./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rwlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rwlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:06:40,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:06:40,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 06:06:40,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:06:40,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:06:40,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:06:40,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:06:40,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:06:40,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:06:40,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:06:40,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:06:40,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:06:40,523 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:06:40,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:06:40,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:06:40,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:06:40,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:06:40,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:06:40,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:06:40,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:06:40,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:06:40,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:06:40,531 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 06:06:40,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:06:40,531 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:06:40,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:06:40,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:06:40,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:06:40,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:06:40,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:06:40,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:06:40,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:06:40,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:06:40,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:06:40,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 06:06:40,534 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:06:40,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:06:40,537 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:06:40,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:06:40,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:06:40,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:06:40,539 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 [2024-11-19 06:06:40,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:06:40,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:06:40,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:06:40,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:06:40,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:06:40,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rwlock.i [2024-11-19 06:06:42,417 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:06:42,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:06:42,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rwlock.i [2024-11-19 06:06:42,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbbe7cf05/7c6686cd652344299914cf57bd1701d1/FLAG7bfcce7a2 [2024-11-19 06:06:43,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbbe7cf05/7c6686cd652344299914cf57bd1701d1 [2024-11-19 06:06:43,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:06:43,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:06:43,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:06:43,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:06:43,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:06:43,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:06:43" (1/1) ... [2024-11-19 06:06:43,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5e9927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:43, skipping insertion in model container [2024-11-19 06:06:43,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:06:43" (1/1) ... [2024-11-19 06:06:43,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:06:45,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:06:45,623 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:06:45,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-19 06:06:45,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-19 06:06:45,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-19 06:06:45,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-19 06:06:45,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-19 06:06:45,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-19 06:06:45,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-19 06:06:45,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-19 06:06:45,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-19 06:06:45,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-19 06:06:45,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-19 06:06:45,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-19 06:06:45,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-19 06:06:45,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-19 06:06:45,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-19 06:06:45,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-19 06:06:45,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-19 06:06:45,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-19 06:06:45,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-19 06:06:45,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-19 06:06:45,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-19 06:06:45,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-19 06:06:45,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-19 06:06:45,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-19 06:06:45,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-19 06:06:45,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-19 06:06:45,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-19 06:06:45,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-19 06:06:45,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-19 06:06:45,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-19 06:06:45,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-19 06:06:45,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-19 06:06:45,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-19 06:06:45,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-19 06:06:45,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-19 06:06:45,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-19 06:06:45,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-19 06:06:45,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-19 06:06:45,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-19 06:06:45,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-19 06:06:45,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-19 06:06:45,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-19 06:06:45,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-19 06:06:45,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-19 06:06:45,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-19 06:06:45,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-19 06:06:45,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-19 06:06:45,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-19 06:06:45,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-19 06:06:45,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-19 06:06:45,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-19 06:06:45,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-19 06:06:45,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-19 06:06:45,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-19 06:06:45,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-19 06:06:45,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-19 06:06:45,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-19 06:06:45,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-19 06:06:45,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-19 06:06:45,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-19 06:06:45,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-19 06:06:45,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-19 06:06:45,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-19 06:06:45,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-19 06:06:45,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-19 06:06:45,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-19 06:06:45,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-19 06:06:45,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-19 06:06:45,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-19 06:06:45,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-19 06:06:45,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-19 06:06:45,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-19 06:06:45,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-19 06:06:45,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-19 06:06:45,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-19 06:06:45,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-19 06:06:45,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-19 06:06:45,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-19 06:06:45,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-19 06:06:45,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-19 06:06:45,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-19 06:06:45,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-19 06:06:45,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-19 06:06:45,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-19 06:06:45,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-19 06:06:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-19 06:06:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-19 06:06:45,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-19 06:06:45,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-19 06:06:45,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-19 06:06:45,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-19 06:06:45,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-19 06:06:45,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-19 06:06:45,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-19 06:06:45,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-19 06:06:45,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-19 06:06:45,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-19 06:06:45,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-19 06:06:45,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-19 06:06:45,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-19 06:06:45,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:06:46,230 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:06:46,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46 WrapperNode [2024-11-19 06:06:46,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:06:46,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:06:46,233 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:06:46,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:06:46,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,421 INFO L138 Inliner]: procedures = 930, calls = 943, calls flagged for inlining = 835, calls inlined = 70, statements flattened = 869 [2024-11-19 06:06:46,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:06:46,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:06:46,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:06:46,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:06:46,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:06:46,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:06:46,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:06:46,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:06:46,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (1/1) ... [2024-11-19 06:06:46,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:06:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:06:46,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 06:06:46,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 06:06:46,605 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-19 06:06:46,607 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-19 06:06:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 06:06:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:06:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:06:46,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:06:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 06:06:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 06:06:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:06:46,608 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-19 06:06:46,609 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-19 06:06:46,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 06:06:46,611 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 06:06:46,836 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:06:46,839 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:06:47,880 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 06:06:47,880 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:06:48,121 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:06:48,121 INFO L316 CfgBuilder]: Removed 128 assume(true) statements. [2024-11-19 06:06:48,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:06:48 BoogieIcfgContainer [2024-11-19 06:06:48,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:06:48,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:06:48,125 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:06:48,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:06:48,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:06:43" (1/3) ... [2024-11-19 06:06:48,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5932f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:06:48, skipping insertion in model container [2024-11-19 06:06:48,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:46" (2/3) ... [2024-11-19 06:06:48,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f5932f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:06:48, skipping insertion in model container [2024-11-19 06:06:48,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:06:48" (3/3) ... [2024-11-19 06:06:48,133 INFO L112 eAbstractionObserver]: Analyzing ICFG rwlock.i [2024-11-19 06:06:48,151 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:06:48,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2024-11-19 06:06:48,151 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 06:06:48,407 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 06:06:48,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 791 places, 935 transitions, 1884 flow [2024-11-19 06:06:49,080 INFO L124 PetriNetUnfolderBase]: 266/1570 cut-off events. [2024-11-19 06:06:49,081 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 06:06:49,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 1570 events. 266/1570 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6791 event pairs, 0 based on Foata normal form. 0/1241 useless extension candidates. Maximal degree in co-relation 980. Up to 12 conditions per place. [2024-11-19 06:06:49,140 INFO L82 GeneralOperation]: Start removeDead. Operand has 791 places, 935 transitions, 1884 flow [2024-11-19 06:06:49,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 791 places, 935 transitions, 1884 flow [2024-11-19 06:06:49,192 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:06:49,200 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;@3da1fc8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:06:49,200 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-19 06:06:49,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:06:49,207 INFO L124 PetriNetUnfolderBase]: 14/65 cut-off events. [2024-11-19 06:06:49,207 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:06:49,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:49,208 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:06:49,208 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-19 06:06:49,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:49,213 INFO L85 PathProgramCache]: Analyzing trace with hash -460771620, now seen corresponding path program 1 times [2024-11-19 06:06:49,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:49,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081460748] [2024-11-19 06:06:49,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:49,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:49,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:49,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081460748] [2024-11-19 06:06:49,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081460748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:49,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:49,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:06:49,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128136676] [2024-11-19 06:06:49,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:49,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 06:06:49,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:49,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 06:06:49,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 06:06:49,540 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 768 out of 935 [2024-11-19 06:06:49,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 791 places, 935 transitions, 1884 flow. Second operand has 2 states, 2 states have (on average 768.5) internal successors, (1537), 2 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:06:49,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:49,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 768 of 935 [2024-11-19 06:06:49,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:51,078 INFO L124 PetriNetUnfolderBase]: 121/4288 cut-off events. [2024-11-19 06:06:51,078 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-19 06:06:51,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4464 conditions, 4288 events. 121/4288 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 27275 event pairs, 54 based on Foata normal form. 1871/5873 useless extension candidates. Maximal degree in co-relation 3735. Up to 135 conditions per place. [2024-11-19 06:06:51,165 INFO L140 encePairwiseOnDemand]: 784/935 looper letters, 16 selfloop transitions, 0 changer transitions 0/778 dead transitions. [2024-11-19 06:06:51,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 769 places, 778 transitions, 1602 flow [2024-11-19 06:06:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 06:06:51,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 06:06:51,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1703 transitions. [2024-11-19 06:06:51,185 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9106951871657754 [2024-11-19 06:06:51,187 INFO L175 Difference]: Start difference. First operand has 791 places, 935 transitions, 1884 flow. Second operand 2 states and 1703 transitions. [2024-11-19 06:06:51,188 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 769 places, 778 transitions, 1602 flow [2024-11-19 06:06:51,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 778 transitions, 1602 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:06:51,209 INFO L231 Difference]: Finished difference. Result has 769 places, 778 transitions, 1570 flow [2024-11-19 06:06:51,212 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=935, PETRI_DIFFERENCE_MINUEND_FLOW=1570, PETRI_DIFFERENCE_MINUEND_PLACES=768, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=778, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1570, PETRI_PLACES=769, PETRI_TRANSITIONS=778} [2024-11-19 06:06:51,217 INFO L277 CegarLoopForPetriNet]: 791 programPoint places, -22 predicate places. [2024-11-19 06:06:51,218 INFO L471 AbstractCegarLoop]: Abstraction has has 769 places, 778 transitions, 1570 flow [2024-11-19 06:06:51,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 768.5) internal successors, (1537), 2 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:06:51,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:51,220 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:06:51,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:06:51,220 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-19 06:06:51,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:51,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1734934198, now seen corresponding path program 1 times [2024-11-19 06:06:51,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:51,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474737294] [2024-11-19 06:06:51,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:51,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:52,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:52,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:52,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474737294] [2024-11-19 06:06:52,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474737294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:52,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:52,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:06:52,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300868182] [2024-11-19 06:06:52,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:52,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:06:52,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:52,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:06:52,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:06:52,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 935 [2024-11-19 06:06:52,667 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 778 transitions, 1570 flow. Second operand has 6 states, 6 states have (on average 738.5) internal successors, (4431), 6 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:06:52,667 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:52,668 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 935 [2024-11-19 06:06:52,668 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:59,662 INFO L124 PetriNetUnfolderBase]: 2804/29627 cut-off events. [2024-11-19 06:06:59,663 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2024-11-19 06:06:59,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33619 conditions, 29627 events. 2804/29627 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 363379 event pairs, 2069 based on Foata normal form. 0/27978 useless extension candidates. Maximal degree in co-relation 33614. Up to 3827 conditions per place. [2024-11-19 06:06:59,980 INFO L140 encePairwiseOnDemand]: 913/935 looper letters, 46 selfloop transitions, 66 changer transitions 0/843 dead transitions. [2024-11-19 06:06:59,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 843 transitions, 1924 flow [2024-11-19 06:06:59,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:06:59,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:06:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4535 transitions. [2024-11-19 06:06:59,992 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8083778966131907 [2024-11-19 06:06:59,992 INFO L175 Difference]: Start difference. First operand has 769 places, 778 transitions, 1570 flow. Second operand 6 states and 4535 transitions. [2024-11-19 06:06:59,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 774 places, 843 transitions, 1924 flow [2024-11-19 06:06:59,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 843 transitions, 1924 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:07:00,015 INFO L231 Difference]: Finished difference. Result has 779 places, 843 transitions, 2006 flow [2024-11-19 06:07:00,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=935, PETRI_DIFFERENCE_MINUEND_FLOW=1570, PETRI_DIFFERENCE_MINUEND_PLACES=769, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=757, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2006, PETRI_PLACES=779, PETRI_TRANSITIONS=843} [2024-11-19 06:07:00,020 INFO L277 CegarLoopForPetriNet]: 791 programPoint places, -12 predicate places. [2024-11-19 06:07:00,020 INFO L471 AbstractCegarLoop]: Abstraction has has 779 places, 843 transitions, 2006 flow [2024-11-19 06:07:00,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 738.5) internal successors, (4431), 6 states have internal predecessors, (4431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:07:00,023 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:07:00,023 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:07:00,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:07:00,024 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-19 06:07:00,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:07:00,025 INFO L85 PathProgramCache]: Analyzing trace with hash 373147270, now seen corresponding path program 1 times [2024-11-19 06:07:00,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:07:00,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780650690] [2024-11-19 06:07:00,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:07:00,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:07:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:07:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:07:00,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:07:00,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780650690] [2024-11-19 06:07:00,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780650690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:07:00,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:07:00,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:07:00,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487098207] [2024-11-19 06:07:00,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:07:00,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:07:00,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:07:00,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:07:00,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:07:00,136 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 762 out of 935 [2024-11-19 06:07:00,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 779 places, 843 transitions, 2006 flow. Second operand has 3 states, 3 states have (on average 763.3333333333334) internal successors, (2290), 3 states have internal predecessors, (2290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:07:00,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:07:00,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 762 of 935 [2024-11-19 06:07:00,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:07:01,785 INFO L124 PetriNetUnfolderBase]: 434/8665 cut-off events. [2024-11-19 06:07:01,785 INFO L125 PetriNetUnfolderBase]: For 433/702 co-relation queries the response was YES. [2024-11-19 06:07:01,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9756 conditions, 8665 events. 434/8665 cut-off events. For 433/702 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 74608 event pairs, 50 based on Foata normal form. 32/8224 useless extension candidates. Maximal degree in co-relation 9746. Up to 422 conditions per place. [2024-11-19 06:07:01,853 INFO L140 encePairwiseOnDemand]: 932/935 looper letters, 56 selfloop transitions, 2 changer transitions 0/851 dead transitions. [2024-11-19 06:07:01,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 851 transitions, 2156 flow [2024-11-19 06:07:01,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:07:01,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:07:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2316 transitions. [2024-11-19 06:07:01,859 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.825668449197861 [2024-11-19 06:07:01,859 INFO L175 Difference]: Start difference. First operand has 779 places, 843 transitions, 2006 flow. Second operand 3 states and 2316 transitions. [2024-11-19 06:07:01,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 851 transitions, 2156 flow [2024-11-19 06:07:01,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 851 transitions, 2156 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:07:01,878 INFO L231 Difference]: Finished difference. Result has 782 places, 843 transitions, 2014 flow [2024-11-19 06:07:01,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=935, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=843, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=841, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2014, PETRI_PLACES=782, PETRI_TRANSITIONS=843} [2024-11-19 06:07:01,880 INFO L277 CegarLoopForPetriNet]: 791 programPoint places, -9 predicate places. [2024-11-19 06:07:01,881 INFO L471 AbstractCegarLoop]: Abstraction has has 782 places, 843 transitions, 2014 flow [2024-11-19 06:07:01,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 763.3333333333334) internal successors, (2290), 3 states have internal predecessors, (2290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:07:01,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:07:01,884 INFO L204 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] [2024-11-19 06:07:01,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:07:01,884 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2024-11-19 06:07:01,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:07:01,886 INFO L85 PathProgramCache]: Analyzing trace with hash 556695482, now seen corresponding path program 1 times [2024-11-19 06:07:01,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:07:01,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515827532] [2024-11-19 06:07:01,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:07:01,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:07:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:07:01,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 06:07:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:07:01,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 06:07:01,987 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 06:07:01,988 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 58 remaining) [2024-11-19 06:07:01,990 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2024-11-19 06:07:01,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2024-11-19 06:07:01,991 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2024-11-19 06:07:01,992 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2024-11-19 06:07:01,994 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2024-11-19 06:07:01,995 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2024-11-19 06:07:01,996 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2024-11-19 06:07:01,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2024-11-19 06:07:01,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2024-11-19 06:07:01,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2024-11-19 06:07:01,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2024-11-19 06:07:02,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (23 of 58 remaining) [2024-11-19 06:07:02,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (22 of 58 remaining) [2024-11-19 06:07:02,000 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2024-11-19 06:07:02,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2024-11-19 06:07:02,001 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2024-11-19 06:07:02,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2024-11-19 06:07:02,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2024-11-19 06:07:02,003 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2024-11-19 06:07:02,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2024-11-19 06:07:02,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2024-11-19 06:07:02,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2024-11-19 06:07:02,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2024-11-19 06:07:02,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2024-11-19 06:07:02,004 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2024-11-19 06:07:02,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2024-11-19 06:07:02,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2024-11-19 06:07:02,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2024-11-19 06:07:02,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2024-11-19 06:07:02,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2024-11-19 06:07:02,005 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2024-11-19 06:07:02,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2024-11-19 06:07:02,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2024-11-19 06:07:02,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2024-11-19 06:07:02,006 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2024-11-19 06:07:02,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:07:02,007 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 06:07:02,010 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 06:07:02,010 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-19 06:07:02,253 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-19 06:07:02,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1446 places, 1706 transitions, 3444 flow [2024-11-19 06:07:04,962 INFO L124 PetriNetUnfolderBase]: 735/4261 cut-off events. [2024-11-19 06:07:04,963 INFO L125 PetriNetUnfolderBase]: For 40/52 co-relation queries the response was YES. [2024-11-19 06:07:05,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4318 conditions, 4261 events. 735/4261 cut-off events. For 40/52 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 26621 event pairs, 1 based on Foata normal form. 0/3351 useless extension candidates. Maximal degree in co-relation 2677. Up to 48 conditions per place. [2024-11-19 06:07:05,192 INFO L82 GeneralOperation]: Start removeDead. Operand has 1446 places, 1706 transitions, 3444 flow [2024-11-19 06:07:05,312 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1446 places, 1706 transitions, 3444 flow [2024-11-19 06:07:05,313 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:07:05,314 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;@3da1fc8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:07:05,314 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-19 06:07:05,318 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:07:05,318 INFO L124 PetriNetUnfolderBase]: 14/65 cut-off events. [2024-11-19 06:07:05,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:07:05,318 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:07:05,318 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:07:05,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2024-11-19 06:07:05,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:07:05,319 INFO L85 PathProgramCache]: Analyzing trace with hash -2003684763, now seen corresponding path program 1 times [2024-11-19 06:07:05,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:07:05,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224984455] [2024-11-19 06:07:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:07:05,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:07:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:07:05,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:07:05,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:07:05,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224984455] [2024-11-19 06:07:05,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224984455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:07:05,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:07:05,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:07:05,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583471461] [2024-11-19 06:07:05,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:07:05,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 06:07:05,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:07:05,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 06:07:05,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 06:07:05,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1401 out of 1706 [2024-11-19 06:07:05,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1446 places, 1706 transitions, 3444 flow. Second operand has 2 states, 2 states have (on average 1401.5) internal successors, (2803), 2 states have internal predecessors, (2803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 06:07:05,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:07:05,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1401 of 1706 [2024-11-19 06:07:05,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand