./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/hemlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/hemlock.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 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:38:07,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:38:07,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:38:07,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:38:07,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:38:07,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:38:07,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:38:07,305 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:38:07,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:38:07,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:38:07,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:38:07,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:38:07,307 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:38:07,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:38:07,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:38:07,309 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:38:07,309 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:38:07,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:38:07,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:38:07,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:07,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:38:07,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:38:07,309 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:38:07,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:38:07,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:38:07,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:38:07,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:38:07,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:38:07,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:38:07,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:38:07,310 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 -> 32f4670f2030763bd67badb5cbfcc478b68d183a08014f4e493405aced06d0a1 [2025-02-06 09:38:07,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:38:07,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:38:07,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:38:07,502 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:38:07,503 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:38:07,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hemlock.i [2025-02-06 09:38:08,661 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/805e111af/bf64ded0dba546c08a33c5e026f7b1f8/FLAG7ec61a956 [2025-02-06 09:38:09,050 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:38:09,051 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/hemlock.i [2025-02-06 09:38:09,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/805e111af/bf64ded0dba546c08a33c5e026f7b1f8/FLAG7ec61a956 [2025-02-06 09:38:09,099 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/805e111af/bf64ded0dba546c08a33c5e026f7b1f8 [2025-02-06 09:38:09,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:38:09,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:38:09,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:09,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:38:09,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:38:09,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec30da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:09, skipping insertion in model container [2025-02-06 09:38:09,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:09" (1/1) ... [2025-02-06 09:38:09,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:38:10,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:10,531 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:38:10,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-02-06 09:38:10,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-02-06 09:38:10,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-02-06 09:38:10,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-02-06 09:38:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-02-06 09:38:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-02-06 09:38:10,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-02-06 09:38:10,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-02-06 09:38:10,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-02-06 09:38:10,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-02-06 09:38:10,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-02-06 09:38:10,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-02-06 09:38:10,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-02-06 09:38:10,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-02-06 09:38:10,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-02-06 09:38:10,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-02-06 09:38:10,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-02-06 09:38:10,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-02-06 09:38:10,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-02-06 09:38:10,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-02-06 09:38:10,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-02-06 09:38:10,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-02-06 09:38:10,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-02-06 09:38:10,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-02-06 09:38:10,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-02-06 09:38:10,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-02-06 09:38:10,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-02-06 09:38:10,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-02-06 09:38:10,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-02-06 09:38:10,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-02-06 09:38:10,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-02-06 09:38:10,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-02-06 09:38:10,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-02-06 09:38:10,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-02-06 09:38:10,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-02-06 09:38:10,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-02-06 09:38:10,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-02-06 09:38:10,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-02-06 09:38:10,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-02-06 09:38:10,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-02-06 09:38:10,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-02-06 09:38:10,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-02-06 09:38:10,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-02-06 09:38:10,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-02-06 09:38:10,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-02-06 09:38:10,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-02-06 09:38:10,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-02-06 09:38:10,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-02-06 09:38:10,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-02-06 09:38:10,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-02-06 09:38:10,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-02-06 09:38:10,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-02-06 09:38:10,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-02-06 09:38:10,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-02-06 09:38:10,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-02-06 09:38:10,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-02-06 09:38:10,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-02-06 09:38:10,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-02-06 09:38:10,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-02-06 09:38:10,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-02-06 09:38:10,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-02-06 09:38:10,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-02-06 09:38:10,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-02-06 09:38:10,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-02-06 09:38:10,627 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-02-06 09:38:10,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-02-06 09:38:10,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-02-06 09:38:10,628 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-02-06 09:38:10,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-02-06 09:38:10,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-02-06 09:38:10,629 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-02-06 09:38:10,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-02-06 09:38:10,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-02-06 09:38:10,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-02-06 09:38:10,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-02-06 09:38:10,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-02-06 09:38:10,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-02-06 09:38:10,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-02-06 09:38:10,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-02-06 09:38:10,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-02-06 09:38:10,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-02-06 09:38:10,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-02-06 09:38:10,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-02-06 09:38:10,636 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-02-06 09:38:10,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-02-06 09:38:10,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-02-06 09:38:10,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-02-06 09:38:10,637 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-02-06 09:38:10,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-02-06 09:38:10,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-02-06 09:38:10,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-02-06 09:38:10,638 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-02-06 09:38:10,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-02-06 09:38:10,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-02-06 09:38:10,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-02-06 09:38:10,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-02-06 09:38:10,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-02-06 09:38:10,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-02-06 09:38:10,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-02-06 09:38:10,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-02-06 09:38:10,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:10,916 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:38:10,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10 WrapperNode [2025-02-06 09:38:10,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:10,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:10,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:38:10,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:38:10,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:10,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,045 INFO L138 Inliner]: procedures = 919, calls = 930, calls flagged for inlining = 826, calls inlined = 97, statements flattened = 1041 [2025-02-06 09:38:11,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:11,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:38:11,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:38:11,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:38:11,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,097 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:38:11,116 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:38:11,116 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:38:11,116 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:38:11,117 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (1/1) ... [2025-02-06 09:38:11,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:11,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:38:11,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 09:38:11,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 09:38:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:38:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-02-06 09:38:11,183 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 09:38:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:38:11,184 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 09:38:11,327 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:38:11,329 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:38:11,494 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-06 09:38:11,495 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6019-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-06 09:38:12,318 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-9: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-18: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3705: havoc vatomicptr_await_eq_rlx_#t~ret420#1.base, vatomicptr_await_eq_rlx_#t~ret420#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3705-9: havoc vatomicptr_await_eq_rlx_#t~ret420#1.base, vatomicptr_await_eq_rlx_#t~ret420#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3705-18: havoc vatomicptr_await_eq_rlx_#t~ret420#1.base, vatomicptr_await_eq_rlx_#t~ret420#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-9: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-18: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-02-06 09:38:12,319 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-9: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-02-06 09:38:12,320 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-18: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-02-06 09:38:12,320 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:38:12,321 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:38:12,588 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:38:12,593 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:38:12,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:38:12 BoogieIcfgContainer [2025-02-06 09:38:12,593 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:38:12,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:38:12,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:38:12,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:38:12,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:38:09" (1/3) ... [2025-02-06 09:38:12,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0d954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:38:12, skipping insertion in model container [2025-02-06 09:38:12,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:10" (2/3) ... [2025-02-06 09:38:12,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0d954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:38:12, skipping insertion in model container [2025-02-06 09:38:12,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:38:12" (3/3) ... [2025-02-06 09:38:12,608 INFO L128 eAbstractionObserver]: Analyzing ICFG hemlock.i [2025-02-06 09:38:12,629 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:38:12,632 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hemlock.i that has 2 procedures, 1046 locations, 1 initial locations, 70 loop locations, and 39 error locations. [2025-02-06 09:38:12,636 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:38:13,067 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 09:38:13,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1049 places, 1201 transitions, 2409 flow [2025-02-06 09:38:13,364 INFO L124 PetriNetUnfolderBase]: 169/1280 cut-off events. [2025-02-06 09:38:13,365 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:38:13,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1285 conditions, 1280 events. 169/1280 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5027 event pairs, 0 based on Foata normal form. 0/1064 useless extension candidates. Maximal degree in co-relation 1153. Up to 6 conditions per place. [2025-02-06 09:38:13,384 INFO L82 GeneralOperation]: Start removeDead. Operand has 1049 places, 1201 transitions, 2409 flow [2025-02-06 09:38:13,400 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1049 places, 1201 transitions, 2409 flow [2025-02-06 09:38:13,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:13,411 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;@2d757865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:13,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2025-02-06 09:38:13,422 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:13,424 INFO L124 PetriNetUnfolderBase]: 12/71 cut-off events. [2025-02-06 09:38:13,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:13,425 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:13,426 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] [2025-02-06 09:38:13,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-02-06 09:38:13,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:13,431 INFO L85 PathProgramCache]: Analyzing trace with hash 668263357, now seen corresponding path program 1 times [2025-02-06 09:38:13,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:13,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685477636] [2025-02-06 09:38:13,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:13,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:13,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 09:38:13,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 09:38:13,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:13,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:13,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:13,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:13,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685477636] [2025-02-06 09:38:13,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685477636] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:13,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:13,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:13,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238519057] [2025-02-06 09:38:13,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:13,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:13,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:13,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:13,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:13,609 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1017 out of 1201 [2025-02-06 09:38:13,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1049 places, 1201 transitions, 2409 flow. Second operand has 2 states, 2 states have (on average 1017.5) internal successors, (2035), 2 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:13,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:13,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1017 of 1201 [2025-02-06 09:38:13,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:14,004 INFO L124 PetriNetUnfolderBase]: 27/1100 cut-off events. [2025-02-06 09:38:14,004 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:38:14,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 1100 events. 27/1100 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4336 event pairs, 0 based on Foata normal form. 478/1530 useless extension candidates. Maximal degree in co-relation 1021. Up to 27 conditions per place. [2025-02-06 09:38:14,013 INFO L140 encePairwiseOnDemand]: 1043/1201 looper letters, 26 selfloop transitions, 0 changer transitions 0/1039 dead transitions. [2025-02-06 09:38:14,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1016 places, 1039 transitions, 2137 flow [2025-02-06 09:38:14,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:14,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2218 transitions. [2025-02-06 09:38:14,033 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9233971690258118 [2025-02-06 09:38:14,034 INFO L175 Difference]: Start difference. First operand has 1049 places, 1201 transitions, 2409 flow. Second operand 2 states and 2218 transitions. [2025-02-06 09:38:14,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1016 places, 1039 transitions, 2137 flow [2025-02-06 09:38:14,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1016 places, 1039 transitions, 2137 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:14,054 INFO L231 Difference]: Finished difference. Result has 1016 places, 1039 transitions, 2085 flow [2025-02-06 09:38:14,057 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1201, PETRI_DIFFERENCE_MINUEND_FLOW=2085, PETRI_DIFFERENCE_MINUEND_PLACES=1015, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1039, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2085, PETRI_PLACES=1016, PETRI_TRANSITIONS=1039} [2025-02-06 09:38:14,060 INFO L279 CegarLoopForPetriNet]: 1049 programPoint places, -33 predicate places. [2025-02-06 09:38:14,060 INFO L471 AbstractCegarLoop]: Abstraction has has 1016 places, 1039 transitions, 2085 flow [2025-02-06 09:38:14,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1017.5) internal successors, (2035), 2 states have internal predecessors, (2035), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:14,061 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:14,061 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] [2025-02-06 09:38:14,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:38:14,062 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-02-06 09:38:14,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:14,062 INFO L85 PathProgramCache]: Analyzing trace with hash 807326835, now seen corresponding path program 1 times [2025-02-06 09:38:14,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:14,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038741665] [2025-02-06 09:38:14,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:14,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:14,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 09:38:14,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 09:38:14,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:14,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:14,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:14,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038741665] [2025-02-06 09:38:14,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038741665] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:14,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:14,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254939890] [2025-02-06 09:38:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:14,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:14,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:14,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:14,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:14,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 998 out of 1201 [2025-02-06 09:38:14,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1016 places, 1039 transitions, 2085 flow. Second operand has 6 states, 6 states have (on average 999.5) internal successors, (5997), 6 states have internal predecessors, (5997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:14,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:14,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 998 of 1201 [2025-02-06 09:38:14,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:16,623 INFO L124 PetriNetUnfolderBase]: 706/8743 cut-off events. [2025-02-06 09:38:16,623 INFO L125 PetriNetUnfolderBase]: For 18/30 co-relation queries the response was YES. [2025-02-06 09:38:16,637 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9841 conditions, 8743 events. 706/8743 cut-off events. For 18/30 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 96852 event pairs, 237 based on Foata normal form. 4/8061 useless extension candidates. Maximal degree in co-relation 9837. Up to 936 conditions per place. [2025-02-06 09:38:16,652 INFO L140 encePairwiseOnDemand]: 1170/1201 looper letters, 44 selfloop transitions, 102 changer transitions 0/1140 dead transitions. [2025-02-06 09:38:16,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1021 places, 1140 transitions, 2579 flow [2025-02-06 09:38:16,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:38:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:38:16,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6135 transitions. [2025-02-06 09:38:16,667 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8513738551207327 [2025-02-06 09:38:16,667 INFO L175 Difference]: Start difference. First operand has 1016 places, 1039 transitions, 2085 flow. Second operand 6 states and 6135 transitions. [2025-02-06 09:38:16,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1021 places, 1140 transitions, 2579 flow [2025-02-06 09:38:16,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1021 places, 1140 transitions, 2579 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:16,685 INFO L231 Difference]: Finished difference. Result has 1026 places, 1140 transitions, 2755 flow [2025-02-06 09:38:16,686 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1201, PETRI_DIFFERENCE_MINUEND_FLOW=2085, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1039, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1009, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2755, PETRI_PLACES=1026, PETRI_TRANSITIONS=1140} [2025-02-06 09:38:16,687 INFO L279 CegarLoopForPetriNet]: 1049 programPoint places, -23 predicate places. [2025-02-06 09:38:16,687 INFO L471 AbstractCegarLoop]: Abstraction has has 1026 places, 1140 transitions, 2755 flow [2025-02-06 09:38:16,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 999.5) internal successors, (5997), 6 states have internal predecessors, (5997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:16,690 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:16,690 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:16,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:38:16,690 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-02-06 09:38:16,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:16,691 INFO L85 PathProgramCache]: Analyzing trace with hash 349931090, now seen corresponding path program 1 times [2025-02-06 09:38:16,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:16,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277329178] [2025-02-06 09:38:16,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:16,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 09:38:16,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 09:38:16,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:16,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:16,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:16,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277329178] [2025-02-06 09:38:16,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277329178] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:16,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:16,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:16,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794672535] [2025-02-06 09:38:16,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:16,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:38:16,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:16,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:38:16,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:38:16,748 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1201 [2025-02-06 09:38:16,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1026 places, 1140 transitions, 2755 flow. Second operand has 3 states, 3 states have (on average 1007.6666666666666) internal successors, (3023), 3 states have internal predecessors, (3023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:16,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:16,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1201 [2025-02-06 09:38:16,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:17,855 INFO L124 PetriNetUnfolderBase]: 703/11583 cut-off events. [2025-02-06 09:38:17,856 INFO L125 PetriNetUnfolderBase]: For 986/1467 co-relation queries the response was YES. [2025-02-06 09:38:17,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13448 conditions, 11583 events. 703/11583 cut-off events. For 986/1467 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 123205 event pairs, 54 based on Foata normal form. 97/11094 useless extension candidates. Maximal degree in co-relation 13439. Up to 563 conditions per place. [2025-02-06 09:38:17,903 INFO L140 encePairwiseOnDemand]: 1192/1201 looper letters, 154 selfloop transitions, 6 changer transitions 0/1168 dead transitions. [2025-02-06 09:38:17,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1027 places, 1168 transitions, 3179 flow [2025-02-06 09:38:17,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:38:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:38:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3088 transitions. [2025-02-06 09:38:17,908 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8570635581459894 [2025-02-06 09:38:17,908 INFO L175 Difference]: Start difference. First operand has 1026 places, 1140 transitions, 2755 flow. Second operand 3 states and 3088 transitions. [2025-02-06 09:38:17,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1027 places, 1168 transitions, 3179 flow [2025-02-06 09:38:17,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1027 places, 1168 transitions, 3179 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:17,931 INFO L231 Difference]: Finished difference. Result has 1029 places, 1144 transitions, 2801 flow [2025-02-06 09:38:17,932 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1201, PETRI_DIFFERENCE_MINUEND_FLOW=2753, PETRI_DIFFERENCE_MINUEND_PLACES=1025, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2801, PETRI_PLACES=1029, PETRI_TRANSITIONS=1144} [2025-02-06 09:38:17,933 INFO L279 CegarLoopForPetriNet]: 1049 programPoint places, -20 predicate places. [2025-02-06 09:38:17,933 INFO L471 AbstractCegarLoop]: Abstraction has has 1029 places, 1144 transitions, 2801 flow [2025-02-06 09:38:17,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1007.6666666666666) internal successors, (3023), 3 states have internal predecessors, (3023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:17,935 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:17,935 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] [2025-02-06 09:38:17,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:38:17,935 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-02-06 09:38:17,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1276396542, now seen corresponding path program 1 times [2025-02-06 09:38:17,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:17,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470159429] [2025-02-06 09:38:17,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:17,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:17,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 09:38:17,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 09:38:17,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:17,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:17,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:17,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470159429] [2025-02-06 09:38:17,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470159429] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:17,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:17,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:17,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368700511] [2025-02-06 09:38:17,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:17,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:38:17,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:17,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:38:17,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:38:17,991 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1010 out of 1201 [2025-02-06 09:38:17,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1029 places, 1144 transitions, 2801 flow. Second operand has 3 states, 3 states have (on average 1010.6666666666666) internal successors, (3032), 3 states have internal predecessors, (3032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:17,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:17,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1010 of 1201 [2025-02-06 09:38:17,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:19,765 INFO L124 PetriNetUnfolderBase]: 876/17141 cut-off events. [2025-02-06 09:38:19,766 INFO L125 PetriNetUnfolderBase]: For 1144/1314 co-relation queries the response was YES. [2025-02-06 09:38:19,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19408 conditions, 17141 events. 876/17141 cut-off events. For 1144/1314 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 194209 event pairs, 106 based on Foata normal form. 20/16395 useless extension candidates. Maximal degree in co-relation 19397. Up to 663 conditions per place. [2025-02-06 09:38:19,930 INFO L140 encePairwiseOnDemand]: 1195/1201 looper letters, 151 selfloop transitions, 4 changer transitions 0/1170 dead transitions. [2025-02-06 09:38:19,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1030 places, 1170 transitions, 3211 flow [2025-02-06 09:38:19,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:38:19,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:38:19,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3091 transitions. [2025-02-06 09:38:19,936 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8578961976131002 [2025-02-06 09:38:19,936 INFO L175 Difference]: Start difference. First operand has 1029 places, 1144 transitions, 2801 flow. Second operand 3 states and 3091 transitions. [2025-02-06 09:38:19,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1030 places, 1170 transitions, 3211 flow [2025-02-06 09:38:19,943 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1028 places, 1170 transitions, 3199 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:38:19,951 INFO L231 Difference]: Finished difference. Result has 1030 places, 1146 transitions, 2817 flow [2025-02-06 09:38:19,953 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1201, PETRI_DIFFERENCE_MINUEND_FLOW=2787, PETRI_DIFFERENCE_MINUEND_PLACES=1026, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2817, PETRI_PLACES=1030, PETRI_TRANSITIONS=1146} [2025-02-06 09:38:19,953 INFO L279 CegarLoopForPetriNet]: 1049 programPoint places, -19 predicate places. [2025-02-06 09:38:19,953 INFO L471 AbstractCegarLoop]: Abstraction has has 1030 places, 1146 transitions, 2817 flow [2025-02-06 09:38:19,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1010.6666666666666) internal successors, (3032), 3 states have internal predecessors, (3032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:19,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:19,955 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] [2025-02-06 09:38:19,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:38:19,955 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-02-06 09:38:19,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:19,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1792146377, now seen corresponding path program 1 times [2025-02-06 09:38:19,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:19,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000752298] [2025-02-06 09:38:19,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:19,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:19,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 09:38:19,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 09:38:19,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:19,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:20,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:20,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000752298] [2025-02-06 09:38:20,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000752298] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:20,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:20,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 09:38:20,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118619092] [2025-02-06 09:38:20,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:20,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 09:38:20,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:20,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 09:38:20,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 09:38:20,054 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1011 out of 1201 [2025-02-06 09:38:20,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1030 places, 1146 transitions, 2817 flow. Second operand has 3 states, 3 states have (on average 1012.3333333333334) internal successors, (3037), 3 states have internal predecessors, (3037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:20,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:20,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1011 of 1201 [2025-02-06 09:38:20,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:21,711 INFO L124 PetriNetUnfolderBase]: 797/16740 cut-off events. [2025-02-06 09:38:21,712 INFO L125 PetriNetUnfolderBase]: For 1135/1586 co-relation queries the response was YES. [2025-02-06 09:38:21,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19040 conditions, 16740 events. 797/16740 cut-off events. For 1135/1586 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 190755 event pairs, 132 based on Foata normal form. 10/16041 useless extension candidates. Maximal degree in co-relation 19028. Up to 787 conditions per place. [2025-02-06 09:38:21,785 INFO L140 encePairwiseOnDemand]: 1198/1201 looper letters, 153 selfloop transitions, 2 changer transitions 0/1173 dead transitions. [2025-02-06 09:38:21,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1032 places, 1173 transitions, 3241 flow [2025-02-06 09:38:21,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 09:38:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 09:38:21,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3090 transitions. [2025-02-06 09:38:21,791 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8576186511240633 [2025-02-06 09:38:21,791 INFO L175 Difference]: Start difference. First operand has 1030 places, 1146 transitions, 2817 flow. Second operand 3 states and 3090 transitions. [2025-02-06 09:38:21,791 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1032 places, 1173 transitions, 3241 flow [2025-02-06 09:38:21,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1030 places, 1173 transitions, 3233 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 09:38:21,809 INFO L231 Difference]: Finished difference. Result has 1031 places, 1146 transitions, 2817 flow [2025-02-06 09:38:21,810 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1201, PETRI_DIFFERENCE_MINUEND_FLOW=2809, PETRI_DIFFERENCE_MINUEND_PLACES=1028, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2817, PETRI_PLACES=1031, PETRI_TRANSITIONS=1146} [2025-02-06 09:38:21,812 INFO L279 CegarLoopForPetriNet]: 1049 programPoint places, -18 predicate places. [2025-02-06 09:38:21,812 INFO L471 AbstractCegarLoop]: Abstraction has has 1031 places, 1146 transitions, 2817 flow [2025-02-06 09:38:21,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1012.3333333333334) internal successors, (3037), 3 states have internal predecessors, (3037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:21,814 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:21,814 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] [2025-02-06 09:38:21,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 09:38:21,814 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-02-06 09:38:21,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:21,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1781572275, now seen corresponding path program 1 times [2025-02-06 09:38:21,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:21,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461898135] [2025-02-06 09:38:21,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:21,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:21,835 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 09:38:21,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 09:38:21,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:21,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:21,853 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:38:21,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 09:38:21,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 09:38:21,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:21,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:21,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:38:21,903 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:38:21,904 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 74 remaining) [2025-02-06 09:38:21,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2025-02-06 09:38:21,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2025-02-06 09:38:21,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2025-02-06 09:38:21,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2025-02-06 09:38:21,905 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2025-02-06 09:38:21,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2025-02-06 09:38:21,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2025-02-06 09:38:21,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2025-02-06 09:38:21,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2025-02-06 09:38:21,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2025-02-06 09:38:21,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2025-02-06 09:38:21,909 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2025-02-06 09:38:21,909 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2025-02-06 09:38:21,909 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2025-02-06 09:38:21,909 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2025-02-06 09:38:21,909 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2025-02-06 09:38:21,910 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2025-02-06 09:38:21,911 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2025-02-06 09:38:21,913 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2025-02-06 09:38:21,913 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2025-02-06 09:38:21,913 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2025-02-06 09:38:21,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 09:38:21,913 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-02-06 09:38:21,915 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:38:21,916 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-06 09:38:22,214 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:38:22,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1986 places, 2271 transitions, 4558 flow [2025-02-06 09:38:23,549 INFO L124 PetriNetUnfolderBase]: 327/2493 cut-off events. [2025-02-06 09:38:23,550 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:38:23,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2505 conditions, 2493 events. 327/2493 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 13837 event pairs, 0 based on Foata normal form. 0/2075 useless extension candidates. Maximal degree in co-relation 2275. Up to 12 conditions per place. [2025-02-06 09:38:23,661 INFO L82 GeneralOperation]: Start removeDead. Operand has 1986 places, 2271 transitions, 4558 flow [2025-02-06 09:38:23,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1986 places, 2271 transitions, 4558 flow [2025-02-06 09:38:23,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:23,750 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;@2d757865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:23,750 INFO L334 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2025-02-06 09:38:23,752 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:23,752 INFO L124 PetriNetUnfolderBase]: 12/71 cut-off events. [2025-02-06 09:38:23,752 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:23,753 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:23,753 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] [2025-02-06 09:38:23,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2025-02-06 09:38:23,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:23,756 INFO L85 PathProgramCache]: Analyzing trace with hash 597164349, now seen corresponding path program 1 times [2025-02-06 09:38:23,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:23,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636218701] [2025-02-06 09:38:23,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:23,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:23,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 09:38:23,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 09:38:23,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:23,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:23,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:23,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636218701] [2025-02-06 09:38:23,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636218701] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:23,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:23,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:23,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355317275] [2025-02-06 09:38:23,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:23,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:23,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:23,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:23,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:23,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1923 out of 2271 [2025-02-06 09:38:23,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1986 places, 2271 transitions, 4558 flow. Second operand has 2 states, 2 states have (on average 1923.5) internal successors, (3847), 2 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:23,787 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:23,787 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1923 of 2271 [2025-02-06 09:38:23,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:29,871 INFO L124 PetriNetUnfolderBase]: 1327/28737 cut-off events. [2025-02-06 09:38:29,871 INFO L125 PetriNetUnfolderBase]: For 257/257 co-relation queries the response was YES. [2025-02-06 09:38:30,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30220 conditions, 28737 events. 1327/28737 cut-off events. For 257/257 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 384520 event pairs, 648 based on Foata normal form. 15182/42531 useless extension candidates. Maximal degree in co-relation 2392. Up to 1351 conditions per place. [2025-02-06 09:38:30,252 INFO L140 encePairwiseOnDemand]: 1975/2271 looper letters, 52 selfloop transitions, 0 changer transitions 0/1971 dead transitions. [2025-02-06 09:38:30,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1923 places, 1971 transitions, 4062 flow [2025-02-06 09:38:30,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4194 transitions. [2025-02-06 09:38:30,258 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9233817701453104 [2025-02-06 09:38:30,259 INFO L175 Difference]: Start difference. First operand has 1986 places, 2271 transitions, 4558 flow. Second operand 2 states and 4194 transitions. [2025-02-06 09:38:30,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1923 places, 1971 transitions, 4062 flow [2025-02-06 09:38:30,264 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1923 places, 1971 transitions, 4062 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:30,277 INFO L231 Difference]: Finished difference. Result has 1923 places, 1971 transitions, 3958 flow [2025-02-06 09:38:30,279 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=2271, PETRI_DIFFERENCE_MINUEND_FLOW=3958, PETRI_DIFFERENCE_MINUEND_PLACES=1922, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1971, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1971, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3958, PETRI_PLACES=1923, PETRI_TRANSITIONS=1971} [2025-02-06 09:38:30,281 INFO L279 CegarLoopForPetriNet]: 1986 programPoint places, -63 predicate places. [2025-02-06 09:38:30,281 INFO L471 AbstractCegarLoop]: Abstraction has has 1923 places, 1971 transitions, 3958 flow [2025-02-06 09:38:30,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1923.5) internal successors, (3847), 2 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:30,283 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:30,283 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] [2025-02-06 09:38:30,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 09:38:30,283 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 105 more)] === [2025-02-06 09:38:30,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:30,284 INFO L85 PathProgramCache]: Analyzing trace with hash -295737326, now seen corresponding path program 1 times [2025-02-06 09:38:30,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:30,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716414666] [2025-02-06 09:38:30,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:30,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:30,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 09:38:30,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 09:38:30,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:30,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:38:30,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:30,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716414666] [2025-02-06 09:38:30,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716414666] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:30,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:30,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:30,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668362682] [2025-02-06 09:38:30,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:30,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:30,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:30,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:30,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:30,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1904 out of 2271 [2025-02-06 09:38:30,815 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1923 places, 1971 transitions, 3958 flow. Second operand has 6 states, 6 states have (on average 1905.5) internal successors, (11433), 6 states have internal predecessors, (11433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 09:38:30,815 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:30,815 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1904 of 2271 [2025-02-06 09:38:30,815 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand