./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_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 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:30:12,121 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:30:12,179 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:30:12,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:30:12,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:30:12,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:30:12,218 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:30:12,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:30:12,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:30:12,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:30:12,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:30:12,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:30:12,223 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:30:12,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:30:12,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:30:12,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:30:12,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:30:12,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:30:12,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:30:12,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:30:12,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:30:12,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:30:12,228 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:30:12,229 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:30:12,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:30:12,229 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:30:12,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:30:12,229 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:30:12,230 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:30:12,230 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:30:12,230 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:30:12,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:30:12,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:30:12,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:30:12,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:30:12,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:30:12,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:30:12,232 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:30:12,232 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:30:12,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:30:12,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:30:12,233 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 034172cc4904075fab6f792587170b7236be9fb41f3a62fa7fbe9a216ec4ca2c [2024-11-10 14:30:12,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:30:12,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:30:12,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:30:12,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:30:12,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:30:12,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-10 14:30:13,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:30:14,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:30:14,203 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_12-arraycollapse_rc.i [2024-11-10 14:30:14,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a696527e/0cce1cc671824f2f9ae3eaae4596956f/FLAG9eb0b5220 [2024-11-10 14:30:14,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a696527e/0cce1cc671824f2f9ae3eaae4596956f [2024-11-10 14:30:14,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:30:14,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:30:14,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:30:14,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:30:14,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:30:14,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:30:14" (1/1) ... [2024-11-10 14:30:14,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66948405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:14, skipping insertion in model container [2024-11-10 14:30:14,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:30:14" (1/1) ... [2024-11-10 14:30:14,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:30:14,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:30:14,856 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:30:14,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:30:15,045 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:30:15,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15 WrapperNode [2024-11-10 14:30:15,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:30:15,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:30:15,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:30:15,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:30:15,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,144 INFO L138 Inliner]: procedures = 372, calls = 94, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 391 [2024-11-10 14:30:15,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:30:15,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:30:15,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:30:15,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:30:15,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:30:15,241 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:30:15,241 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:30:15,241 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:30:15,242 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (1/1) ... [2024-11-10 14:30:15,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:30:15,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:15,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:30:15,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:30:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-10 14:30:15,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-10 14:30:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:30:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:30:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:30:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:30:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:30:15,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:30:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:30:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:30:15,326 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:30:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:30:15,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:30:15,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:30:15,329 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:30:15,491 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:30:15,493 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:30:16,192 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:30:16,192 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:30:16,238 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:30:16,238 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:30:16,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:30:16 BoogieIcfgContainer [2024-11-10 14:30:16,241 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:30:16,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:30:16,244 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:30:16,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:30:16,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:30:14" (1/3) ... [2024-11-10 14:30:16,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaf7c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:30:16, skipping insertion in model container [2024-11-10 14:30:16,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:30:15" (2/3) ... [2024-11-10 14:30:16,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaf7c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:30:16, skipping insertion in model container [2024-11-10 14:30:16,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:30:16" (3/3) ... [2024-11-10 14:30:16,251 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_12-arraycollapse_rc.i [2024-11-10 14:30:16,267 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:30:16,267 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-10 14:30:16,268 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:30:16,420 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:30:16,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 458 places, 459 transitions, 922 flow [2024-11-10 14:30:16,635 INFO L124 PetriNetUnfolderBase]: 5/458 cut-off events. [2024-11-10 14:30:16,635 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:16,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 458 events. 5/458 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 393 event pairs, 0 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 330. Up to 2 conditions per place. [2024-11-10 14:30:16,643 INFO L82 GeneralOperation]: Start removeDead. Operand has 458 places, 459 transitions, 922 flow [2024-11-10 14:30:16,653 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 457 places, 458 transitions, 919 flow [2024-11-10 14:30:16,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:30:16,671 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;@58202edd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:30:16,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-10 14:30:16,692 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:30:16,692 INFO L124 PetriNetUnfolderBase]: 2/105 cut-off events. [2024-11-10 14:30:16,692 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:16,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:16,693 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:16,694 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:16,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash -2027599630, now seen corresponding path program 1 times [2024-11-10 14:30:16,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:16,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591264025] [2024-11-10 14:30:16,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:16,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:17,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:17,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:17,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591264025] [2024-11-10 14:30:17,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591264025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:17,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:17,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:17,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864438905] [2024-11-10 14:30:17,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:17,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:17,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:17,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:17,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:18,840 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 459 [2024-11-10 14:30:18,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 458 transitions, 919 flow. Second operand has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:18,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:18,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 459 [2024-11-10 14:30:18,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:19,275 INFO L124 PetriNetUnfolderBase]: 365/1813 cut-off events. [2024-11-10 14:30:19,275 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:30:19,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2669 conditions, 1813 events. 365/1813 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9555 event pairs, 364 based on Foata normal form. 14/1690 useless extension candidates. Maximal degree in co-relation 2256. Up to 837 conditions per place. [2024-11-10 14:30:19,292 INFO L140 encePairwiseOnDemand]: 437/459 looper letters, 108 selfloop transitions, 15 changer transitions 2/451 dead transitions. [2024-11-10 14:30:19,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 459 places, 451 transitions, 1151 flow [2024-11-10 14:30:19,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2104 transitions. [2024-11-10 14:30:19,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7639796659404503 [2024-11-10 14:30:19,322 INFO L175 Difference]: Start difference. First operand has 457 places, 458 transitions, 919 flow. Second operand 6 states and 2104 transitions. [2024-11-10 14:30:19,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 459 places, 451 transitions, 1151 flow [2024-11-10 14:30:19,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 458 places, 451 transitions, 1150 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:30:19,340 INFO L231 Difference]: Finished difference. Result has 458 places, 449 transitions, 930 flow [2024-11-10 14:30:19,342 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=453, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=451, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=436, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=930, PETRI_PLACES=458, PETRI_TRANSITIONS=449} [2024-11-10 14:30:19,345 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 1 predicate places. [2024-11-10 14:30:19,348 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 449 transitions, 930 flow [2024-11-10 14:30:19,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:19,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:19,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:19,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:30:19,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:19,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:19,352 INFO L85 PathProgramCache]: Analyzing trace with hash -714509720, now seen corresponding path program 1 times [2024-11-10 14:30:19,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:19,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087833388] [2024-11-10 14:30:19,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:19,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:19,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:19,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087833388] [2024-11-10 14:30:19,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087833388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:19,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:19,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:19,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484981762] [2024-11-10 14:30:19,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:19,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:19,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:19,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:19,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:20,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 459 [2024-11-10 14:30:20,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 449 transitions, 930 flow. Second operand has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:20,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:20,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 459 [2024-11-10 14:30:20,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:20,917 INFO L124 PetriNetUnfolderBase]: 365/1808 cut-off events. [2024-11-10 14:30:20,917 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:20,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2679 conditions, 1808 events. 365/1808 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9490 event pairs, 364 based on Foata normal form. 0/1676 useless extension candidates. Maximal degree in co-relation 2399. Up to 837 conditions per place. [2024-11-10 14:30:20,925 INFO L140 encePairwiseOnDemand]: 441/459 looper letters, 108 selfloop transitions, 15 changer transitions 0/446 dead transitions. [2024-11-10 14:30:20,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 458 places, 446 transitions, 1170 flow [2024-11-10 14:30:20,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:20,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2100 transitions. [2024-11-10 14:30:20,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7625272331154684 [2024-11-10 14:30:20,932 INFO L175 Difference]: Start difference. First operand has 458 places, 449 transitions, 930 flow. Second operand 6 states and 2100 transitions. [2024-11-10 14:30:20,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 458 places, 446 transitions, 1170 flow [2024-11-10 14:30:20,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 446 transitions, 1140 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:20,940 INFO L231 Difference]: Finished difference. Result has 453 places, 446 transitions, 924 flow [2024-11-10 14:30:20,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=446, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=431, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=924, PETRI_PLACES=453, PETRI_TRANSITIONS=446} [2024-11-10 14:30:20,944 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -4 predicate places. [2024-11-10 14:30:20,944 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 446 transitions, 924 flow [2024-11-10 14:30:20,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 330.3333333333333) internal successors, (1982), 6 states have internal predecessors, (1982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:20,946 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:20,946 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] [2024-11-10 14:30:20,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:30:20,946 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:20,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:20,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1382299201, now seen corresponding path program 1 times [2024-11-10 14:30:20,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:20,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145143461] [2024-11-10 14:30:20,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:20,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:21,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:21,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145143461] [2024-11-10 14:30:21,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145143461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:21,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:21,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:21,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667986964] [2024-11-10 14:30:21,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:21,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:21,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:21,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:21,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:22,205 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 459 [2024-11-10 14:30:22,208 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 446 transitions, 924 flow. Second operand has 6 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:22,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:22,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 459 [2024-11-10 14:30:22,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:22,592 INFO L124 PetriNetUnfolderBase]: 391/1896 cut-off events. [2024-11-10 14:30:22,592 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:30:22,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 1896 events. 391/1896 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10199 event pairs, 390 based on Foata normal form. 0/1759 useless extension candidates. Maximal degree in co-relation 2525. Up to 903 conditions per place. [2024-11-10 14:30:22,602 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 122 selfloop transitions, 5 changer transitions 0/445 dead transitions. [2024-11-10 14:30:22,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 445 transitions, 1176 flow [2024-11-10 14:30:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2090 transitions. [2024-11-10 14:30:22,606 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7588961510530138 [2024-11-10 14:30:22,606 INFO L175 Difference]: Start difference. First operand has 453 places, 446 transitions, 924 flow. Second operand 6 states and 2090 transitions. [2024-11-10 14:30:22,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 445 transitions, 1176 flow [2024-11-10 14:30:22,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 445 transitions, 1146 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:22,614 INFO L231 Difference]: Finished difference. Result has 452 places, 445 transitions, 902 flow [2024-11-10 14:30:22,615 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=902, PETRI_PLACES=452, PETRI_TRANSITIONS=445} [2024-11-10 14:30:22,616 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -5 predicate places. [2024-11-10 14:30:22,616 INFO L471 AbstractCegarLoop]: Abstraction has has 452 places, 445 transitions, 902 flow [2024-11-10 14:30:22,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 329.8333333333333) internal successors, (1979), 6 states have internal predecessors, (1979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:22,617 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:22,618 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:22,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:30:22,618 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:22,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash 659819136, now seen corresponding path program 1 times [2024-11-10 14:30:22,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:22,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716974912] [2024-11-10 14:30:22,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:22,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:22,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:22,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716974912] [2024-11-10 14:30:22,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716974912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:22,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:22,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:30:22,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24109705] [2024-11-10 14:30:22,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:22,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:30:22,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:22,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:30:22,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:30:22,806 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 444 out of 459 [2024-11-10 14:30:22,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 452 places, 445 transitions, 902 flow. Second operand has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:22,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:22,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 444 of 459 [2024-11-10 14:30:22,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:22,885 INFO L124 PetriNetUnfolderBase]: 7/631 cut-off events. [2024-11-10 14:30:22,886 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:30:22,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 670 conditions, 631 events. 7/631 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 646 event pairs, 6 based on Foata normal form. 1/596 useless extension candidates. Maximal degree in co-relation 468. Up to 24 conditions per place. [2024-11-10 14:30:22,888 INFO L140 encePairwiseOnDemand]: 456/459 looper letters, 10 selfloop transitions, 2 changer transitions 0/446 dead transitions. [2024-11-10 14:30:22,888 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 446 transitions, 928 flow [2024-11-10 14:30:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:30:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:30:22,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1345 transitions. [2024-11-10 14:30:22,891 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9767610748002905 [2024-11-10 14:30:22,891 INFO L175 Difference]: Start difference. First operand has 452 places, 445 transitions, 902 flow. Second operand 3 states and 1345 transitions. [2024-11-10 14:30:22,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 446 transitions, 928 flow [2024-11-10 14:30:22,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 449 places, 446 transitions, 918 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:22,900 INFO L231 Difference]: Finished difference. Result has 450 places, 446 transitions, 904 flow [2024-11-10 14:30:22,901 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=892, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=443, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=904, PETRI_PLACES=450, PETRI_TRANSITIONS=446} [2024-11-10 14:30:22,902 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -7 predicate places. [2024-11-10 14:30:22,902 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 446 transitions, 904 flow [2024-11-10 14:30:22,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 445.3333333333333) internal successors, (1336), 3 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:22,903 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:22,903 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:22,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:30:22,904 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:22,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:22,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1991182380, now seen corresponding path program 1 times [2024-11-10 14:30:22,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:22,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044602087] [2024-11-10 14:30:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:22,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:23,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:23,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044602087] [2024-11-10 14:30:23,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044602087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:23,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:23,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:23,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630315220] [2024-11-10 14:30:23,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:23,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:23,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:23,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:23,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:24,281 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 459 [2024-11-10 14:30:24,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 446 transitions, 904 flow. Second operand has 6 states, 6 states have (on average 373.8333333333333) internal successors, (2243), 6 states have internal predecessors, (2243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:24,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:24,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 459 [2024-11-10 14:30:24,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:24,491 INFO L124 PetriNetUnfolderBase]: 55/872 cut-off events. [2024-11-10 14:30:24,492 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:30:24,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1111 conditions, 872 events. 55/872 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2247 event pairs, 54 based on Foata normal form. 0/812 useless extension candidates. Maximal degree in co-relation 888. Up to 219 conditions per place. [2024-11-10 14:30:24,496 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 81 selfloop transitions, 5 changer transitions 0/445 dead transitions. [2024-11-10 14:30:24,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 445 transitions, 1074 flow [2024-11-10 14:30:24,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:24,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2300 transitions. [2024-11-10 14:30:24,501 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8351488743645606 [2024-11-10 14:30:24,501 INFO L175 Difference]: Start difference. First operand has 450 places, 446 transitions, 904 flow. Second operand 6 states and 2300 transitions. [2024-11-10 14:30:24,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 445 transitions, 1074 flow [2024-11-10 14:30:24,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 445 transitions, 1072 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:30:24,509 INFO L231 Difference]: Finished difference. Result has 453 places, 445 transitions, 910 flow [2024-11-10 14:30:24,510 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=900, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=440, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=910, PETRI_PLACES=453, PETRI_TRANSITIONS=445} [2024-11-10 14:30:24,511 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -4 predicate places. [2024-11-10 14:30:24,513 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 445 transitions, 910 flow [2024-11-10 14:30:24,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 373.8333333333333) internal successors, (2243), 6 states have internal predecessors, (2243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:24,514 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:24,515 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:24,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:30:24,515 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:24,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:24,516 INFO L85 PathProgramCache]: Analyzing trace with hash 776892141, now seen corresponding path program 1 times [2024-11-10 14:30:24,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:24,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887557670] [2024-11-10 14:30:24,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:24,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:25,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:25,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:25,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887557670] [2024-11-10 14:30:25,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887557670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:25,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:25,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:25,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566746432] [2024-11-10 14:30:25,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:25,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:25,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:25,655 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 459 [2024-11-10 14:30:25,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 445 transitions, 910 flow. Second operand has 6 states, 6 states have (on average 356.5) internal successors, (2139), 6 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:25,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:25,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 459 [2024-11-10 14:30:25,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:25,908 INFO L124 PetriNetUnfolderBase]: 37/785 cut-off events. [2024-11-10 14:30:25,908 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:30:25,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 785 events. 37/785 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1747 event pairs, 36 based on Foata normal form. 0/742 useless extension candidates. Maximal degree in co-relation 756. Up to 190 conditions per place. [2024-11-10 14:30:25,911 INFO L140 encePairwiseOnDemand]: 441/459 looper letters, 85 selfloop transitions, 15 changer transitions 0/442 dead transitions. [2024-11-10 14:30:25,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 455 places, 442 transitions, 1104 flow [2024-11-10 14:30:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:25,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2215 transitions. [2024-11-10 14:30:25,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8042846768336964 [2024-11-10 14:30:25,917 INFO L175 Difference]: Start difference. First operand has 453 places, 445 transitions, 910 flow. Second operand 6 states and 2215 transitions. [2024-11-10 14:30:25,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 455 places, 442 transitions, 1104 flow [2024-11-10 14:30:25,920 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 450 places, 442 transitions, 1094 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:25,924 INFO L231 Difference]: Finished difference. Result has 450 places, 442 transitions, 924 flow [2024-11-10 14:30:25,925 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=445, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=442, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=924, PETRI_PLACES=450, PETRI_TRANSITIONS=442} [2024-11-10 14:30:25,927 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -7 predicate places. [2024-11-10 14:30:25,927 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 442 transitions, 924 flow [2024-11-10 14:30:25,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 356.5) internal successors, (2139), 6 states have internal predecessors, (2139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:25,929 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:25,929 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:25,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:30:25,930 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:25,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:25,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1321712800, now seen corresponding path program 1 times [2024-11-10 14:30:25,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:25,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514899166] [2024-11-10 14:30:25,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:25,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:26,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:26,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514899166] [2024-11-10 14:30:26,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514899166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:26,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:26,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:26,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56159011] [2024-11-10 14:30:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:26,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:26,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:26,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:26,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:26,998 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 459 [2024-11-10 14:30:27,001 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 442 transitions, 924 flow. Second operand has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:27,001 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:27,001 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 459 [2024-11-10 14:30:27,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:27,312 INFO L124 PetriNetUnfolderBase]: 365/1907 cut-off events. [2024-11-10 14:30:27,312 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:30:27,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2846 conditions, 1907 events. 365/1907 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9439 event pairs, 364 based on Foata normal form. 0/1783 useless extension candidates. Maximal degree in co-relation 2457. Up to 890 conditions per place. [2024-11-10 14:30:27,321 INFO L140 encePairwiseOnDemand]: 441/459 looper letters, 123 selfloop transitions, 15 changer transitions 0/439 dead transitions. [2024-11-10 14:30:27,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 439 transitions, 1194 flow [2024-11-10 14:30:27,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2025 transitions. [2024-11-10 14:30:27,326 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7352941176470589 [2024-11-10 14:30:27,327 INFO L175 Difference]: Start difference. First operand has 450 places, 442 transitions, 924 flow. Second operand 6 states and 2025 transitions. [2024-11-10 14:30:27,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 439 transitions, 1194 flow [2024-11-10 14:30:27,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 439 transitions, 1164 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:27,335 INFO L231 Difference]: Finished difference. Result has 447 places, 439 transitions, 918 flow [2024-11-10 14:30:27,335 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=888, PETRI_DIFFERENCE_MINUEND_PLACES=442, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=918, PETRI_PLACES=447, PETRI_TRANSITIONS=439} [2024-11-10 14:30:27,336 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -10 predicate places. [2024-11-10 14:30:27,337 INFO L471 AbstractCegarLoop]: Abstraction has has 447 places, 439 transitions, 918 flow [2024-11-10 14:30:27,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 320.1666666666667) internal successors, (1921), 6 states have internal predecessors, (1921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:27,339 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:27,339 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:27,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:30:27,339 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:27,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:27,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1091185417, now seen corresponding path program 1 times [2024-11-10 14:30:27,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:27,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569309967] [2024-11-10 14:30:27,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:27,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:27,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:27,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569309967] [2024-11-10 14:30:27,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569309967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:27,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:27,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:27,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660200941] [2024-11-10 14:30:27,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:27,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:27,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:27,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:27,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:28,280 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 317 out of 459 [2024-11-10 14:30:28,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 447 places, 439 transitions, 918 flow. Second operand has 6 states, 6 states have (on average 323.6666666666667) internal successors, (1942), 6 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:28,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:28,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 317 of 459 [2024-11-10 14:30:28,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:28,572 INFO L124 PetriNetUnfolderBase]: 365/1903 cut-off events. [2024-11-10 14:30:28,573 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:30:28,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2838 conditions, 1903 events. 365/1903 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9466 event pairs, 364 based on Foata normal form. 0/1783 useless extension candidates. Maximal degree in co-relation 2453. Up to 886 conditions per place. [2024-11-10 14:30:28,581 INFO L140 encePairwiseOnDemand]: 441/459 looper letters, 120 selfloop transitions, 15 changer transitions 0/436 dead transitions. [2024-11-10 14:30:28,581 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 449 places, 436 transitions, 1182 flow [2024-11-10 14:30:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:28,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2040 transitions. [2024-11-10 14:30:28,586 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7407407407407407 [2024-11-10 14:30:28,586 INFO L175 Difference]: Start difference. First operand has 447 places, 439 transitions, 918 flow. Second operand 6 states and 2040 transitions. [2024-11-10 14:30:28,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 449 places, 436 transitions, 1182 flow [2024-11-10 14:30:28,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 436 transitions, 1152 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:28,593 INFO L231 Difference]: Finished difference. Result has 444 places, 436 transitions, 912 flow [2024-11-10 14:30:28,593 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=912, PETRI_PLACES=444, PETRI_TRANSITIONS=436} [2024-11-10 14:30:28,595 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -13 predicate places. [2024-11-10 14:30:28,595 INFO L471 AbstractCegarLoop]: Abstraction has has 444 places, 436 transitions, 912 flow [2024-11-10 14:30:28,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.6666666666667) internal successors, (1942), 6 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:28,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:28,597 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:28,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:30:28,599 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:28,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1800511806, now seen corresponding path program 1 times [2024-11-10 14:30:28,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:28,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396933552] [2024-11-10 14:30:28,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:28,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:28,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:28,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:28,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396933552] [2024-11-10 14:30:28,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396933552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:28,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814083649] [2024-11-10 14:30:28,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:28,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:28,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:28,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:30:28,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:30:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:29,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 14:30:29,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:29,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:29,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:30:29,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:29,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814083649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:30:29,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:30:29,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-10 14:30:29,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37111067] [2024-11-10 14:30:29,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:30:29,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 14:30:29,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:29,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 14:30:29,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 14:30:29,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 459 [2024-11-10 14:30:29,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 444 places, 436 transitions, 912 flow. Second operand has 10 states, 10 states have (on average 442.8) internal successors, (4428), 10 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:29,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:29,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 459 [2024-11-10 14:30:29,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:29,813 INFO L124 PetriNetUnfolderBase]: 7/727 cut-off events. [2024-11-10 14:30:29,813 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:30:29,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 727 events. 7/727 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 396 event pairs, 6 based on Foata normal form. 2/707 useless extension candidates. Maximal degree in co-relation 365. Up to 24 conditions per place. [2024-11-10 14:30:29,816 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 14 selfloop transitions, 9 changer transitions 0/444 dead transitions. [2024-11-10 14:30:29,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 452 places, 444 transitions, 976 flow [2024-11-10 14:30:29,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:30:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 14:30:29,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 3994 transitions. [2024-11-10 14:30:29,827 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9668361171629145 [2024-11-10 14:30:29,827 INFO L175 Difference]: Start difference. First operand has 444 places, 436 transitions, 912 flow. Second operand 9 states and 3994 transitions. [2024-11-10 14:30:29,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 452 places, 444 transitions, 976 flow [2024-11-10 14:30:29,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 447 places, 444 transitions, 946 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:29,834 INFO L231 Difference]: Finished difference. Result has 450 places, 442 transitions, 932 flow [2024-11-10 14:30:29,836 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=439, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=436, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=430, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=932, PETRI_PLACES=450, PETRI_TRANSITIONS=442} [2024-11-10 14:30:29,837 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, -7 predicate places. [2024-11-10 14:30:29,837 INFO L471 AbstractCegarLoop]: Abstraction has has 450 places, 442 transitions, 932 flow [2024-11-10 14:30:29,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 442.8) internal successors, (4428), 10 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:29,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:29,840 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:29,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:30:30,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:30,042 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:30,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1950970878, now seen corresponding path program 2 times [2024-11-10 14:30:30,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:30,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774099821] [2024-11-10 14:30:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:30,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:30,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:30,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774099821] [2024-11-10 14:30:30,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774099821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:30,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541678482] [2024-11-10 14:30:30,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:30:30,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:30,792 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:30:30,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:30:31,074 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:30:31,074 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:30:31,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 14:30:31,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:31,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-10 14:30:31,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-10 14:30:31,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:31,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-10 14:30:31,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:31,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-10 14:30:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-11-10 14:30:31,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:30:31,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541678482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:31,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:30:31,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-10 14:30:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825604318] [2024-11-10 14:30:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:31,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:31,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:31,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:31,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-10 14:30:32,006 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 459 [2024-11-10 14:30:32,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 450 places, 442 transitions, 932 flow. Second operand has 6 states, 6 states have (on average 373.3333333333333) internal successors, (2240), 6 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:32,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:32,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 459 [2024-11-10 14:30:32,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:32,645 INFO L124 PetriNetUnfolderBase]: 257/2033 cut-off events. [2024-11-10 14:30:32,645 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:30:32,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2728 conditions, 2033 events. 257/2033 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 10098 event pairs, 34 based on Foata normal form. 0/1906 useless extension candidates. Maximal degree in co-relation 2223. Up to 515 conditions per place. [2024-11-10 14:30:32,655 INFO L140 encePairwiseOnDemand]: 430/459 looper letters, 91 selfloop transitions, 75 changer transitions 0/519 dead transitions. [2024-11-10 14:30:32,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 454 places, 519 transitions, 1418 flow [2024-11-10 14:30:32,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2364 transitions. [2024-11-10 14:30:32,660 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8583877995642701 [2024-11-10 14:30:32,660 INFO L175 Difference]: Start difference. First operand has 450 places, 442 transitions, 932 flow. Second operand 6 states and 2364 transitions. [2024-11-10 14:30:32,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 454 places, 519 transitions, 1418 flow [2024-11-10 14:30:32,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 519 transitions, 1412 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 14:30:32,671 INFO L231 Difference]: Finished difference. Result has 458 places, 510 transitions, 1406 flow [2024-11-10 14:30:32,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=924, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=441, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=414, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1406, PETRI_PLACES=458, PETRI_TRANSITIONS=510} [2024-11-10 14:30:32,672 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 1 predicate places. [2024-11-10 14:30:32,673 INFO L471 AbstractCegarLoop]: Abstraction has has 458 places, 510 transitions, 1406 flow [2024-11-10 14:30:32,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 373.3333333333333) internal successors, (2240), 6 states have internal predecessors, (2240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:32,674 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:32,675 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:32,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 14:30:32,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 14:30:32,880 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:32,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:32,880 INFO L85 PathProgramCache]: Analyzing trace with hash -199614392, now seen corresponding path program 1 times [2024-11-10 14:30:32,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:32,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52264980] [2024-11-10 14:30:32,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:32,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:33,507 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:33,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:33,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52264980] [2024-11-10 14:30:33,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52264980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:33,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882660714] [2024-11-10 14:30:33,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:33,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:33,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:33,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:30:33,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:30:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:33,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 14:30:33,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:34,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:30:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:34,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882660714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:30:34,776 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:30:34,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-10 14:30:34,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602253683] [2024-11-10 14:30:34,776 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:30:34,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 14:30:34,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:34,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 14:30:34,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-10 14:30:34,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 459 [2024-11-10 14:30:34,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 458 places, 510 transitions, 1406 flow. Second operand has 18 states, 18 states have (on average 442.8888888888889) internal successors, (7972), 18 states have internal predecessors, (7972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:34,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:34,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 459 [2024-11-10 14:30:34,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:35,678 INFO L124 PetriNetUnfolderBase]: 150/2157 cut-off events. [2024-11-10 14:30:35,678 INFO L125 PetriNetUnfolderBase]: For 217/237 co-relation queries the response was YES. [2024-11-10 14:30:35,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2862 conditions, 2157 events. 150/2157 cut-off events. For 217/237 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7302 event pairs, 21 based on Foata normal form. 4/2073 useless extension candidates. Maximal degree in co-relation 1958. Up to 207 conditions per place. [2024-11-10 14:30:35,686 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 19 selfloop transitions, 21 changer transitions 0/528 dead transitions. [2024-11-10 14:30:35,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 478 places, 528 transitions, 1574 flow [2024-11-10 14:30:35,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 14:30:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-10 14:30:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 9304 transitions. [2024-11-10 14:30:35,760 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9652453574022202 [2024-11-10 14:30:35,760 INFO L175 Difference]: Start difference. First operand has 458 places, 510 transitions, 1406 flow. Second operand 21 states and 9304 transitions. [2024-11-10 14:30:35,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 478 places, 528 transitions, 1574 flow [2024-11-10 14:30:35,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 478 places, 528 transitions, 1574 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:30:35,772 INFO L231 Difference]: Finished difference. Result has 483 places, 523 transitions, 1536 flow [2024-11-10 14:30:35,773 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=1406, PETRI_DIFFERENCE_MINUEND_PLACES=458, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1536, PETRI_PLACES=483, PETRI_TRANSITIONS=523} [2024-11-10 14:30:35,773 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 26 predicate places. [2024-11-10 14:30:35,774 INFO L471 AbstractCegarLoop]: Abstraction has has 483 places, 523 transitions, 1536 flow [2024-11-10 14:30:35,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 442.8888888888889) internal successors, (7972), 18 states have internal predecessors, (7972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:35,776 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:35,777 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:35,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:30:35,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:35,978 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:35,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:35,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1696884024, now seen corresponding path program 2 times [2024-11-10 14:30:35,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:35,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189982445] [2024-11-10 14:30:35,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:35,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 2261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:37,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:37,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189982445] [2024-11-10 14:30:37,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189982445] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:37,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372874243] [2024-11-10 14:30:37,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:30:37,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:37,763 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:30:37,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:30:38,237 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 14:30:38,237 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:30:38,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 14:30:38,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:38,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-10 14:30:38,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2024-11-10 14:30:38,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:38,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2024-11-10 14:30:38,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:30:38,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2024-11-10 14:30:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2261 trivial. 0 not checked. [2024-11-10 14:30:38,406 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:30:38,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372874243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:38,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:30:38,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-11-10 14:30:38,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394028497] [2024-11-10 14:30:38,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:38,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:38,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:38,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:38,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-11-10 14:30:39,010 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 459 [2024-11-10 14:30:39,012 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 483 places, 523 transitions, 1536 flow. Second operand has 6 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:39,012 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:39,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 459 [2024-11-10 14:30:39,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:39,645 INFO L124 PetriNetUnfolderBase]: 212/2321 cut-off events. [2024-11-10 14:30:39,645 INFO L125 PetriNetUnfolderBase]: For 462/493 co-relation queries the response was YES. [2024-11-10 14:30:39,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3613 conditions, 2321 events. 212/2321 cut-off events. For 462/493 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 9107 event pairs, 54 based on Foata normal form. 0/2219 useless extension candidates. Maximal degree in co-relation 2504. Up to 564 conditions per place. [2024-11-10 14:30:39,655 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 142 selfloop transitions, 5 changer transitions 0/522 dead transitions. [2024-11-10 14:30:39,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 487 places, 522 transitions, 1828 flow [2024-11-10 14:30:39,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:39,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2315 transitions. [2024-11-10 14:30:39,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8405954974582426 [2024-11-10 14:30:39,659 INFO L175 Difference]: Start difference. First operand has 483 places, 523 transitions, 1536 flow. Second operand 6 states and 2315 transitions. [2024-11-10 14:30:39,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 487 places, 522 transitions, 1828 flow [2024-11-10 14:30:39,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 481 places, 522 transitions, 1804 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-10 14:30:39,670 INFO L231 Difference]: Finished difference. Result has 481 places, 522 transitions, 1520 flow [2024-11-10 14:30:39,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=1510, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=517, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1520, PETRI_PLACES=481, PETRI_TRANSITIONS=522} [2024-11-10 14:30:39,671 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 24 predicate places. [2024-11-10 14:30:39,671 INFO L471 AbstractCegarLoop]: Abstraction has has 481 places, 522 transitions, 1520 flow [2024-11-10 14:30:39,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 380.6666666666667) internal successors, (2284), 6 states have internal predecessors, (2284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:39,673 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:39,673 INFO L204 CegarLoopForPetriNet]: trace histogram [8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:39,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 14:30:39,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:39,874 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:39,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash -51378749, now seen corresponding path program 1 times [2024-11-10 14:30:39,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:39,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84469965] [2024-11-10 14:30:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:39,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:41,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 2261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:41,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:41,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84469965] [2024-11-10 14:30:41,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84469965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:30:41,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111672588] [2024-11-10 14:30:41,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:41,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:30:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:30:41,635 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:30:41,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:30:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:42,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 3682 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-10 14:30:42,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:30:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 2261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:43,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:30:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 2261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:30:44,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111672588] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:30:44,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:30:44,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-10 14:30:44,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049634685] [2024-11-10 14:30:44,062 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:30:44,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 14:30:44,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:44,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 14:30:44,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-10 14:30:44,294 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 441 out of 459 [2024-11-10 14:30:44,299 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 481 places, 522 transitions, 1520 flow. Second operand has 23 states, 23 states have (on average 443.0869565217391) internal successors, (10191), 23 states have internal predecessors, (10191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:44,299 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:44,299 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 441 of 459 [2024-11-10 14:30:44,299 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:45,090 INFO L124 PetriNetUnfolderBase]: 150/2477 cut-off events. [2024-11-10 14:30:45,090 INFO L125 PetriNetUnfolderBase]: For 372/392 co-relation queries the response was YES. [2024-11-10 14:30:45,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3263 conditions, 2477 events. 150/2477 cut-off events. For 372/392 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 7300 event pairs, 21 based on Foata normal form. 3/2393 useless extension candidates. Maximal degree in co-relation 1969. Up to 207 conditions per place. [2024-11-10 14:30:45,100 INFO L140 encePairwiseOnDemand]: 453/459 looper letters, 22 selfloop transitions, 30 changer transitions 0/539 dead transitions. [2024-11-10 14:30:45,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 510 places, 539 transitions, 1746 flow [2024-11-10 14:30:45,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-10 14:30:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-11-10 14:30:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 13284 transitions. [2024-11-10 14:30:45,115 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9647058823529412 [2024-11-10 14:30:45,115 INFO L175 Difference]: Start difference. First operand has 481 places, 522 transitions, 1520 flow. Second operand 30 states and 13284 transitions. [2024-11-10 14:30:45,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 510 places, 539 transitions, 1746 flow [2024-11-10 14:30:45,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 505 places, 539 transitions, 1736 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:30:45,125 INFO L231 Difference]: Finished difference. Result has 509 places, 532 transitions, 1662 flow [2024-11-10 14:30:45,125 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=1510, PETRI_DIFFERENCE_MINUEND_PLACES=476, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=522, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=499, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1662, PETRI_PLACES=509, PETRI_TRANSITIONS=532} [2024-11-10 14:30:45,126 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 52 predicate places. [2024-11-10 14:30:45,126 INFO L471 AbstractCegarLoop]: Abstraction has has 509 places, 532 transitions, 1662 flow [2024-11-10 14:30:45,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 443.0869565217391) internal successors, (10191), 23 states have internal predecessors, (10191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:45,128 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:45,129 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:45,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:30:45,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-10 14:30:45,329 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:45,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:45,330 INFO L85 PathProgramCache]: Analyzing trace with hash 279382789, now seen corresponding path program 2 times [2024-11-10 14:30:45,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:45,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680815602] [2024-11-10 14:30:45,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:45,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4835 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4835 trivial. 0 not checked. [2024-11-10 14:30:48,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:48,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680815602] [2024-11-10 14:30:48,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680815602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:48,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:48,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:48,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304793325] [2024-11-10 14:30:48,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:48,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:48,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:48,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:48,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:49,244 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 459 [2024-11-10 14:30:49,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 509 places, 532 transitions, 1662 flow. Second operand has 6 states, 6 states have (on average 382.1666666666667) internal successors, (2293), 6 states have internal predecessors, (2293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:49,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:49,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 459 [2024-11-10 14:30:49,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:50,812 INFO L124 PetriNetUnfolderBase]: 530/3546 cut-off events. [2024-11-10 14:30:50,812 INFO L125 PetriNetUnfolderBase]: For 961/1033 co-relation queries the response was YES. [2024-11-10 14:30:50,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6026 conditions, 3546 events. 530/3546 cut-off events. For 961/1033 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 16101 event pairs, 92 based on Foata normal form. 16/3405 useless extension candidates. Maximal degree in co-relation 4451. Up to 1089 conditions per place. [2024-11-10 14:30:50,829 INFO L140 encePairwiseOnDemand]: 436/459 looper letters, 155 selfloop transitions, 130 changer transitions 0/669 dead transitions. [2024-11-10 14:30:50,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 514 places, 669 transitions, 2882 flow [2024-11-10 14:30:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:50,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:50,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2393 transitions. [2024-11-10 14:30:50,831 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8689179375453885 [2024-11-10 14:30:50,831 INFO L175 Difference]: Start difference. First operand has 509 places, 532 transitions, 1662 flow. Second operand 6 states and 2393 transitions. [2024-11-10 14:30:50,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 514 places, 669 transitions, 2882 flow [2024-11-10 14:30:50,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 496 places, 669 transitions, 2836 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-11-10 14:30:50,845 INFO L231 Difference]: Finished difference. Result has 501 places, 661 transitions, 2844 flow [2024-11-10 14:30:50,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=1616, PETRI_DIFFERENCE_MINUEND_PLACES=491, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=532, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=495, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2844, PETRI_PLACES=501, PETRI_TRANSITIONS=661} [2024-11-10 14:30:50,846 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 44 predicate places. [2024-11-10 14:30:50,846 INFO L471 AbstractCegarLoop]: Abstraction has has 501 places, 661 transitions, 2844 flow [2024-11-10 14:30:50,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 382.1666666666667) internal successors, (2293), 6 states have internal predecessors, (2293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:50,847 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:50,847 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:50,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:30:50,847 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:50,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:50,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1414619234, now seen corresponding path program 1 times [2024-11-10 14:30:50,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:50,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98775606] [2024-11-10 14:30:50,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:50,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:53,701 INFO L134 CoverageAnalysis]: Checked inductivity of 4835 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4835 trivial. 0 not checked. [2024-11-10 14:30:53,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:53,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98775606] [2024-11-10 14:30:53,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98775606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:53,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:53,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:53,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461704007] [2024-11-10 14:30:53,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:53,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:53,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:53,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:53,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:54,389 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 371 out of 459 [2024-11-10 14:30:54,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 501 places, 661 transitions, 2844 flow. Second operand has 6 states, 6 states have (on average 381.5) internal successors, (2289), 6 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:54,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:54,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 371 of 459 [2024-11-10 14:30:54,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:30:56,025 INFO L124 PetriNetUnfolderBase]: 806/4317 cut-off events. [2024-11-10 14:30:56,025 INFO L125 PetriNetUnfolderBase]: For 3329/3553 co-relation queries the response was YES. [2024-11-10 14:30:56,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8889 conditions, 4317 events. 806/4317 cut-off events. For 3329/3553 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 22216 event pairs, 65 based on Foata normal form. 52/4204 useless extension candidates. Maximal degree in co-relation 7331. Up to 1348 conditions per place. [2024-11-10 14:30:56,050 INFO L140 encePairwiseOnDemand]: 436/459 looper letters, 276 selfloop transitions, 131 changer transitions 5/799 dead transitions. [2024-11-10 14:30:56,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 506 places, 799 transitions, 4568 flow [2024-11-10 14:30:56,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:30:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:30:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2389 transitions. [2024-11-10 14:30:56,054 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8674655047204067 [2024-11-10 14:30:56,054 INFO L175 Difference]: Start difference. First operand has 501 places, 661 transitions, 2844 flow. Second operand 6 states and 2389 transitions. [2024-11-10 14:30:56,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 506 places, 799 transitions, 4568 flow [2024-11-10 14:30:56,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 506 places, 799 transitions, 4568 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:30:56,075 INFO L231 Difference]: Finished difference. Result has 511 places, 789 transitions, 4324 flow [2024-11-10 14:30:56,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=2844, PETRI_DIFFERENCE_MINUEND_PLACES=501, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=661, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=623, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4324, PETRI_PLACES=511, PETRI_TRANSITIONS=789} [2024-11-10 14:30:56,076 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 54 predicate places. [2024-11-10 14:30:56,077 INFO L471 AbstractCegarLoop]: Abstraction has has 511 places, 789 transitions, 4324 flow [2024-11-10 14:30:56,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 381.5) internal successors, (2289), 6 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:56,077 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:30:56,078 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:30:56,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:30:56,078 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:30:56,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:30:56,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1832173034, now seen corresponding path program 1 times [2024-11-10 14:30:56,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:30:56,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465047460] [2024-11-10 14:30:56,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:30:56,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:30:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:30:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4835 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4835 trivial. 0 not checked. [2024-11-10 14:30:58,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:30:58,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465047460] [2024-11-10 14:30:58,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465047460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:30:58,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:30:58,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:30:58,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560994806] [2024-11-10 14:30:58,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:30:58,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:30:58,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:30:58,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:30:58,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:30:59,262 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 335 out of 459 [2024-11-10 14:30:59,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 511 places, 789 transitions, 4324 flow. Second operand has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:30:59,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:30:59,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 335 of 459 [2024-11-10 14:30:59,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:31:01,110 INFO L124 PetriNetUnfolderBase]: 1308/5685 cut-off events. [2024-11-10 14:31:01,110 INFO L125 PetriNetUnfolderBase]: For 4860/4917 co-relation queries the response was YES. [2024-11-10 14:31:01,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13614 conditions, 5685 events. 1308/5685 cut-off events. For 4860/4917 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 33817 event pairs, 369 based on Foata normal form. 11/5451 useless extension candidates. Maximal degree in co-relation 11972. Up to 2589 conditions per place. [2024-11-10 14:31:01,147 INFO L140 encePairwiseOnDemand]: 440/459 looper letters, 356 selfloop transitions, 84 changer transitions 0/868 dead transitions. [2024-11-10 14:31:01,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 515 places, 868 transitions, 5602 flow [2024-11-10 14:31:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:31:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:31:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2192 transitions. [2024-11-10 14:31:01,150 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7959331880900509 [2024-11-10 14:31:01,150 INFO L175 Difference]: Start difference. First operand has 511 places, 789 transitions, 4324 flow. Second operand 6 states and 2192 transitions. [2024-11-10 14:31:01,150 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 515 places, 868 transitions, 5602 flow [2024-11-10 14:31:01,173 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 515 places, 868 transitions, 5348 flow, removed 127 selfloop flow, removed 0 redundant places. [2024-11-10 14:31:01,183 INFO L231 Difference]: Finished difference. Result has 520 places, 860 transitions, 4860 flow [2024-11-10 14:31:01,184 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=459, PETRI_DIFFERENCE_MINUEND_FLOW=4076, PETRI_DIFFERENCE_MINUEND_PLACES=510, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=789, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=741, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4860, PETRI_PLACES=520, PETRI_TRANSITIONS=860} [2024-11-10 14:31:01,185 INFO L277 CegarLoopForPetriNet]: 457 programPoint places, 63 predicate places. [2024-11-10 14:31:01,185 INFO L471 AbstractCegarLoop]: Abstraction has has 520 places, 860 transitions, 4860 flow [2024-11-10 14:31:01,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 349.3333333333333) internal successors, (2096), 6 states have internal predecessors, (2096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:31:01,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:31:01,186 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:31:01,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:31:01,187 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (and 32 more)] === [2024-11-10 14:31:01,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:31:01,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1438965040, now seen corresponding path program 1 times [2024-11-10 14:31:01,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:31:01,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114441757] [2024-11-10 14:31:01,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:31:01,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:31:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat