./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/cnalock.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/cnalock.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 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:38:05,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:38:05,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-06 09:38:05,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:38:05,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:38:05,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:38:05,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:38:05,792 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:38:05,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:38:05,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:38:05,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:38:05,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:38:05,792 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:38:05,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:38:05,793 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:38:05,794 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:05,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 09:38:05,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 09:38:05,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:38:05,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:38:05,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:38:05,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:38:05,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:38:05,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:38:05,795 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 -> 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 [2025-02-06 09:38:05,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:38:06,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:38:06,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:38:06,006 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:38:06,006 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:38:06,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/cnalock.i [2025-02-06 09:38:07,291 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cea86d2d/d845aa92501543a2bc711a7c20f39604/FLAG3103fa658 [2025-02-06 09:38:07,778 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:38:07,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i [2025-02-06 09:38:07,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cea86d2d/d845aa92501543a2bc711a7c20f39604/FLAG3103fa658 [2025-02-06 09:38:07,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1cea86d2d/d845aa92501543a2bc711a7c20f39604 [2025-02-06 09:38:07,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:38:07,880 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:38:07,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:07,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:38:07,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:38:07,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:07" (1/1) ... [2025-02-06 09:38:07,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c724088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:07, skipping insertion in model container [2025-02-06 09:38:07,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:38:07" (1/1) ... [2025-02-06 09:38:07,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:38:10,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:10,675 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:38:10,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-02-06 09:38:10,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-02-06 09:38:10,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-02-06 09:38:10,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-02-06 09:38:10,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-02-06 09:38:10,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-02-06 09:38:10,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-02-06 09:38:10,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-02-06 09:38:10,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-02-06 09:38:10,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-02-06 09:38:10,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-02-06 09:38:10,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-02-06 09:38:10,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-02-06 09:38:10,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-02-06 09:38:10,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-02-06 09:38:10,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-02-06 09:38:10,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-02-06 09:38:10,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-02-06 09:38:10,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-02-06 09:38:10,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-02-06 09:38:10,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-02-06 09:38:10,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-02-06 09:38:10,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-02-06 09:38:10,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-02-06 09:38:10,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-02-06 09:38:10,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-02-06 09:38:10,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-02-06 09:38:10,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-02-06 09:38:10,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-02-06 09:38:10,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-02-06 09:38:10,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-02-06 09:38:10,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-02-06 09:38:10,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-02-06 09:38:10,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-02-06 09:38:10,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-02-06 09:38:10,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-02-06 09:38:10,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-02-06 09:38:10,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-02-06 09:38:10,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-02-06 09:38:10,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-02-06 09:38:10,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-02-06 09:38:10,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-02-06 09:38:10,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-02-06 09:38:10,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-02-06 09:38:10,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-02-06 09:38:10,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-02-06 09:38:10,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-02-06 09:38:10,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-02-06 09:38:10,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-02-06 09:38:10,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-02-06 09:38:10,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-02-06 09:38:10,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-02-06 09:38:10,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-02-06 09:38:10,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-02-06 09:38:10,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-02-06 09:38:10,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-02-06 09:38:10,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-02-06 09:38:10,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-02-06 09:38:10,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-02-06 09:38:10,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-02-06 09:38:10,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-02-06 09:38:10,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-02-06 09:38:10,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-02-06 09:38:10,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-02-06 09:38:10,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-02-06 09:38:10,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-02-06 09:38:10,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-02-06 09:38:10,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-02-06 09:38:10,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-02-06 09:38:10,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-02-06 09:38:10,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-02-06 09:38:10,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-02-06 09:38:10,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-02-06 09:38:10,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-02-06 09:38:10,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-02-06 09:38:10,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-02-06 09:38:10,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-02-06 09:38:10,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-02-06 09:38:10,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-02-06 09:38:10,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-02-06 09:38:10,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-02-06 09:38:10,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-02-06 09:38:10,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-02-06 09:38:10,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-02-06 09:38:10,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-02-06 09:38:10,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-02-06 09:38:10,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-02-06 09:38:10,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-02-06 09:38:10,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-02-06 09:38:10,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-02-06 09:38:10,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-02-06 09:38:10,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-02-06 09:38:10,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-02-06 09:38:10,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-02-06 09:38:10,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-02-06 09:38:10,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-02-06 09:38:10,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-02-06 09:38:10,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-02-06 09:38:10,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-02-06 09:38:10,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-02-06 09:38:10,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:38:11,049 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:38:11,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11 WrapperNode [2025-02-06 09:38:11,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:38:11,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:11,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:38:11,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:38:11,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,151 INFO L138 Inliner]: procedures = 919, calls = 958, calls flagged for inlining = 842, calls inlined = 87, statements flattened = 975 [2025-02-06 09:38:11,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:38:11,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:38:11,152 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:38:11,152 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:38:11,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,189 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,192 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:38:11,212 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:38:11,212 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:38:11,212 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:38:11,213 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (1/1) ... [2025-02-06 09:38:11,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:38:11,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:38:11,246 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 09:38:11,248 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 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:38:11,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-02-06 09:38:11,263 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-02-06 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 09:38:11,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 09:38:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:38:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 09:38:11,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 09:38:11,265 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 09:38:11,391 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:38:11,392 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:38:11,569 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-06 09:38:11,570 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-06 09:38:12,477 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-06 09:38:12,478 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-06 09:38:12,478 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-06 09:38:12,478 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-02-06 09:38:12,478 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-9: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-02-06 09:38:12,478 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-18: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-02-06 09:38:12,478 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L5403: havoc _cnalock_keep_lock_local_#t~ret803#1; [2025-02-06 09:38:12,478 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 09:38:12,478 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 09:38:12,478 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 09:38:12,478 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 09:38:12,478 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 09:38:12,479 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 09:38:12,479 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 09:38:12,479 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-27: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-02-06 09:38:12,479 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2025-02-06 09:38:12,479 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660-9: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2025-02-06 09:38:12,480 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 09:38:12,480 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:38:12,710 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:38:12,710 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:38:12,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:38:12 BoogieIcfgContainer [2025-02-06 09:38:12,713 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:38:12,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:38:12,715 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:38:12,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:38:12,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:38:07" (1/3) ... [2025-02-06 09:38:12,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9e0008 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 09:38:12,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:38:11" (2/3) ... [2025-02-06 09:38:12,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9e0008 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 09:38:12,728 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 09:38:12,729 INFO L128 eAbstractionObserver]: Analyzing ICFG cnalock.i [2025-02-06 09:38:12,758 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:38:12,759 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cnalock.i that has 2 procedures, 982 locations, 1 initial locations, 39 loop locations, and 44 error locations. [2025-02-06 09:38:12,761 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 09:38:13,041 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-06 09:38:13,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 985 places, 1073 transitions, 2153 flow [2025-02-06 09:38:13,470 INFO L124 PetriNetUnfolderBase]: 105/1168 cut-off events. [2025-02-06 09:38:13,472 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-06 09:38:13,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1173 conditions, 1168 events. 105/1168 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 3920 event pairs, 0 based on Foata normal form. 0/1010 useless extension candidates. Maximal degree in co-relation 1013. Up to 6 conditions per place. [2025-02-06 09:38:13,497 INFO L82 GeneralOperation]: Start removeDead. Operand has 985 places, 1073 transitions, 2153 flow [2025-02-06 09:38:13,516 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 985 places, 1073 transitions, 2153 flow [2025-02-06 09:38:13,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:13,539 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;@1cd9ec32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:13,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2025-02-06 09:38:13,553 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:13,554 INFO L124 PetriNetUnfolderBase]: 6/72 cut-off events. [2025-02-06 09:38:13,554 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:13,554 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:13,554 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:13,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2025-02-06 09:38:13,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:13,559 INFO L85 PathProgramCache]: Analyzing trace with hash 960168668, now seen corresponding path program 1 times [2025-02-06 09:38:13,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:13,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447963062] [2025-02-06 09:38:13,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:13,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:13,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 09:38:13,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 09:38:13,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:13,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:13,782 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 09:38:13,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447963062] [2025-02-06 09:38:13,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447963062] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:13,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:13,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:13,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341178200] [2025-02-06 09:38:13,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:13,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:13,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:13,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:13,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:13,842 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 938 out of 1073 [2025-02-06 09:38:13,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 985 places, 1073 transitions, 2153 flow. Second operand has 2 states, 2 states have (on average 938.5) internal successors, (1877), 2 states have internal predecessors, (1877), 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 09:38:13,853 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:13,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 938 of 1073 [2025-02-06 09:38:13,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:14,440 INFO L124 PetriNetUnfolderBase]: 50/2609 cut-off events. [2025-02-06 09:38:14,440 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-06 09:38:14,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2703 conditions, 2609 events. 50/2609 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 15851 event pairs, 28 based on Foata normal form. 497/2844 useless extension candidates. Maximal degree in co-relation 2564. Up to 89 conditions per place. [2025-02-06 09:38:14,453 INFO L140 encePairwiseOnDemand]: 969/1073 looper letters, 31 selfloop transitions, 0 changer transitions 0/965 dead transitions. [2025-02-06 09:38:14,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 947 places, 965 transitions, 1999 flow [2025-02-06 09:38:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2011 transitions. [2025-02-06 09:38:14,473 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9370922646784716 [2025-02-06 09:38:14,476 INFO L175 Difference]: Start difference. First operand has 985 places, 1073 transitions, 2153 flow. Second operand 2 states and 2011 transitions. [2025-02-06 09:38:14,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 947 places, 965 transitions, 1999 flow [2025-02-06 09:38:14,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 965 transitions, 1999 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:14,498 INFO L231 Difference]: Finished difference. Result has 947 places, 965 transitions, 1937 flow [2025-02-06 09:38:14,501 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1073, PETRI_DIFFERENCE_MINUEND_FLOW=1937, PETRI_DIFFERENCE_MINUEND_PLACES=946, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=965, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1937, PETRI_PLACES=947, PETRI_TRANSITIONS=965} [2025-02-06 09:38:14,504 INFO L279 CegarLoopForPetriNet]: 985 programPoint places, -38 predicate places. [2025-02-06 09:38:14,505 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 965 transitions, 1937 flow [2025-02-06 09:38:14,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 938.5) internal successors, (1877), 2 states have internal predecessors, (1877), 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 09:38:14,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:14,506 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:14,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 09:38:14,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2025-02-06 09:38:14,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:14,508 INFO L85 PathProgramCache]: Analyzing trace with hash 64011464, now seen corresponding path program 1 times [2025-02-06 09:38:14,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:14,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439847229] [2025-02-06 09:38:14,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:14,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 09:38:14,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 09:38:14,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:14,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:15,484 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 09:38:15,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:15,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439847229] [2025-02-06 09:38:15,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439847229] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:15,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:15,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:15,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937069607] [2025-02-06 09:38:15,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:15,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:15,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:15,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:15,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:15,633 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1073 [2025-02-06 09:38:15,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 965 transitions, 1937 flow. Second operand has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 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 09:38:15,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:15,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1073 [2025-02-06 09:38:15,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:17,496 INFO L124 PetriNetUnfolderBase]: 765/8834 cut-off events. [2025-02-06 09:38:17,496 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:38:17,510 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10144 conditions, 8834 events. 765/8834 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 93292 event pairs, 306 based on Foata normal form. 0/8191 useless extension candidates. Maximal degree in co-relation 10140. Up to 1124 conditions per place. [2025-02-06 09:38:17,531 INFO L140 encePairwiseOnDemand]: 1038/1073 looper letters, 49 selfloop transitions, 118 changer transitions 0/1082 dead transitions. [2025-02-06 09:38:17,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 1082 transitions, 2505 flow [2025-02-06 09:38:17,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:38:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 09:38:17,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5682 transitions. [2025-02-06 09:38:17,542 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8825722273998136 [2025-02-06 09:38:17,542 INFO L175 Difference]: Start difference. First operand has 947 places, 965 transitions, 1937 flow. Second operand 6 states and 5682 transitions. [2025-02-06 09:38:17,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 1082 transitions, 2505 flow [2025-02-06 09:38:17,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 1082 transitions, 2505 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:17,559 INFO L231 Difference]: Finished difference. Result has 957 places, 1082 transitions, 2711 flow [2025-02-06 09:38:17,560 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1073, PETRI_DIFFERENCE_MINUEND_FLOW=1937, PETRI_DIFFERENCE_MINUEND_PLACES=947, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=965, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=931, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2711, PETRI_PLACES=957, PETRI_TRANSITIONS=1082} [2025-02-06 09:38:17,561 INFO L279 CegarLoopForPetriNet]: 985 programPoint places, -28 predicate places. [2025-02-06 09:38:17,561 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 1082 transitions, 2711 flow [2025-02-06 09:38:17,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 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 09:38:17,564 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:17,564 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:17,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 09:38:17,565 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2025-02-06 09:38:17,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:17,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1503584011, now seen corresponding path program 1 times [2025-02-06 09:38:17,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:17,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599205968] [2025-02-06 09:38:17,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:17,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:17,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 09:38:17,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 09:38:17,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:17,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:17,601 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 09:38:17,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 09:38:17,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 09:38:17,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:17,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 09:38:17,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 09:38:17,654 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 09:38:17,655 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (82 of 83 remaining) [2025-02-06 09:38:17,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2025-02-06 09:38:17,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2025-02-06 09:38:17,657 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2025-02-06 09:38:17,658 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2025-02-06 09:38:17,659 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36ASSERT_VIOLATIONDATA_RACE (35 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35ASSERT_VIOLATIONDATA_RACE (34 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (33 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2025-02-06 09:38:17,660 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2025-02-06 09:38:17,661 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2025-02-06 09:38:17,662 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2025-02-06 09:38:17,663 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2025-02-06 09:38:17,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 09:38:17,663 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-06 09:38:17,665 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-06 09:38:17,665 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-06 09:38:17,919 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-06 09:38:17,931 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1830 places, 1987 transitions, 3990 flow [2025-02-06 09:38:19,087 INFO L124 PetriNetUnfolderBase]: 199/2241 cut-off events. [2025-02-06 09:38:19,088 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-06 09:38:19,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2253 conditions, 2241 events. 199/2241 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 11190 event pairs, 0 based on Foata normal form. 0/1940 useless extension candidates. Maximal degree in co-relation 1979. Up to 12 conditions per place. [2025-02-06 09:38:19,192 INFO L82 GeneralOperation]: Start removeDead. Operand has 1830 places, 1987 transitions, 3990 flow [2025-02-06 09:38:19,239 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1830 places, 1987 transitions, 3990 flow [2025-02-06 09:38:19,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:38:19,241 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;@1cd9ec32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:38:19,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2025-02-06 09:38:19,245 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 09:38:19,246 INFO L124 PetriNetUnfolderBase]: 6/72 cut-off events. [2025-02-06 09:38:19,246 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 09:38:19,246 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:19,246 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:19,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2025-02-06 09:38:19,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:19,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1447607140, now seen corresponding path program 1 times [2025-02-06 09:38:19,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:19,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103047479] [2025-02-06 09:38:19,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:19,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:19,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 09:38:19,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 09:38:19,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:19,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:19,275 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 09:38:19,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:19,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103047479] [2025-02-06 09:38:19,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103047479] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:19,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:19,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 09:38:19,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681845410] [2025-02-06 09:38:19,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:19,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:38:19,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:19,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:38:19,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:38:19,279 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1739 out of 1987 [2025-02-06 09:38:19,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1830 places, 1987 transitions, 3990 flow. Second operand has 2 states, 2 states have (on average 1739.5) internal successors, (3479), 2 states have internal predecessors, (3479), 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 09:38:19,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:19,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1739 of 1987 [2025-02-06 09:38:19,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 09:38:36,765 INFO L124 PetriNetUnfolderBase]: 3181/77572 cut-off events. [2025-02-06 09:38:36,765 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2025-02-06 09:38:37,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 82046 conditions, 77572 events. 3181/77572 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 592. Compared 1183305 event pairs, 2520 based on Foata normal form. 17471/87214 useless extension candidates. Maximal degree in co-relation 4183. Up to 4322 conditions per place. [2025-02-06 09:38:37,996 INFO L140 encePairwiseOnDemand]: 1800/1987 looper letters, 61 selfloop transitions, 0 changer transitions 0/1796 dead transitions. [2025-02-06 09:38:37,996 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1758 places, 1796 transitions, 3730 flow [2025-02-06 09:38:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:38:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-06 09:38:38,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3726 transitions. [2025-02-06 09:38:38,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9375943633618521 [2025-02-06 09:38:38,011 INFO L175 Difference]: Start difference. First operand has 1830 places, 1987 transitions, 3990 flow. Second operand 2 states and 3726 transitions. [2025-02-06 09:38:38,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1758 places, 1796 transitions, 3730 flow [2025-02-06 09:38:38,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1758 places, 1796 transitions, 3730 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-06 09:38:38,039 INFO L231 Difference]: Finished difference. Result has 1758 places, 1796 transitions, 3608 flow [2025-02-06 09:38:38,043 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1987, PETRI_DIFFERENCE_MINUEND_FLOW=3608, PETRI_DIFFERENCE_MINUEND_PLACES=1757, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1796, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1796, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3608, PETRI_PLACES=1758, PETRI_TRANSITIONS=1796} [2025-02-06 09:38:38,044 INFO L279 CegarLoopForPetriNet]: 1830 programPoint places, -72 predicate places. [2025-02-06 09:38:38,044 INFO L471 AbstractCegarLoop]: Abstraction has has 1758 places, 1796 transitions, 3608 flow [2025-02-06 09:38:38,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1739.5) internal successors, (3479), 2 states have internal predecessors, (3479), 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 09:38:38,046 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 09:38:38,047 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 09:38:38,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 09:38:38,047 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 118 more)] === [2025-02-06 09:38:38,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:38:38,048 INFO L85 PathProgramCache]: Analyzing trace with hash 612194827, now seen corresponding path program 1 times [2025-02-06 09:38:38,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:38:38,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450986847] [2025-02-06 09:38:38,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:38:38,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:38:38,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 09:38:38,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 09:38:38,073 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:38:38,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:38:38,681 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 09:38:38,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:38:38,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450986847] [2025-02-06 09:38:38,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450986847] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:38:38,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 09:38:38,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 09:38:38,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379581036] [2025-02-06 09:38:38,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:38:38,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 09:38:38,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:38:38,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 09:38:38,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 09:38:38,811 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1720 out of 1987 [2025-02-06 09:38:38,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1758 places, 1796 transitions, 3608 flow. Second operand has 6 states, 6 states have (on average 1721.5) internal successors, (10329), 6 states have internal predecessors, (10329), 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 09:38:38,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 09:38:38,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1720 of 1987 [2025-02-06 09:38:38,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand