./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/cnalock.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 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 07:01:18,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 07:01:19,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 07:01:19,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 07:01:19,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 07:01:19,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 07:01:19,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 07:01:19,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 07:01:19,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 07:01:19,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 07:01:19,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 07:01:19,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 07:01:19,045 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 07:01:19,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 07:01:19,046 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 07:01:19,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 07:01:19,047 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 07:01:19,047 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 07:01:19,047 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 07:01:19,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 07:01:19,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 07:01:19,047 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:01:19,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 07:01:19,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 07:01:19,048 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/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 [2025-03-04 07:01:19,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 07:01:19,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 07:01:19,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 07:01:19,290 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 07:01:19,290 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 07:01:19,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/cnalock.i [2025-03-04 07:01:20,447 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45586a5ca/02a848295f48437e9063341000e9b608/FLAG647275534 [2025-03-04 07:01:20,936 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 07:01:20,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i [2025-03-04 07:01:20,973 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45586a5ca/02a848295f48437e9063341000e9b608/FLAG647275534 [2025-03-04 07:01:21,020 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45586a5ca/02a848295f48437e9063341000e9b608 [2025-03-04 07:01:21,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 07:01:21,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 07:01:21,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 07:01:21,027 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 07:01:21,030 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 07:01:21,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:01:21" (1/1) ... [2025-03-04 07:01:21,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8b4742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:21, skipping insertion in model container [2025-03-04 07:01:21,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 07:01:21" (1/1) ... [2025-03-04 07:01:21,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 07:01:22,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:01:22,622 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 07:01:22,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-03-04 07:01:22,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-03-04 07:01:22,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-03-04 07:01:22,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-03-04 07:01:22,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-03-04 07:01:22,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-03-04 07:01:22,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-03-04 07:01:22,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-03-04 07:01:22,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-03-04 07:01:22,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-03-04 07:01:22,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-03-04 07:01:22,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-03-04 07:01:22,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-03-04 07:01:22,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-03-04 07:01:22,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-03-04 07:01:22,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-03-04 07:01:22,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-03-04 07:01:22,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-03-04 07:01:22,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-03-04 07:01:22,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-03-04 07:01:22,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-03-04 07:01:22,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-03-04 07:01:22,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-03-04 07:01:22,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-03-04 07:01:22,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-03-04 07:01:22,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-03-04 07:01:22,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-03-04 07:01:22,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-03-04 07:01:22,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-03-04 07:01:22,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-03-04 07:01:22,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-03-04 07:01:22,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-03-04 07:01:22,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-03-04 07:01:22,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-03-04 07:01:22,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-03-04 07:01:22,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-03-04 07:01:22,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-03-04 07:01:22,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-03-04 07:01:22,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-03-04 07:01:22,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-03-04 07:01:22,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-03-04 07:01:22,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-03-04 07:01:22,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-03-04 07:01:22,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-03-04 07:01:22,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-03-04 07:01:22,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-03-04 07:01:22,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-03-04 07:01:22,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-03-04 07:01:22,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-03-04 07:01:22,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-03-04 07:01:22,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-03-04 07:01:22,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-03-04 07:01:22,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-03-04 07:01:22,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-03-04 07:01:22,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-03-04 07:01:22,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-03-04 07:01:22,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-03-04 07:01:22,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-03-04 07:01:22,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-03-04 07:01:22,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-03-04 07:01:22,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-03-04 07:01:22,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-03-04 07:01:22,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-03-04 07:01:22,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-03-04 07:01:22,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-03-04 07:01:22,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-03-04 07:01:22,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-03-04 07:01:22,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-03-04 07:01:22,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-03-04 07:01:22,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-03-04 07:01:22,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-03-04 07:01:22,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-03-04 07:01:22,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-03-04 07:01:22,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-03-04 07:01:22,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-03-04 07:01:22,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-03-04 07:01:22,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-03-04 07:01:22,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-03-04 07:01:22,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-03-04 07:01:22,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-03-04 07:01:22,725 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-03-04 07:01:22,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-03-04 07:01:22,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-03-04 07:01:22,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-03-04 07:01:22,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-03-04 07:01:22,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-03-04 07:01:22,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-03-04 07:01:22,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-03-04 07:01:22,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-03-04 07:01:22,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-03-04 07:01:22,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-03-04 07:01:22,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-03-04 07:01:22,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-03-04 07:01:22,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-03-04 07:01:22,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-03-04 07:01:22,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-03-04 07:01:22,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-03-04 07:01:22,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-03-04 07:01:22,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-03-04 07:01:22,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-03-04 07:01:22,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 07:01:22,956 INFO L204 MainTranslator]: Completed translation [2025-03-04 07:01:22,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22 WrapperNode [2025-03-04 07:01:22,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 07:01:22,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 07:01:22,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 07:01:22,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 07:01:22,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,069 INFO L138 Inliner]: procedures = 919, calls = 958, calls flagged for inlining = 842, calls inlined = 87, statements flattened = 975 [2025-03-04 07:01:23,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 07:01:23,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 07:01:23,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 07:01:23,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 07:01:23,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,118 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 07:01:23,145 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 07:01:23,145 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 07:01:23,145 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 07:01:23,148 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (1/1) ... [2025-03-04 07:01:23,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 07:01:23,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 07:01:23,174 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) [2025-03-04 07:01:23,177 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 [2025-03-04 07:01:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 07:01:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 07:01:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-04 07:01:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 07:01:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 07:01:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-04 07:01:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-04 07:01:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 07:01:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-04 07:01:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 07:01:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 07:01:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-04 07:01:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 07:01:23,196 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 07:01:23,321 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 07:01:23,322 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 07:01:23,614 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-04 07:01:23,615 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-04 07:01:24,406 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-9: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-18: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L5403: havoc _cnalock_keep_lock_local_#t~ret803#1; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-9: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-9: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-03-04 07:01:24,407 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-04 07:01:24,408 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-9: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-04 07:01:24,408 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-18: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-04 07:01:24,408 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-27: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-04 07:01:24,408 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2025-03-04 07:01:24,408 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660-9: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2025-03-04 07:01:24,409 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 07:01:24,409 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 07:01:24,626 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 07:01:24,626 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 07:01:24,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:01:24 BoogieIcfgContainer [2025-03-04 07:01:24,627 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 07:01:24,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 07:01:24,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 07:01:24,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 07:01:24,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 07:01:21" (1/3) ... [2025-03-04 07:01:24,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32059fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:01:24, skipping insertion in model container [2025-03-04 07:01:24,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 07:01:22" (2/3) ... [2025-03-04 07:01:24,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32059fa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 07:01:24, skipping insertion in model container [2025-03-04 07:01:24,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 07:01:24" (3/3) ... [2025-03-04 07:01:24,635 INFO L128 eAbstractionObserver]: Analyzing ICFG cnalock.i [2025-03-04 07:01:24,647 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 07:01:24,650 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cnalock.i that has 2 procedures, 953 locations, 1 initial locations, 21 loop locations, and 44 error locations. [2025-03-04 07:01:24,650 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 07:01:24,905 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-04 07:01:24,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 956 places, 1044 transitions, 2095 flow [2025-03-04 07:01:25,207 INFO L124 PetriNetUnfolderBase]: 105/1136 cut-off events. [2025-03-04 07:01:25,208 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-04 07:01:25,233 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1141 conditions, 1136 events. 105/1136 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 3676 event pairs, 0 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 987. Up to 8 conditions per place. [2025-03-04 07:01:25,234 INFO L82 GeneralOperation]: Start removeDead. Operand has 956 places, 1044 transitions, 2095 flow [2025-03-04 07:01:25,253 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 956 places, 1044 transitions, 2095 flow [2025-03-04 07:01:25,259 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:01:25,267 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;@42b74bfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:01:25,267 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2025-03-04 07:01:25,278 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 07:01:25,278 INFO L124 PetriNetUnfolderBase]: 6/69 cut-off events. [2025-03-04 07:01:25,279 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 07:01:25,279 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 07:01:25,279 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] [2025-03-04 07:01:25,279 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)] === [2025-03-04 07:01:25,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:01:25,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1044500042, now seen corresponding path program 1 times [2025-03-04 07:01:25,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 07:01:25,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140192286] [2025-03-04 07:01:25,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:01:25,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 07:01:25,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 07:01:25,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 07:01:25,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:01:25,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:01:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:01:25,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 07:01:25,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140192286] [2025-03-04 07:01:25,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140192286] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:01:25,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:01:25,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:01:25,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190947128] [2025-03-04 07:01:25,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:01:25,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:01:25,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 07:01:25,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:01:25,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:01:25,501 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 909 out of 1044 [2025-03-04 07:01:25,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 956 places, 1044 transitions, 2095 flow. Second operand has 2 states, 2 states have (on average 909.5) internal successors, (1819), 2 states have internal predecessors, (1819), 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) [2025-03-04 07:01:25,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 07:01:25,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 909 of 1044 [2025-03-04 07:01:25,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 07:01:26,001 INFO L124 PetriNetUnfolderBase]: 50/2493 cut-off events. [2025-03-04 07:01:26,001 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-04 07:01:26,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2587 conditions, 2493 events. 50/2493 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 15051 event pairs, 28 based on Foata normal form. 374/2605 useless extension candidates. Maximal degree in co-relation 2454. Up to 89 conditions per place. [2025-03-04 07:01:26,014 INFO L140 encePairwiseOnDemand]: 940/1044 looper letters, 31 selfloop transitions, 0 changer transitions 0/936 dead transitions. [2025-03-04 07:01:26,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 918 places, 936 transitions, 1941 flow [2025-03-04 07:01:26,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:01:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-04 07:01:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1953 transitions. [2025-03-04 07:01:26,033 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9353448275862069 [2025-03-04 07:01:26,034 INFO L175 Difference]: Start difference. First operand has 956 places, 1044 transitions, 2095 flow. Second operand 2 states and 1953 transitions. [2025-03-04 07:01:26,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 918 places, 936 transitions, 1941 flow [2025-03-04 07:01:26,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 918 places, 936 transitions, 1941 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 07:01:26,057 INFO L231 Difference]: Finished difference. Result has 918 places, 936 transitions, 1879 flow [2025-03-04 07:01:26,060 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=917, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=936, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1879, PETRI_PLACES=918, PETRI_TRANSITIONS=936} [2025-03-04 07:01:26,063 INFO L279 CegarLoopForPetriNet]: 956 programPoint places, -38 predicate places. [2025-03-04 07:01:26,063 INFO L471 AbstractCegarLoop]: Abstraction has has 918 places, 936 transitions, 1879 flow [2025-03-04 07:01:26,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 909.5) internal successors, (1819), 2 states have internal predecessors, (1819), 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) [2025-03-04 07:01:26,064 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 07:01:26,064 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] [2025-03-04 07:01:26,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 07:01:26,064 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)] === [2025-03-04 07:01:26,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:01:26,070 INFO L85 PathProgramCache]: Analyzing trace with hash 326991556, now seen corresponding path program 1 times [2025-03-04 07:01:26,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 07:01:26,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784842873] [2025-03-04 07:01:26,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:01:26,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 07:01:26,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 07:01:26,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 07:01:26,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:01:26,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:01:26,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:01:26,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 07:01:26,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784842873] [2025-03-04 07:01:26,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784842873] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:01:26,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:01:26,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 07:01:26,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66298997] [2025-03-04 07:01:26,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:01:26,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 07:01:26,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 07:01:26,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 07:01:26,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 07:01:27,129 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 1044 [2025-03-04 07:01:27,134 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 918 places, 936 transitions, 1879 flow. Second operand has 6 states, 6 states have (on average 891.5) internal successors, (5349), 6 states have internal predecessors, (5349), 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) [2025-03-04 07:01:27,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 07:01:27,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 1044 [2025-03-04 07:01:27,135 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 07:01:28,490 INFO L124 PetriNetUnfolderBase]: 765/8592 cut-off events. [2025-03-04 07:01:28,492 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-04 07:01:28,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9902 conditions, 8592 events. 765/8592 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 90101 event pairs, 280 based on Foata normal form. 0/7944 useless extension candidates. Maximal degree in co-relation 9898. Up to 1124 conditions per place. [2025-03-04 07:01:28,526 INFO L140 encePairwiseOnDemand]: 1009/1044 looper letters, 49 selfloop transitions, 118 changer transitions 0/1053 dead transitions. [2025-03-04 07:01:28,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 923 places, 1053 transitions, 2447 flow [2025-03-04 07:01:28,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 07:01:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 07:01:28,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5508 transitions. [2025-03-04 07:01:28,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8793103448275862 [2025-03-04 07:01:28,539 INFO L175 Difference]: Start difference. First operand has 918 places, 936 transitions, 1879 flow. Second operand 6 states and 5508 transitions. [2025-03-04 07:01:28,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 923 places, 1053 transitions, 2447 flow [2025-03-04 07:01:28,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 1053 transitions, 2447 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 07:01:28,556 INFO L231 Difference]: Finished difference. Result has 928 places, 1053 transitions, 2653 flow [2025-03-04 07:01:28,558 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1044, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=918, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=936, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=902, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2653, PETRI_PLACES=928, PETRI_TRANSITIONS=1053} [2025-03-04 07:01:28,558 INFO L279 CegarLoopForPetriNet]: 956 programPoint places, -28 predicate places. [2025-03-04 07:01:28,558 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 1053 transitions, 2653 flow [2025-03-04 07:01:28,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 891.5) internal successors, (5349), 6 states have internal predecessors, (5349), 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) [2025-03-04 07:01:28,561 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 07:01:28,562 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] [2025-03-04 07:01:28,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 07:01:28,562 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)] === [2025-03-04 07:01:28,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:01:28,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1123145132, now seen corresponding path program 1 times [2025-03-04 07:01:28,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 07:01:28,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474591984] [2025-03-04 07:01:28,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:01:28,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 07:01:28,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-04 07:01:28,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-04 07:01:28,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:01:28,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 07:01:28,617 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 07:01:28,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-04 07:01:28,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-04 07:01:28,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:01:28,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 07:01:28,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 07:01:28,674 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 07:01:28,674 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (82 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2025-03-04 07:01:28,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2025-03-04 07:01:28,677 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2025-03-04 07:01:28,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2025-03-04 07:01:28,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2025-03-04 07:01:28,678 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2025-03-04 07:01:28,679 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2025-03-04 07:01:28,680 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36ASSERT_VIOLATIONDATA_RACE (35 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35ASSERT_VIOLATIONDATA_RACE (34 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (33 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2025-03-04 07:01:28,681 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2025-03-04 07:01:28,682 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2025-03-04 07:01:28,683 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2025-03-04 07:01:28,684 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2025-03-04 07:01:28,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 07:01:28,685 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-03-04 07:01:28,687 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-04 07:01:28,687 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-04 07:01:28,955 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-04 07:01:28,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1778 places, 1935 transitions, 3886 flow [2025-03-04 07:01:29,987 INFO L124 PetriNetUnfolderBase]: 199/2183 cut-off events. [2025-03-04 07:01:29,988 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-04 07:01:30,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2195 conditions, 2183 events. 199/2183 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 10703 event pairs, 0 based on Foata normal form. 0/1882 useless extension candidates. Maximal degree in co-relation 1930. Up to 12 conditions per place. [2025-03-04 07:01:30,058 INFO L82 GeneralOperation]: Start removeDead. Operand has 1778 places, 1935 transitions, 3886 flow [2025-03-04 07:01:30,092 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1778 places, 1935 transitions, 3886 flow [2025-03-04 07:01:30,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 07:01:30,094 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;@42b74bfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 07:01:30,094 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2025-03-04 07:01:30,097 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 07:01:30,097 INFO L124 PetriNetUnfolderBase]: 6/69 cut-off events. [2025-03-04 07:01:30,097 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 07:01:30,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 07:01:30,097 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] [2025-03-04 07:01:30,097 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)] === [2025-03-04 07:01:30,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:01:30,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1401653002, now seen corresponding path program 1 times [2025-03-04 07:01:30,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 07:01:30,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299693809] [2025-03-04 07:01:30,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:01:30,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 07:01:30,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-04 07:01:30,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-04 07:01:30,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:01:30,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:01:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:01:30,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 07:01:30,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299693809] [2025-03-04 07:01:30,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299693809] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:01:30,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:01:30,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 07:01:30,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966385225] [2025-03-04 07:01:30,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:01:30,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 07:01:30,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 07:01:30,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 07:01:30,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 07:01:30,135 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1687 out of 1935 [2025-03-04 07:01:30,141 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1778 places, 1935 transitions, 3886 flow. Second operand has 2 states, 2 states have (on average 1687.5) internal successors, (3375), 2 states have internal predecessors, (3375), 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) [2025-03-04 07:01:30,141 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 07:01:30,141 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1687 of 1935 [2025-03-04 07:01:30,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 07:01:46,037 INFO L124 PetriNetUnfolderBase]: 3181/74266 cut-off events. [2025-03-04 07:01:46,037 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2025-03-04 07:01:46,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78740 conditions, 74266 events. 3181/74266 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 579. Compared 1128970 event pairs, 2520 based on Foata normal form. 12595/79032 useless extension candidates. Maximal degree in co-relation 4064. Up to 4322 conditions per place. [2025-03-04 07:01:46,805 INFO L140 encePairwiseOnDemand]: 1748/1935 looper letters, 61 selfloop transitions, 0 changer transitions 0/1744 dead transitions. [2025-03-04 07:01:46,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1706 places, 1744 transitions, 3626 flow [2025-03-04 07:01:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 07:01:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-04 07:01:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3622 transitions. [2025-03-04 07:01:46,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9359173126614987 [2025-03-04 07:01:46,814 INFO L175 Difference]: Start difference. First operand has 1778 places, 1935 transitions, 3886 flow. Second operand 2 states and 3622 transitions. [2025-03-04 07:01:46,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1706 places, 1744 transitions, 3626 flow [2025-03-04 07:01:46,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1706 places, 1744 transitions, 3626 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 07:01:46,845 INFO L231 Difference]: Finished difference. Result has 1706 places, 1744 transitions, 3504 flow [2025-03-04 07:01:46,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1935, PETRI_DIFFERENCE_MINUEND_FLOW=3504, PETRI_DIFFERENCE_MINUEND_PLACES=1705, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1744, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1744, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3504, PETRI_PLACES=1706, PETRI_TRANSITIONS=1744} [2025-03-04 07:01:46,848 INFO L279 CegarLoopForPetriNet]: 1778 programPoint places, -72 predicate places. [2025-03-04 07:01:46,848 INFO L471 AbstractCegarLoop]: Abstraction has has 1706 places, 1744 transitions, 3504 flow [2025-03-04 07:01:46,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1687.5) internal successors, (3375), 2 states have internal predecessors, (3375), 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) [2025-03-04 07:01:46,851 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 07:01:46,851 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] [2025-03-04 07:01:46,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 07:01:46,851 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)] === [2025-03-04 07:01:46,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 07:01:46,852 INFO L85 PathProgramCache]: Analyzing trace with hash -46335644, now seen corresponding path program 1 times [2025-03-04 07:01:46,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 07:01:46,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53060448] [2025-03-04 07:01:46,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 07:01:46,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 07:01:46,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-03-04 07:01:46,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-03-04 07:01:46,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 07:01:46,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 07:01:47,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 07:01:47,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 07:01:47,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53060448] [2025-03-04 07:01:47,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53060448] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 07:01:47,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 07:01:47,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 07:01:47,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906182065] [2025-03-04 07:01:47,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 07:01:47,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 07:01:47,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 07:01:47,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 07:01:47,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 07:01:47,681 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1668 out of 1935 [2025-03-04 07:01:47,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1706 places, 1744 transitions, 3504 flow. Second operand has 6 states, 6 states have (on average 1669.5) internal successors, (10017), 6 states have internal predecessors, (10017), 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) [2025-03-04 07:01:47,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 07:01:47,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1668 of 1935 [2025-03-04 07:01:47,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand