./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3289d67d 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/mix057_power.oepc_pso.oepc_rmo.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 649d1c1aa65cb6010503451d39379fb2c9cafcc7e0f5f23661f58b5d14c46288 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:23:59,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:23:59,800 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:23:59,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:23:59,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:23:59,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:23:59,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:23:59,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:23:59,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:23:59,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:23:59,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:23:59,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:23:59,827 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:23:59,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:23:59,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:23:59,827 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:23:59,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:23:59,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:23:59,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:23:59,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:23:59,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:23:59,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:23:59,830 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:23:59,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:23:59,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:23:59,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:23:59,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:23:59,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:23:59,831 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:23:59,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:23:59,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:23:59,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:23:59,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:23:59,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:23:59,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:23:59,833 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:23:59,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:23:59,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:23:59,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:23:59,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:23:59,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:23:59,838 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 649d1c1aa65cb6010503451d39379fb2c9cafcc7e0f5f23661f58b5d14c46288 [2024-11-16 23:24:00,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:24:00,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:24:00,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:24:00,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:24:00,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:24:00,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-16 23:24:01,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:24:01,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:24:01,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-16 23:24:01,959 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ed375f4/a8a5951660304a11a14da5098258cf20/FLAGd01d2f132 [2024-11-16 23:24:01,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4ed375f4/a8a5951660304a11a14da5098258cf20 [2024-11-16 23:24:01,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:24:01,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:24:01,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:24:01,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:24:01,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:24:01,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:24:01" (1/1) ... [2024-11-16 23:24:01,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a31af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:01, skipping insertion in model container [2024-11-16 23:24:01,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:24:01" (1/1) ... [2024-11-16 23:24:02,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:24:02,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:24:02,574 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:24:02,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:24:02,690 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:24:02,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02 WrapperNode [2024-11-16 23:24:02,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:24:02,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:24:02,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:24:02,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:24:02,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,789 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 495 [2024-11-16 23:24:02,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:24:02,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:24:02,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:24:02,796 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:24:02,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,875 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:24:02,876 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:24:02,876 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:24:02,876 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:24:02,877 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (1/1) ... [2024-11-16 23:24:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:24:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:24:02,911 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) [2024-11-16 23:24:02,918 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 [2024-11-16 23:24:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 23:24:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:24:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-16 23:24:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-16 23:24:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-16 23:24:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-16 23:24:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-16 23:24:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-16 23:24:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-16 23:24:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-16 23:24:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:24:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 23:24:02,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:24:02,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:24:02,967 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:24:03,171 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:24:03,174 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:24:04,697 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:24:04,697 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:24:08,352 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-16 23:24:08,392 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-16 23:24:08,432 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-16 23:24:08,468 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-16 23:24:08,638 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:24:08,640 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:24:08,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:24:08 BoogieIcfgContainer [2024-11-16 23:24:08,642 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:24:08,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:24:08,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:24:08,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:24:08,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:24:01" (1/3) ... [2024-11-16 23:24:08,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782ba831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:24:08, skipping insertion in model container [2024-11-16 23:24:08,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:02" (2/3) ... [2024-11-16 23:24:08,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782ba831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:24:08, skipping insertion in model container [2024-11-16 23:24:08,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:24:08" (3/3) ... [2024-11-16 23:24:08,652 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.oepc_pso.oepc_rmo.oepc.i [2024-11-16 23:24:08,672 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:24:08,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 278 error locations. [2024-11-16 23:24:08,672 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:24:09,199 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-16 23:24:09,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 416 places, 494 transitions, 1004 flow [2024-11-16 23:24:09,749 INFO L124 PetriNetUnfolderBase]: 91/490 cut-off events. [2024-11-16 23:24:09,750 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:24:09,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 503 conditions, 490 events. 91/490 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2338 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 455. Up to 2 conditions per place. [2024-11-16 23:24:09,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 416 places, 494 transitions, 1004 flow [2024-11-16 23:24:09,846 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 412 places, 490 transitions, 992 flow [2024-11-16 23:24:09,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:24:09,871 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;@2f518e64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:24:09,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 523 error locations. [2024-11-16 23:24:09,881 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:24:09,881 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-16 23:24:09,881 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:24:09,881 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:24:09,882 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] [2024-11-16 23:24:09,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err49ASSERT_VIOLATIONDATA_RACE === [P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE, P0Err46ASSERT_VIOLATIONDATA_RACE (and 519 more)] === [2024-11-16 23:24:09,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:24:09,891 INFO L85 PathProgramCache]: Analyzing trace with hash 927390014, now seen corresponding path program 1 times [2024-11-16 23:24:09,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:24:09,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131465698] [2024-11-16 23:24:09,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:24:09,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:24:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:24:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:24:10,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:24:10,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131465698] [2024-11-16 23:24:10,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131465698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:24:10,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:24:10,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-16 23:24:10,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666083788] [2024-11-16 23:24:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:24:10,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:24:10,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:24:10,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:24:10,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:24:10,216 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 494 [2024-11-16 23:24:10,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 412 places, 490 transitions, 992 flow. Second operand has 2 states, 2 states have (on average 104.0) internal successors, (208), 2 states have internal predecessors, (208), 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) [2024-11-16 23:24:10,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:24:10,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 494 [2024-11-16 23:24:10,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:24:37,816 INFO L124 PetriNetUnfolderBase]: 9906/23723 cut-off events. [2024-11-16 23:24:37,816 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-16 23:24:37,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36602 conditions, 23723 events. 9906/23723 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 879. Compared 260962 event pairs, 7720 based on Foata normal form. 1819/21917 useless extension candidates. Maximal degree in co-relation 36552. Up to 12562 conditions per place. [2024-11-16 23:24:38,041 INFO L140 encePairwiseOnDemand]: 131/494 looper letters, 27 selfloop transitions, 0 changer transitions 0/125 dead transitions. [2024-11-16 23:24:38,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 125 transitions, 316 flow [2024-11-16 23:24:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:24:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:24:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 596 transitions. [2024-11-16 23:24:38,064 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6032388663967612 [2024-11-16 23:24:38,069 INFO L175 Difference]: Start difference. First operand has 412 places, 490 transitions, 992 flow. Second operand 2 states and 596 transitions. [2024-11-16 23:24:38,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 125 transitions, 316 flow [2024-11-16 23:24:38,073 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 125 transitions, 312 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-16 23:24:38,076 INFO L231 Difference]: Finished difference. Result has 131 places, 125 transitions, 258 flow [2024-11-16 23:24:38,079 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=258, PETRI_PLACES=131, PETRI_TRANSITIONS=125} [2024-11-16 23:24:38,086 INFO L277 CegarLoopForPetriNet]: 412 programPoint places, -281 predicate places. [2024-11-16 23:24:38,086 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 125 transitions, 258 flow [2024-11-16 23:24:38,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 104.0) internal successors, (208), 2 states have internal predecessors, (208), 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) [2024-11-16 23:24:38,087 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:24:38,087 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] [2024-11-16 23:24:38,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:24:38,088 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE, P0Err46ASSERT_VIOLATIONDATA_RACE (and 519 more)] === [2024-11-16 23:24:38,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:24:38,088 INFO L85 PathProgramCache]: Analyzing trace with hash 101818270, now seen corresponding path program 1 times [2024-11-16 23:24:38,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:24:38,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536283065] [2024-11-16 23:24:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:24:38,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:24:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:24:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:24:38,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:24:38,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536283065] [2024-11-16 23:24:38,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536283065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:24:38,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:24:38,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:24:38,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793906360] [2024-11-16 23:24:38,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:24:38,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:24:38,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:24:38,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:24:38,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:24:38,278 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 494 [2024-11-16 23:24:38,279 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 125 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2024-11-16 23:24:38,280 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:24:38,280 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 494 [2024-11-16 23:24:38,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:25:13,478 INFO L124 PetriNetUnfolderBase]: 14656/33776 cut-off events. [2024-11-16 23:25:13,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:25:13,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52652 conditions, 33776 events. 14656/33776 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 855. Compared 364582 event pairs, 3720 based on Foata normal form. 0/28913 useless extension candidates. Maximal degree in co-relation 52649. Up to 12625 conditions per place. [2024-11-16 23:25:13,683 INFO L140 encePairwiseOnDemand]: 492/494 looper letters, 47 selfloop transitions, 1 changer transitions 0/143 dead transitions. [2024-11-16 23:25:13,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 143 transitions, 390 flow [2024-11-16 23:25:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:25:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:25:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 349 transitions. [2024-11-16 23:25:13,688 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23549257759784076 [2024-11-16 23:25:13,689 INFO L175 Difference]: Start difference. First operand has 131 places, 125 transitions, 258 flow. Second operand 3 states and 349 transitions. [2024-11-16 23:25:13,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 143 transitions, 390 flow [2024-11-16 23:25:13,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 132 places, 143 transitions, 390 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:25:13,693 INFO L231 Difference]: Finished difference. Result has 132 places, 124 transitions, 258 flow [2024-11-16 23:25:13,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=494, PETRI_DIFFERENCE_MINUEND_FLOW=256, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=258, PETRI_PLACES=132, PETRI_TRANSITIONS=124} [2024-11-16 23:25:13,694 INFO L277 CegarLoopForPetriNet]: 412 programPoint places, -280 predicate places. [2024-11-16 23:25:13,695 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 124 transitions, 258 flow [2024-11-16 23:25:13,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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) [2024-11-16 23:25:13,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:25:13,695 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] [2024-11-16 23:25:13,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:25:13,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err49ASSERT_VIOLATIONDATA_RACE, P0Err48ASSERT_VIOLATIONDATA_RACE, P0Err47ASSERT_VIOLATIONDATA_RACE, P0Err46ASSERT_VIOLATIONDATA_RACE (and 519 more)] === [2024-11-16 23:25:13,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:25:13,698 INFO L85 PathProgramCache]: Analyzing trace with hash 624427007, now seen corresponding path program 1 times [2024-11-16 23:25:13,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:25:13,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512794753] [2024-11-16 23:25:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:25:13,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:25:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:25:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:25:13,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:25:13,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512794753] [2024-11-16 23:25:13,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512794753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:25:13,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:25:13,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:25:13,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267120236] [2024-11-16 23:25:13,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:25:13,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:25:13,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:25:13,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:25:13,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:25:13,863 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 494 [2024-11-16 23:25:13,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 124 transitions, 258 flow. Second operand has 3 states, 3 states have (on average 103.0) internal successors, (309), 3 states have internal predecessors, (309), 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) [2024-11-16 23:25:13,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:25:13,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 494 [2024-11-16 23:25:13,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand