./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe019_power.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e9fa0a1b11704376245a2fedbc5c4fb7e02255cba008bc8067c3e06529a17976 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:41:42,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:41:43,035 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:41:43,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:41:43,043 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:41:43,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:41:43,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:41:43,071 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:41:43,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:41:43,075 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:41:43,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:41:43,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:41:43,076 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:41:43,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:41:43,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:41:43,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:41:43,092 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:41:43,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:41:43,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:41:43,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:41:43,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:41:43,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:41:43,094 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:41:43,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:41:43,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:41:43,094 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:41:43,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:41:43,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:41:43,095 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:41:43,095 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:41:43,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:41:43,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:41:43,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:41:43,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:41:43,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:41:43,097 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:41:43,097 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:41:43,097 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:41:43,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:41:43,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:41:43,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:41:43,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fa0a1b11704376245a2fedbc5c4fb7e02255cba008bc8067c3e06529a17976 [2024-11-19 05:41:43,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:41:43,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:41:43,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:41:43,377 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:41:43,377 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:41:43,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_power.oepc.i [2024-11-19 05:41:44,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:41:45,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:41:45,279 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.oepc.i [2024-11-19 05:41:45,303 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f6a3cbe/25c63da921174322b189df7d45470ff2/FLAG59086e359 [2024-11-19 05:41:45,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1f6a3cbe/25c63da921174322b189df7d45470ff2 [2024-11-19 05:41:45,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:41:45,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:41:45,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:41:45,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:41:45,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:41:45,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:45,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52eae103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45, skipping insertion in model container [2024-11-19 05:41:45,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:45,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:41:45,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:41:45,839 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:41:45,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:41:45,949 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:41:45,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45 WrapperNode [2024-11-19 05:41:45,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:41:45,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:41:45,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:41:45,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:41:45,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:45,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,040 INFO L138 Inliner]: procedures = 176, calls = 72, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 798 [2024-11-19 05:41:46,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:41:46,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:41:46,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:41:46,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:41:46,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:41:46,127 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:41:46,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:41:46,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:41:46,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (1/1) ... [2024-11-19 05:41:46,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:41:46,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:41:46,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:41:46,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:41:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 05:41:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 05:41:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 05:41:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 05:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 05:41:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 05:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-19 05:41:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-19 05:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:41:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:41:46,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:41:46,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:41:46,251 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:41:46,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:41:46,468 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:41:48,547 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:41:48,547 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:42:04,098 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:42:04,099 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:42:04,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:04 BoogieIcfgContainer [2024-11-19 05:42:04,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:42:04,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:42:04,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:42:04,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:42:04,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:41:45" (1/3) ... [2024-11-19 05:42:04,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192834ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:04, skipping insertion in model container [2024-11-19 05:42:04,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:45" (2/3) ... [2024-11-19 05:42:04,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192834ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:04, skipping insertion in model container [2024-11-19 05:42:04,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:04" (3/3) ... [2024-11-19 05:42:04,114 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.oepc.i [2024-11-19 05:42:04,130 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:42:04,130 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 357 error locations. [2024-11-19 05:42:04,130 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:42:04,986 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:42:05,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 514 places, 504 transitions, 1024 flow [2024-11-19 05:42:06,168 INFO L124 PetriNetUnfolderBase]: 3/500 cut-off events. [2024-11-19 05:42:06,168 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:42:06,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 500 events. 3/500 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 3483 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 444. Up to 2 conditions per place. [2024-11-19 05:42:06,197 INFO L82 GeneralOperation]: Start removeDead. Operand has 514 places, 504 transitions, 1024 flow [2024-11-19 05:42:06,252 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 510 places, 500 transitions, 1012 flow [2024-11-19 05:42:06,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:42:06,284 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;@1498681e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:42:06,285 INFO L334 AbstractCegarLoop]: Starting to check reachability of 579 error locations. [2024-11-19 05:42:06,318 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:42:06,318 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2024-11-19 05:42:06,319 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:42:06,319 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:42:06,320 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] [2024-11-19 05:42:06,321 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 575 more)] === [2024-11-19 05:42:06,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:42:06,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1993507844, now seen corresponding path program 1 times [2024-11-19 05:42:06,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:42:06,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741765734] [2024-11-19 05:42:06,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:42:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:42:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:42:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:42:06,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:42:06,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741765734] [2024-11-19 05:42:06,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741765734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:42:06,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:42:06,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 05:42:06,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287160476] [2024-11-19 05:42:06,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:42:06,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 05:42:06,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:42:06,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 05:42:06,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 05:42:06,975 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 504 [2024-11-19 05:42:06,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 510 places, 500 transitions, 1012 flow. Second operand has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:42:06,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:42:06,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 504 [2024-11-19 05:42:06,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:42:17,776 INFO L124 PetriNetUnfolderBase]: 2762/8318 cut-off events. [2024-11-19 05:42:17,776 INFO L125 PetriNetUnfolderBase]: For 77/77 co-relation queries the response was YES. [2024-11-19 05:42:17,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12276 conditions, 8318 events. 2762/8318 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 88265 event pairs, 2762 based on Foata normal form. 677/8388 useless extension candidates. Maximal degree in co-relation 12205. Up to 3799 conditions per place. [2024-11-19 05:42:17,835 INFO L140 encePairwiseOnDemand]: 146/504 looper letters, 19 selfloop transitions, 0 changer transitions 0/140 dead transitions. [2024-11-19 05:42:17,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 140 transitions, 330 flow [2024-11-19 05:42:17,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 05:42:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 05:42:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 629 transitions. [2024-11-19 05:42:17,854 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6240079365079365 [2024-11-19 05:42:17,856 INFO L175 Difference]: Start difference. First operand has 510 places, 500 transitions, 1012 flow. Second operand 2 states and 629 transitions. [2024-11-19 05:42:17,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 140 transitions, 330 flow [2024-11-19 05:42:17,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 140 transitions, 326 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 05:42:17,862 INFO L231 Difference]: Finished difference. Result has 150 places, 140 transitions, 288 flow [2024-11-19 05:42:17,864 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=504, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=288, PETRI_PLACES=150, PETRI_TRANSITIONS=140} [2024-11-19 05:42:17,868 INFO L277 CegarLoopForPetriNet]: 510 programPoint places, -360 predicate places. [2024-11-19 05:42:17,871 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 140 transitions, 288 flow [2024-11-19 05:42:17,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 127.0) internal successors, (254), 2 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:42:17,872 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:42:17,872 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] [2024-11-19 05:42:17,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:42:17,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 575 more)] === [2024-11-19 05:42:17,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:42:17,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1166930184, now seen corresponding path program 1 times [2024-11-19 05:42:17,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:42:17,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440299358] [2024-11-19 05:42:17,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:42:17,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:42:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:42:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:42:18,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:42:18,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440299358] [2024-11-19 05:42:18,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440299358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:42:18,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:42:18,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:42:18,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618105657] [2024-11-19 05:42:18,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:42:18,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:42:18,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:42:18,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:42:18,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:42:18,109 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 504 [2024-11-19 05:42:18,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 140 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:42:18,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:42:18,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 504 [2024-11-19 05:42:18,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:42:31,568 INFO L124 PetriNetUnfolderBase]: 4186/11733 cut-off events. [2024-11-19 05:42:31,568 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:42:31,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17592 conditions, 11733 events. 4186/11733 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 122326 event pairs, 1338 based on Foata normal form. 0/10976 useless extension candidates. Maximal degree in co-relation 17589. Up to 3808 conditions per place. [2024-11-19 05:42:31,648 INFO L140 encePairwiseOnDemand]: 502/504 looper letters, 32 selfloop transitions, 1 changer transitions 0/151 dead transitions. [2024-11-19 05:42:31,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 151 transitions, 376 flow [2024-11-19 05:42:31,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:42:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:42:31,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 403 transitions. [2024-11-19 05:42:31,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2665343915343915 [2024-11-19 05:42:31,656 INFO L175 Difference]: Start difference. First operand has 150 places, 140 transitions, 288 flow. Second operand 3 states and 403 transitions. [2024-11-19 05:42:31,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 151 transitions, 376 flow [2024-11-19 05:42:31,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 151 transitions, 376 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:42:31,664 INFO L231 Difference]: Finished difference. Result has 151 places, 139 transitions, 288 flow [2024-11-19 05:42:31,669 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=504, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=288, PETRI_PLACES=151, PETRI_TRANSITIONS=139} [2024-11-19 05:42:31,669 INFO L277 CegarLoopForPetriNet]: 510 programPoint places, -359 predicate places. [2024-11-19 05:42:31,669 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 139 transitions, 288 flow [2024-11-19 05:42:31,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:42:31,670 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:42:31,670 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] [2024-11-19 05:42:31,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:42:31,671 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 575 more)] === [2024-11-19 05:42:31,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:42:31,671 INFO L85 PathProgramCache]: Analyzing trace with hash 86786283, now seen corresponding path program 1 times [2024-11-19 05:42:31,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:42:31,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906394853] [2024-11-19 05:42:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:42:31,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:42:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:42:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:42:32,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:42:32,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906394853] [2024-11-19 05:42:32,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906394853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:42:32,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:42:32,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:42:32,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790519201] [2024-11-19 05:42:32,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:42:32,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:42:32,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:42:32,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:42:32,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:42:32,134 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 504 [2024-11-19 05:42:32,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 139 transitions, 288 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:42:32,136 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:42:32,136 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 504 [2024-11-19 05:42:32,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand