./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_ticketlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rec_ticketlock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:40:05,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:40:05,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:40:05,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:40:05,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:40:05,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:40:05,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:40:05,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:40:05,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:40:05,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:40:05,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:40:05,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:40:05,760 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:40:05,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:40:05,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:40:05,760 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:40:05,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:40:05,761 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:05,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:40:05,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:05,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:40:05,762 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef [2025-01-09 21:40:05,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:40:06,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:40:06,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:40:06,010 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:40:06,010 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:40:06,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_ticketlock.i [2025-01-09 21:40:07,174 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7bb1d4bd1/5e5ce92ad9b04f23b7239494e698a116/FLAG729b5841b [2025-01-09 21:40:07,640 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:40:07,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i [2025-01-09 21:40:07,686 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7bb1d4bd1/5e5ce92ad9b04f23b7239494e698a116/FLAG729b5841b [2025-01-09 21:40:07,702 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7bb1d4bd1/5e5ce92ad9b04f23b7239494e698a116 [2025-01-09 21:40:07,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:40:07,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:40:07,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:40:07,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:40:07,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:40:07,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:40:07" (1/1) ... [2025-01-09 21:40:07,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d23dccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:07, skipping insertion in model container [2025-01-09 21:40:07,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:40:07" (1/1) ... [2025-01-09 21:40:07,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:40:09,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:09,257 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:40:09,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-01-09 21:40:09,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-01-09 21:40:09,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-01-09 21:40:09,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-01-09 21:40:09,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-01-09 21:40:09,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-01-09 21:40:09,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-01-09 21:40:09,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-01-09 21:40:09,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-01-09 21:40:09,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-01-09 21:40:09,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-01-09 21:40:09,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-01-09 21:40:09,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-01-09 21:40:09,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-01-09 21:40:09,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-01-09 21:40:09,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-01-09 21:40:09,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-01-09 21:40:09,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-01-09 21:40:09,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-01-09 21:40:09,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-01-09 21:40:09,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-01-09 21:40:09,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-01-09 21:40:09,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-01-09 21:40:09,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-01-09 21:40:09,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-01-09 21:40:09,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-01-09 21:40:09,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-01-09 21:40:09,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-01-09 21:40:09,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-01-09 21:40:09,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-01-09 21:40:09,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-01-09 21:40:09,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-01-09 21:40:09,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-01-09 21:40:09,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-01-09 21:40:09,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-01-09 21:40:09,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-01-09 21:40:09,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-01-09 21:40:09,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-01-09 21:40:09,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-01-09 21:40:09,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-01-09 21:40:09,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-01-09 21:40:09,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-01-09 21:40:09,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-01-09 21:40:09,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-01-09 21:40:09,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-01-09 21:40:09,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-01-09 21:40:09,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-01-09 21:40:09,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-01-09 21:40:09,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-01-09 21:40:09,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-01-09 21:40:09,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-01-09 21:40:09,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-01-09 21:40:09,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-01-09 21:40:09,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-01-09 21:40:09,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-01-09 21:40:09,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-01-09 21:40:09,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-01-09 21:40:09,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-01-09 21:40:09,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-01-09 21:40:09,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-01-09 21:40:09,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-01-09 21:40:09,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-01-09 21:40:09,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-01-09 21:40:09,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-01-09 21:40:09,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-01-09 21:40:09,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-01-09 21:40:09,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-01-09 21:40:09,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-01-09 21:40:09,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-01-09 21:40:09,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-01-09 21:40:09,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-01-09 21:40:09,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-01-09 21:40:09,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-01-09 21:40:09,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-01-09 21:40:09,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-01-09 21:40:09,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-01-09 21:40:09,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-01-09 21:40:09,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-01-09 21:40:09,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-01-09 21:40:09,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-01-09 21:40:09,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-01-09 21:40:09,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-01-09 21:40:09,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-01-09 21:40:09,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-01-09 21:40:09,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-01-09 21:40:09,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-01-09 21:40:09,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-01-09 21:40:09,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-01-09 21:40:09,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-01-09 21:40:09,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-01-09 21:40:09,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-01-09 21:40:09,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-01-09 21:40:09,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-01-09 21:40:09,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-01-09 21:40:09,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-01-09 21:40:09,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-01-09 21:40:09,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-01-09 21:40:09,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-01-09 21:40:09,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-01-09 21:40:09,399 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-01-09 21:40:09,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:09,757 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:40:09,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09 WrapperNode [2025-01-09 21:40:09,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:40:09,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:09,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:40:09,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:40:09,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,841 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,892 INFO L138 Inliner]: procedures = 923, calls = 949, calls flagged for inlining = 838, calls inlined = 57, statements flattened = 634 [2025-01-09 21:40:09,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:09,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:40:09,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:40:09,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:40:09,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,919 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:40:09,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:40:09,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:40:09,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:40:09,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (1/1) ... [2025-01-09 21:40:09,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:09,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:40:09,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:40:09,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:40:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:40:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:40:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:40:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:40:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-01-09 21:40:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-01-09 21:40:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:40:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:40:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:40:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:40:09,995 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:40:10,125 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:40:10,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:40:10,829 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:40:10,830 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:40:10,957 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:40:10,957 INFO L312 CfgBuilder]: Removed 37 assume(true) statements. [2025-01-09 21:40:10,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:10 BoogieIcfgContainer [2025-01-09 21:40:10,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:40:10,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:40:10,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:40:10,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:40:10,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:40:07" (1/3) ... [2025-01-09 21:40:10,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6bd30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:10, skipping insertion in model container [2025-01-09 21:40:10,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:09" (2/3) ... [2025-01-09 21:40:10,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6bd30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:10, skipping insertion in model container [2025-01-09 21:40:10,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:10" (3/3) ... [2025-01-09 21:40:10,964 INFO L128 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2025-01-09 21:40:10,973 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:40:10,975 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rec_ticketlock.i that has 2 procedures, 659 locations, 1 initial locations, 42 loop locations, and 29 error locations. [2025-01-09 21:40:10,975 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:40:11,175 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:40:11,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 662 places, 753 transitions, 1513 flow [2025-01-09 21:40:11,361 INFO L124 PetriNetUnfolderBase]: 108/831 cut-off events. [2025-01-09 21:40:11,363 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:40:11,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 831 events. 108/831 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2728 event pairs, 0 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 709. Up to 6 conditions per place. [2025-01-09 21:40:11,381 INFO L82 GeneralOperation]: Start removeDead. Operand has 662 places, 753 transitions, 1513 flow [2025-01-09 21:40:11,393 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 662 places, 753 transitions, 1513 flow [2025-01-09 21:40:11,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:11,416 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;@65d7cb73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:11,416 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-01-09 21:40:11,424 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:11,425 INFO L124 PetriNetUnfolderBase]: 12/67 cut-off events. [2025-01-09 21:40:11,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:11,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:11,425 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:11,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:11,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash -70782807, now seen corresponding path program 1 times [2025-01-09 21:40:11,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:11,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475908244] [2025-01-09 21:40:11,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:11,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:11,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 21:40:11,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 21:40:11,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:11,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:11,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:11,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475908244] [2025-01-09 21:40:11,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475908244] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:11,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:11,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:11,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179460875] [2025-01-09 21:40:11,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:11,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:11,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:11,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:11,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:11,648 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 647 out of 753 [2025-01-09 21:40:11,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 753 transitions, 1513 flow. Second operand has 2 states, 2 states have (on average 647.5) internal successors, (1295), 2 states have internal predecessors, (1295), 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) [2025-01-09 21:40:11,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:11,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 647 of 753 [2025-01-09 21:40:11,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:11,884 INFO L124 PetriNetUnfolderBase]: 14/712 cut-off events. [2025-01-09 21:40:11,884 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:40:11,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 712 events. 14/712 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2283 event pairs, 0 based on Foata normal form. 225/893 useless extension candidates. Maximal degree in co-relation 625. Up to 14 conditions per place. [2025-01-09 21:40:11,890 INFO L140 encePairwiseOnDemand]: 660/753 looper letters, 13 selfloop transitions, 0 changer transitions 0/652 dead transitions. [2025-01-09 21:40:11,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 652 transitions, 1337 flow [2025-01-09 21:40:11,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1400 transitions. [2025-01-09 21:40:11,903 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9296148738379814 [2025-01-09 21:40:11,904 INFO L175 Difference]: Start difference. First operand has 662 places, 753 transitions, 1513 flow. Second operand 2 states and 1400 transitions. [2025-01-09 21:40:11,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 652 transitions, 1337 flow [2025-01-09 21:40:11,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 652 transitions, 1337 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:11,921 INFO L231 Difference]: Finished difference. Result has 642 places, 652 transitions, 1311 flow [2025-01-09 21:40:11,924 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=753, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1311, PETRI_PLACES=642, PETRI_TRANSITIONS=652} [2025-01-09 21:40:11,927 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -20 predicate places. [2025-01-09 21:40:11,927 INFO L471 AbstractCegarLoop]: Abstraction has has 642 places, 652 transitions, 1311 flow [2025-01-09 21:40:11,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 647.5) internal successors, (1295), 2 states have internal predecessors, (1295), 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) [2025-01-09 21:40:11,928 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:11,928 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:11,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:40:11,928 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:11,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:11,929 INFO L85 PathProgramCache]: Analyzing trace with hash 582598556, now seen corresponding path program 1 times [2025-01-09 21:40:11,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:11,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926455797] [2025-01-09 21:40:11,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:11,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:11,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 21:40:11,954 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 21:40:11,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:11,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:12,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:12,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926455797] [2025-01-09 21:40:12,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926455797] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:12,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:12,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:12,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720867163] [2025-01-09 21:40:12,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:12,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:12,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:12,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:12,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:13,226 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 600 out of 753 [2025-01-09 21:40:13,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 652 transitions, 1311 flow. Second operand has 6 states, 6 states have (on average 601.5) internal successors, (3609), 6 states have internal predecessors, (3609), 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) [2025-01-09 21:40:13,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:13,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 600 of 753 [2025-01-09 21:40:13,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:14,373 INFO L124 PetriNetUnfolderBase]: 997/8235 cut-off events. [2025-01-09 21:40:14,373 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:40:14,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9991 conditions, 8235 events. 997/8235 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 88110 event pairs, 351 based on Foata normal form. 0/7537 useless extension candidates. Maximal degree in co-relation 9987. Up to 1504 conditions per place. [2025-01-09 21:40:14,402 INFO L140 encePairwiseOnDemand]: 707/753 looper letters, 59 selfloop transitions, 162 changer transitions 0/813 dead transitions. [2025-01-09 21:40:14,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 813 transitions, 2075 flow [2025-01-09 21:40:14,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:40:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:40:14,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3822 transitions. [2025-01-09 21:40:14,410 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8459495351925631 [2025-01-09 21:40:14,410 INFO L175 Difference]: Start difference. First operand has 642 places, 652 transitions, 1311 flow. Second operand 6 states and 3822 transitions. [2025-01-09 21:40:14,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 813 transitions, 2075 flow [2025-01-09 21:40:14,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 813 transitions, 2075 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:14,423 INFO L231 Difference]: Finished difference. Result has 652 places, 813 transitions, 2371 flow [2025-01-09 21:40:14,424 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=753, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2371, PETRI_PLACES=652, PETRI_TRANSITIONS=813} [2025-01-09 21:40:14,425 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -10 predicate places. [2025-01-09 21:40:14,425 INFO L471 AbstractCegarLoop]: Abstraction has has 652 places, 813 transitions, 2371 flow [2025-01-09 21:40:14,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 601.5) internal successors, (3609), 6 states have internal predecessors, (3609), 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) [2025-01-09 21:40:14,427 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:14,427 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:14,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:40:14,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:14,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:14,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1211183716, now seen corresponding path program 1 times [2025-01-09 21:40:14,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:14,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11424195] [2025-01-09 21:40:14,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:14,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:14,434 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 21:40:14,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 21:40:14,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:14,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:14,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:14,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:14,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11424195] [2025-01-09 21:40:14,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11424195] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:14,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:14,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:14,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372206155] [2025-01-09 21:40:14,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:14,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:14,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:14,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:14,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:14,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 637 out of 753 [2025-01-09 21:40:14,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 813 transitions, 2371 flow. Second operand has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 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) [2025-01-09 21:40:14,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:14,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 637 of 753 [2025-01-09 21:40:14,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:15,225 INFO L124 PetriNetUnfolderBase]: 590/7190 cut-off events. [2025-01-09 21:40:15,225 INFO L125 PetriNetUnfolderBase]: For 619/880 co-relation queries the response was YES. [2025-01-09 21:40:15,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9122 conditions, 7190 events. 590/7190 cut-off events. For 619/880 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 67794 event pairs, 28 based on Foata normal form. 47/6802 useless extension candidates. Maximal degree in co-relation 9113. Up to 721 conditions per place. [2025-01-09 21:40:15,253 INFO L140 encePairwiseOnDemand]: 744/753 looper letters, 76 selfloop transitions, 6 changer transitions 0/828 dead transitions. [2025-01-09 21:40:15,253 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 828 transitions, 2587 flow [2025-01-09 21:40:15,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:15,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1952 transitions. [2025-01-09 21:40:15,258 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8640991589198761 [2025-01-09 21:40:15,258 INFO L175 Difference]: Start difference. First operand has 652 places, 813 transitions, 2371 flow. Second operand 3 states and 1952 transitions. [2025-01-09 21:40:15,258 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 828 transitions, 2587 flow [2025-01-09 21:40:15,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 828 transitions, 2587 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:15,272 INFO L231 Difference]: Finished difference. Result has 655 places, 817 transitions, 2417 flow [2025-01-09 21:40:15,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=753, PETRI_DIFFERENCE_MINUEND_FLOW=2369, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=812, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=806, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2417, PETRI_PLACES=655, PETRI_TRANSITIONS=817} [2025-01-09 21:40:15,274 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -7 predicate places. [2025-01-09 21:40:15,274 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 817 transitions, 2417 flow [2025-01-09 21:40:15,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 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) [2025-01-09 21:40:15,275 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:15,275 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:15,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:40:15,275 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:15,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:15,276 INFO L85 PathProgramCache]: Analyzing trace with hash 11479720, now seen corresponding path program 1 times [2025-01-09 21:40:15,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:15,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324813346] [2025-01-09 21:40:15,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:15,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:15,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-09 21:40:15,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-09 21:40:15,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:15,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:15,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:15,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324813346] [2025-01-09 21:40:15,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324813346] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:15,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:15,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:15,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232237338] [2025-01-09 21:40:15,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:15,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:15,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:15,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:15,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:15,310 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 640 out of 753 [2025-01-09 21:40:15,312 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 817 transitions, 2417 flow. Second operand has 3 states, 3 states have (on average 640.6666666666666) internal successors, (1922), 3 states have internal predecessors, (1922), 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) [2025-01-09 21:40:15,313 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:15,313 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 640 of 753 [2025-01-09 21:40:15,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:16,195 INFO L124 PetriNetUnfolderBase]: 673/10108 cut-off events. [2025-01-09 21:40:16,195 INFO L125 PetriNetUnfolderBase]: For 708/819 co-relation queries the response was YES. [2025-01-09 21:40:16,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12431 conditions, 10108 events. 673/10108 cut-off events. For 708/819 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 101787 event pairs, 48 based on Foata normal form. 15/9574 useless extension candidates. Maximal degree in co-relation 12420. Up to 907 conditions per place. [2025-01-09 21:40:16,228 INFO L140 encePairwiseOnDemand]: 747/753 looper letters, 73 selfloop transitions, 4 changer transitions 0/830 dead transitions. [2025-01-09 21:40:16,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 830 transitions, 2619 flow [2025-01-09 21:40:16,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:16,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1955 transitions. [2025-01-09 21:40:16,235 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8654271801682161 [2025-01-09 21:40:16,235 INFO L175 Difference]: Start difference. First operand has 655 places, 817 transitions, 2417 flow. Second operand 3 states and 1955 transitions. [2025-01-09 21:40:16,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 830 transitions, 2619 flow [2025-01-09 21:40:16,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 830 transitions, 2607 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:40:16,248 INFO L231 Difference]: Finished difference. Result has 656 places, 819 transitions, 2433 flow [2025-01-09 21:40:16,249 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=753, PETRI_DIFFERENCE_MINUEND_FLOW=2403, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=816, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=812, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2433, PETRI_PLACES=656, PETRI_TRANSITIONS=819} [2025-01-09 21:40:16,250 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -6 predicate places. [2025-01-09 21:40:16,250 INFO L471 AbstractCegarLoop]: Abstraction has has 656 places, 819 transitions, 2433 flow [2025-01-09 21:40:16,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 640.6666666666666) internal successors, (1922), 3 states have internal predecessors, (1922), 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) [2025-01-09 21:40:16,251 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:16,251 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:16,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:40:16,251 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:16,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:16,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1550754263, now seen corresponding path program 1 times [2025-01-09 21:40:16,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:16,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361855438] [2025-01-09 21:40:16,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:16,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:16,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-09 21:40:16,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-09 21:40:16,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:16,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:16,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:16,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:16,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361855438] [2025-01-09 21:40:16,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361855438] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:16,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:16,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:40:16,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228613455] [2025-01-09 21:40:16,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:16,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:16,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:16,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:16,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:16,349 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 641 out of 753 [2025-01-09 21:40:16,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 819 transitions, 2433 flow. Second operand has 3 states, 3 states have (on average 642.3333333333334) internal successors, (1927), 3 states have internal predecessors, (1927), 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) [2025-01-09 21:40:16,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:16,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 641 of 753 [2025-01-09 21:40:16,352 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:17,319 INFO L124 PetriNetUnfolderBase]: 644/9699 cut-off events. [2025-01-09 21:40:17,319 INFO L125 PetriNetUnfolderBase]: For 700/979 co-relation queries the response was YES. [2025-01-09 21:40:17,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12019 conditions, 9699 events. 644/9699 cut-off events. For 700/979 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 97495 event pairs, 34 based on Foata normal form. 50/9229 useless extension candidates. Maximal degree in co-relation 12007. Up to 880 conditions per place. [2025-01-09 21:40:17,368 INFO L140 encePairwiseOnDemand]: 750/753 looper letters, 74 selfloop transitions, 2 changer transitions 0/832 dead transitions. [2025-01-09 21:40:17,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 832 transitions, 2641 flow [2025-01-09 21:40:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1954 transitions. [2025-01-09 21:40:17,372 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8649845064187693 [2025-01-09 21:40:17,372 INFO L175 Difference]: Start difference. First operand has 656 places, 819 transitions, 2433 flow. Second operand 3 states and 1954 transitions. [2025-01-09 21:40:17,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 832 transitions, 2641 flow [2025-01-09 21:40:17,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 832 transitions, 2633 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:40:17,387 INFO L231 Difference]: Finished difference. Result has 657 places, 819 transitions, 2433 flow [2025-01-09 21:40:17,388 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=753, PETRI_DIFFERENCE_MINUEND_FLOW=2425, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=819, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2433, PETRI_PLACES=657, PETRI_TRANSITIONS=819} [2025-01-09 21:40:17,388 INFO L279 CegarLoopForPetriNet]: 662 programPoint places, -5 predicate places. [2025-01-09 21:40:17,388 INFO L471 AbstractCegarLoop]: Abstraction has has 657 places, 819 transitions, 2433 flow [2025-01-09 21:40:17,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 642.3333333333334) internal successors, (1927), 3 states have internal predecessors, (1927), 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) [2025-01-09 21:40:17,390 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:17,390 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:17,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:40:17,390 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:17,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:17,390 INFO L85 PathProgramCache]: Analyzing trace with hash -1453856659, now seen corresponding path program 1 times [2025-01-09 21:40:17,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:17,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869578005] [2025-01-09 21:40:17,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:17,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:17,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-09 21:40:17,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-09 21:40:17,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:17,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:17,414 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 21:40:17,422 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-09 21:40:17,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-09 21:40:17,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:17,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:17,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 21:40:17,459 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 21:40:17,460 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2025-01-09 21:40:17,462 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-01-09 21:40:17,463 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-01-09 21:40:17,464 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-01-09 21:40:17,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-01-09 21:40:17,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-01-09 21:40:17,465 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-01-09 21:40:17,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:40:17,465 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 21:40:17,467 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 21:40:17,467 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-01-09 21:40:17,642 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:40:17,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1217 places, 1380 transitions, 2776 flow [2025-01-09 21:40:18,007 INFO L124 PetriNetUnfolderBase]: 205/1600 cut-off events. [2025-01-09 21:40:18,007 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:40:18,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1612 conditions, 1600 events. 205/1600 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7937 event pairs, 0 based on Foata normal form. 0/1324 useless extension candidates. Maximal degree in co-relation 1388. Up to 12 conditions per place. [2025-01-09 21:40:18,073 INFO L82 GeneralOperation]: Start removeDead. Operand has 1217 places, 1380 transitions, 2776 flow [2025-01-09 21:40:18,100 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1217 places, 1380 transitions, 2776 flow [2025-01-09 21:40:18,101 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:18,102 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;@65d7cb73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:18,102 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2025-01-09 21:40:18,105 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:18,106 INFO L124 PetriNetUnfolderBase]: 12/67 cut-off events. [2025-01-09 21:40:18,106 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:18,106 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:18,106 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:18,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2025-01-09 21:40:18,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2023757069, now seen corresponding path program 1 times [2025-01-09 21:40:18,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:18,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151431917] [2025-01-09 21:40:18,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:18,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-09 21:40:18,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-09 21:40:18,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:18,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:18,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:18,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151431917] [2025-01-09 21:40:18,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151431917] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:18,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:18,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:18,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986343043] [2025-01-09 21:40:18,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:18,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:18,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:18,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:18,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:18,131 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1188 out of 1380 [2025-01-09 21:40:18,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1217 places, 1380 transitions, 2776 flow. Second operand has 2 states, 2 states have (on average 1188.5) internal successors, (2377), 2 states have internal predecessors, (2377), 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) [2025-01-09 21:40:18,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:18,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1188 of 1380 [2025-01-09 21:40:18,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:19,581 INFO L124 PetriNetUnfolderBase]: 326/9206 cut-off events. [2025-01-09 21:40:19,582 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2025-01-09 21:40:19,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9610 conditions, 9206 events. 326/9206 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 96600 event pairs, 154 based on Foata normal form. 3568/12132 useless extension candidates. Maximal degree in co-relation 1377. Up to 337 conditions per place. [2025-01-09 21:40:19,687 INFO L140 encePairwiseOnDemand]: 1214/1380 looper letters, 26 selfloop transitions, 0 changer transitions 0/1202 dead transitions. [2025-01-09 21:40:19,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1180 places, 1202 transitions, 2472 flow [2025-01-09 21:40:19,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2568 transitions. [2025-01-09 21:40:19,692 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9304347826086956 [2025-01-09 21:40:19,692 INFO L175 Difference]: Start difference. First operand has 1217 places, 1380 transitions, 2776 flow. Second operand 2 states and 2568 transitions. [2025-01-09 21:40:19,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1180 places, 1202 transitions, 2472 flow [2025-01-09 21:40:19,696 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1180 places, 1202 transitions, 2472 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:19,703 INFO L231 Difference]: Finished difference. Result has 1180 places, 1202 transitions, 2420 flow [2025-01-09 21:40:19,705 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1380, PETRI_DIFFERENCE_MINUEND_FLOW=2420, PETRI_DIFFERENCE_MINUEND_PLACES=1179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2420, PETRI_PLACES=1180, PETRI_TRANSITIONS=1202} [2025-01-09 21:40:19,705 INFO L279 CegarLoopForPetriNet]: 1217 programPoint places, -37 predicate places. [2025-01-09 21:40:19,706 INFO L471 AbstractCegarLoop]: Abstraction has has 1180 places, 1202 transitions, 2420 flow [2025-01-09 21:40:19,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1188.5) internal successors, (2377), 2 states have internal predecessors, (2377), 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) [2025-01-09 21:40:19,707 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:19,707 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:19,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:40:19,707 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2025-01-09 21:40:19,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:19,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1995000576, now seen corresponding path program 1 times [2025-01-09 21:40:19,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:19,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103277301] [2025-01-09 21:40:19,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:19,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:19,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-01-09 21:40:19,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-01-09 21:40:19,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:19,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:20,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:20,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103277301] [2025-01-09 21:40:20,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103277301] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:20,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:20,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:20,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341432196] [2025-01-09 21:40:20,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:20,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:20,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:20,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:20,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:20,526 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1113 out of 1380 [2025-01-09 21:40:20,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1180 places, 1202 transitions, 2420 flow. Second operand has 6 states, 6 states have (on average 1114.5) internal successors, (6687), 6 states have internal predecessors, (6687), 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) [2025-01-09 21:40:20,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:20,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1113 of 1380 [2025-01-09 21:40:20,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand