./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:40:02,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:40:02,272 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:40:02,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:40:02,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:40:02,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:40:02,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:40:02,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:40:02,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:40:02,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:40:02,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:40:02,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:40:02,315 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:40:02,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:40:02,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:40:02,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:40:02,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:40:02,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:40:02,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:40:02,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:40:02,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:40:02,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:40:02,324 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:40:02,324 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:40:02,324 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:40:02,325 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:40:02,325 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:40:02,325 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:40:02,325 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:40:02,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:40:02,326 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:40:02,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:40:02,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:40:02,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:40:02,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:40:02,328 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:40:02,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:40:02,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:40:02,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:40:02,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:40:02,329 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:40:02,330 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3dfcb4860b3021904fb2e25e7c2a428c9bcb0d82c2290cad723458395a0647ea [2024-11-12 12:40:02,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:40:02,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:40:02,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:40:02,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:40:02,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:40:02,638 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-11-12 12:40:04,126 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:40:04,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:40:04,359 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2024-11-12 12:40:04,371 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa33065ba/3382fb684208421a95b3a87b1a13bfb2/FLAG8fc2a3c7a [2024-11-12 12:40:04,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa33065ba/3382fb684208421a95b3a87b1a13bfb2 [2024-11-12 12:40:04,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:40:04,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:40:04,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:40:04,395 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:40:04,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:40:04,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b49dda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04, skipping insertion in model container [2024-11-12 12:40:04,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:40:04,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:40:04,735 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:40:04,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:40:04,819 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:40:04,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04 WrapperNode [2024-11-12 12:40:04,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:40:04,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:40:04,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:40:04,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:40:04,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,946 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 29, calls inlined = 35, statements flattened = 838 [2024-11-12 12:40:04,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:40:04,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:40:04,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:40:04,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:40:04,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:04,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:05,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:05,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:05,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:05,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:40:05,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:40:05,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:40:05,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:40:05,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (1/1) ... [2024-11-12 12:40:05,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:40:05,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:40:05,091 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) [2024-11-12 12:40:05,092 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 [2024-11-12 12:40:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:40:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 12:40:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:40:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:40:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 12:40:05,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-12 12:40:05,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-12 12:40:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-12 12:40:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-12 12:40:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-12 12:40:05,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-12 12:40:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:40:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:40:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:40:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 12:40:05,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:40:05,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:40:05,143 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:40:05,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:40:05,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:40:06,441 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:40:06,441 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:40:07,379 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:40:07,380 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-12 12:40:07,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:07 BoogieIcfgContainer [2024-11-12 12:40:07,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:40:07,382 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:40:07,382 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:40:07,386 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:40:07,387 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:40:04" (1/3) ... [2024-11-12 12:40:07,388 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487523ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:40:07, skipping insertion in model container [2024-11-12 12:40:07,388 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:40:04" (2/3) ... [2024-11-12 12:40:07,389 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487523ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:40:07, skipping insertion in model container [2024-11-12 12:40:07,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:40:07" (3/3) ... [2024-11-12 12:40:07,390 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-prod-cons-eq.wvr.c [2024-11-12 12:40:07,409 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:40:07,410 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 133 error locations. [2024-11-12 12:40:07,410 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:40:07,630 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-12 12:40:07,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 817 places, 852 transitions, 1725 flow [2024-11-12 12:40:07,993 INFO L124 PetriNetUnfolderBase]: 45/849 cut-off events. [2024-11-12 12:40:07,993 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-12 12:40:08,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 849 events. 45/849 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1598 event pairs, 0 based on Foata normal form. 0/671 useless extension candidates. Maximal degree in co-relation 605. Up to 2 conditions per place. [2024-11-12 12:40:08,008 INFO L82 GeneralOperation]: Start removeDead. Operand has 817 places, 852 transitions, 1725 flow [2024-11-12 12:40:08,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 798 places, 832 transitions, 1682 flow [2024-11-12 12:40:08,040 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:40:08,048 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;@4a8bd2e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:40:08,050 INFO L334 AbstractCegarLoop]: Starting to check reachability of 234 error locations. [2024-11-12 12:40:08,054 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:40:08,055 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-12 12:40:08,056 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:40:08,056 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:08,057 INFO L206 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] [2024-11-12 12:40:08,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:08,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:08,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1705745168, now seen corresponding path program 1 times [2024-11-12 12:40:08,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:08,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305423915] [2024-11-12 12:40:08,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:08,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:08,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:08,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:08,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305423915] [2024-11-12 12:40:08,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305423915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:08,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:08,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:08,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937185366] [2024-11-12 12:40:08,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:08,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:08,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:08,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:08,363 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-12 12:40:08,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 798 places, 832 transitions, 1682 flow. Second operand has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 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) [2024-11-12 12:40:08,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:08,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-12 12:40:08,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:08,871 INFO L124 PetriNetUnfolderBase]: 58/1094 cut-off events. [2024-11-12 12:40:08,871 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-12 12:40:08,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1197 conditions, 1094 events. 58/1094 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3553 event pairs, 19 based on Foata normal form. 77/979 useless extension candidates. Maximal degree in co-relation 784. Up to 65 conditions per place. [2024-11-12 12:40:08,892 INFO L140 encePairwiseOnDemand]: 770/852 looper letters, 14 selfloop transitions, 2 changer transitions 12/752 dead transitions. [2024-11-12 12:40:08,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 748 places, 752 transitions, 1554 flow [2024-11-12 12:40:08,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2355 transitions. [2024-11-12 12:40:08,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9213615023474179 [2024-11-12 12:40:08,916 INFO L175 Difference]: Start difference. First operand has 798 places, 832 transitions, 1682 flow. Second operand 3 states and 2355 transitions. [2024-11-12 12:40:08,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 748 places, 752 transitions, 1554 flow [2024-11-12 12:40:08,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 742 places, 752 transitions, 1542 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-12 12:40:08,945 INFO L231 Difference]: Finished difference. Result has 742 places, 740 transitions, 1490 flow [2024-11-12 12:40:08,948 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1510, PETRI_DIFFERENCE_MINUEND_PLACES=740, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=752, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=750, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1490, PETRI_PLACES=742, PETRI_TRANSITIONS=740} [2024-11-12 12:40:08,955 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -56 predicate places. [2024-11-12 12:40:08,956 INFO L471 AbstractCegarLoop]: Abstraction has has 742 places, 740 transitions, 1490 flow [2024-11-12 12:40:08,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 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) [2024-11-12 12:40:08,958 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:08,958 INFO L206 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] [2024-11-12 12:40:08,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:40:08,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:08,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:08,960 INFO L85 PathProgramCache]: Analyzing trace with hash 740870238, now seen corresponding path program 1 times [2024-11-12 12:40:08,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:08,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028323095] [2024-11-12 12:40:08,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:08,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:09,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:09,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028323095] [2024-11-12 12:40:09,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028323095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:09,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:09,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:09,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587574677] [2024-11-12 12:40:09,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:09,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:09,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:09,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:09,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:09,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 746 out of 852 [2024-11-12 12:40:09,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 742 places, 740 transitions, 1490 flow. Second operand has 3 states, 3 states have (on average 747.3333333333334) internal successors, (2242), 3 states have internal predecessors, (2242), 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) [2024-11-12 12:40:09,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:09,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 746 of 852 [2024-11-12 12:40:09,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:09,403 INFO L124 PetriNetUnfolderBase]: 118/1177 cut-off events. [2024-11-12 12:40:09,403 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:40:09,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1387 conditions, 1177 events. 118/1177 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4323 event pairs, 67 based on Foata normal form. 0/985 useless extension candidates. Maximal degree in co-relation 1344. Up to 168 conditions per place. [2024-11-12 12:40:09,424 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 21 selfloop transitions, 2 changer transitions 0/739 dead transitions. [2024-11-12 12:40:09,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 731 places, 739 transitions, 1534 flow [2024-11-12 12:40:09,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:09,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2262 transitions. [2024-11-12 12:40:09,429 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8849765258215962 [2024-11-12 12:40:09,429 INFO L175 Difference]: Start difference. First operand has 742 places, 740 transitions, 1490 flow. Second operand 3 states and 2262 transitions. [2024-11-12 12:40:09,429 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 731 places, 739 transitions, 1534 flow [2024-11-12 12:40:09,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 729 places, 739 transitions, 1530 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:09,443 INFO L231 Difference]: Finished difference. Result has 729 places, 739 transitions, 1488 flow [2024-11-12 12:40:09,445 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1484, PETRI_DIFFERENCE_MINUEND_PLACES=727, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=737, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1488, PETRI_PLACES=729, PETRI_TRANSITIONS=739} [2024-11-12 12:40:09,446 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -69 predicate places. [2024-11-12 12:40:09,446 INFO L471 AbstractCegarLoop]: Abstraction has has 729 places, 739 transitions, 1488 flow [2024-11-12 12:40:09,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 747.3333333333334) internal successors, (2242), 3 states have internal predecessors, (2242), 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) [2024-11-12 12:40:09,448 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:09,448 INFO L206 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] [2024-11-12 12:40:09,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:40:09,448 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:09,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:09,451 INFO L85 PathProgramCache]: Analyzing trace with hash -457459096, now seen corresponding path program 1 times [2024-11-12 12:40:09,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:09,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649121883] [2024-11-12 12:40:09,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:09,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:09,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:09,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649121883] [2024-11-12 12:40:09,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649121883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:09,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:09,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:09,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117179422] [2024-11-12 12:40:09,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:09,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:09,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:09,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:09,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:09,587 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 740 out of 852 [2024-11-12 12:40:09,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 739 transitions, 1488 flow. Second operand has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 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) [2024-11-12 12:40:09,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:09,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 740 of 852 [2024-11-12 12:40:09,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:09,997 INFO L124 PetriNetUnfolderBase]: 172/1301 cut-off events. [2024-11-12 12:40:09,997 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-12 12:40:10,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 1301 events. 172/1301 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 5345 event pairs, 99 based on Foata normal form. 0/1127 useless extension candidates. Maximal degree in co-relation 1564. Up to 235 conditions per place. [2024-11-12 12:40:10,027 INFO L140 encePairwiseOnDemand]: 843/852 looper letters, 27 selfloop transitions, 3 changer transitions 0/738 dead transitions. [2024-11-12 12:40:10,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 725 places, 738 transitions, 1548 flow [2024-11-12 12:40:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:10,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:10,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2256 transitions. [2024-11-12 12:40:10,032 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8826291079812206 [2024-11-12 12:40:10,033 INFO L175 Difference]: Start difference. First operand has 729 places, 739 transitions, 1488 flow. Second operand 3 states and 2256 transitions. [2024-11-12 12:40:10,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 725 places, 738 transitions, 1548 flow [2024-11-12 12:40:10,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 723 places, 738 transitions, 1544 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:10,045 INFO L231 Difference]: Finished difference. Result has 723 places, 733 transitions, 1478 flow [2024-11-12 12:40:10,046 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1472, PETRI_DIFFERENCE_MINUEND_PLACES=721, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=733, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=730, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1478, PETRI_PLACES=723, PETRI_TRANSITIONS=733} [2024-11-12 12:40:10,047 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -75 predicate places. [2024-11-12 12:40:10,047 INFO L471 AbstractCegarLoop]: Abstraction has has 723 places, 733 transitions, 1478 flow [2024-11-12 12:40:10,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 741.0) internal successors, (2223), 3 states have internal predecessors, (2223), 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) [2024-11-12 12:40:10,049 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:10,049 INFO L206 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] [2024-11-12 12:40:10,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 12:40:10,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:10,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:10,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1450475615, now seen corresponding path program 1 times [2024-11-12 12:40:10,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:10,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152862177] [2024-11-12 12:40:10,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:10,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:10,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:10,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152862177] [2024-11-12 12:40:10,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152862177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:10,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:10,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:10,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719762164] [2024-11-12 12:40:10,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:10,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:10,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:10,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:10,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:10,155 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 741 out of 852 [2024-11-12 12:40:10,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 723 places, 733 transitions, 1478 flow. Second operand has 3 states, 3 states have (on average 742.3333333333334) internal successors, (2227), 3 states have internal predecessors, (2227), 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) [2024-11-12 12:40:10,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:10,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 741 of 852 [2024-11-12 12:40:10,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:10,747 INFO L124 PetriNetUnfolderBase]: 418/2446 cut-off events. [2024-11-12 12:40:10,748 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2024-11-12 12:40:10,757 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3054 conditions, 2446 events. 418/2446 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 13216 event pairs, 235 based on Foata normal form. 0/2001 useless extension candidates. Maximal degree in co-relation 1984. Up to 557 conditions per place. [2024-11-12 12:40:10,769 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 26 selfloop transitions, 2 changer transitions 0/732 dead transitions. [2024-11-12 12:40:10,769 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 724 places, 732 transitions, 1532 flow [2024-11-12 12:40:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2252 transitions. [2024-11-12 12:40:10,778 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8810641627543035 [2024-11-12 12:40:10,778 INFO L175 Difference]: Start difference. First operand has 723 places, 733 transitions, 1478 flow. Second operand 3 states and 2252 transitions. [2024-11-12 12:40:10,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 724 places, 732 transitions, 1532 flow [2024-11-12 12:40:10,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 722 places, 732 transitions, 1526 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:10,794 INFO L231 Difference]: Finished difference. Result has 722 places, 732 transitions, 1474 flow [2024-11-12 12:40:10,796 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=720, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=732, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=730, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=722, PETRI_TRANSITIONS=732} [2024-11-12 12:40:10,796 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -76 predicate places. [2024-11-12 12:40:10,797 INFO L471 AbstractCegarLoop]: Abstraction has has 722 places, 732 transitions, 1474 flow [2024-11-12 12:40:10,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 742.3333333333334) internal successors, (2227), 3 states have internal predecessors, (2227), 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) [2024-11-12 12:40:10,799 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:10,799 INFO L206 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] [2024-11-12 12:40:10,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 12:40:10,799 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:10,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:10,800 INFO L85 PathProgramCache]: Analyzing trace with hash 16345224, now seen corresponding path program 1 times [2024-11-12 12:40:10,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:10,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633304139] [2024-11-12 12:40:10,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:10,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:10,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:10,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:10,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633304139] [2024-11-12 12:40:10,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633304139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:10,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:10,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:10,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001842274] [2024-11-12 12:40:10,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:10,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:10,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:10,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:10,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:10,888 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-12 12:40:10,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 722 places, 732 transitions, 1474 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:10,892 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:10,892 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-12 12:40:10,892 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:11,119 INFO L124 PetriNetUnfolderBase]: 58/1053 cut-off events. [2024-11-12 12:40:11,120 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 12:40:11,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1138 conditions, 1053 events. 58/1053 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 3329 event pairs, 19 based on Foata normal form. 0/902 useless extension candidates. Maximal degree in co-relation 1080. Up to 67 conditions per place. [2024-11-12 12:40:11,135 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 2 changer transitions 0/731 dead transitions. [2024-11-12 12:40:11,135 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 723 places, 731 transitions, 1508 flow [2024-11-12 12:40:11,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-12 12:40:11,141 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-12 12:40:11,141 INFO L175 Difference]: Start difference. First operand has 722 places, 732 transitions, 1474 flow. Second operand 3 states and 2272 transitions. [2024-11-12 12:40:11,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 723 places, 731 transitions, 1508 flow [2024-11-12 12:40:11,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 721 places, 731 transitions, 1504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:11,153 INFO L231 Difference]: Finished difference. Result has 721 places, 731 transitions, 1472 flow [2024-11-12 12:40:11,155 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1468, PETRI_DIFFERENCE_MINUEND_PLACES=719, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=731, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1472, PETRI_PLACES=721, PETRI_TRANSITIONS=731} [2024-11-12 12:40:11,156 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -77 predicate places. [2024-11-12 12:40:11,156 INFO L471 AbstractCegarLoop]: Abstraction has has 721 places, 731 transitions, 1472 flow [2024-11-12 12:40:11,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:11,158 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:11,158 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:11,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 12:40:11,158 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:11,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:11,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1578952280, now seen corresponding path program 1 times [2024-11-12 12:40:11,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:11,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669684403] [2024-11-12 12:40:11,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:11,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:11,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:11,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669684403] [2024-11-12 12:40:11,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669684403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:11,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:11,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:11,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486952516] [2024-11-12 12:40:11,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:11,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:11,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:11,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:11,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:11,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-12 12:40:11,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 721 places, 731 transitions, 1472 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:11,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:11,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-12 12:40:11,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:11,503 INFO L124 PetriNetUnfolderBase]: 68/1036 cut-off events. [2024-11-12 12:40:11,504 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-12 12:40:11,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1143 conditions, 1036 events. 68/1036 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3230 event pairs, 11 based on Foata normal form. 0/892 useless extension candidates. Maximal degree in co-relation 1077. Up to 47 conditions per place. [2024-11-12 12:40:11,517 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 21 selfloop transitions, 3 changer transitions 0/737 dead transitions. [2024-11-12 12:40:11,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 737 transitions, 1536 flow [2024-11-12 12:40:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:11,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2285 transitions. [2024-11-12 12:40:11,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8939749608763693 [2024-11-12 12:40:11,522 INFO L175 Difference]: Start difference. First operand has 721 places, 731 transitions, 1472 flow. Second operand 3 states and 2285 transitions. [2024-11-12 12:40:11,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 737 transitions, 1536 flow [2024-11-12 12:40:11,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 737 transitions, 1532 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:11,534 INFO L231 Difference]: Finished difference. Result has 721 places, 731 transitions, 1484 flow [2024-11-12 12:40:11,536 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1464, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=726, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1484, PETRI_PLACES=721, PETRI_TRANSITIONS=731} [2024-11-12 12:40:11,536 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -77 predicate places. [2024-11-12 12:40:11,537 INFO L471 AbstractCegarLoop]: Abstraction has has 721 places, 731 transitions, 1484 flow [2024-11-12 12:40:11,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:11,539 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:11,539 INFO L206 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] [2024-11-12 12:40:11,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 12:40:11,539 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:11,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:11,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1712700147, now seen corresponding path program 1 times [2024-11-12 12:40:11,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:11,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994124788] [2024-11-12 12:40:11,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:11,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:11,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:11,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994124788] [2024-11-12 12:40:11,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994124788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:11,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:11,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:11,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516939580] [2024-11-12 12:40:11,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:11,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:11,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:11,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:11,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:11,615 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 748 out of 852 [2024-11-12 12:40:11,618 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 721 places, 731 transitions, 1484 flow. Second operand has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 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) [2024-11-12 12:40:11,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:11,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 748 of 852 [2024-11-12 12:40:11,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:12,017 INFO L124 PetriNetUnfolderBase]: 230/1671 cut-off events. [2024-11-12 12:40:12,018 INFO L125 PetriNetUnfolderBase]: For 136/136 co-relation queries the response was YES. [2024-11-12 12:40:12,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2075 conditions, 1671 events. 230/1671 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 8144 event pairs, 131 based on Foata normal form. 0/1391 useless extension candidates. Maximal degree in co-relation 1443. Up to 310 conditions per place. [2024-11-12 12:40:12,037 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 20 selfloop transitions, 2 changer transitions 0/730 dead transitions. [2024-11-12 12:40:12,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 722 places, 730 transitions, 1526 flow [2024-11-12 12:40:12,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:12,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2266 transitions. [2024-11-12 12:40:12,042 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8865414710485133 [2024-11-12 12:40:12,042 INFO L175 Difference]: Start difference. First operand has 721 places, 731 transitions, 1484 flow. Second operand 3 states and 2266 transitions. [2024-11-12 12:40:12,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 722 places, 730 transitions, 1526 flow [2024-11-12 12:40:12,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 720 places, 730 transitions, 1520 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:12,056 INFO L231 Difference]: Finished difference. Result has 720 places, 730 transitions, 1480 flow [2024-11-12 12:40:12,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1476, PETRI_DIFFERENCE_MINUEND_PLACES=718, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=728, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1480, PETRI_PLACES=720, PETRI_TRANSITIONS=730} [2024-11-12 12:40:12,061 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -78 predicate places. [2024-11-12 12:40:12,061 INFO L471 AbstractCegarLoop]: Abstraction has has 720 places, 730 transitions, 1480 flow [2024-11-12 12:40:12,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 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) [2024-11-12 12:40:12,063 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:12,063 INFO L206 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] [2024-11-12 12:40:12,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 12:40:12,064 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:12,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:12,067 INFO L85 PathProgramCache]: Analyzing trace with hash 140338817, now seen corresponding path program 1 times [2024-11-12 12:40:12,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:12,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342619439] [2024-11-12 12:40:12,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:12,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:12,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:12,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342619439] [2024-11-12 12:40:12,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342619439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:12,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:12,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:12,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256219867] [2024-11-12 12:40:12,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:12,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:12,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:12,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:12,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:12,149 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 852 [2024-11-12 12:40:12,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 720 places, 730 transitions, 1480 flow. Second operand has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 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) [2024-11-12 12:40:12,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:12,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 852 [2024-11-12 12:40:12,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:12,394 INFO L124 PetriNetUnfolderBase]: 70/1098 cut-off events. [2024-11-12 12:40:12,394 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-12 12:40:12,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 1098 events. 70/1098 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 3761 event pairs, 27 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 1148. Up to 86 conditions per place. [2024-11-12 12:40:12,411 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 2 changer transitions 0/729 dead transitions. [2024-11-12 12:40:12,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 721 places, 729 transitions, 1514 flow [2024-11-12 12:40:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:12,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:12,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2274 transitions. [2024-11-12 12:40:12,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8896713615023474 [2024-11-12 12:40:12,442 INFO L175 Difference]: Start difference. First operand has 720 places, 730 transitions, 1480 flow. Second operand 3 states and 2274 transitions. [2024-11-12 12:40:12,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 721 places, 729 transitions, 1514 flow [2024-11-12 12:40:12,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 719 places, 729 transitions, 1510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:12,455 INFO L231 Difference]: Finished difference. Result has 719 places, 729 transitions, 1478 flow [2024-11-12 12:40:12,456 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1474, PETRI_DIFFERENCE_MINUEND_PLACES=717, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=729, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=727, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1478, PETRI_PLACES=719, PETRI_TRANSITIONS=729} [2024-11-12 12:40:12,458 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -79 predicate places. [2024-11-12 12:40:12,458 INFO L471 AbstractCegarLoop]: Abstraction has has 719 places, 729 transitions, 1478 flow [2024-11-12 12:40:12,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 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) [2024-11-12 12:40:12,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:12,463 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:12,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 12:40:12,464 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:12,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:12,465 INFO L85 PathProgramCache]: Analyzing trace with hash -363127821, now seen corresponding path program 1 times [2024-11-12 12:40:12,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:12,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791623] [2024-11-12 12:40:12,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:12,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:12,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:12,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791623] [2024-11-12 12:40:12,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:12,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:12,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:12,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769341812] [2024-11-12 12:40:12,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:12,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:12,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:12,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:12,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:12,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-12 12:40:12,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 719 places, 729 transitions, 1478 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:12,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:12,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-12 12:40:12,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:12,810 INFO L124 PetriNetUnfolderBase]: 110/1240 cut-off events. [2024-11-12 12:40:12,810 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-12 12:40:12,819 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 1240 events. 110/1240 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 4978 event pairs, 53 based on Foata normal form. 0/1048 useless extension candidates. Maximal degree in co-relation 1346. Up to 142 conditions per place. [2024-11-12 12:40:12,826 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/728 dead transitions. [2024-11-12 12:40:12,826 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 720 places, 728 transitions, 1514 flow [2024-11-12 12:40:12,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-12 12:40:12,831 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-12 12:40:12,831 INFO L175 Difference]: Start difference. First operand has 719 places, 729 transitions, 1478 flow. Second operand 3 states and 2272 transitions. [2024-11-12 12:40:12,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 720 places, 728 transitions, 1514 flow [2024-11-12 12:40:12,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 718 places, 728 transitions, 1510 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:12,844 INFO L231 Difference]: Finished difference. Result has 718 places, 728 transitions, 1476 flow [2024-11-12 12:40:12,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1472, PETRI_DIFFERENCE_MINUEND_PLACES=716, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=728, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=726, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1476, PETRI_PLACES=718, PETRI_TRANSITIONS=728} [2024-11-12 12:40:12,848 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -80 predicate places. [2024-11-12 12:40:12,849 INFO L471 AbstractCegarLoop]: Abstraction has has 718 places, 728 transitions, 1476 flow [2024-11-12 12:40:12,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:12,851 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:12,851 INFO L206 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] [2024-11-12 12:40:12,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 12:40:12,852 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:12,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:12,853 INFO L85 PathProgramCache]: Analyzing trace with hash -805091486, now seen corresponding path program 1 times [2024-11-12 12:40:12,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:12,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132975343] [2024-11-12 12:40:12,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:12,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:12,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:12,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:12,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132975343] [2024-11-12 12:40:12,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132975343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:12,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:12,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:12,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762741238] [2024-11-12 12:40:12,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:12,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:12,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:12,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:12,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:12,945 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 747 out of 852 [2024-11-12 12:40:12,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 718 places, 728 transitions, 1476 flow. Second operand has 3 states, 3 states have (on average 748.3333333333334) internal successors, (2245), 3 states have internal predecessors, (2245), 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) [2024-11-12 12:40:12,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:12,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 747 of 852 [2024-11-12 12:40:12,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:13,368 INFO L124 PetriNetUnfolderBase]: 208/1516 cut-off events. [2024-11-12 12:40:13,368 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-12 12:40:13,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1888 conditions, 1516 events. 208/1516 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 7094 event pairs, 129 based on Foata normal form. 0/1231 useless extension candidates. Maximal degree in co-relation 1797. Up to 291 conditions per place. [2024-11-12 12:40:13,387 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 21 selfloop transitions, 2 changer transitions 0/727 dead transitions. [2024-11-12 12:40:13,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 719 places, 727 transitions, 1520 flow [2024-11-12 12:40:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2264 transitions. [2024-11-12 12:40:13,394 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8857589984350548 [2024-11-12 12:40:13,394 INFO L175 Difference]: Start difference. First operand has 718 places, 728 transitions, 1476 flow. Second operand 3 states and 2264 transitions. [2024-11-12 12:40:13,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 719 places, 727 transitions, 1520 flow [2024-11-12 12:40:13,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 717 places, 727 transitions, 1516 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:13,409 INFO L231 Difference]: Finished difference. Result has 717 places, 727 transitions, 1474 flow [2024-11-12 12:40:13,411 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=715, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=727, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=725, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=717, PETRI_TRANSITIONS=727} [2024-11-12 12:40:13,412 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -81 predicate places. [2024-11-12 12:40:13,412 INFO L471 AbstractCegarLoop]: Abstraction has has 717 places, 727 transitions, 1474 flow [2024-11-12 12:40:13,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 748.3333333333334) internal successors, (2245), 3 states have internal predecessors, (2245), 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) [2024-11-12 12:40:13,414 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:13,414 INFO L206 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] [2024-11-12 12:40:13,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 12:40:13,414 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:13,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:13,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1248222832, now seen corresponding path program 1 times [2024-11-12 12:40:13,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:13,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373790417] [2024-11-12 12:40:13,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:13,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:13,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:13,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373790417] [2024-11-12 12:40:13,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373790417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:13,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:13,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:13,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825714599] [2024-11-12 12:40:13,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:13,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:13,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:13,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:13,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:13,503 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 748 out of 852 [2024-11-12 12:40:13,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 717 places, 727 transitions, 1474 flow. Second operand has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 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) [2024-11-12 12:40:13,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:13,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 748 of 852 [2024-11-12 12:40:13,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:13,791 INFO L124 PetriNetUnfolderBase]: 110/1238 cut-off events. [2024-11-12 12:40:13,791 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-12 12:40:13,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1430 conditions, 1238 events. 110/1238 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4888 event pairs, 53 based on Foata normal form. 0/1053 useless extension candidates. Maximal degree in co-relation 1331. Up to 145 conditions per place. [2024-11-12 12:40:13,806 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 20 selfloop transitions, 2 changer transitions 0/726 dead transitions. [2024-11-12 12:40:13,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 718 places, 726 transitions, 1516 flow [2024-11-12 12:40:13,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:13,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2266 transitions. [2024-11-12 12:40:13,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8865414710485133 [2024-11-12 12:40:13,812 INFO L175 Difference]: Start difference. First operand has 717 places, 727 transitions, 1474 flow. Second operand 3 states and 2266 transitions. [2024-11-12 12:40:13,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 718 places, 726 transitions, 1516 flow [2024-11-12 12:40:13,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 716 places, 726 transitions, 1512 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:13,849 INFO L231 Difference]: Finished difference. Result has 716 places, 726 transitions, 1472 flow [2024-11-12 12:40:13,850 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1468, PETRI_DIFFERENCE_MINUEND_PLACES=714, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=726, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=724, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1472, PETRI_PLACES=716, PETRI_TRANSITIONS=726} [2024-11-12 12:40:13,851 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -82 predicate places. [2024-11-12 12:40:13,851 INFO L471 AbstractCegarLoop]: Abstraction has has 716 places, 726 transitions, 1472 flow [2024-11-12 12:40:13,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 749.3333333333334) internal successors, (2248), 3 states have internal predecessors, (2248), 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) [2024-11-12 12:40:13,852 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:13,853 INFO L206 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] [2024-11-12 12:40:13,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 12:40:13,853 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:13,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:13,854 INFO L85 PathProgramCache]: Analyzing trace with hash -808374088, now seen corresponding path program 1 times [2024-11-12 12:40:13,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:13,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251788794] [2024-11-12 12:40:13,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:13,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:13,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251788794] [2024-11-12 12:40:13,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251788794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:13,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:13,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:13,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888967770] [2024-11-12 12:40:13,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:13,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:13,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:13,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:13,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:13,913 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-12 12:40:13,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 716 places, 726 transitions, 1472 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:13,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:13,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-12 12:40:13,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:14,141 INFO L124 PetriNetUnfolderBase]: 110/1237 cut-off events. [2024-11-12 12:40:14,142 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-12 12:40:14,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1426 conditions, 1237 events. 110/1237 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 4832 event pairs, 53 based on Foata normal form. 0/1045 useless extension candidates. Maximal degree in co-relation 1319. Up to 142 conditions per place. [2024-11-12 12:40:14,158 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/725 dead transitions. [2024-11-12 12:40:14,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 717 places, 725 transitions, 1508 flow [2024-11-12 12:40:14,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:14,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-12 12:40:14,164 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-12 12:40:14,164 INFO L175 Difference]: Start difference. First operand has 716 places, 726 transitions, 1472 flow. Second operand 3 states and 2272 transitions. [2024-11-12 12:40:14,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 717 places, 725 transitions, 1508 flow [2024-11-12 12:40:14,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 715 places, 725 transitions, 1504 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:14,176 INFO L231 Difference]: Finished difference. Result has 715 places, 725 transitions, 1470 flow [2024-11-12 12:40:14,177 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1466, PETRI_DIFFERENCE_MINUEND_PLACES=713, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=725, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=723, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1470, PETRI_PLACES=715, PETRI_TRANSITIONS=725} [2024-11-12 12:40:14,179 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -83 predicate places. [2024-11-12 12:40:14,179 INFO L471 AbstractCegarLoop]: Abstraction has has 715 places, 725 transitions, 1470 flow [2024-11-12 12:40:14,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:14,181 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:14,181 INFO L206 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] [2024-11-12 12:40:14,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 12:40:14,182 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:14,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:14,183 INFO L85 PathProgramCache]: Analyzing trace with hash 848015721, now seen corresponding path program 1 times [2024-11-12 12:40:14,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:14,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846400421] [2024-11-12 12:40:14,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:14,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:14,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846400421] [2024-11-12 12:40:14,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846400421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:14,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:14,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:14,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440899985] [2024-11-12 12:40:14,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:14,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:14,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:14,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:14,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:14,240 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-12 12:40:14,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 715 places, 725 transitions, 1470 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:14,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:14,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-12 12:40:14,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:15,187 INFO L124 PetriNetUnfolderBase]: 252/4879 cut-off events. [2024-11-12 12:40:15,187 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-12 12:40:15,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5148 conditions, 4879 events. 252/4879 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 35872 event pairs, 79 based on Foata normal form. 0/3903 useless extension candidates. Maximal degree in co-relation 5033. Up to 214 conditions per place. [2024-11-12 12:40:15,240 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 1 changer transitions 0/723 dead transitions. [2024-11-12 12:40:15,240 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 715 places, 723 transitions, 1500 flow [2024-11-12 12:40:15,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2277 transitions. [2024-11-12 12:40:15,245 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8908450704225352 [2024-11-12 12:40:15,245 INFO L175 Difference]: Start difference. First operand has 715 places, 725 transitions, 1470 flow. Second operand 3 states and 2277 transitions. [2024-11-12 12:40:15,246 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 715 places, 723 transitions, 1500 flow [2024-11-12 12:40:15,251 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 723 transitions, 1496 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:15,257 INFO L231 Difference]: Finished difference. Result has 713 places, 723 transitions, 1464 flow [2024-11-12 12:40:15,258 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=711, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=723, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=722, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1464, PETRI_PLACES=713, PETRI_TRANSITIONS=723} [2024-11-12 12:40:15,260 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -85 predicate places. [2024-11-12 12:40:15,260 INFO L471 AbstractCegarLoop]: Abstraction has has 713 places, 723 transitions, 1464 flow [2024-11-12 12:40:15,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:15,262 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:15,262 INFO L206 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] [2024-11-12 12:40:15,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 12:40:15,262 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:15,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:15,263 INFO L85 PathProgramCache]: Analyzing trace with hash 2104301585, now seen corresponding path program 1 times [2024-11-12 12:40:15,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:15,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415199449] [2024-11-12 12:40:15,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:15,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:15,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:15,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415199449] [2024-11-12 12:40:15,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415199449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:15,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:15,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:40:15,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566850884] [2024-11-12 12:40:15,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:15,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:40:15,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:15,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:40:15,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:40:16,231 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 670 out of 852 [2024-11-12 12:40:16,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 713 places, 723 transitions, 1464 flow. Second operand has 6 states, 6 states have (on average 671.5) internal successors, (4029), 6 states have internal predecessors, (4029), 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) [2024-11-12 12:40:16,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:16,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 670 of 852 [2024-11-12 12:40:16,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:18,461 INFO L124 PetriNetUnfolderBase]: 2081/10266 cut-off events. [2024-11-12 12:40:18,462 INFO L125 PetriNetUnfolderBase]: For 690/690 co-relation queries the response was YES. [2024-11-12 12:40:18,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13600 conditions, 10266 events. 2081/10266 cut-off events. For 690/690 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 91800 event pairs, 1421 based on Foata normal form. 0/8441 useless extension candidates. Maximal degree in co-relation 13486. Up to 2842 conditions per place. [2024-11-12 12:40:18,524 INFO L140 encePairwiseOnDemand]: 828/852 looper letters, 78 selfloop transitions, 20 changer transitions 0/719 dead transitions. [2024-11-12 12:40:18,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 719 transitions, 1652 flow [2024-11-12 12:40:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:40:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:40:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4121 transitions. [2024-11-12 12:40:18,533 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8061424100156495 [2024-11-12 12:40:18,533 INFO L175 Difference]: Start difference. First operand has 713 places, 723 transitions, 1464 flow. Second operand 6 states and 4121 transitions. [2024-11-12 12:40:18,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 719 transitions, 1652 flow [2024-11-12 12:40:18,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 713 places, 719 transitions, 1651 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:18,544 INFO L231 Difference]: Finished difference. Result has 713 places, 719 transitions, 1495 flow [2024-11-12 12:40:18,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1455, PETRI_DIFFERENCE_MINUEND_PLACES=708, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=719, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1495, PETRI_PLACES=713, PETRI_TRANSITIONS=719} [2024-11-12 12:40:18,546 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -85 predicate places. [2024-11-12 12:40:18,546 INFO L471 AbstractCegarLoop]: Abstraction has has 713 places, 719 transitions, 1495 flow [2024-11-12 12:40:18,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 671.5) internal successors, (4029), 6 states have internal predecessors, (4029), 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) [2024-11-12 12:40:18,552 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:18,552 INFO L206 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] [2024-11-12 12:40:18,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 12:40:18,552 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:18,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:18,553 INFO L85 PathProgramCache]: Analyzing trace with hash 446710845, now seen corresponding path program 1 times [2024-11-12 12:40:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:18,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656456545] [2024-11-12 12:40:18,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:18,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:18,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:18,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656456545] [2024-11-12 12:40:18,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656456545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:18,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:18,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:18,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769621042] [2024-11-12 12:40:18,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:18,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:18,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:18,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:18,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:18,627 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 750 out of 852 [2024-11-12 12:40:18,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 713 places, 719 transitions, 1495 flow. Second operand has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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) [2024-11-12 12:40:18,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:18,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 750 of 852 [2024-11-12 12:40:18,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:18,924 INFO L124 PetriNetUnfolderBase]: 190/1516 cut-off events. [2024-11-12 12:40:18,924 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-11-12 12:40:18,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1851 conditions, 1516 events. 190/1516 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 7149 event pairs, 105 based on Foata normal form. 0/1266 useless extension candidates. Maximal degree in co-relation 1787. Up to 253 conditions per place. [2024-11-12 12:40:18,941 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 18 selfloop transitions, 2 changer transitions 0/718 dead transitions. [2024-11-12 12:40:18,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 714 places, 718 transitions, 1533 flow [2024-11-12 12:40:18,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:18,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:18,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2270 transitions. [2024-11-12 12:40:18,946 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8881064162754304 [2024-11-12 12:40:18,946 INFO L175 Difference]: Start difference. First operand has 713 places, 719 transitions, 1495 flow. Second operand 3 states and 2270 transitions. [2024-11-12 12:40:18,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 714 places, 718 transitions, 1533 flow [2024-11-12 12:40:18,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 709 places, 718 transitions, 1493 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:40:18,958 INFO L231 Difference]: Finished difference. Result has 709 places, 718 transitions, 1457 flow [2024-11-12 12:40:18,960 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1453, PETRI_DIFFERENCE_MINUEND_PLACES=707, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=718, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=716, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1457, PETRI_PLACES=709, PETRI_TRANSITIONS=718} [2024-11-12 12:40:18,961 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -89 predicate places. [2024-11-12 12:40:18,961 INFO L471 AbstractCegarLoop]: Abstraction has has 709 places, 718 transitions, 1457 flow [2024-11-12 12:40:18,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 751.3333333333334) internal successors, (2254), 3 states have internal predecessors, (2254), 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) [2024-11-12 12:40:18,962 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:18,962 INFO L206 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] [2024-11-12 12:40:18,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 12:40:18,962 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:18,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:18,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1866721520, now seen corresponding path program 1 times [2024-11-12 12:40:18,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:18,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401057098] [2024-11-12 12:40:18,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:18,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:19,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:19,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:19,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401057098] [2024-11-12 12:40:19,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401057098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:19,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:19,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:19,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811699144] [2024-11-12 12:40:19,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:19,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:19,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:19,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:19,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:19,040 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 741 out of 852 [2024-11-12 12:40:19,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 709 places, 718 transitions, 1457 flow. Second operand has 3 states, 3 states have (on average 742.0) internal successors, (2226), 3 states have internal predecessors, (2226), 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) [2024-11-12 12:40:19,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:19,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 741 of 852 [2024-11-12 12:40:19,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:20,862 INFO L124 PetriNetUnfolderBase]: 681/9111 cut-off events. [2024-11-12 12:40:20,863 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-12 12:40:20,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9940 conditions, 9111 events. 681/9111 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 83806 event pairs, 287 based on Foata normal form. 0/7285 useless extension candidates. Maximal degree in co-relation 9825. Up to 689 conditions per place. [2024-11-12 12:40:20,912 INFO L140 encePairwiseOnDemand]: 845/852 looper letters, 24 selfloop transitions, 1 changer transitions 0/712 dead transitions. [2024-11-12 12:40:20,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 705 places, 712 transitions, 1495 flow [2024-11-12 12:40:20,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:20,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:20,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2253 transitions. [2024-11-12 12:40:20,917 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8814553990610329 [2024-11-12 12:40:20,917 INFO L175 Difference]: Start difference. First operand has 709 places, 718 transitions, 1457 flow. Second operand 3 states and 2253 transitions. [2024-11-12 12:40:20,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 705 places, 712 transitions, 1495 flow [2024-11-12 12:40:20,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 712 transitions, 1491 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:20,928 INFO L231 Difference]: Finished difference. Result has 703 places, 712 transitions, 1443 flow [2024-11-12 12:40:20,929 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1441, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1443, PETRI_PLACES=703, PETRI_TRANSITIONS=712} [2024-11-12 12:40:20,930 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -95 predicate places. [2024-11-12 12:40:20,930 INFO L471 AbstractCegarLoop]: Abstraction has has 703 places, 712 transitions, 1443 flow [2024-11-12 12:40:20,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 742.0) internal successors, (2226), 3 states have internal predecessors, (2226), 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) [2024-11-12 12:40:20,931 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:20,931 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:20,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 12:40:20,931 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:20,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:20,932 INFO L85 PathProgramCache]: Analyzing trace with hash 780127852, now seen corresponding path program 1 times [2024-11-12 12:40:20,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:20,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981540089] [2024-11-12 12:40:20,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:20,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:20,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:20,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981540089] [2024-11-12 12:40:20,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981540089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:20,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:20,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:20,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061045019] [2024-11-12 12:40:20,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:20,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:20,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:20,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:20,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:21,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-12 12:40:21,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 712 transitions, 1443 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:21,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:21,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-12 12:40:21,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:21,353 INFO L124 PetriNetUnfolderBase]: 131/1261 cut-off events. [2024-11-12 12:40:21,353 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-12 12:40:21,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1494 conditions, 1261 events. 131/1261 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 5006 event pairs, 71 based on Foata normal form. 0/1076 useless extension candidates. Maximal degree in co-relation 1379. Up to 175 conditions per place. [2024-11-12 12:40:21,364 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/711 dead transitions. [2024-11-12 12:40:21,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 711 transitions, 1479 flow [2024-11-12 12:40:21,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-12 12:40:21,369 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-12 12:40:21,369 INFO L175 Difference]: Start difference. First operand has 703 places, 712 transitions, 1443 flow. Second operand 3 states and 2272 transitions. [2024-11-12 12:40:21,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 711 transitions, 1479 flow [2024-11-12 12:40:21,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 703 places, 711 transitions, 1478 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:21,379 INFO L231 Difference]: Finished difference. Result has 703 places, 711 transitions, 1444 flow [2024-11-12 12:40:21,380 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1440, PETRI_DIFFERENCE_MINUEND_PLACES=701, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=711, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1444, PETRI_PLACES=703, PETRI_TRANSITIONS=711} [2024-11-12 12:40:21,381 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -95 predicate places. [2024-11-12 12:40:21,381 INFO L471 AbstractCegarLoop]: Abstraction has has 703 places, 711 transitions, 1444 flow [2024-11-12 12:40:21,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:21,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:21,382 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:21,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 12:40:21,382 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:21,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:21,383 INFO L85 PathProgramCache]: Analyzing trace with hash 936091404, now seen corresponding path program 1 times [2024-11-12 12:40:21,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:21,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507281817] [2024-11-12 12:40:21,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:21,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:21,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:21,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:21,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507281817] [2024-11-12 12:40:21,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507281817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:21,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:21,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:21,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924223324] [2024-11-12 12:40:21,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:21,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:21,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:21,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:21,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:21,455 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 756 out of 852 [2024-11-12 12:40:21,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 703 places, 711 transitions, 1444 flow. Second operand has 3 states, 3 states have (on average 757.0) internal successors, (2271), 3 states have internal predecessors, (2271), 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) [2024-11-12 12:40:21,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:21,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 756 of 852 [2024-11-12 12:40:21,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:21,648 INFO L124 PetriNetUnfolderBase]: 70/1071 cut-off events. [2024-11-12 12:40:21,648 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-12 12:40:21,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 1071 events. 70/1071 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3634 event pairs, 27 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 1080. Up to 83 conditions per place. [2024-11-12 12:40:21,660 INFO L140 encePairwiseOnDemand]: 850/852 looper letters, 14 selfloop transitions, 1 changer transitions 0/710 dead transitions. [2024-11-12 12:40:21,660 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 704 places, 710 transitions, 1472 flow [2024-11-12 12:40:21,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:21,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2283 transitions. [2024-11-12 12:40:21,664 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8931924882629108 [2024-11-12 12:40:21,665 INFO L175 Difference]: Start difference. First operand has 703 places, 711 transitions, 1444 flow. Second operand 3 states and 2283 transitions. [2024-11-12 12:40:21,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 704 places, 710 transitions, 1472 flow [2024-11-12 12:40:21,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 702 places, 710 transitions, 1468 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:21,675 INFO L231 Difference]: Finished difference. Result has 702 places, 710 transitions, 1440 flow [2024-11-12 12:40:21,677 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1438, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=710, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=709, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1440, PETRI_PLACES=702, PETRI_TRANSITIONS=710} [2024-11-12 12:40:21,677 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -96 predicate places. [2024-11-12 12:40:21,677 INFO L471 AbstractCegarLoop]: Abstraction has has 702 places, 710 transitions, 1440 flow [2024-11-12 12:40:21,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 757.0) internal successors, (2271), 3 states have internal predecessors, (2271), 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) [2024-11-12 12:40:21,678 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:21,678 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:21,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 12:40:21,678 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:21,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:21,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1148610698, now seen corresponding path program 1 times [2024-11-12 12:40:21,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:21,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18349369] [2024-11-12 12:40:21,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:21,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:21,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:21,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18349369] [2024-11-12 12:40:21,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18349369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:21,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:21,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:21,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063940484] [2024-11-12 12:40:21,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:21,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:21,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:21,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:21,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:21,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-12 12:40:21,748 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 710 transitions, 1440 flow. Second operand has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 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) [2024-11-12 12:40:21,748 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:21,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-12 12:40:21,749 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:21,961 INFO L124 PetriNetUnfolderBase]: 70/1070 cut-off events. [2024-11-12 12:40:21,962 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-12 12:40:21,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 1070 events. 70/1070 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3624 event pairs, 27 based on Foata normal form. 0/941 useless extension candidates. Maximal degree in co-relation 1080. Up to 85 conditions per place. [2024-11-12 12:40:21,976 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 15 selfloop transitions, 2 changer transitions 0/709 dead transitions. [2024-11-12 12:40:21,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 709 transitions, 1472 flow [2024-11-12 12:40:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:21,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2276 transitions. [2024-11-12 12:40:21,981 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8904538341158059 [2024-11-12 12:40:21,981 INFO L175 Difference]: Start difference. First operand has 702 places, 710 transitions, 1440 flow. Second operand 3 states and 2276 transitions. [2024-11-12 12:40:21,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 709 transitions, 1472 flow [2024-11-12 12:40:21,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 702 places, 709 transitions, 1471 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:21,991 INFO L231 Difference]: Finished difference. Result has 702 places, 709 transitions, 1441 flow [2024-11-12 12:40:21,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1437, PETRI_DIFFERENCE_MINUEND_PLACES=700, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=709, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=707, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1441, PETRI_PLACES=702, PETRI_TRANSITIONS=709} [2024-11-12 12:40:21,994 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -96 predicate places. [2024-11-12 12:40:21,994 INFO L471 AbstractCegarLoop]: Abstraction has has 702 places, 709 transitions, 1441 flow [2024-11-12 12:40:21,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.3333333333334) internal successors, (2263), 3 states have internal predecessors, (2263), 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) [2024-11-12 12:40:21,995 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:21,995 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:21,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 12:40:21,995 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:21,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:21,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1102053112, now seen corresponding path program 1 times [2024-11-12 12:40:21,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:21,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746520629] [2024-11-12 12:40:21,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:21,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:22,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:22,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746520629] [2024-11-12 12:40:22,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746520629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:22,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:22,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:22,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294040046] [2024-11-12 12:40:22,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:22,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:22,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:22,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:22,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:22,423 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 700 out of 852 [2024-11-12 12:40:22,425 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 702 places, 709 transitions, 1441 flow. Second operand has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 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) [2024-11-12 12:40:22,425 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:22,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 700 of 852 [2024-11-12 12:40:22,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:24,423 INFO L124 PetriNetUnfolderBase]: 2081/10172 cut-off events. [2024-11-12 12:40:24,424 INFO L125 PetriNetUnfolderBase]: For 690/690 co-relation queries the response was YES. [2024-11-12 12:40:24,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13483 conditions, 10172 events. 2081/10172 cut-off events. For 690/690 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 90966 event pairs, 1421 based on Foata normal form. 0/8441 useless extension candidates. Maximal degree in co-relation 13369. Up to 2833 conditions per place. [2024-11-12 12:40:24,489 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 69 selfloop transitions, 2 changer transitions 0/708 dead transitions. [2024-11-12 12:40:24,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 703 places, 708 transitions, 1581 flow [2024-11-12 12:40:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2171 transitions. [2024-11-12 12:40:24,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8493740219092332 [2024-11-12 12:40:24,493 INFO L175 Difference]: Start difference. First operand has 702 places, 709 transitions, 1441 flow. Second operand 3 states and 2171 transitions. [2024-11-12 12:40:24,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 703 places, 708 transitions, 1581 flow [2024-11-12 12:40:24,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 701 places, 708 transitions, 1577 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:24,505 INFO L231 Difference]: Finished difference. Result has 701 places, 708 transitions, 1439 flow [2024-11-12 12:40:24,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=699, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=708, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=706, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1439, PETRI_PLACES=701, PETRI_TRANSITIONS=708} [2024-11-12 12:40:24,506 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -97 predicate places. [2024-11-12 12:40:24,506 INFO L471 AbstractCegarLoop]: Abstraction has has 701 places, 708 transitions, 1439 flow [2024-11-12 12:40:24,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 702.0) internal successors, (2106), 3 states have internal predecessors, (2106), 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) [2024-11-12 12:40:24,507 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:24,508 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:24,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-12 12:40:24,508 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:24,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:24,509 INFO L85 PathProgramCache]: Analyzing trace with hash -937500694, now seen corresponding path program 1 times [2024-11-12 12:40:24,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:24,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999873388] [2024-11-12 12:40:24,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:24,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:24,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:24,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:24,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999873388] [2024-11-12 12:40:24,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999873388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:24,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:24,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:24,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089104543] [2024-11-12 12:40:24,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:24,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:24,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:24,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:24,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:24,586 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 852 [2024-11-12 12:40:24,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 701 places, 708 transitions, 1439 flow. Second operand has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 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) [2024-11-12 12:40:24,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:24,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 852 [2024-11-12 12:40:24,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:24,839 INFO L124 PetriNetUnfolderBase]: 110/1209 cut-off events. [2024-11-12 12:40:24,840 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-12 12:40:24,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1400 conditions, 1209 events. 110/1209 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4421 event pairs, 53 based on Foata normal form. 0/1044 useless extension candidates. Maximal degree in co-relation 1387. Up to 141 conditions per place. [2024-11-12 12:40:24,854 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 16 selfloop transitions, 2 changer transitions 0/707 dead transitions. [2024-11-12 12:40:24,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 702 places, 707 transitions, 1473 flow [2024-11-12 12:40:24,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2274 transitions. [2024-11-12 12:40:24,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8896713615023474 [2024-11-12 12:40:24,859 INFO L175 Difference]: Start difference. First operand has 701 places, 708 transitions, 1439 flow. Second operand 3 states and 2274 transitions. [2024-11-12 12:40:24,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 702 places, 707 transitions, 1473 flow [2024-11-12 12:40:24,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 700 places, 707 transitions, 1469 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:24,875 INFO L231 Difference]: Finished difference. Result has 700 places, 707 transitions, 1437 flow [2024-11-12 12:40:24,876 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1433, PETRI_DIFFERENCE_MINUEND_PLACES=698, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=707, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=705, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1437, PETRI_PLACES=700, PETRI_TRANSITIONS=707} [2024-11-12 12:40:24,877 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -98 predicate places. [2024-11-12 12:40:24,877 INFO L471 AbstractCegarLoop]: Abstraction has has 700 places, 707 transitions, 1437 flow [2024-11-12 12:40:24,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 753.3333333333334) internal successors, (2260), 3 states have internal predecessors, (2260), 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) [2024-11-12 12:40:24,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:24,878 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:24,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-12 12:40:24,878 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:24,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash -509341640, now seen corresponding path program 1 times [2024-11-12 12:40:24,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:24,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044807047] [2024-11-12 12:40:24,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:24,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:25,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:25,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044807047] [2024-11-12 12:40:25,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044807047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:25,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:25,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:25,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722340323] [2024-11-12 12:40:25,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:25,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:25,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:25,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:25,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:25,073 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 744 out of 852 [2024-11-12 12:40:25,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 700 places, 707 transitions, 1437 flow. Second operand has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 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) [2024-11-12 12:40:25,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:25,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 744 of 852 [2024-11-12 12:40:25,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:25,964 INFO L124 PetriNetUnfolderBase]: 252/4797 cut-off events. [2024-11-12 12:40:25,964 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-12 12:40:25,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5075 conditions, 4797 events. 252/4797 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 35619 event pairs, 79 based on Foata normal form. 0/3908 useless extension candidates. Maximal degree in co-relation 4960. Up to 220 conditions per place. [2024-11-12 12:40:26,112 INFO L140 encePairwiseOnDemand]: 846/852 looper letters, 22 selfloop transitions, 1 changer transitions 0/702 dead transitions. [2024-11-12 12:40:26,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 697 places, 702 transitions, 1473 flow [2024-11-12 12:40:26,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2259 transitions. [2024-11-12 12:40:26,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8838028169014085 [2024-11-12 12:40:26,117 INFO L175 Difference]: Start difference. First operand has 700 places, 707 transitions, 1437 flow. Second operand 3 states and 2259 transitions. [2024-11-12 12:40:26,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 697 places, 702 transitions, 1473 flow [2024-11-12 12:40:26,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 702 transitions, 1469 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:26,126 INFO L231 Difference]: Finished difference. Result has 695 places, 702 transitions, 1425 flow [2024-11-12 12:40:26,127 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1423, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1425, PETRI_PLACES=695, PETRI_TRANSITIONS=702} [2024-11-12 12:40:26,127 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -103 predicate places. [2024-11-12 12:40:26,128 INFO L471 AbstractCegarLoop]: Abstraction has has 695 places, 702 transitions, 1425 flow [2024-11-12 12:40:26,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 745.0) internal successors, (2235), 3 states have internal predecessors, (2235), 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) [2024-11-12 12:40:26,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:26,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:26,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-12 12:40:26,129 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:26,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:26,130 INFO L85 PathProgramCache]: Analyzing trace with hash 931055478, now seen corresponding path program 1 times [2024-11-12 12:40:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:26,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42953509] [2024-11-12 12:40:26,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:26,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:26,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42953509] [2024-11-12 12:40:26,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42953509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:26,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:26,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:26,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111847029] [2024-11-12 12:40:26,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:26,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:26,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:26,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:26,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:26,209 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 751 out of 852 [2024-11-12 12:40:26,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 702 transitions, 1425 flow. Second operand has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:26,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:26,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 751 of 852 [2024-11-12 12:40:26,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:26,397 INFO L124 PetriNetUnfolderBase]: 110/1203 cut-off events. [2024-11-12 12:40:26,397 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-12 12:40:26,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1394 conditions, 1203 events. 110/1203 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4633 event pairs, 53 based on Foata normal form. 0/1046 useless extension candidates. Maximal degree in co-relation 1279. Up to 142 conditions per place. [2024-11-12 12:40:26,408 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 17 selfloop transitions, 2 changer transitions 0/701 dead transitions. [2024-11-12 12:40:26,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 701 transitions, 1461 flow [2024-11-12 12:40:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:26,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2272 transitions. [2024-11-12 12:40:26,411 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-12 12:40:26,411 INFO L175 Difference]: Start difference. First operand has 695 places, 702 transitions, 1425 flow. Second operand 3 states and 2272 transitions. [2024-11-12 12:40:26,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 701 transitions, 1461 flow [2024-11-12 12:40:26,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 695 places, 701 transitions, 1460 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:26,418 INFO L231 Difference]: Finished difference. Result has 695 places, 701 transitions, 1426 flow [2024-11-12 12:40:26,418 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1422, PETRI_DIFFERENCE_MINUEND_PLACES=693, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1426, PETRI_PLACES=695, PETRI_TRANSITIONS=701} [2024-11-12 12:40:26,419 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -103 predicate places. [2024-11-12 12:40:26,419 INFO L471 AbstractCegarLoop]: Abstraction has has 695 places, 701 transitions, 1426 flow [2024-11-12 12:40:26,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.3333333333334) internal successors, (2257), 3 states have internal predecessors, (2257), 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) [2024-11-12 12:40:26,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:26,420 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:26,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-12 12:40:26,421 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:26,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:26,422 INFO L85 PathProgramCache]: Analyzing trace with hash -1282613414, now seen corresponding path program 1 times [2024-11-12 12:40:26,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:26,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173973185] [2024-11-12 12:40:26,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:26,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:26,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:26,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:26,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173973185] [2024-11-12 12:40:26,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173973185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:26,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:26,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:26,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782430555] [2024-11-12 12:40:26,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:26,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:26,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:26,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:26,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:26,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-12 12:40:26,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 701 transitions, 1426 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:26,508 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:26,508 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-12 12:40:26,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:27,183 INFO L124 PetriNetUnfolderBase]: 293/5079 cut-off events. [2024-11-12 12:40:27,184 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-12 12:40:27,205 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5418 conditions, 5079 events. 293/5079 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 37540 event pairs, 40 based on Foata normal form. 0/4168 useless extension candidates. Maximal degree in co-relation 5304. Up to 227 conditions per place. [2024-11-12 12:40:27,216 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 26 selfloop transitions, 3 changer transitions 0/711 dead transitions. [2024-11-12 12:40:27,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 711 transitions, 1512 flow [2024-11-12 12:40:27,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:27,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2289 transitions. [2024-11-12 12:40:27,220 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955399061032864 [2024-11-12 12:40:27,220 INFO L175 Difference]: Start difference. First operand has 695 places, 701 transitions, 1426 flow. Second operand 3 states and 2289 transitions. [2024-11-12 12:40:27,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 711 transitions, 1512 flow [2024-11-12 12:40:27,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 711 transitions, 1508 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:27,229 INFO L231 Difference]: Finished difference. Result has 694 places, 702 transitions, 1441 flow [2024-11-12 12:40:27,230 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1418, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1441, PETRI_PLACES=694, PETRI_TRANSITIONS=702} [2024-11-12 12:40:27,230 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -104 predicate places. [2024-11-12 12:40:27,231 INFO L471 AbstractCegarLoop]: Abstraction has has 694 places, 702 transitions, 1441 flow [2024-11-12 12:40:27,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:27,232 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:27,232 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:27,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-12 12:40:27,232 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:27,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:27,233 INFO L85 PathProgramCache]: Analyzing trace with hash 64197744, now seen corresponding path program 1 times [2024-11-12 12:40:27,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:27,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417171139] [2024-11-12 12:40:27,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:27,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:27,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:27,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417171139] [2024-11-12 12:40:27,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417171139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:27,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:27,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:27,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305991365] [2024-11-12 12:40:27,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:27,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:27,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:27,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:27,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:27,306 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-12 12:40:27,308 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 694 places, 702 transitions, 1441 flow. Second operand has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:27,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:27,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-12 12:40:27,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:28,088 INFO L124 PetriNetUnfolderBase]: 364/5532 cut-off events. [2024-11-12 12:40:28,088 INFO L125 PetriNetUnfolderBase]: For 183/225 co-relation queries the response was YES. [2024-11-12 12:40:28,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6060 conditions, 5532 events. 364/5532 cut-off events. For 183/225 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 41791 event pairs, 54 based on Foata normal form. 0/4547 useless extension candidates. Maximal degree in co-relation 5945. Up to 301 conditions per place. [2024-11-12 12:40:28,133 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 27 selfloop transitions, 4 changer transitions 0/713 dead transitions. [2024-11-12 12:40:28,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 713 transitions, 1540 flow [2024-11-12 12:40:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2289 transitions. [2024-11-12 12:40:28,137 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8955399061032864 [2024-11-12 12:40:28,137 INFO L175 Difference]: Start difference. First operand has 694 places, 702 transitions, 1441 flow. Second operand 3 states and 2289 transitions. [2024-11-12 12:40:28,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 713 transitions, 1540 flow [2024-11-12 12:40:28,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 694 places, 713 transitions, 1540 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:40:28,145 INFO L231 Difference]: Finished difference. Result has 695 places, 704 transitions, 1474 flow [2024-11-12 12:40:28,146 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1437, PETRI_DIFFERENCE_MINUEND_PLACES=692, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=695, PETRI_TRANSITIONS=704} [2024-11-12 12:40:28,147 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -103 predicate places. [2024-11-12 12:40:28,147 INFO L471 AbstractCegarLoop]: Abstraction has has 695 places, 704 transitions, 1474 flow [2024-11-12 12:40:28,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.0) internal successors, (2262), 3 states have internal predecessors, (2262), 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) [2024-11-12 12:40:28,148 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:28,148 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:28,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-12 12:40:28,148 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:28,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:28,149 INFO L85 PathProgramCache]: Analyzing trace with hash 979804945, now seen corresponding path program 1 times [2024-11-12 12:40:28,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:28,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655009736] [2024-11-12 12:40:28,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:28,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:28,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:28,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:28,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655009736] [2024-11-12 12:40:28,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655009736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:28,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:28,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:28,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080469502] [2024-11-12 12:40:28,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:28,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:28,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:28,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:28,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:28,220 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 757 out of 852 [2024-11-12 12:40:28,222 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 695 places, 704 transitions, 1474 flow. Second operand has 3 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 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) [2024-11-12 12:40:28,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:28,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 757 of 852 [2024-11-12 12:40:28,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:29,161 INFO L124 PetriNetUnfolderBase]: 281/4298 cut-off events. [2024-11-12 12:40:29,161 INFO L125 PetriNetUnfolderBase]: For 423/677 co-relation queries the response was YES. [2024-11-12 12:40:29,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4916 conditions, 4298 events. 281/4298 cut-off events. For 423/677 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 29284 event pairs, 46 based on Foata normal form. 1/3573 useless extension candidates. Maximal degree in co-relation 4801. Up to 227 conditions per place. [2024-11-12 12:40:29,210 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 23 selfloop transitions, 4 changer transitions 0/713 dead transitions. [2024-11-12 12:40:29,210 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 696 places, 713 transitions, 1578 flow [2024-11-12 12:40:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:29,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2291 transitions. [2024-11-12 12:40:29,215 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8963223787167449 [2024-11-12 12:40:29,215 INFO L175 Difference]: Start difference. First operand has 695 places, 704 transitions, 1474 flow. Second operand 3 states and 2291 transitions. [2024-11-12 12:40:29,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 696 places, 713 transitions, 1578 flow [2024-11-12 12:40:29,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 696 places, 713 transitions, 1578 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:40:29,225 INFO L231 Difference]: Finished difference. Result has 697 places, 706 transitions, 1496 flow [2024-11-12 12:40:29,226 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1472, PETRI_DIFFERENCE_MINUEND_PLACES=694, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1496, PETRI_PLACES=697, PETRI_TRANSITIONS=706} [2024-11-12 12:40:29,226 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -101 predicate places. [2024-11-12 12:40:29,227 INFO L471 AbstractCegarLoop]: Abstraction has has 697 places, 706 transitions, 1496 flow [2024-11-12 12:40:29,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 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) [2024-11-12 12:40:29,227 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:29,228 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:29,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-12 12:40:29,228 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting thread3Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:29,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:29,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1531507649, now seen corresponding path program 1 times [2024-11-12 12:40:29,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:29,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160859594] [2024-11-12 12:40:29,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:29,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:29,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:29,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160859594] [2024-11-12 12:40:29,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160859594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:29,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:29,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:29,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230892687] [2024-11-12 12:40:29,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:29,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:29,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:29,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:29,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:29,346 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 756 out of 852 [2024-11-12 12:40:29,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 706 transitions, 1496 flow. Second operand has 3 states, 3 states have (on average 757.6666666666666) internal successors, (2273), 3 states have internal predecessors, (2273), 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) [2024-11-12 12:40:29,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:29,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 756 of 852 [2024-11-12 12:40:29,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:31,100 INFO L124 PetriNetUnfolderBase]: 562/7837 cut-off events. [2024-11-12 12:40:31,101 INFO L125 PetriNetUnfolderBase]: For 842/888 co-relation queries the response was YES. [2024-11-12 12:40:31,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9150 conditions, 7837 events. 562/7837 cut-off events. For 842/888 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 67566 event pairs, 82 based on Foata normal form. 0/6482 useless extension candidates. Maximal degree in co-relation 9034. Up to 306 conditions per place. [2024-11-12 12:40:31,179 INFO L140 encePairwiseOnDemand]: 849/852 looper letters, 30 selfloop transitions, 2 changer transitions 0/717 dead transitions. [2024-11-12 12:40:31,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 698 places, 717 transitions, 1620 flow [2024-11-12 12:40:31,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:31,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2290 transitions. [2024-11-12 12:40:31,184 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8959311424100157 [2024-11-12 12:40:31,184 INFO L175 Difference]: Start difference. First operand has 697 places, 706 transitions, 1496 flow. Second operand 3 states and 2290 transitions. [2024-11-12 12:40:31,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 698 places, 717 transitions, 1620 flow [2024-11-12 12:40:31,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 697 places, 717 transitions, 1613 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:31,197 INFO L231 Difference]: Finished difference. Result has 697 places, 705 transitions, 1494 flow [2024-11-12 12:40:31,198 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1490, PETRI_DIFFERENCE_MINUEND_PLACES=695, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1494, PETRI_PLACES=697, PETRI_TRANSITIONS=705} [2024-11-12 12:40:31,199 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -101 predicate places. [2024-11-12 12:40:31,199 INFO L471 AbstractCegarLoop]: Abstraction has has 697 places, 705 transitions, 1494 flow [2024-11-12 12:40:31,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 757.6666666666666) internal successors, (2273), 3 states have internal predecessors, (2273), 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) [2024-11-12 12:40:31,200 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:31,200 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:31,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-12 12:40:31,201 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:31,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:31,202 INFO L85 PathProgramCache]: Analyzing trace with hash 296310289, now seen corresponding path program 1 times [2024-11-12 12:40:31,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:31,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006406418] [2024-11-12 12:40:31,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:31,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:31,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:31,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:31,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006406418] [2024-11-12 12:40:31,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006406418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:31,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:31,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:31,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650149647] [2024-11-12 12:40:31,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:31,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:31,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:31,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:31,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:31,327 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 746 out of 852 [2024-11-12 12:40:31,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 705 transitions, 1494 flow. Second operand has 3 states, 3 states have (on average 748.0) internal successors, (2244), 3 states have internal predecessors, (2244), 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) [2024-11-12 12:40:31,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:31,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 746 of 852 [2024-11-12 12:40:31,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:33,048 INFO L124 PetriNetUnfolderBase]: 856/8099 cut-off events. [2024-11-12 12:40:33,048 INFO L125 PetriNetUnfolderBase]: For 1312/1380 co-relation queries the response was YES. [2024-11-12 12:40:33,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10234 conditions, 8099 events. 856/8099 cut-off events. For 1312/1380 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 71852 event pairs, 76 based on Foata normal form. 3/6856 useless extension candidates. Maximal degree in co-relation 10116. Up to 744 conditions per place. [2024-11-12 12:40:33,125 INFO L140 encePairwiseOnDemand]: 845/852 looper letters, 34 selfloop transitions, 2 changer transitions 5/713 dead transitions. [2024-11-12 12:40:33,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 695 places, 713 transitions, 1621 flow [2024-11-12 12:40:33,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:33,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2269 transitions. [2024-11-12 12:40:33,128 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8877151799687011 [2024-11-12 12:40:33,128 INFO L175 Difference]: Start difference. First operand has 697 places, 705 transitions, 1494 flow. Second operand 3 states and 2269 transitions. [2024-11-12 12:40:33,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 695 places, 713 transitions, 1621 flow [2024-11-12 12:40:33,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 693 places, 713 transitions, 1617 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:33,139 INFO L231 Difference]: Finished difference. Result has 693 places, 696 transitions, 1471 flow [2024-11-12 12:40:33,140 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1482, PETRI_DIFFERENCE_MINUEND_PLACES=691, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1471, PETRI_PLACES=693, PETRI_TRANSITIONS=696} [2024-11-12 12:40:33,140 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -105 predicate places. [2024-11-12 12:40:33,141 INFO L471 AbstractCegarLoop]: Abstraction has has 693 places, 696 transitions, 1471 flow [2024-11-12 12:40:33,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 748.0) internal successors, (2244), 3 states have internal predecessors, (2244), 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) [2024-11-12 12:40:33,141 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:33,142 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:33,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-12 12:40:33,142 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err21ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:33,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:33,143 INFO L85 PathProgramCache]: Analyzing trace with hash 249688354, now seen corresponding path program 1 times [2024-11-12 12:40:33,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:33,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747212013] [2024-11-12 12:40:33,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:33,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:33,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:33,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747212013] [2024-11-12 12:40:33,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747212013] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:33,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:33,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:33,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181787148] [2024-11-12 12:40:33,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:33,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:33,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:33,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:33,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:33,255 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 753 out of 852 [2024-11-12 12:40:33,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 693 places, 696 transitions, 1471 flow. Second operand has 3 states, 3 states have (on average 754.6666666666666) internal successors, (2264), 3 states have internal predecessors, (2264), 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) [2024-11-12 12:40:33,257 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:33,257 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 753 of 852 [2024-11-12 12:40:33,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:35,714 INFO L124 PetriNetUnfolderBase]: 798/11758 cut-off events. [2024-11-12 12:40:35,714 INFO L125 PetriNetUnfolderBase]: For 1102/1416 co-relation queries the response was YES. [2024-11-12 12:40:35,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13474 conditions, 11758 events. 798/11758 cut-off events. For 1102/1416 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 113051 event pairs, 89 based on Foata normal form. 2/9786 useless extension candidates. Maximal degree in co-relation 13357. Up to 603 conditions per place. [2024-11-12 12:40:35,782 INFO L140 encePairwiseOnDemand]: 848/852 looper letters, 34 selfloop transitions, 2 changer transitions 0/709 dead transitions. [2024-11-12 12:40:35,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 689 places, 709 transitions, 1609 flow [2024-11-12 12:40:35,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:35,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2286 transitions. [2024-11-12 12:40:35,785 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8943661971830986 [2024-11-12 12:40:35,785 INFO L175 Difference]: Start difference. First operand has 693 places, 696 transitions, 1471 flow. Second operand 3 states and 2286 transitions. [2024-11-12 12:40:35,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 689 places, 709 transitions, 1609 flow [2024-11-12 12:40:35,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 709 transitions, 1605 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:35,795 INFO L231 Difference]: Finished difference. Result has 688 places, 696 transitions, 1477 flow [2024-11-12 12:40:35,796 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1463, PETRI_DIFFERENCE_MINUEND_PLACES=685, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1477, PETRI_PLACES=688, PETRI_TRANSITIONS=696} [2024-11-12 12:40:35,797 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -110 predicate places. [2024-11-12 12:40:35,797 INFO L471 AbstractCegarLoop]: Abstraction has has 688 places, 696 transitions, 1477 flow [2024-11-12 12:40:35,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 754.6666666666666) internal successors, (2264), 3 states have internal predecessors, (2264), 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) [2024-11-12 12:40:35,798 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:35,799 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:35,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-12 12:40:35,799 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:35,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:35,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1820824776, now seen corresponding path program 1 times [2024-11-12 12:40:35,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:35,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493907275] [2024-11-12 12:40:35,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:35,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:36,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:36,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493907275] [2024-11-12 12:40:36,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493907275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:36,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:36,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 12:40:36,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072568626] [2024-11-12 12:40:36,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:36,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 12:40:36,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:36,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 12:40:36,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 12:40:36,051 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 752 out of 852 [2024-11-12 12:40:36,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 688 places, 696 transitions, 1477 flow. Second operand has 4 states, 4 states have (on average 753.75) internal successors, (3015), 4 states have internal predecessors, (3015), 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) [2024-11-12 12:40:36,053 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:36,053 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 752 of 852 [2024-11-12 12:40:36,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:38,131 INFO L124 PetriNetUnfolderBase]: 706/10213 cut-off events. [2024-11-12 12:40:38,132 INFO L125 PetriNetUnfolderBase]: For 1338/1519 co-relation queries the response was YES. [2024-11-12 12:40:38,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12042 conditions, 10213 events. 706/10213 cut-off events. For 1338/1519 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 93349 event pairs, 86 based on Foata normal form. 14/8627 useless extension candidates. Maximal degree in co-relation 11923. Up to 244 conditions per place. [2024-11-12 12:40:38,256 INFO L140 encePairwiseOnDemand]: 845/852 looper letters, 35 selfloop transitions, 6 changer transitions 0/713 dead transitions. [2024-11-12 12:40:38,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 713 transitions, 1665 flow [2024-11-12 12:40:38,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 12:40:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 12:40:38,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3036 transitions. [2024-11-12 12:40:38,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8908450704225352 [2024-11-12 12:40:38,260 INFO L175 Difference]: Start difference. First operand has 688 places, 696 transitions, 1477 flow. Second operand 4 states and 3036 transitions. [2024-11-12 12:40:38,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 713 transitions, 1665 flow [2024-11-12 12:40:38,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 691 places, 713 transitions, 1665 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:40:38,272 INFO L231 Difference]: Finished difference. Result has 691 places, 695 transitions, 1487 flow [2024-11-12 12:40:38,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1475, PETRI_DIFFERENCE_MINUEND_PLACES=688, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=689, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1487, PETRI_PLACES=691, PETRI_TRANSITIONS=695} [2024-11-12 12:40:38,274 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -107 predicate places. [2024-11-12 12:40:38,274 INFO L471 AbstractCegarLoop]: Abstraction has has 691 places, 695 transitions, 1487 flow [2024-11-12 12:40:38,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 753.75) internal successors, (3015), 4 states have internal predecessors, (3015), 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) [2024-11-12 12:40:38,275 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:38,276 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:38,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-12 12:40:38,276 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:38,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:38,277 INFO L85 PathProgramCache]: Analyzing trace with hash 53584812, now seen corresponding path program 1 times [2024-11-12 12:40:38,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:38,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367612248] [2024-11-12 12:40:38,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:38,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:38,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:38,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367612248] [2024-11-12 12:40:38,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367612248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:38,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:38,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:38,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496410388] [2024-11-12 12:40:38,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:38,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:38,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:38,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:38,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:38,454 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 725 out of 852 [2024-11-12 12:40:38,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 691 places, 695 transitions, 1487 flow. Second operand has 3 states, 3 states have (on average 727.0) internal successors, (2181), 3 states have internal predecessors, (2181), 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) [2024-11-12 12:40:38,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:38,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 725 of 852 [2024-11-12 12:40:38,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:41,570 INFO L124 PetriNetUnfolderBase]: 2837/15313 cut-off events. [2024-11-12 12:40:41,570 INFO L125 PetriNetUnfolderBase]: For 5183/5263 co-relation queries the response was YES. [2024-11-12 12:40:41,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23251 conditions, 15313 events. 2837/15313 cut-off events. For 5183/5263 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 154634 event pairs, 112 based on Foata normal form. 0/13635 useless extension candidates. Maximal degree in co-relation 23130. Up to 3602 conditions per place. [2024-11-12 12:40:41,761 INFO L140 encePairwiseOnDemand]: 838/852 looper letters, 50 selfloop transitions, 3 changer transitions 0/697 dead transitions. [2024-11-12 12:40:41,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 682 places, 697 transitions, 1634 flow [2024-11-12 12:40:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:41,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2228 transitions. [2024-11-12 12:40:41,765 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8716744913928013 [2024-11-12 12:40:41,765 INFO L175 Difference]: Start difference. First operand has 691 places, 695 transitions, 1487 flow. Second operand 3 states and 2228 transitions. [2024-11-12 12:40:41,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 682 places, 697 transitions, 1634 flow [2024-11-12 12:40:41,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 679 places, 697 transitions, 1620 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 12:40:41,778 INFO L231 Difference]: Finished difference. Result has 680 places, 685 transitions, 1466 flow [2024-11-12 12:40:41,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1453, PETRI_DIFFERENCE_MINUEND_PLACES=677, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=684, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=681, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1466, PETRI_PLACES=680, PETRI_TRANSITIONS=685} [2024-11-12 12:40:41,779 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -118 predicate places. [2024-11-12 12:40:41,779 INFO L471 AbstractCegarLoop]: Abstraction has has 680 places, 685 transitions, 1466 flow [2024-11-12 12:40:41,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 727.0) internal successors, (2181), 3 states have internal predecessors, (2181), 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) [2024-11-12 12:40:41,780 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:41,780 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:41,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-12 12:40:41,781 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:41,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:41,782 INFO L85 PathProgramCache]: Analyzing trace with hash 288802225, now seen corresponding path program 1 times [2024-11-12 12:40:41,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:41,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872798793] [2024-11-12 12:40:41,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:41,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:42,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:42,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872798793] [2024-11-12 12:40:42,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872798793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:42,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:42,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 12:40:42,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570973123] [2024-11-12 12:40:42,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:42,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 12:40:42,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:42,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 12:40:42,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-12 12:40:42,764 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 714 out of 852 [2024-11-12 12:40:42,771 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 685 transitions, 1466 flow. Second operand has 8 states, 8 states have (on average 718.25) internal successors, (5746), 8 states have internal predecessors, (5746), 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) [2024-11-12 12:40:42,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:42,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 714 of 852 [2024-11-12 12:40:42,772 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:44,409 INFO L124 PetriNetUnfolderBase]: 709/7349 cut-off events. [2024-11-12 12:40:44,410 INFO L125 PetriNetUnfolderBase]: For 1856/2637 co-relation queries the response was YES. [2024-11-12 12:40:44,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9683 conditions, 7349 events. 709/7349 cut-off events. For 1856/2637 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 56960 event pairs, 269 based on Foata normal form. 20/6446 useless extension candidates. Maximal degree in co-relation 9561. Up to 740 conditions per place. [2024-11-12 12:40:44,532 INFO L140 encePairwiseOnDemand]: 841/852 looper letters, 94 selfloop transitions, 12 changer transitions 0/730 dead transitions. [2024-11-12 12:40:44,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 688 places, 730 transitions, 1809 flow [2024-11-12 12:40:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 12:40:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-12 12:40:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 6522 transitions. [2024-11-12 12:40:44,536 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8505477308294209 [2024-11-12 12:40:44,536 INFO L175 Difference]: Start difference. First operand has 680 places, 685 transitions, 1466 flow. Second operand 9 states and 6522 transitions. [2024-11-12 12:40:44,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 688 places, 730 transitions, 1809 flow [2024-11-12 12:40:44,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 687 places, 730 transitions, 1806 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 12:40:44,544 INFO L231 Difference]: Finished difference. Result has 690 places, 690 transitions, 1513 flow [2024-11-12 12:40:44,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1463, PETRI_DIFFERENCE_MINUEND_PLACES=679, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=685, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=675, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1513, PETRI_PLACES=690, PETRI_TRANSITIONS=690} [2024-11-12 12:40:44,545 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -108 predicate places. [2024-11-12 12:40:44,545 INFO L471 AbstractCegarLoop]: Abstraction has has 690 places, 690 transitions, 1513 flow [2024-11-12 12:40:44,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 718.25) internal successors, (5746), 8 states have internal predecessors, (5746), 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) [2024-11-12 12:40:44,546 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:44,546 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:44,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-12 12:40:44,547 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:44,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:44,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1881201899, now seen corresponding path program 1 times [2024-11-12 12:40:44,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:44,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893674155] [2024-11-12 12:40:44,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:44,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:45,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:45,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:45,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893674155] [2024-11-12 12:40:45,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893674155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:45,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:45,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:40:45,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773143259] [2024-11-12 12:40:45,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:45,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:40:45,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:45,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:40:45,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:40:45,526 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 699 out of 852 [2024-11-12 12:40:45,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 690 places, 690 transitions, 1513 flow. Second operand has 6 states, 6 states have (on average 700.6666666666666) internal successors, (4204), 6 states have internal predecessors, (4204), 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) [2024-11-12 12:40:45,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:45,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 699 of 852 [2024-11-12 12:40:45,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:52,030 INFO L124 PetriNetUnfolderBase]: 6421/29491 cut-off events. [2024-11-12 12:40:52,030 INFO L125 PetriNetUnfolderBase]: For 10817/10821 co-relation queries the response was YES. [2024-11-12 12:40:52,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46797 conditions, 29491 events. 6421/29491 cut-off events. For 10817/10821 co-relation queries the response was YES. Maximal size of possible extension queue 303. Compared 324427 event pairs, 3864 based on Foata normal form. 0/26330 useless extension candidates. Maximal degree in co-relation 46670. Up to 9066 conditions per place. [2024-11-12 12:40:52,288 INFO L140 encePairwiseOnDemand]: 846/852 looper letters, 70 selfloop transitions, 5 changer transitions 0/689 dead transitions. [2024-11-12 12:40:52,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 694 places, 689 transitions, 1661 flow [2024-11-12 12:40:52,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 12:40:52,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-12 12:40:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4264 transitions. [2024-11-12 12:40:52,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8341158059467919 [2024-11-12 12:40:52,291 INFO L175 Difference]: Start difference. First operand has 690 places, 690 transitions, 1513 flow. Second operand 6 states and 4264 transitions. [2024-11-12 12:40:52,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 694 places, 689 transitions, 1661 flow [2024-11-12 12:40:52,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 692 places, 689 transitions, 1654 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 12:40:52,301 INFO L231 Difference]: Finished difference. Result has 692 places, 689 transitions, 1514 flow [2024-11-12 12:40:52,301 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1504, PETRI_DIFFERENCE_MINUEND_PLACES=687, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=689, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1514, PETRI_PLACES=692, PETRI_TRANSITIONS=689} [2024-11-12 12:40:52,302 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -106 predicate places. [2024-11-12 12:40:52,302 INFO L471 AbstractCegarLoop]: Abstraction has has 692 places, 689 transitions, 1514 flow [2024-11-12 12:40:52,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 700.6666666666666) internal successors, (4204), 6 states have internal predecessors, (4204), 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) [2024-11-12 12:40:52,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:52,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:52,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-12 12:40:52,303 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:52,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:52,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1950555769, now seen corresponding path program 1 times [2024-11-12 12:40:52,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:52,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299622390] [2024-11-12 12:40:52,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:40:52,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:52,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299622390] [2024-11-12 12:40:52,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299622390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:52,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:52,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:40:52,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267919704] [2024-11-12 12:40:52,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:52,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:40:52,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:52,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:40:52,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:40:52,434 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 750 out of 852 [2024-11-12 12:40:52,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 692 places, 689 transitions, 1514 flow. Second operand has 3 states, 3 states have (on average 752.0) internal successors, (2256), 3 states have internal predecessors, (2256), 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) [2024-11-12 12:40:52,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:52,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 750 of 852 [2024-11-12 12:40:52,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:40:55,997 INFO L124 PetriNetUnfolderBase]: 1841/19498 cut-off events. [2024-11-12 12:40:55,997 INFO L125 PetriNetUnfolderBase]: For 2966/2970 co-relation queries the response was YES. [2024-11-12 12:40:56,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24420 conditions, 19498 events. 1841/19498 cut-off events. For 2966/2970 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 212916 event pairs, 212 based on Foata normal form. 0/17447 useless extension candidates. Maximal degree in co-relation 24297. Up to 1988 conditions per place. [2024-11-12 12:40:56,128 INFO L140 encePairwiseOnDemand]: 847/852 looper letters, 33 selfloop transitions, 2 changer transitions 0/698 dead transitions. [2024-11-12 12:40:56,128 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 691 places, 698 transitions, 1630 flow [2024-11-12 12:40:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:40:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:40:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2279 transitions. [2024-11-12 12:40:56,130 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8916275430359938 [2024-11-12 12:40:56,130 INFO L175 Difference]: Start difference. First operand has 692 places, 689 transitions, 1514 flow. Second operand 3 states and 2279 transitions. [2024-11-12 12:40:56,130 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 691 places, 698 transitions, 1630 flow [2024-11-12 12:40:56,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 686 places, 698 transitions, 1620 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-12 12:40:56,137 INFO L231 Difference]: Finished difference. Result has 687 places, 688 transitions, 1514 flow [2024-11-12 12:40:56,138 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=852, PETRI_DIFFERENCE_MINUEND_FLOW=1498, PETRI_DIFFERENCE_MINUEND_PLACES=684, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=686, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=684, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1514, PETRI_PLACES=687, PETRI_TRANSITIONS=688} [2024-11-12 12:40:56,138 INFO L279 CegarLoopForPetriNet]: 798 programPoint places, -111 predicate places. [2024-11-12 12:40:56,139 INFO L471 AbstractCegarLoop]: Abstraction has has 687 places, 688 transitions, 1514 flow [2024-11-12 12:40:56,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 752.0) internal successors, (2256), 3 states have internal predecessors, (2256), 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) [2024-11-12 12:40:56,139 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:40:56,140 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 12:40:56,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-12 12:40:56,140 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting thread1Err23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 230 more)] === [2024-11-12 12:40:56,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:40:56,141 INFO L85 PathProgramCache]: Analyzing trace with hash -404576758, now seen corresponding path program 1 times [2024-11-12 12:40:56,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:40:56,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027114076] [2024-11-12 12:40:56,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:40:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:40:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:40:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 12:40:57,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:40:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027114076] [2024-11-12 12:40:57,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027114076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:40:57,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:40:57,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 12:40:57,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330031486] [2024-11-12 12:40:57,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:40:57,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 12:40:57,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:40:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 12:40:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-12 12:40:57,557 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 728 out of 852 [2024-11-12 12:40:57,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 687 places, 688 transitions, 1514 flow. Second operand has 6 states, 6 states have (on average 730.5) internal successors, (4383), 6 states have internal predecessors, (4383), 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) [2024-11-12 12:40:57,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:40:57,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 728 of 852 [2024-11-12 12:40:57,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand