./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_mcslock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rec_mcslock.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 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:39:56,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:39:56,882 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:39:56,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:39:56,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:39:56,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:39:56,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:39:56,908 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:39:56,908 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:39:56,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:39:56,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:39:56,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:39:56,908 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:39:56,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:39:56,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:39:56,909 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:39:56,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:39:56,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:39:56,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:39:56,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:39:56,910 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 -> 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 [2025-01-09 21:39:57,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:39:57,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:39:57,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:39:57,119 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:39:57,119 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:39:57,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_mcslock.i [2025-01-09 21:39:58,386 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbefee863/ae3469764d63461d8c2722bc53454af7/FLAG2f0ab8325 [2025-01-09 21:39:58,878 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:39:58,879 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/rec_mcslock.i [2025-01-09 21:39:58,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbefee863/ae3469764d63461d8c2722bc53454af7/FLAG2f0ab8325 [2025-01-09 21:39:58,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dbefee863/ae3469764d63461d8c2722bc53454af7 [2025-01-09 21:39:58,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:39:58,923 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:39:58,925 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:39:58,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:39:58,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:39:58,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:39:58" (1/1) ... [2025-01-09 21:39:58,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59ade09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:39:58, skipping insertion in model container [2025-01-09 21:39:58,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:39:58" (1/1) ... [2025-01-09 21:39:59,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:40:00,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:00,528 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:40:00,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-01-09 21:40:00,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-01-09 21:40:00,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-01-09 21:40:00,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-01-09 21:40:00,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-01-09 21:40:00,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-01-09 21:40:00,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-01-09 21:40:00,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-01-09 21:40:00,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-01-09 21:40:00,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-01-09 21:40:00,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-01-09 21:40:00,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-01-09 21:40:00,609 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-01-09 21:40:00,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-01-09 21:40:00,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-01-09 21:40:00,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-01-09 21:40:00,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-01-09 21:40:00,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-01-09 21:40:00,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-01-09 21:40:00,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-01-09 21:40:00,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-01-09 21:40:00,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-01-09 21:40:00,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-01-09 21:40:00,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-01-09 21:40:00,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-01-09 21:40:00,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-01-09 21:40:00,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-01-09 21:40:00,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-01-09 21:40:00,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-01-09 21:40:00,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-01-09 21:40:00,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-01-09 21:40:00,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-01-09 21:40:00,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-01-09 21:40:00,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-01-09 21:40:00,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-01-09 21:40:00,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-01-09 21:40:00,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-01-09 21:40:00,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-01-09 21:40:00,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-01-09 21:40:00,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-01-09 21:40:00,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-01-09 21:40:00,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-01-09 21:40:00,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-01-09 21:40:00,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-01-09 21:40:00,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-01-09 21:40:00,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-01-09 21:40:00,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-01-09 21:40:00,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-01-09 21:40:00,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-01-09 21:40:00,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-01-09 21:40:00,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-01-09 21:40:00,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-01-09 21:40:00,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-01-09 21:40:00,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-01-09 21:40:00,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-01-09 21:40:00,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-01-09 21:40:00,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-01-09 21:40:00,630 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-01-09 21:40:00,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-01-09 21:40:00,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-01-09 21:40:00,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-01-09 21:40:00,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-01-09 21:40:00,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-01-09 21:40:00,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-01-09 21:40:00,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-01-09 21:40:00,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-01-09 21:40:00,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-01-09 21:40:00,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-01-09 21:40:00,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-01-09 21:40:00,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-01-09 21:40:00,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-01-09 21:40:00,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-01-09 21:40:00,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-01-09 21:40:00,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-01-09 21:40:00,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-01-09 21:40:00,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-01-09 21:40:00,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-01-09 21:40:00,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-01-09 21:40:00,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-01-09 21:40:00,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-01-09 21:40:00,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-01-09 21:40:00,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-01-09 21:40:00,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-01-09 21:40:00,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-01-09 21:40:00,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-01-09 21:40:00,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-01-09 21:40:00,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-01-09 21:40:00,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-01-09 21:40:00,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-01-09 21:40:00,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-01-09 21:40:00,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-01-09 21:40:00,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-01-09 21:40:00,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-01-09 21:40:00,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-01-09 21:40:00,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-01-09 21:40:00,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-01-09 21:40:00,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-01-09 21:40:00,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-01-09 21:40:00,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-01-09 21:40:00,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-01-09 21:40:00,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:00,940 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:40:00,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00 WrapperNode [2025-01-09 21:40:00,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:40:00,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:00,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:40:00,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:40:00,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:00,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,034 INFO L138 Inliner]: procedures = 924, calls = 955, calls flagged for inlining = 838, calls inlined = 56, statements flattened = 621 [2025-01-09 21:40:01,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:01,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:40:01,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:40:01,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:40:01,047 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,072 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:40:01,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:40:01,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:40:01,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:40:01,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (1/1) ... [2025-01-09 21:40:01,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:01,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:40:01,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:40:01,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:40:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-01-09 21:40:01,136 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-01-09 21:40:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:40:01,138 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:40:01,271 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:40:01,273 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:40:01,990 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:40:01,990 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:40:02,092 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:40:02,092 INFO L312 CfgBuilder]: Removed 34 assume(true) statements. [2025-01-09 21:40:02,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:02 BoogieIcfgContainer [2025-01-09 21:40:02,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:40:02,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:40:02,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:40:02,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:40:02,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:39:58" (1/3) ... [2025-01-09 21:40:02,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54396b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:02, skipping insertion in model container [2025-01-09 21:40:02,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:00" (2/3) ... [2025-01-09 21:40:02,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54396b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:02, skipping insertion in model container [2025-01-09 21:40:02,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:02" (3/3) ... [2025-01-09 21:40:02,099 INFO L128 eAbstractionObserver]: Analyzing ICFG rec_mcslock.i [2025-01-09 21:40:02,108 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:40:02,109 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rec_mcslock.i that has 2 procedures, 635 locations, 1 initial locations, 39 loop locations, and 29 error locations. [2025-01-09 21:40:02,109 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:40:02,271 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-01-09 21:40:02,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 638 places, 720 transitions, 1447 flow [2025-01-09 21:40:02,434 INFO L124 PetriNetUnfolderBase]: 99/798 cut-off events. [2025-01-09 21:40:02,439 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-01-09 21:40:02,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 803 conditions, 798 events. 99/798 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2208 event pairs, 0 based on Foata normal form. 0/662 useless extension candidates. Maximal degree in co-relation 669. Up to 6 conditions per place. [2025-01-09 21:40:02,452 INFO L82 GeneralOperation]: Start removeDead. Operand has 638 places, 720 transitions, 1447 flow [2025-01-09 21:40:02,462 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 638 places, 720 transitions, 1447 flow [2025-01-09 21:40:02,467 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:02,474 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;@4b23b794, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:02,474 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2025-01-09 21:40:02,482 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:02,482 INFO L124 PetriNetUnfolderBase]: 12/74 cut-off events. [2025-01-09 21:40:02,482 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:02,482 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:02,483 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] [2025-01-09 21:40:02,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:02,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:02,486 INFO L85 PathProgramCache]: Analyzing trace with hash -2032031385, now seen corresponding path program 1 times [2025-01-09 21:40:02,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:02,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881757155] [2025-01-09 21:40:02,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:02,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:02,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:40:02,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:40:02,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:02,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:02,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881757155] [2025-01-09 21:40:02,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881757155] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:02,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:02,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:02,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866642645] [2025-01-09 21:40:02,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:02,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:02,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:02,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:02,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:02,740 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 618 out of 720 [2025-01-09 21:40:02,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 638 places, 720 transitions, 1447 flow. Second operand has 2 states, 2 states have (on average 618.5) internal successors, (1237), 2 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:02,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:02,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 618 of 720 [2025-01-09 21:40:02,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:02,986 INFO L124 PetriNetUnfolderBase]: 13/687 cut-off events. [2025-01-09 21:40:02,987 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:40:02,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 708 conditions, 687 events. 13/687 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1798 event pairs, 0 based on Foata normal form. 243/890 useless extension candidates. Maximal degree in co-relation 595. Up to 16 conditions per place. [2025-01-09 21:40:02,993 INFO L140 encePairwiseOnDemand]: 633/720 looper letters, 15 selfloop transitions, 0 changer transitions 0/627 dead transitions. [2025-01-09 21:40:02,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 618 places, 627 transitions, 1291 flow [2025-01-09 21:40:02,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:03,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1338 transitions. [2025-01-09 21:40:03,013 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9291666666666667 [2025-01-09 21:40:03,014 INFO L175 Difference]: Start difference. First operand has 638 places, 720 transitions, 1447 flow. Second operand 2 states and 1338 transitions. [2025-01-09 21:40:03,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 618 places, 627 transitions, 1291 flow [2025-01-09 21:40:03,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 618 places, 627 transitions, 1291 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:03,033 INFO L231 Difference]: Finished difference. Result has 618 places, 627 transitions, 1261 flow [2025-01-09 21:40:03,035 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=720, PETRI_DIFFERENCE_MINUEND_FLOW=1261, PETRI_DIFFERENCE_MINUEND_PLACES=617, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=627, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1261, PETRI_PLACES=618, PETRI_TRANSITIONS=627} [2025-01-09 21:40:03,038 INFO L279 CegarLoopForPetriNet]: 638 programPoint places, -20 predicate places. [2025-01-09 21:40:03,040 INFO L471 AbstractCegarLoop]: Abstraction has has 618 places, 627 transitions, 1261 flow [2025-01-09 21:40:03,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 618.5) internal successors, (1237), 2 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:03,041 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:03,041 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:03,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:40:03,042 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:03,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:03,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2138654733, now seen corresponding path program 1 times [2025-01-09 21:40:03,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:03,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846751099] [2025-01-09 21:40:03,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:03,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:03,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 21:40:03,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 21:40:03,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:03,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:04,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:04,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846751099] [2025-01-09 21:40:04,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846751099] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:04,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:04,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:04,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347688377] [2025-01-09 21:40:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:04,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:04,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:04,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:04,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:04,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 720 [2025-01-09 21:40:04,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 618 places, 627 transitions, 1261 flow. Second operand has 6 states, 6 states have (on average 580.5) internal successors, (3483), 6 states have internal predecessors, (3483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:04,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:04,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 720 [2025-01-09 21:40:04,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:05,420 INFO L124 PetriNetUnfolderBase]: 837/8302 cut-off events. [2025-01-09 21:40:05,421 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:40:05,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9762 conditions, 8302 events. 837/8302 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 85217 event pairs, 328 based on Foata normal form. 0/7728 useless extension candidates. Maximal degree in co-relation 9758. Up to 1244 conditions per place. [2025-01-09 21:40:05,453 INFO L140 encePairwiseOnDemand]: 680/720 looper letters, 53 selfloop transitions, 138 changer transitions 0/764 dead transitions. [2025-01-09 21:40:05,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 623 places, 764 transitions, 1917 flow [2025-01-09 21:40:05,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:40:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:40:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3666 transitions. [2025-01-09 21:40:05,462 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8486111111111111 [2025-01-09 21:40:05,464 INFO L175 Difference]: Start difference. First operand has 618 places, 627 transitions, 1261 flow. Second operand 6 states and 3666 transitions. [2025-01-09 21:40:05,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 623 places, 764 transitions, 1917 flow [2025-01-09 21:40:05,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 623 places, 764 transitions, 1917 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:05,476 INFO L231 Difference]: Finished difference. Result has 628 places, 764 transitions, 2165 flow [2025-01-09 21:40:05,477 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=720, PETRI_DIFFERENCE_MINUEND_FLOW=1261, PETRI_DIFFERENCE_MINUEND_PLACES=618, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=627, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=588, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2165, PETRI_PLACES=628, PETRI_TRANSITIONS=764} [2025-01-09 21:40:05,477 INFO L279 CegarLoopForPetriNet]: 638 programPoint places, -10 predicate places. [2025-01-09 21:40:05,478 INFO L471 AbstractCegarLoop]: Abstraction has has 628 places, 764 transitions, 2165 flow [2025-01-09 21:40:05,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 580.5) internal successors, (3483), 6 states have internal predecessors, (3483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:05,479 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:05,480 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, 1, 1] [2025-01-09 21:40:05,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:40:05,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:05,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:05,481 INFO L85 PathProgramCache]: Analyzing trace with hash 688742461, now seen corresponding path program 1 times [2025-01-09 21:40:05,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:05,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210987938] [2025-01-09 21:40:05,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:05,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:05,491 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-09 21:40:05,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-09 21:40:05,501 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:05,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:05,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:05,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:05,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210987938] [2025-01-09 21:40:05,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210987938] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:05,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:05,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:05,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817421223] [2025-01-09 21:40:05,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:05,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:05,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:05,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:05,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:05,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 608 out of 720 [2025-01-09 21:40:05,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 764 transitions, 2165 flow. Second operand has 3 states, 3 states have (on average 608.6666666666666) internal successors, (1826), 3 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:05,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:05,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 608 of 720 [2025-01-09 21:40:05,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:06,335 INFO L124 PetriNetUnfolderBase]: 527/6763 cut-off events. [2025-01-09 21:40:06,336 INFO L125 PetriNetUnfolderBase]: For 673/967 co-relation queries the response was YES. [2025-01-09 21:40:06,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8500 conditions, 6763 events. 527/6763 cut-off events. For 673/967 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 60780 event pairs, 32 based on Foata normal form. 39/6414 useless extension candidates. Maximal degree in co-relation 8491. Up to 626 conditions per place. [2025-01-09 21:40:06,371 INFO L140 encePairwiseOnDemand]: 711/720 looper letters, 88 selfloop transitions, 6 changer transitions 0/781 dead transitions. [2025-01-09 21:40:06,372 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 781 transitions, 2413 flow [2025-01-09 21:40:06,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:06,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1869 transitions. [2025-01-09 21:40:06,377 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8652777777777778 [2025-01-09 21:40:06,377 INFO L175 Difference]: Start difference. First operand has 628 places, 764 transitions, 2165 flow. Second operand 3 states and 1869 transitions. [2025-01-09 21:40:06,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 781 transitions, 2413 flow [2025-01-09 21:40:06,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 781 transitions, 2413 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:06,396 INFO L231 Difference]: Finished difference. Result has 631 places, 768 transitions, 2211 flow [2025-01-09 21:40:06,397 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=720, PETRI_DIFFERENCE_MINUEND_FLOW=2163, PETRI_DIFFERENCE_MINUEND_PLACES=627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=763, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=757, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2211, PETRI_PLACES=631, PETRI_TRANSITIONS=768} [2025-01-09 21:40:06,398 INFO L279 CegarLoopForPetriNet]: 638 programPoint places, -7 predicate places. [2025-01-09 21:40:06,398 INFO L471 AbstractCegarLoop]: Abstraction has has 631 places, 768 transitions, 2211 flow [2025-01-09 21:40:06,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 608.6666666666666) internal successors, (1826), 3 states have internal predecessors, (1826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:06,399 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:06,399 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, 1, 1, 1, 1] [2025-01-09 21:40:06,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:40:06,399 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:06,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:06,400 INFO L85 PathProgramCache]: Analyzing trace with hash 456587991, now seen corresponding path program 1 times [2025-01-09 21:40:06,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:06,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927741409] [2025-01-09 21:40:06,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:06,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:06,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-09 21:40:06,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-09 21:40:06,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:06,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:06,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:06,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927741409] [2025-01-09 21:40:06,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927741409] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:06,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:06,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:06,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981554498] [2025-01-09 21:40:06,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:06,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:06,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:06,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:06,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:06,448 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 611 out of 720 [2025-01-09 21:40:06,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 631 places, 768 transitions, 2211 flow. Second operand has 3 states, 3 states have (on average 611.6666666666666) internal successors, (1835), 3 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:06,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:06,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 611 of 720 [2025-01-09 21:40:06,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:07,283 INFO L124 PetriNetUnfolderBase]: 588/8882 cut-off events. [2025-01-09 21:40:07,284 INFO L125 PetriNetUnfolderBase]: For 770/953 co-relation queries the response was YES. [2025-01-09 21:40:07,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10964 conditions, 8882 events. 588/8882 cut-off events. For 770/953 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 83932 event pairs, 40 based on Foata normal form. 27/8439 useless extension candidates. Maximal degree in co-relation 10953. Up to 756 conditions per place. [2025-01-09 21:40:07,310 INFO L140 encePairwiseOnDemand]: 714/720 looper letters, 85 selfloop transitions, 4 changer transitions 0/783 dead transitions. [2025-01-09 21:40:07,310 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 632 places, 783 transitions, 2445 flow [2025-01-09 21:40:07,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:07,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1872 transitions. [2025-01-09 21:40:07,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8666666666666667 [2025-01-09 21:40:07,314 INFO L175 Difference]: Start difference. First operand has 631 places, 768 transitions, 2211 flow. Second operand 3 states and 1872 transitions. [2025-01-09 21:40:07,314 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 632 places, 783 transitions, 2445 flow [2025-01-09 21:40:07,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 630 places, 783 transitions, 2433 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:40:07,325 INFO L231 Difference]: Finished difference. Result has 632 places, 770 transitions, 2227 flow [2025-01-09 21:40:07,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=720, PETRI_DIFFERENCE_MINUEND_FLOW=2197, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=767, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=763, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2227, PETRI_PLACES=632, PETRI_TRANSITIONS=770} [2025-01-09 21:40:07,326 INFO L279 CegarLoopForPetriNet]: 638 programPoint places, -6 predicate places. [2025-01-09 21:40:07,326 INFO L471 AbstractCegarLoop]: Abstraction has has 632 places, 770 transitions, 2227 flow [2025-01-09 21:40:07,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 611.6666666666666) internal successors, (1835), 3 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:07,327 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:07,327 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, 1, 1, 1, 1, 1] [2025-01-09 21:40:07,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:40:07,328 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:07,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:07,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1876408221, now seen corresponding path program 1 times [2025-01-09 21:40:07,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:07,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925459907] [2025-01-09 21:40:07,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:07,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:07,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-09 21:40:07,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-09 21:40:07,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:07,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:07,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:07,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925459907] [2025-01-09 21:40:07,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925459907] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:07,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:07,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:40:07,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335519693] [2025-01-09 21:40:07,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:07,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:07,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:07,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:07,381 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:07,401 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 720 [2025-01-09 21:40:07,403 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 632 places, 770 transitions, 2227 flow. Second operand has 3 states, 3 states have (on average 613.3333333333334) internal successors, (1840), 3 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:07,403 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:07,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 720 [2025-01-09 21:40:07,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:08,248 INFO L124 PetriNetUnfolderBase]: 561/9190 cut-off events. [2025-01-09 21:40:08,248 INFO L125 PetriNetUnfolderBase]: For 769/1169 co-relation queries the response was YES. [2025-01-09 21:40:08,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11296 conditions, 9190 events. 561/9190 cut-off events. For 769/1169 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 88685 event pairs, 38 based on Foata normal form. 53/8775 useless extension candidates. Maximal degree in co-relation 11284. Up to 760 conditions per place. [2025-01-09 21:40:08,275 INFO L140 encePairwiseOnDemand]: 717/720 looper letters, 85 selfloop transitions, 2 changer transitions 0/784 dead transitions. [2025-01-09 21:40:08,275 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 784 transitions, 2459 flow [2025-01-09 21:40:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1871 transitions. [2025-01-09 21:40:08,279 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8662037037037037 [2025-01-09 21:40:08,279 INFO L175 Difference]: Start difference. First operand has 632 places, 770 transitions, 2227 flow. Second operand 3 states and 1871 transitions. [2025-01-09 21:40:08,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 784 transitions, 2459 flow [2025-01-09 21:40:08,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 632 places, 784 transitions, 2451 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:40:08,292 INFO L231 Difference]: Finished difference. Result has 633 places, 770 transitions, 2227 flow [2025-01-09 21:40:08,293 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=720, PETRI_DIFFERENCE_MINUEND_FLOW=2219, PETRI_DIFFERENCE_MINUEND_PLACES=630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=770, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=768, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2227, PETRI_PLACES=633, PETRI_TRANSITIONS=770} [2025-01-09 21:40:08,293 INFO L279 CegarLoopForPetriNet]: 638 programPoint places, -5 predicate places. [2025-01-09 21:40:08,294 INFO L471 AbstractCegarLoop]: Abstraction has has 633 places, 770 transitions, 2227 flow [2025-01-09 21:40:08,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 613.3333333333334) internal successors, (1840), 3 states have internal predecessors, (1840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:08,295 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:08,295 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, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:08,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:40:08,295 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2025-01-09 21:40:08,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:08,296 INFO L85 PathProgramCache]: Analyzing trace with hash -797379554, now seen corresponding path program 1 times [2025-01-09 21:40:08,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:08,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120799562] [2025-01-09 21:40:08,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:08,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:08,309 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-09 21:40:08,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-09 21:40:08,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:08,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:08,320 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 21:40:08,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-09 21:40:08,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-09 21:40:08,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:08,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:08,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 21:40:08,374 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 21:40:08,375 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2025-01-09 21:40:08,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2025-01-09 21:40:08,381 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2025-01-09 21:40:08,382 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2025-01-09 21:40:08,385 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2025-01-09 21:40:08,386 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2025-01-09 21:40:08,387 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2025-01-09 21:40:08,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:40:08,388 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-01-09 21:40:08,390 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 21:40:08,390 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-01-09 21:40:08,592 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:40:08,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1162 places, 1307 transitions, 2630 flow [2025-01-09 21:40:09,053 INFO L124 PetriNetUnfolderBase]: 187/1527 cut-off events. [2025-01-09 21:40:09,054 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-01-09 21:40:09,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 1527 events. 187/1527 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 6668 event pairs, 0 based on Foata normal form. 0/1269 useless extension candidates. Maximal degree in co-relation 1308. Up to 12 conditions per place. [2025-01-09 21:40:09,099 INFO L82 GeneralOperation]: Start removeDead. Operand has 1162 places, 1307 transitions, 2630 flow [2025-01-09 21:40:09,123 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1162 places, 1307 transitions, 2630 flow [2025-01-09 21:40:09,125 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:09,125 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;@4b23b794, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:09,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2025-01-09 21:40:09,129 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:09,129 INFO L124 PetriNetUnfolderBase]: 12/74 cut-off events. [2025-01-09 21:40:09,129 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:09,130 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:09,130 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] [2025-01-09 21:40:09,132 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2025-01-09 21:40:09,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:09,132 INFO L85 PathProgramCache]: Analyzing trace with hash -249869401, now seen corresponding path program 1 times [2025-01-09 21:40:09,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461222619] [2025-01-09 21:40:09,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:09,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-09 21:40:09,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-09 21:40:09,144 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:09,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:09,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:09,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:09,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461222619] [2025-01-09 21:40:09,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461222619] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:09,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:09,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:09,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561479165] [2025-01-09 21:40:09,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:09,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:09,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:09,154 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:09,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:09,156 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1123 out of 1307 [2025-01-09 21:40:09,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1162 places, 1307 transitions, 2630 flow. Second operand has 2 states, 2 states have (on average 1123.5) internal successors, (2247), 2 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:09,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:09,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1123 of 1307 [2025-01-09 21:40:09,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:10,837 INFO L124 PetriNetUnfolderBase]: 391/10183 cut-off events. [2025-01-09 21:40:10,837 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2025-01-09 21:40:10,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10709 conditions, 10183 events. 391/10183 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 106374 event pairs, 208 based on Foata normal form. 4272/13777 useless extension candidates. Maximal degree in co-relation 1401. Up to 449 conditions per place. [2025-01-09 21:40:10,944 INFO L140 encePairwiseOnDemand]: 1153/1307 looper letters, 30 selfloop transitions, 0 changer transitions 0/1145 dead transitions. [2025-01-09 21:40:10,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1125 places, 1145 transitions, 2366 flow [2025-01-09 21:40:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:10,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2430 transitions. [2025-01-09 21:40:10,948 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9296097934200459 [2025-01-09 21:40:10,948 INFO L175 Difference]: Start difference. First operand has 1162 places, 1307 transitions, 2630 flow. Second operand 2 states and 2430 transitions. [2025-01-09 21:40:10,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1125 places, 1145 transitions, 2366 flow [2025-01-09 21:40:10,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1125 places, 1145 transitions, 2366 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:10,958 INFO L231 Difference]: Finished difference. Result has 1125 places, 1145 transitions, 2306 flow [2025-01-09 21:40:10,959 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1307, PETRI_DIFFERENCE_MINUEND_FLOW=2306, PETRI_DIFFERENCE_MINUEND_PLACES=1124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2306, PETRI_PLACES=1125, PETRI_TRANSITIONS=1145} [2025-01-09 21:40:10,961 INFO L279 CegarLoopForPetriNet]: 1162 programPoint places, -37 predicate places. [2025-01-09 21:40:10,961 INFO L471 AbstractCegarLoop]: Abstraction has has 1125 places, 1145 transitions, 2306 flow [2025-01-09 21:40:10,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1123.5) internal successors, (2247), 2 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:10,962 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:10,963 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:10,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:40:10,963 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2025-01-09 21:40:10,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:10,964 INFO L85 PathProgramCache]: Analyzing trace with hash 368949517, now seen corresponding path program 1 times [2025-01-09 21:40:10,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:10,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240995360] [2025-01-09 21:40:10,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:10,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:10,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-09 21:40:10,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-09 21:40:10,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:10,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:11,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:11,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240995360] [2025-01-09 21:40:11,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240995360] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:11,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:11,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:11,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558273324] [2025-01-09 21:40:11,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:11,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:11,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:11,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:11,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:11,759 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1064 out of 1307 [2025-01-09 21:40:11,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1125 places, 1145 transitions, 2306 flow. Second operand has 6 states, 6 states have (on average 1065.5) internal successors, (6393), 6 states have internal predecessors, (6393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:40:11,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:11,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1064 of 1307 [2025-01-09 21:40:11,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand