:04,201 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:50:04,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:04,201 INFO L85 PathProgramCache]: Analyzing trace with hash 18221423, now seen corresponding path program 1 times [2024-11-19 05:50:04,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:04,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696295370] [2024-11-19 05:50:04,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:50:04,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:04,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:04,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696295370] [2024-11-19 05:50:04,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696295370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:04,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:04,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:04,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275671232] [2024-11-19 05:50:04,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:04,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:04,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:04,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:04,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:06,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 199 [2024-11-19 05:50:06,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 787 transitions, 10473 flow. Second operand has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 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) [2024-11-19 05:50:06,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:06,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 199 [2024-11-19 05:50:06,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:08,973 INFO L124 PetriNetUnfolderBase]: 2979/10085 cut-off events. [2024-11-19 05:50:08,973 INFO L125 PetriNetUnfolderBase]: For 51829/52143 co-relation queries the response was YES. [2024-11-19 05:50:09,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39012 conditions, 10085 events. 2979/10085 cut-off events. For 51829/52143 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 100061 event pairs, 545 based on Foata normal form. 60/9923 useless extension candidates. Maximal degree in co-relation 38877. Up to 2345 conditions per place. [2024-11-19 05:50:09,087 INFO L140 encePairwiseOnDemand]: 178/199 looper letters, 451 selfloop transitions, 179 changer transitions 0/927 dead transitions. [2024-11-19 05:50:09,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 927 transitions, 13143 flow [2024-11-19 05:50:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 05:50:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-19 05:50:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 2020 transitions. [2024-11-19 05:50:09,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7250538406317301 [2024-11-19 05:50:09,092 INFO L175 Difference]: Start difference. First operand has 316 places, 787 transitions, 10473 flow. Second operand 14 states and 2020 transitions. [2024-11-19 05:50:09,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 927 transitions, 13143 flow [2024-11-19 05:50:09,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 927 transitions, 13060 flow, removed 39 selfloop flow, removed 3 redundant places. [2024-11-19 05:50:09,389 INFO L231 Difference]: Finished difference. Result has 331 places, 802 transitions, 11222 flow [2024-11-19 05:50:09,390 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=10406, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=787, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=164, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=611, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=11222, PETRI_PLACES=331, PETRI_TRANSITIONS=802} [2024-11-19 05:50:09,391 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 129 predicate places. [2024-11-19 05:50:09,391 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 802 transitions, 11222 flow [2024-11-19 05:50:09,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 135.07692307692307) internal successors, (1756), 13 states have internal predecessors, (1756), 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) [2024-11-19 05:50:09,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:09,393 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] [2024-11-19 05:50:09,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:50:09,393 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:50:09,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:09,394 INFO L85 PathProgramCache]: Analyzing trace with hash 573319102, now seen corresponding path program 5 times [2024-11-19 05:50:09,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:09,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676964088] [2024-11-19 05:50:09,395 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 05:50:09,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:09,539 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:09,540 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:10,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:10,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676964088] [2024-11-19 05:50:10,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676964088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:10,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:10,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:10,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487403451] [2024-11-19 05:50:10,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:10,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:10,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:10,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:10,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:10,963 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:50:10,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 802 transitions, 11222 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:10,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:10,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:50:10,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:14,325 INFO L124 PetriNetUnfolderBase]: 3287/11728 cut-off events. [2024-11-19 05:50:14,325 INFO L125 PetriNetUnfolderBase]: For 74877/75402 co-relation queries the response was YES. [2024-11-19 05:50:14,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48217 conditions, 11728 events. 3287/11728 cut-off events. For 74877/75402 co-relation queries the response was YES. Maximal size of possible extension queue 426. Compared 125036 event pairs, 303 based on Foata normal form. 116/11549 useless extension candidates. Maximal degree in co-relation 48076. Up to 2372 conditions per place. [2024-11-19 05:50:14,455 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 549 selfloop transitions, 404 changer transitions 3/1105 dead transitions. [2024-11-19 05:50:14,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 1105 transitions, 17109 flow [2024-11-19 05:50:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-19 05:50:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-19 05:50:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 2860 transitions. [2024-11-19 05:50:14,460 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7185929648241206 [2024-11-19 05:50:14,461 INFO L175 Difference]: Start difference. First operand has 331 places, 802 transitions, 11222 flow. Second operand 20 states and 2860 transitions. [2024-11-19 05:50:14,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 1105 transitions, 17109 flow [2024-11-19 05:50:14,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 1105 transitions, 16922 flow, removed 0 selfloop flow, removed 8 redundant places. [2024-11-19 05:50:14,736 INFO L231 Difference]: Finished difference. Result has 353 places, 918 transitions, 15162 flow [2024-11-19 05:50:14,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=11098, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=802, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=288, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=402, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=15162, PETRI_PLACES=353, PETRI_TRANSITIONS=918} [2024-11-19 05:50:14,738 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 151 predicate places. [2024-11-19 05:50:14,738 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 918 transitions, 15162 flow [2024-11-19 05:50:14,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:14,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:14,740 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] [2024-11-19 05:50:14,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:50:14,740 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:50:14,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:14,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1702271934, now seen corresponding path program 6 times [2024-11-19 05:50:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:14,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977479292] [2024-11-19 05:50:14,741 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-19 05:50:14,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:14,895 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-19 05:50:14,895 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:15,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:15,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977479292] [2024-11-19 05:50:15,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977479292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:15,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:15,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:15,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252061525] [2024-11-19 05:50:15,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:15,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:15,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:15,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:15,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:16,378 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:50:16,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 918 transitions, 15162 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:16,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:16,380 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:50:16,380 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:20,626 INFO L124 PetriNetUnfolderBase]: 4375/15444 cut-off events. [2024-11-19 05:50:20,626 INFO L125 PetriNetUnfolderBase]: For 123453/124290 co-relation queries the response was YES. [2024-11-19 05:50:20,961 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66806 conditions, 15444 events. 4375/15444 cut-off events. For 123453/124290 co-relation queries the response was YES. Maximal size of possible extension queue 612. Compared 175112 event pairs, 393 based on Foata normal form. 251/15298 useless extension candidates. Maximal degree in co-relation 66654. Up to 3141 conditions per place. [2024-11-19 05:50:21,011 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 597 selfloop transitions, 493 changer transitions 0/1239 dead transitions. [2024-11-19 05:50:21,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 371 places, 1239 transitions, 22490 flow [2024-11-19 05:50:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:50:21,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:50:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2679 transitions. [2024-11-19 05:50:21,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7085427135678392 [2024-11-19 05:50:21,017 INFO L175 Difference]: Start difference. First operand has 353 places, 918 transitions, 15162 flow. Second operand 19 states and 2679 transitions. [2024-11-19 05:50:21,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 371 places, 1239 transitions, 22490 flow [2024-11-19 05:50:21,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 1239 transitions, 22393 flow, removed 35 selfloop flow, removed 7 redundant places. [2024-11-19 05:50:21,470 INFO L231 Difference]: Finished difference. Result has 373 places, 1042 transitions, 20117 flow [2024-11-19 05:50:21,471 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=15111, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=918, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=373, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=441, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=20117, PETRI_PLACES=373, PETRI_TRANSITIONS=1042} [2024-11-19 05:50:21,472 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 171 predicate places. [2024-11-19 05:50:21,472 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 1042 transitions, 20117 flow [2024-11-19 05:50:21,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:21,473 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:21,473 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] [2024-11-19 05:50:21,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:50:21,473 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:50:21,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:21,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1103292496, now seen corresponding path program 7 times [2024-11-19 05:50:21,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:21,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827025112] [2024-11-19 05:50:21,474 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-19 05:50:21,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:50:22,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:22,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:22,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827025112] [2024-11-19 05:50:22,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827025112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:22,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:22,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:22,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160292327] [2024-11-19 05:50:22,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:22,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:22,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:22,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:22,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:23,310 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:50:23,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 1042 transitions, 20117 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:23,312 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:23,312 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:50:23,312 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:28,634 INFO L124 PetriNetUnfolderBase]: 4819/16898 cut-off events. [2024-11-19 05:50:28,634 INFO L125 PetriNetUnfolderBase]: For 171805/172866 co-relation queries the response was YES. [2024-11-19 05:50:28,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76764 conditions, 16898 events. 4819/16898 cut-off events. For 171805/172866 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 195814 event pairs, 433 based on Foata normal form. 325/16801 useless extension candidates. Maximal degree in co-relation 76603. Up to 3479 conditions per place. [2024-11-19 05:50:28,823 INFO L140 encePairwiseOnDemand]: 166/199 looper letters, 673 selfloop transitions, 505 changer transitions 3/1330 dead transitions. [2024-11-19 05:50:28,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 1330 transitions, 26833 flow [2024-11-19 05:50:28,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-19 05:50:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-19 05:50:28,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 3134 transitions. [2024-11-19 05:50:28,828 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7158519872087711 [2024-11-19 05:50:28,828 INFO L175 Difference]: Start difference. First operand has 373 places, 1042 transitions, 20117 flow. Second operand 22 states and 3134 transitions. [2024-11-19 05:50:28,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 1330 transitions, 26833 flow [2024-11-19 05:50:29,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 1330 transitions, 26641 flow, removed 67 selfloop flow, removed 9 redundant places. [2024-11-19 05:50:29,603 INFO L231 Difference]: Finished difference. Result has 394 places, 1126 transitions, 24341 flow [2024-11-19 05:50:29,604 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=19939, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1042, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=423, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=544, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=24341, PETRI_PLACES=394, PETRI_TRANSITIONS=1126} [2024-11-19 05:50:29,605 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 192 predicate places. [2024-11-19 05:50:29,605 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 1126 transitions, 24341 flow [2024-11-19 05:50:29,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:29,606 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:29,606 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] [2024-11-19 05:50:29,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:50:29,606 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:50:29,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:29,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1206834866, now seen corresponding path program 8 times [2024-11-19 05:50:29,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:29,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486178240] [2024-11-19 05:50:29,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 05:50:29,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:29,628 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 05:50:29,628 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:30,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:30,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486178240] [2024-11-19 05:50:30,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486178240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:30,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:30,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:30,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616797855] [2024-11-19 05:50:30,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:30,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:30,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:30,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:30,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:31,083 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:50:31,085 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 1126 transitions, 24341 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:31,085 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:31,085 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:50:31,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:37,143 INFO L124 PetriNetUnfolderBase]: 5122/18011 cut-off events. [2024-11-19 05:50:37,143 INFO L125 PetriNetUnfolderBase]: For 221511/222582 co-relation queries the response was YES. [2024-11-19 05:50:37,331 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85561 conditions, 18011 events. 5122/18011 cut-off events. For 221511/222582 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 211805 event pairs, 428 based on Foata normal form. 376/17931 useless extension candidates. Maximal degree in co-relation 85391. Up to 3684 conditions per place. [2024-11-19 05:50:37,393 INFO L140 encePairwiseOnDemand]: 170/199 looper letters, 630 selfloop transitions, 614 changer transitions 0/1393 dead transitions. [2024-11-19 05:50:37,393 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 412 places, 1393 transitions, 31507 flow [2024-11-19 05:50:37,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-19 05:50:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-19 05:50:37,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2680 transitions. [2024-11-19 05:50:37,397 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7088071938640571 [2024-11-19 05:50:37,397 INFO L175 Difference]: Start difference. First operand has 394 places, 1126 transitions, 24341 flow. Second operand 19 states and 2680 transitions. [2024-11-19 05:50:37,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 412 places, 1393 transitions, 31507 flow [2024-11-19 05:50:38,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 1393 transitions, 31359 flow, removed 42 selfloop flow, removed 12 redundant places. [2024-11-19 05:50:38,410 INFO L231 Difference]: Finished difference. Result has 408 places, 1209 transitions, 28714 flow [2024-11-19 05:50:38,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=24193, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=533, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=519, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=28714, PETRI_PLACES=408, PETRI_TRANSITIONS=1209} [2024-11-19 05:50:38,411 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 206 predicate places. [2024-11-19 05:50:38,411 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 1209 transitions, 28714 flow [2024-11-19 05:50:38,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:38,412 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:38,412 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] [2024-11-19 05:50:38,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:50:38,413 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:50:38,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:38,413 INFO L85 PathProgramCache]: Analyzing trace with hash 2109707588, now seen corresponding path program 9 times [2024-11-19 05:50:38,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:38,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292939688] [2024-11-19 05:50:38,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 05:50:38,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:38,445 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-19 05:50:38,445 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:39,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:39,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292939688] [2024-11-19 05:50:39,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292939688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:39,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:39,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:39,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556151558] [2024-11-19 05:50:39,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:39,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:39,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:39,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:39,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:40,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:50:40,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 1209 transitions, 28714 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:40,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:40,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:50:40,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:50:47,264 INFO L124 PetriNetUnfolderBase]: 5662/19886 cut-off events. [2024-11-19 05:50:47,264 INFO L125 PetriNetUnfolderBase]: For 287467/288736 co-relation queries the response was YES. [2024-11-19 05:50:47,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98795 conditions, 19886 events. 5662/19886 cut-off events. For 287467/288736 co-relation queries the response was YES. Maximal size of possible extension queue 823. Compared 238495 event pairs, 540 based on Foata normal form. 417/19808 useless extension candidates. Maximal degree in co-relation 98617. Up to 4061 conditions per place. [2024-11-19 05:50:47,604 INFO L140 encePairwiseOnDemand]: 167/199 looper letters, 766 selfloop transitions, 609 changer transitions 2/1526 dead transitions. [2024-11-19 05:50:47,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 428 places, 1526 transitions, 37250 flow [2024-11-19 05:50:47,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 05:50:47,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-19 05:50:47,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2985 transitions. [2024-11-19 05:50:47,607 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2024-11-19 05:50:47,607 INFO L175 Difference]: Start difference. First operand has 408 places, 1209 transitions, 28714 flow. Second operand 21 states and 2985 transitions. [2024-11-19 05:50:47,607 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 428 places, 1526 transitions, 37250 flow [2024-11-19 05:50:48,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 419 places, 1526 transitions, 37100 flow, removed 46 selfloop flow, removed 9 redundant places. [2024-11-19 05:50:48,803 INFO L231 Difference]: Finished difference. Result has 428 places, 1310 transitions, 34353 flow [2024-11-19 05:50:48,805 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=199, PETRI_DIFFERENCE_MINUEND_FLOW=28564, PETRI_DIFFERENCE_MINUEND_PLACES=399, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=515, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=609, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=34353, PETRI_PLACES=428, PETRI_TRANSITIONS=1310} [2024-11-19 05:50:48,805 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 226 predicate places. [2024-11-19 05:50:48,805 INFO L471 AbstractCegarLoop]: Abstraction has has 428 places, 1310 transitions, 34353 flow [2024-11-19 05:50:48,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:48,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:50:48,806 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] [2024-11-19 05:50:48,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:50:48,807 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2024-11-19 05:50:48,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:50:48,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1822962600, now seen corresponding path program 10 times [2024-11-19 05:50:48,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:50:48,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687060046] [2024-11-19 05:50:48,807 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 05:50:48,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:50:48,834 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 05:50:48,835 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 05:50:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:50:49,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:50:49,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687060046] [2024-11-19 05:50:49,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687060046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:50:49,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:50:49,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-19 05:50:49,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746494752] [2024-11-19 05:50:49,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:50:49,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-19 05:50:49,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:50:49,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-19 05:50:49,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-19 05:50:50,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 199 [2024-11-19 05:50:50,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 1310 transitions, 34353 flow. Second operand has 13 states, 13 states have (on average 133.07692307692307) internal successors, (1730), 13 states have internal predecessors, (1730), 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) [2024-11-19 05:50:50,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:50:50,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 199 [2024-11-19 05:50:50,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand