./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-symm.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 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:59:37,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:59:37,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:59:37,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:59:37,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:59:37,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:59:37,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:59:37,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:59:37,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:59:38,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:59:38,001 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:59:38,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:59:38,002 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:59:38,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:59:38,005 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:59:38,005 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:59:38,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:59:38,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:59:38,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:59:38,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:59:38,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:59:38,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:59:38,007 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:59:38,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:59:38,010 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:59:38,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:59:38,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:59:38,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:59:38,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:59:38,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:59:38,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:59:38,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:38,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:59:38,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:59:38,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:59:38,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:59:38,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:59:38,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:59:38,013 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:59:38,013 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:59:38,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:59:38,015 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2024-11-09 06:59:38,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:59:38,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:59:38,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:59:38,317 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:59:38,317 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:59:38,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-09 06:59:39,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:59:39,998 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:59:39,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-09 06:59:40,014 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06de2e3b3/7dec220acc4d49d59aa400eedf69b416/FLAGcc92b8c9a [2024-11-09 06:59:40,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06de2e3b3/7dec220acc4d49d59aa400eedf69b416 [2024-11-09 06:59:40,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:59:40,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:59:40,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:40,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:59:40,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:59:40,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b570e6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40, skipping insertion in model container [2024-11-09 06:59:40,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:59:40,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:40,462 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:59:40,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:40,577 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:59:40,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40 WrapperNode [2024-11-09 06:59:40,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:40,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:40,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:59:40,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:59:40,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,767 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 3269 [2024-11-09 06:59:40,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:40,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:59:40,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:59:40,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:59:40,779 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,808 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:40,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:41,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:41,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:41,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:59:41,082 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:59:41,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:59:41,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:59:41,083 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (1/1) ... [2024-11-09 06:59:41,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:41,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:41,127 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) [2024-11-09 06:59:41,130 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 [2024-11-09 06:59:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:59:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:59:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:59:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:59:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:59:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:59:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:59:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 06:59:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 06:59:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:59:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:59:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:59:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:59:41,185 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:59:41,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:59:41,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:44,802 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:59:44,803 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:55,419 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:55,420 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-09 06:59:55,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:55 BoogieIcfgContainer [2024-11-09 06:59:55,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:55,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:55,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:55,430 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:55,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:59:40" (1/3) ... [2024-11-09 06:59:55,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60944073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:55, skipping insertion in model container [2024-11-09 06:59:55,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:40" (2/3) ... [2024-11-09 06:59:55,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60944073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:55, skipping insertion in model container [2024-11-09 06:59:55,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:55" (3/3) ... [2024-11-09 06:59:55,433 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-11-09 06:59:55,453 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:55,453 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 494 error locations. [2024-11-09 06:59:55,453 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:59:57,156 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 06:59:57,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-09 06:59:58,113 INFO L124 PetriNetUnfolderBase]: 55/1114 cut-off events. [2024-11-09 06:59:58,113 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-09 06:59:58,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1114 events. 55/1114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5190 event pairs, 0 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 772. Up to 7 conditions per place. [2024-11-09 06:59:58,147 INFO L82 GeneralOperation]: Start removeDead. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-09 06:59:58,193 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1046 places, 1092 transitions, 2196 flow [2024-11-09 06:59:58,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:58,213 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;@1efbec22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:58,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 970 error locations. [2024-11-09 06:59:58,221 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:59:58,221 INFO L124 PetriNetUnfolderBase]: 3/71 cut-off events. [2024-11-09 06:59:58,221 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:59:58,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:58,222 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:58,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 06:59:58,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:58,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1737294229, now seen corresponding path program 1 times [2024-11-09 06:59:58,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:58,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439013605] [2024-11-09 06:59:58,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:58,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:59,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:59,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439013605] [2024-11-09 06:59:59,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439013605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:59,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:59,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:59:59,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485471168] [2024-11-09 06:59:59,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:59,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 06:59:59,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:59,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 06:59:59,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 07:00:00,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 1116 [2024-11-09 07:00:00,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 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) [2024-11-09 07:00:00,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:00,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 1116 [2024-11-09 07:00:00,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:03,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:04,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:05,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:10,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:13,384 INFO L124 PetriNetUnfolderBase]: 104/806 cut-off events. [2024-11-09 07:00:13,384 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-09 07:00:13,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 806 events. 104/806 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1943 event pairs, 15 based on Foata normal form. 44/747 useless extension candidates. Maximal degree in co-relation 617. Up to 185 conditions per place. [2024-11-09 07:00:13,395 INFO L140 encePairwiseOnDemand]: 566/1116 looper letters, 90 selfloop transitions, 40 changer transitions 16/582 dead transitions. [2024-11-09 07:00:13,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 582 transitions, 1436 flow [2024-11-09 07:00:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 07:00:13,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-09 07:00:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3484 transitions. [2024-11-09 07:00:13,420 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5203106332138591 [2024-11-09 07:00:13,422 INFO L175 Difference]: Start difference. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand 6 states and 3484 transitions. [2024-11-09 07:00:13,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 582 transitions, 1436 flow [2024-11-09 07:00:13,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 582 transitions, 1428 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-09 07:00:13,443 INFO L231 Difference]: Finished difference. Result has 565 places, 566 transitions, 1216 flow [2024-11-09 07:00:13,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1216, PETRI_PLACES=565, PETRI_TRANSITIONS=566} [2024-11-09 07:00:13,450 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -481 predicate places. [2024-11-09 07:00:13,451 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 566 transitions, 1216 flow [2024-11-09 07:00:13,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 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) [2024-11-09 07:00:13,454 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:13,454 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:13,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:00:13,455 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 07:00:13,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:13,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1472892581, now seen corresponding path program 1 times [2024-11-09 07:00:13,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:13,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414840088] [2024-11-09 07:00:13,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:13,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:13,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:13,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414840088] [2024-11-09 07:00:13,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414840088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:13,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:13,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:13,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282240858] [2024-11-09 07:00:13,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:13,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:13,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:13,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:13,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:13,570 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-09 07:00:13,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 566 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:13,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:13,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-09 07:00:13,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:17,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:21,737 INFO L124 PetriNetUnfolderBase]: 104/789 cut-off events. [2024-11-09 07:00:21,738 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:00:21,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 789 events. 104/789 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1919 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 839. Up to 124 conditions per place. [2024-11-09 07:00:21,746 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/565 dead transitions. [2024-11-09 07:00:21,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 565 transitions, 1276 flow [2024-11-09 07:00:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:21,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-09 07:00:21,757 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-09 07:00:21,757 INFO L175 Difference]: Start difference. First operand has 565 places, 566 transitions, 1216 flow. Second operand 3 states and 1769 transitions. [2024-11-09 07:00:21,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 565 transitions, 1276 flow [2024-11-09 07:00:21,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 565 transitions, 1196 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-09 07:00:21,769 INFO L231 Difference]: Finished difference. Result has 545 places, 565 transitions, 1138 flow [2024-11-09 07:00:21,770 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1138, PETRI_PLACES=545, PETRI_TRANSITIONS=565} [2024-11-09 07:00:21,771 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -501 predicate places. [2024-11-09 07:00:21,771 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 565 transitions, 1138 flow [2024-11-09 07:00:21,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:21,772 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:21,773 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:21,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:00:21,773 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 07:00:21,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:21,774 INFO L85 PathProgramCache]: Analyzing trace with hash -156120571, now seen corresponding path program 1 times [2024-11-09 07:00:21,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:21,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484782971] [2024-11-09 07:00:21,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:21,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:21,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484782971] [2024-11-09 07:00:21,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484782971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:21,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:21,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:21,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828559893] [2024-11-09 07:00:21,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:21,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:21,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:21,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:21,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:21,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-09 07:00:21,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 565 transitions, 1138 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:21,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:21,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-09 07:00:21,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:27,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:29,760 INFO L124 PetriNetUnfolderBase]: 104/788 cut-off events. [2024-11-09 07:00:29,760 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:00:29,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 788 events. 104/788 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1941 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 842. Up to 124 conditions per place. [2024-11-09 07:00:29,766 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/564 dead transitions. [2024-11-09 07:00:29,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 564 transitions, 1198 flow [2024-11-09 07:00:29,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-09 07:00:29,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-09 07:00:29,778 INFO L175 Difference]: Start difference. First operand has 545 places, 565 transitions, 1138 flow. Second operand 3 states and 1769 transitions. [2024-11-09 07:00:29,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 564 transitions, 1198 flow [2024-11-09 07:00:29,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 564 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:29,798 INFO L231 Difference]: Finished difference. Result has 544 places, 564 transitions, 1136 flow [2024-11-09 07:00:29,801 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1136, PETRI_PLACES=544, PETRI_TRANSITIONS=564} [2024-11-09 07:00:29,802 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -502 predicate places. [2024-11-09 07:00:29,802 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 564 transitions, 1136 flow [2024-11-09 07:00:29,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:29,804 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:29,804 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:29,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 07:00:29,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 07:00:29,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:29,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1548346605, now seen corresponding path program 1 times [2024-11-09 07:00:29,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:29,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428310811] [2024-11-09 07:00:29,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:29,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:29,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:29,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428310811] [2024-11-09 07:00:29,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428310811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:29,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:29,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:29,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499395792] [2024-11-09 07:00:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:29,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:29,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:29,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:29,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:29,945 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-09 07:00:29,948 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 564 transitions, 1136 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:29,948 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:29,948 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-09 07:00:29,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:31,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:34,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:37,346 INFO L124 PetriNetUnfolderBase]: 104/787 cut-off events. [2024-11-09 07:00:37,346 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:00:37,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 787 events. 104/787 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1937 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 794. Up to 124 conditions per place. [2024-11-09 07:00:37,351 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/563 dead transitions. [2024-11-09 07:00:37,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 563 transitions, 1196 flow [2024-11-09 07:00:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-09 07:00:37,363 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-09 07:00:37,363 INFO L175 Difference]: Start difference. First operand has 544 places, 564 transitions, 1136 flow. Second operand 3 states and 1769 transitions. [2024-11-09 07:00:37,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 563 transitions, 1196 flow [2024-11-09 07:00:37,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 563 transitions, 1192 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:37,376 INFO L231 Difference]: Finished difference. Result has 543 places, 563 transitions, 1134 flow [2024-11-09 07:00:37,377 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1134, PETRI_PLACES=543, PETRI_TRANSITIONS=563} [2024-11-09 07:00:37,378 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -503 predicate places. [2024-11-09 07:00:37,379 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 563 transitions, 1134 flow [2024-11-09 07:00:37,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:37,380 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:37,381 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:37,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 07:00:37,381 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 07:00:37,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:37,382 INFO L85 PathProgramCache]: Analyzing trace with hash 2134823942, now seen corresponding path program 1 times [2024-11-09 07:00:37,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:37,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181078337] [2024-11-09 07:00:37,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:37,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:37,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:37,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181078337] [2024-11-09 07:00:37,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181078337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:37,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:37,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:37,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054770671] [2024-11-09 07:00:37,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:37,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:37,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:37,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:37,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:37,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-09 07:00:37,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 563 transitions, 1134 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:37,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:37,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-09 07:00:37,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:39,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:43,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:00:45,753 INFO L124 PetriNetUnfolderBase]: 104/786 cut-off events. [2024-11-09 07:00:45,753 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:00:45,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 786 events. 104/786 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1936 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 746. Up to 124 conditions per place. [2024-11-09 07:00:45,759 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/562 dead transitions. [2024-11-09 07:00:45,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 562 transitions, 1194 flow [2024-11-09 07:00:45,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-09 07:00:45,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-09 07:00:45,771 INFO L175 Difference]: Start difference. First operand has 543 places, 563 transitions, 1134 flow. Second operand 3 states and 1769 transitions. [2024-11-09 07:00:45,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 562 transitions, 1194 flow [2024-11-09 07:00:45,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 562 transitions, 1190 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:45,784 INFO L231 Difference]: Finished difference. Result has 542 places, 562 transitions, 1132 flow [2024-11-09 07:00:45,785 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1128, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1132, PETRI_PLACES=542, PETRI_TRANSITIONS=562} [2024-11-09 07:00:45,786 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -504 predicate places. [2024-11-09 07:00:45,787 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 562 transitions, 1132 flow [2024-11-09 07:00:45,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:45,788 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:45,789 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:45,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 07:00:45,789 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 07:00:45,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:45,790 INFO L85 PathProgramCache]: Analyzing trace with hash 2032243358, now seen corresponding path program 1 times [2024-11-09 07:00:45,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:45,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037211205] [2024-11-09 07:00:45,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:45,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:45,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:45,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:45,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037211205] [2024-11-09 07:00:45,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037211205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:45,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:45,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:45,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72637620] [2024-11-09 07:00:45,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:45,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:45,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:45,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:45,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:45,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-09 07:00:45,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 562 transitions, 1132 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:45,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:45,943 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-09 07:00:45,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:52,947 INFO L124 PetriNetUnfolderBase]: 104/785 cut-off events. [2024-11-09 07:00:52,947 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:00:52,949 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 785 events. 104/785 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1934 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 698. Up to 124 conditions per place. [2024-11-09 07:00:52,951 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-11-09 07:00:52,952 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 561 transitions, 1192 flow [2024-11-09 07:00:52,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:52,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:52,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-09 07:00:52,963 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-09 07:00:52,963 INFO L175 Difference]: Start difference. First operand has 542 places, 562 transitions, 1132 flow. Second operand 3 states and 1769 transitions. [2024-11-09 07:00:52,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 561 transitions, 1192 flow [2024-11-09 07:00:52,967 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 561 transitions, 1188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:52,975 INFO L231 Difference]: Finished difference. Result has 541 places, 561 transitions, 1130 flow [2024-11-09 07:00:52,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1130, PETRI_PLACES=541, PETRI_TRANSITIONS=561} [2024-11-09 07:00:52,977 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -505 predicate places. [2024-11-09 07:00:52,977 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 561 transitions, 1130 flow [2024-11-09 07:00:52,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:52,979 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:52,979 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:00:52,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 07:00:52,980 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 07:00:52,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:52,980 INFO L85 PathProgramCache]: Analyzing trace with hash -128575960, now seen corresponding path program 1 times [2024-11-09 07:00:52,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:52,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102958876] [2024-11-09 07:00:52,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:52,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:53,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:53,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102958876] [2024-11-09 07:00:53,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102958876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:53,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:53,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:53,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501606430] [2024-11-09 07:00:53,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:53,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:53,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:53,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:53,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:53,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-09 07:00:53,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 561 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:00:53,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:53,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-09 07:00:53,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:01:00,387 INFO L124 PetriNetUnfolderBase]: 104/784 cut-off events. [2024-11-09 07:01:00,388 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-09 07:01:00,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 784 events. 104/784 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1931 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 650. Up to 124 conditions per place. [2024-11-09 07:01:00,392 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/560 dead transitions. [2024-11-09 07:01:00,392 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 560 transitions, 1190 flow [2024-11-09 07:01:00,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:01:00,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:01:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-09 07:01:00,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-09 07:01:00,402 INFO L175 Difference]: Start difference. First operand has 541 places, 561 transitions, 1130 flow. Second operand 3 states and 1769 transitions. [2024-11-09 07:01:00,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 560 transitions, 1190 flow [2024-11-09 07:01:00,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 560 transitions, 1186 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:01:00,413 INFO L231 Difference]: Finished difference. Result has 540 places, 560 transitions, 1128 flow [2024-11-09 07:01:00,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=540, PETRI_TRANSITIONS=560} [2024-11-09 07:01:00,414 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -506 predicate places. [2024-11-09 07:01:00,415 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 560 transitions, 1128 flow [2024-11-09 07:01:00,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:01:00,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:01:00,417 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:01:00,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 07:01:00,417 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-09 07:01:00,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:01:00,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1743684285, now seen corresponding path program 1 times [2024-11-09 07:01:00,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:01:00,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443462988] [2024-11-09 07:01:00,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:01:00,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:01:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:01:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:01:00,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:01:00,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443462988] [2024-11-09 07:01:00,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443462988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:01:00,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:01:00,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:01:00,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802306077] [2024-11-09 07:01:00,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:01:00,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:01:00,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:01:00,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:01:00,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:01:00,588 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-09 07:01:00,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 560 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 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) [2024-11-09 07:01:00,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:01:00,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-09 07:01:00,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand