./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 c00e63dc 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-?-c00e63d-m [2025-02-06 09:38:30,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:38:30,132 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:38:30,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:38:30,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:38:30,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:38:30,169 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:38:30,169 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:38:30,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:38:30,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:38:30,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:38:30,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:38:30,171 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:38:30,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:38:30,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:38:30,172 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:38:30,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:38:30,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:38:30,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:38:30,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:38:30,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:38:30,173 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:38:30,173 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:38:30,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:38:30,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:30,174 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:38:30,174 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:38:30,174 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:38:30,174 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:38:30,174 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:38:30,174 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:38:30,175 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:38:30,175 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:38:30,175 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:38:30,175 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:38:30,175 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 [2025-02-06 09:38:30,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:38:30,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:38:30,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:38:30,454 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:38:30,454 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:38:30,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_ticketlock.i [2025-02-06 09:38:31,737 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b026839c1/febc9bffd8ee494eb861771cbd24b9c1/FLAGe492bbd3f [2025-02-06 09:38:32,341 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:38:32,343 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i [2025-02-06 09:38:32,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b026839c1/febc9bffd8ee494eb861771cbd24b9c1/FLAGe492bbd3f [2025-02-06 09:38:32,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b026839c1/febc9bffd8ee494eb861771cbd24b9c1 [2025-02-06 09:38:32,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:38:32,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:38:32,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:32,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:38:32,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:38:32,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:32" (1/1) ... [2025-02-06 09:38:32,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6174b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:32, skipping insertion in model container [2025-02-06 09:38:32,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:32" (1/1) ... [2025-02-06 09:38:32,910 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:38:34,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:34,647 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:38:34,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-02-06 09:38:34,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-02-06 09:38:34,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-02-06 09:38:34,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-02-06 09:38:34,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-02-06 09:38:34,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-02-06 09:38:34,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-02-06 09:38:34,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-02-06 09:38:34,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-02-06 09:38:34,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-02-06 09:38:34,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-02-06 09:38:34,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-02-06 09:38:34,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-02-06 09:38:34,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-02-06 09:38:34,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-02-06 09:38:34,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-02-06 09:38:34,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-02-06 09:38:34,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-02-06 09:38:34,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-02-06 09:38:34,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-02-06 09:38:34,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-02-06 09:38:34,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-02-06 09:38:34,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-02-06 09:38:34,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-02-06 09:38:34,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-02-06 09:38:34,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-02-06 09:38:34,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-02-06 09:38:34,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-02-06 09:38:34,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-02-06 09:38:34,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-02-06 09:38:34,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-02-06 09:38:34,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-02-06 09:38:34,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-02-06 09:38:34,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-02-06 09:38:34,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-02-06 09:38:34,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-02-06 09:38:34,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-02-06 09:38:34,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-02-06 09:38:34,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-02-06 09:38:34,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-02-06 09:38:34,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-02-06 09:38:34,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-02-06 09:38:34,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-02-06 09:38:34,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-02-06 09:38:34,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-02-06 09:38:34,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-02-06 09:38:34,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-02-06 09:38:34,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-02-06 09:38:34,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-02-06 09:38:34,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-02-06 09:38:34,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-02-06 09:38:34,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-02-06 09:38:34,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-02-06 09:38:34,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-02-06 09:38:34,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-02-06 09:38:34,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-02-06 09:38:34,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-02-06 09:38:34,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-02-06 09:38:34,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-02-06 09:38:34,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-02-06 09:38:34,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-02-06 09:38:34,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-02-06 09:38:34,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-02-06 09:38:34,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-02-06 09:38:34,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-02-06 09:38:34,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-02-06 09:38:34,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-02-06 09:38:34,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-02-06 09:38:34,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-02-06 09:38:34,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-02-06 09:38:34,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-02-06 09:38:34,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-02-06 09:38:34,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-02-06 09:38:34,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-02-06 09:38:34,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-02-06 09:38:34,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-02-06 09:38:34,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-02-06 09:38:34,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-02-06 09:38:34,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-02-06 09:38:34,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-02-06 09:38:34,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-02-06 09:38:34,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-02-06 09:38:34,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-02-06 09:38:34,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-02-06 09:38:34,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-02-06 09:38:34,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-02-06 09:38:34,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-02-06 09:38:34,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-02-06 09:38:34,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-02-06 09:38:34,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-02-06 09:38:34,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-02-06 09:38:34,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-02-06 09:38:34,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-02-06 09:38:34,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-02-06 09:38:34,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-02-06 09:38:34,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-02-06 09:38:34,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-02-06 09:38:34,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-02-06 09:38:34,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-02-06 09:38:34,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-02-06 09:38:34,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:35,109 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:38:35,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35 WrapperNode [2025-02-06 09:38:35,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:35,111 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:35,111 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:38:35,111 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:38:35,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,282 INFO L138 Inliner]: procedures = 923, calls = 949, calls flagged for inlining = 838, calls inlined = 57, statements flattened = 634 [2025-02-06 09:38:35,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:35,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:38:35,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:38:35,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:38:35,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,348 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:38:35,361 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:38:35,361 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:38:35,361 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:38:35,362 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (1/1) ... [2025-02-06 09:38:35,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:38:35,393 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) [2025-02-06 09:38:35,398 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 [2025-02-06 09:38:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:38:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:38:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:38:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:38:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-02-06 09:38:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-02-06 09:38:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:38:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:38:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:38:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:38:35,422 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:38:35,611 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:38:35,613 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:38:35,853 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6013: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-06 09:38:35,854 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6013-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-06 09:38:36,465 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-06 09:38:36,466 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-06 09:38:36,466 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-06 09:38:36,466 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2025-02-06 09:38:36,466 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285: havoc vatomic32_await_eq_acq_#t~ret174#1; [2025-02-06 09:38:36,466 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2025-02-06 09:38:36,466 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516: havoc vatomic32_get_inc_#t~ret620#1; [2025-02-06 09:38:36,466 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115: havoc vatomic32_get_inc_rlx_#t~ret156#1; [2025-02-06 09:38:36,468 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:38:36,468 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:38:36,632 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:38:36,632 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:38:36,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:38:36 BoogieIcfgContainer [2025-02-06 09:38:36,633 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:38:36,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:38:36,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:38:36,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:38:36,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:38:32" (1/3) ... [2025-02-06 09:38:36,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4547201d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:38:36, skipping insertion in model container [2025-02-06 09:38:36,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:35" (2/3) ... [2025-02-06 09:38:36,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4547201d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:38:36, skipping insertion in model container [2025-02-06 09:38:36,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:38:36" (3/3) ... [2025-02-06 09:38:36,641 INFO L128 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2025-02-06 09:38:36,656 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:38:36,657 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rec_ticketlock.i that has 2 procedures, 672 locations, 1 initial locations, 42 loop locations, and 29 error locations. [2025-02-06 09:38:36,658 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:38:36,899 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 09:38:36,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 675 places, 766 transitions, 1539 flow [2025-02-06 09:38:37,247 INFO L124 PetriNetUnfolderBase]: 108/845 cut-off events. [2025-02-06 09:38:37,250 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:38:37,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 845 events. 108/845 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2871 event pairs, 0 based on Foata normal form. 0/700 useless extension candidates. Maximal degree in co-relation 721. Up to 6 conditions per place. [2025-02-06 09:38:37,285 INFO L82 GeneralOperation]: Start removeDead. Operand has 675 places, 766 transitions, 1539 flow [2025-02-06 09:38:37,304 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 675 places, 766 transitions, 1539 flow [2025-02-06 09:38:37,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:37,327 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;@763ce033, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:37,327 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-02-06 09:38:37,338 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:37,338 INFO L124 PetriNetUnfolderBase]: 12/68 cut-off events. [2025-02-06 09:38:37,339 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:37,339 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:37,339 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] [2025-02-06 09:38:37,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-02-06 09:38:37,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:37,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1339440194, now seen corresponding path program 1 times [2025-02-06 09:38:37,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:37,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412458108] [2025-02-06 09:38:37,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:37,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:37,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 09:38:37,459 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 09:38:37,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:37,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:37,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:37,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412458108] [2025-02-06 09:38:37,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412458108] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:37,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:37,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:37,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646478316] [2025-02-06 09:38:37,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:37,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:37,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:37,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:37,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:37,604 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 660 out of 766 [2025-02-06 09:38:37,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 675 places, 766 transitions, 1539 flow. Second operand has 2 states, 2 states have (on average 660.5) internal successors, (1321), 2 states have internal predecessors, (1321), 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) [2025-02-06 09:38:37,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:37,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 660 of 766 [2025-02-06 09:38:37,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:37,904 INFO L124 PetriNetUnfolderBase]: 14/726 cut-off events. [2025-02-06 09:38:37,904 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:38:37,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 745 conditions, 726 events. 14/726 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2334 event pairs, 0 based on Foata normal form. 248/930 useless extension candidates. Maximal degree in co-relation 637. Up to 14 conditions per place. [2025-02-06 09:38:37,914 INFO L140 encePairwiseOnDemand]: 673/766 looper letters, 13 selfloop transitions, 0 changer transitions 0/665 dead transitions. [2025-02-06 09:38:37,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 655 places, 665 transitions, 1363 flow [2025-02-06 09:38:37,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1426 transitions. [2025-02-06 09:38:37,941 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9308093994778068 [2025-02-06 09:38:37,946 INFO L175 Difference]: Start difference. First operand has 675 places, 766 transitions, 1539 flow. Second operand 2 states and 1426 transitions. [2025-02-06 09:38:37,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 655 places, 665 transitions, 1363 flow [2025-02-06 09:38:37,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 655 places, 665 transitions, 1363 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:37,977 INFO L231 Difference]: Finished difference. Result has 655 places, 665 transitions, 1337 flow [2025-02-06 09:38:37,980 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=766, PETRI_DIFFERENCE_MINUEND_FLOW=1337, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=665, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=665, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1337, PETRI_PLACES=655, PETRI_TRANSITIONS=665} [2025-02-06 09:38:37,984 INFO L279 CegarLoopForPetriNet]: 675 programPoint places, -20 predicate places. [2025-02-06 09:38:37,986 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 665 transitions, 1337 flow [2025-02-06 09:38:37,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 660.5) internal successors, (1321), 2 states have internal predecessors, (1321), 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) [2025-02-06 09:38:37,988 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:37,989 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] [2025-02-06 09:38:37,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:38:37,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-02-06 09:38:37,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:37,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1371625523, now seen corresponding path program 1 times [2025-02-06 09:38:37,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:37,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029323587] [2025-02-06 09:38:37,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:37,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:38,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 09:38:38,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 09:38:38,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:38,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:39,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:39,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:39,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029323587] [2025-02-06 09:38:39,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029323587] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:39,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:39,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:39,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981457358] [2025-02-06 09:38:39,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:39,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:39,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:39,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:39,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:39,547 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 613 out of 766 [2025-02-06 09:38:39,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 665 transitions, 1337 flow. Second operand has 6 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 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) [2025-02-06 09:38:39,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:39,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 613 of 766 [2025-02-06 09:38:39,552 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:41,196 INFO L124 PetriNetUnfolderBase]: 1004/8573 cut-off events. [2025-02-06 09:38:41,196 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:38:41,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10331 conditions, 8573 events. 1004/8573 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 93213 event pairs, 387 based on Foata normal form. 0/7862 useless extension candidates. Maximal degree in co-relation 10327. Up to 1506 conditions per place. [2025-02-06 09:38:41,242 INFO L140 encePairwiseOnDemand]: 720/766 looper letters, 59 selfloop transitions, 162 changer transitions 0/826 dead transitions. [2025-02-06 09:38:41,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 826 transitions, 2101 flow [2025-02-06 09:38:41,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:38:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:38:41,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3900 transitions. [2025-02-06 09:38:41,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8485639686684073 [2025-02-06 09:38:41,253 INFO L175 Difference]: Start difference. First operand has 655 places, 665 transitions, 1337 flow. Second operand 6 states and 3900 transitions. [2025-02-06 09:38:41,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 826 transitions, 2101 flow [2025-02-06 09:38:41,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 826 transitions, 2101 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:41,271 INFO L231 Difference]: Finished difference. Result has 665 places, 826 transitions, 2397 flow [2025-02-06 09:38:41,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=766, PETRI_DIFFERENCE_MINUEND_FLOW=1337, PETRI_DIFFERENCE_MINUEND_PLACES=655, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=665, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=620, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2397, PETRI_PLACES=665, PETRI_TRANSITIONS=826} [2025-02-06 09:38:41,273 INFO L279 CegarLoopForPetriNet]: 675 programPoint places, -10 predicate places. [2025-02-06 09:38:41,273 INFO L471 AbstractCegarLoop]: Abstraction has has 665 places, 826 transitions, 2397 flow [2025-02-06 09:38:41,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 614.5) internal successors, (3687), 6 states have internal predecessors, (3687), 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) [2025-02-06 09:38:41,276 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:41,276 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:41,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:38:41,277 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-02-06 09:38:41,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1126222643, now seen corresponding path program 1 times [2025-02-06 09:38:41,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:41,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664525906] [2025-02-06 09:38:41,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:41,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:41,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 09:38:41,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 09:38:41,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:41,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:41,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:41,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664525906] [2025-02-06 09:38:41,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664525906] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:41,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:41,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:41,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462723974] [2025-02-06 09:38:41,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:41,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:38:41,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:41,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:38:41,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:38:41,351 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 650 out of 766 [2025-02-06 09:38:41,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 665 places, 826 transitions, 2397 flow. Second operand has 3 states, 3 states have (on average 650.6666666666666) internal successors, (1952), 3 states have internal predecessors, (1952), 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) [2025-02-06 09:38:41,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:41,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 650 of 766 [2025-02-06 09:38:41,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:42,374 INFO L124 PetriNetUnfolderBase]: 609/7313 cut-off events. [2025-02-06 09:38:42,375 INFO L125 PetriNetUnfolderBase]: For 633/899 co-relation queries the response was YES. [2025-02-06 09:38:42,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9250 conditions, 7313 events. 609/7313 cut-off events. For 633/899 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 68844 event pairs, 28 based on Foata normal form. 47/6927 useless extension candidates. Maximal degree in co-relation 9241. Up to 721 conditions per place. [2025-02-06 09:38:42,425 INFO L140 encePairwiseOnDemand]: 757/766 looper letters, 76 selfloop transitions, 6 changer transitions 0/841 dead transitions. [2025-02-06 09:38:42,425 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 666 places, 841 transitions, 2613 flow [2025-02-06 09:38:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:38:42,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:38:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1991 transitions. [2025-02-06 09:38:42,431 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8664055700609226 [2025-02-06 09:38:42,434 INFO L175 Difference]: Start difference. First operand has 665 places, 826 transitions, 2397 flow. Second operand 3 states and 1991 transitions. [2025-02-06 09:38:42,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 666 places, 841 transitions, 2613 flow [2025-02-06 09:38:42,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 666 places, 841 transitions, 2613 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:42,464 INFO L231 Difference]: Finished difference. Result has 668 places, 830 transitions, 2443 flow [2025-02-06 09:38:42,465 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=766, PETRI_DIFFERENCE_MINUEND_FLOW=2395, PETRI_DIFFERENCE_MINUEND_PLACES=664, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=825, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=819, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2443, PETRI_PLACES=668, PETRI_TRANSITIONS=830} [2025-02-06 09:38:42,465 INFO L279 CegarLoopForPetriNet]: 675 programPoint places, -7 predicate places. [2025-02-06 09:38:42,466 INFO L471 AbstractCegarLoop]: Abstraction has has 668 places, 830 transitions, 2443 flow [2025-02-06 09:38:42,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 650.6666666666666) internal successors, (1952), 3 states have internal predecessors, (1952), 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) [2025-02-06 09:38:42,467 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:42,467 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:42,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:38:42,467 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-02-06 09:38:42,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:42,468 INFO L85 PathProgramCache]: Analyzing trace with hash -31766132, now seen corresponding path program 1 times [2025-02-06 09:38:42,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:42,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143459504] [2025-02-06 09:38:42,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:42,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:42,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 09:38:42,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 09:38:42,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:42,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:42,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143459504] [2025-02-06 09:38:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143459504] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:42,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:42,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754013878] [2025-02-06 09:38:42,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:42,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:38:42,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:42,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:38:42,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:38:42,514 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 766 [2025-02-06 09:38:42,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 668 places, 830 transitions, 2443 flow. Second operand has 3 states, 3 states have (on average 653.6666666666666) internal successors, (1961), 3 states have internal predecessors, (1961), 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) [2025-02-06 09:38:42,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:42,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 766 [2025-02-06 09:38:42,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:43,825 INFO L124 PetriNetUnfolderBase]: 692/10283 cut-off events. [2025-02-06 09:38:43,826 INFO L125 PetriNetUnfolderBase]: For 722/846 co-relation queries the response was YES. [2025-02-06 09:38:43,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12611 conditions, 10283 events. 692/10283 cut-off events. For 722/846 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 103485 event pairs, 48 based on Foata normal form. 15/9749 useless extension candidates. Maximal degree in co-relation 12600. Up to 907 conditions per place. [2025-02-06 09:38:43,870 INFO L140 encePairwiseOnDemand]: 760/766 looper letters, 73 selfloop transitions, 4 changer transitions 0/843 dead transitions. [2025-02-06 09:38:43,870 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 669 places, 843 transitions, 2645 flow [2025-02-06 09:38:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:38:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:38:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1994 transitions. [2025-02-06 09:38:43,875 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8677110530896431 [2025-02-06 09:38:43,875 INFO L175 Difference]: Start difference. First operand has 668 places, 830 transitions, 2443 flow. Second operand 3 states and 1994 transitions. [2025-02-06 09:38:43,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 669 places, 843 transitions, 2645 flow [2025-02-06 09:38:43,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 667 places, 843 transitions, 2633 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:38:43,897 INFO L231 Difference]: Finished difference. Result has 669 places, 832 transitions, 2459 flow [2025-02-06 09:38:43,898 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=766, PETRI_DIFFERENCE_MINUEND_FLOW=2429, PETRI_DIFFERENCE_MINUEND_PLACES=665, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=829, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=825, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2459, PETRI_PLACES=669, PETRI_TRANSITIONS=832} [2025-02-06 09:38:43,899 INFO L279 CegarLoopForPetriNet]: 675 programPoint places, -6 predicate places. [2025-02-06 09:38:43,899 INFO L471 AbstractCegarLoop]: Abstraction has has 669 places, 832 transitions, 2459 flow [2025-02-06 09:38:43,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 653.6666666666666) internal successors, (1961), 3 states have internal predecessors, (1961), 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) [2025-02-06 09:38:43,900 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:43,900 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:43,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:38:43,901 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-02-06 09:38:43,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1972862587, now seen corresponding path program 1 times [2025-02-06 09:38:43,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:43,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447871898] [2025-02-06 09:38:43,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:43,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:43,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 09:38:43,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 09:38:43,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:43,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:43,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:43,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447871898] [2025-02-06 09:38:43,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447871898] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:43,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:43,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:38:43,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794598467] [2025-02-06 09:38:43,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:43,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:38:43,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:43,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:38:43,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:38:44,022 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 654 out of 766 [2025-02-06 09:38:44,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 669 places, 832 transitions, 2459 flow. Second operand has 3 states, 3 states have (on average 655.3333333333334) internal successors, (1966), 3 states have internal predecessors, (1966), 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) [2025-02-06 09:38:44,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:44,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 654 of 766 [2025-02-06 09:38:44,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:45,227 INFO L124 PetriNetUnfolderBase]: 681/10315 cut-off events. [2025-02-06 09:38:45,227 INFO L125 PetriNetUnfolderBase]: For 744/1007 co-relation queries the response was YES. [2025-02-06 09:38:45,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12701 conditions, 10315 events. 681/10315 cut-off events. For 744/1007 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 104603 event pairs, 58 based on Foata normal form. 18/9784 useless extension candidates. Maximal degree in co-relation 12689. Up to 917 conditions per place. [2025-02-06 09:38:45,275 INFO L140 encePairwiseOnDemand]: 763/766 looper letters, 74 selfloop transitions, 2 changer transitions 0/845 dead transitions. [2025-02-06 09:38:45,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 845 transitions, 2667 flow [2025-02-06 09:38:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:38:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:38:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1993 transitions. [2025-02-06 09:38:45,280 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8672758920800696 [2025-02-06 09:38:45,280 INFO L175 Difference]: Start difference. First operand has 669 places, 832 transitions, 2459 flow. Second operand 3 states and 1993 transitions. [2025-02-06 09:38:45,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 845 transitions, 2667 flow [2025-02-06 09:38:45,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 669 places, 845 transitions, 2659 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:38:45,378 INFO L231 Difference]: Finished difference. Result has 670 places, 832 transitions, 2459 flow [2025-02-06 09:38:45,379 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=766, PETRI_DIFFERENCE_MINUEND_FLOW=2451, PETRI_DIFFERENCE_MINUEND_PLACES=667, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=832, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=830, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2459, PETRI_PLACES=670, PETRI_TRANSITIONS=832} [2025-02-06 09:38:45,380 INFO L279 CegarLoopForPetriNet]: 675 programPoint places, -5 predicate places. [2025-02-06 09:38:45,380 INFO L471 AbstractCegarLoop]: Abstraction has has 670 places, 832 transitions, 2459 flow [2025-02-06 09:38:45,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 655.3333333333334) internal successors, (1966), 3 states have internal predecessors, (1966), 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) [2025-02-06 09:38:45,381 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:45,381 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, 1] [2025-02-06 09:38:45,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:38:45,382 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-02-06 09:38:45,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:45,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1886280882, now seen corresponding path program 1 times [2025-02-06 09:38:45,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:45,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586841908] [2025-02-06 09:38:45,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:45,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:45,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 09:38:45,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 09:38:45,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:45,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:45,415 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:38:45,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 09:38:45,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 09:38:45,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:45,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:45,466 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:38:45,466 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:38:45,467 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2025-02-06 09:38:45,468 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-02-06 09:38:45,469 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-02-06 09:38:45,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-02-06 09:38:45,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-02-06 09:38:45,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-02-06 09:38:45,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-02-06 09:38:45,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-02-06 09:38:45,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-02-06 09:38:45,471 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-02-06 09:38:45,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-02-06 09:38:45,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-02-06 09:38:45,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-02-06 09:38:45,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-02-06 09:38:45,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-02-06 09:38:45,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-02-06 09:38:45,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:38:45,474 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-06 09:38:45,477 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:38:45,477 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-06 09:38:45,668 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:38:45,684 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1241 places, 1404 transitions, 2824 flow [2025-02-06 09:38:46,134 INFO L124 PetriNetUnfolderBase]: 205/1626 cut-off events. [2025-02-06 09:38:46,134 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:38:46,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1638 conditions, 1626 events. 205/1626 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8188 event pairs, 0 based on Foata normal form. 0/1350 useless extension candidates. Maximal degree in co-relation 1411. Up to 12 conditions per place. [2025-02-06 09:38:46,194 INFO L82 GeneralOperation]: Start removeDead. Operand has 1241 places, 1404 transitions, 2824 flow [2025-02-06 09:38:46,350 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1241 places, 1404 transitions, 2824 flow [2025-02-06 09:38:46,351 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:46,353 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;@763ce033, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:46,355 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2025-02-06 09:38:46,360 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:46,360 INFO L124 PetriNetUnfolderBase]: 12/68 cut-off events. [2025-02-06 09:38:46,360 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:46,360 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:46,360 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] [2025-02-06 09:38:46,360 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2025-02-06 09:38:46,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:46,360 INFO L85 PathProgramCache]: Analyzing trace with hash 343355962, now seen corresponding path program 1 times [2025-02-06 09:38:46,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:46,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799907968] [2025-02-06 09:38:46,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:46,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 09:38:46,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 09:38:46,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:46,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:46,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:46,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799907968] [2025-02-06 09:38:46,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799907968] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:46,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:46,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:46,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556202768] [2025-02-06 09:38:46,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:46,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:46,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:46,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:46,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:46,398 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1212 out of 1404 [2025-02-06 09:38:46,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1241 places, 1404 transitions, 2824 flow. Second operand has 2 states, 2 states have (on average 1212.5) internal successors, (2425), 2 states have internal predecessors, (2425), 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) [2025-02-06 09:38:46,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:46,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1212 of 1404 [2025-02-06 09:38:46,401 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:48,518 INFO L124 PetriNetUnfolderBase]: 326/9364 cut-off events. [2025-02-06 09:38:48,518 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2025-02-06 09:38:48,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9768 conditions, 9364 events. 326/9364 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 98359 event pairs, 154 based on Foata normal form. 3960/12682 useless extension candidates. Maximal degree in co-relation 1394. Up to 337 conditions per place. [2025-02-06 09:38:48,630 INFO L140 encePairwiseOnDemand]: 1238/1404 looper letters, 26 selfloop transitions, 0 changer transitions 0/1226 dead transitions. [2025-02-06 09:38:48,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1204 places, 1226 transitions, 2520 flow [2025-02-06 09:38:48,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2616 transitions. [2025-02-06 09:38:48,637 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9316239316239316 [2025-02-06 09:38:48,637 INFO L175 Difference]: Start difference. First operand has 1241 places, 1404 transitions, 2824 flow. Second operand 2 states and 2616 transitions. [2025-02-06 09:38:48,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1204 places, 1226 transitions, 2520 flow [2025-02-06 09:38:48,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1204 places, 1226 transitions, 2520 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:48,655 INFO L231 Difference]: Finished difference. Result has 1204 places, 1226 transitions, 2468 flow [2025-02-06 09:38:48,656 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1404, PETRI_DIFFERENCE_MINUEND_FLOW=2468, PETRI_DIFFERENCE_MINUEND_PLACES=1203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2468, PETRI_PLACES=1204, PETRI_TRANSITIONS=1226} [2025-02-06 09:38:48,657 INFO L279 CegarLoopForPetriNet]: 1241 programPoint places, -37 predicate places. [2025-02-06 09:38:48,657 INFO L471 AbstractCegarLoop]: Abstraction has has 1204 places, 1226 transitions, 2468 flow [2025-02-06 09:38:48,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1212.5) internal successors, (2425), 2 states have internal predecessors, (2425), 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) [2025-02-06 09:38:48,659 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:48,659 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] [2025-02-06 09:38:48,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:38:48,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2025-02-06 09:38:48,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:48,660 INFO L85 PathProgramCache]: Analyzing trace with hash -895791795, now seen corresponding path program 1 times [2025-02-06 09:38:48,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:48,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160602590] [2025-02-06 09:38:48,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:48,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:48,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 09:38:48,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 09:38:48,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:48,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:49,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:49,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160602590] [2025-02-06 09:38:49,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160602590] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:49,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:49,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:49,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966002528] [2025-02-06 09:38:49,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:49,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:49,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:49,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:49,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:49,842 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1137 out of 1404 [2025-02-06 09:38:49,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1204 places, 1226 transitions, 2468 flow. Second operand has 6 states, 6 states have (on average 1138.5) internal successors, (6831), 6 states have internal predecessors, (6831), 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) [2025-02-06 09:38:49,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:49,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1137 of 1404 [2025-02-06 09:38:49,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand