./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 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/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 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:52:21,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:52:21,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:52:21,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:52:21,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:52:21,981 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:52:21,982 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:52:21,982 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:52:21,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:52:21,985 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:52:21,986 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:52:21,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:52:21,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:52:21,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:52:21,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:52:21,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:52:21,990 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:52:21,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:52:21,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:52:21,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:52:21,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:52:21,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:52:21,992 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:52:21,992 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:52:21,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:52:21,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:52:21,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:52:21,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:52:21,994 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:52:21,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:52:21,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:52:21,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:21,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:52:21,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:52:21,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:52:21,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:52:21,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:52:21,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:52:21,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:52:21,997 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:52:21,997 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:52:21,998 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 [2024-11-16 23:52:22,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:52:22,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:52:22,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:52:22,290 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:52:22,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:52:22,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/cnalock.i [2024-11-16 23:52:23,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:52:24,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:52:24,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i [2024-11-16 23:52:24,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5498d089/9433babccc2d44a69a79194b6bfb70db/FLAG1f1ac5021 [2024-11-16 23:52:24,352 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5498d089/9433babccc2d44a69a79194b6bfb70db [2024-11-16 23:52:24,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:52:24,358 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:52:24,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:24,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:52:24,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:52:24,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:24" (1/1) ... [2024-11-16 23:52:24,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b61ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:24, skipping insertion in model container [2024-11-16 23:52:24,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:24" (1/1) ... [2024-11-16 23:52:24,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:52:27,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:27,654 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:52:27,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-16 23:52:27,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-16 23:52:27,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-16 23:52:27,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-16 23:52:27,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-16 23:52:27,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-16 23:52:27,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-16 23:52:27,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-16 23:52:27,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-16 23:52:27,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-16 23:52:27,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-16 23:52:27,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-16 23:52:27,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-16 23:52:27,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-16 23:52:27,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-16 23:52:27,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-16 23:52:27,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-16 23:52:27,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-16 23:52:27,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-16 23:52:27,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-16 23:52:27,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-16 23:52:27,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-16 23:52:27,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-16 23:52:27,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-16 23:52:27,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-16 23:52:27,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-16 23:52:27,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-16 23:52:27,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-16 23:52:27,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-16 23:52:27,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-16 23:52:27,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-16 23:52:27,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-16 23:52:27,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-16 23:52:27,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-16 23:52:27,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-16 23:52:27,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-16 23:52:27,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-16 23:52:27,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-16 23:52:27,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-16 23:52:27,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-16 23:52:27,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-16 23:52:27,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-16 23:52:27,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-16 23:52:27,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-16 23:52:27,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-16 23:52:27,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-16 23:52:27,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-16 23:52:27,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-16 23:52:27,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-16 23:52:27,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-16 23:52:27,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-16 23:52:27,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-16 23:52:27,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-16 23:52:27,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-16 23:52:27,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-16 23:52:27,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-16 23:52:27,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-16 23:52:27,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-16 23:52:27,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-16 23:52:27,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-16 23:52:27,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-16 23:52:27,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-16 23:52:27,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-16 23:52:27,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-16 23:52:27,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-16 23:52:27,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-16 23:52:27,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-16 23:52:27,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-16 23:52:27,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-16 23:52:27,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-16 23:52:27,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-16 23:52:27,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-16 23:52:27,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-16 23:52:27,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-16 23:52:27,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-16 23:52:27,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-16 23:52:27,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-16 23:52:27,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-16 23:52:27,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-16 23:52:27,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-16 23:52:27,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-16 23:52:27,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-16 23:52:27,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-16 23:52:27,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-16 23:52:27,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-16 23:52:27,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-16 23:52:27,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-16 23:52:27,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-16 23:52:27,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-16 23:52:27,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-16 23:52:27,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-16 23:52:27,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-16 23:52:27,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-16 23:52:27,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-16 23:52:27,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-16 23:52:27,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-16 23:52:27,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-16 23:52:27,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-16 23:52:27,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-16 23:52:27,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-16 23:52:27,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:28,298 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:52:28,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28 WrapperNode [2024-11-16 23:52:28,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:28,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:28,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:52:28,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:52:28,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,506 INFO L138 Inliner]: procedures = 919, calls = 958, calls flagged for inlining = 842, calls inlined = 87, statements flattened = 985 [2024-11-16 23:52:28,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:28,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:52:28,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:52:28,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:52:28,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,580 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,585 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:52:28,620 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:52:28,620 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:52:28,620 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:52:28,621 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (1/1) ... [2024-11-16 23:52:28,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:28,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:28,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 23:52:28,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 23:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-16 23:52:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:52:28,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-16 23:52:28,720 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-16 23:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 23:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-16 23:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 23:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-16 23:52:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:52:28,722 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:52:28,936 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:52:28,938 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:52:29,286 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-16 23:52:29,286 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-16 23:52:30,322 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:30,322 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:30,323 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:30,323 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2024-11-16 23:52:30,323 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-9: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2024-11-16 23:52:30,324 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-18: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2024-11-16 23:52:30,324 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L5403: havoc _cnalock_keep_lock_local_#t~ret803#1; [2024-11-16 23:52:30,324 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2024-11-16 23:52:30,324 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-9: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-9: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-9: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-18: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-27: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-16 23:52:30,325 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660-9: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-16 23:52:30,327 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:52:30,328 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:52:30,622 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:52:30,623 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:52:30,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:30 BoogieIcfgContainer [2024-11-16 23:52:30,624 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:52:30,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:52:30,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:52:30,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:52:30,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:52:24" (1/3) ... [2024-11-16 23:52:30,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75788408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:30, skipping insertion in model container [2024-11-16 23:52:30,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:28" (2/3) ... [2024-11-16 23:52:30,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75788408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:30, skipping insertion in model container [2024-11-16 23:52:30,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:30" (3/3) ... [2024-11-16 23:52:30,636 INFO L112 eAbstractionObserver]: Analyzing ICFG cnalock.i [2024-11-16 23:52:30,656 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:52:30,657 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-16 23:52:30,657 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:52:31,041 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:52:31,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 990 places, 1083 transitions, 2173 flow [2024-11-16 23:52:31,565 INFO L124 PetriNetUnfolderBase]: 112/1182 cut-off events. [2024-11-16 23:52:31,565 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:52:31,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1187 conditions, 1182 events. 112/1182 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3939 event pairs, 0 based on Foata normal form. 0/1017 useless extension candidates. Maximal degree in co-relation 1023. Up to 6 conditions per place. [2024-11-16 23:52:31,591 INFO L82 GeneralOperation]: Start removeDead. Operand has 990 places, 1083 transitions, 2173 flow [2024-11-16 23:52:31,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 990 places, 1083 transitions, 2173 flow [2024-11-16 23:52:31,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:52:31,633 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;@468853d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:52:31,636 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2024-11-16 23:52:31,645 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:52:31,645 INFO L124 PetriNetUnfolderBase]: 7/75 cut-off events. [2024-11-16 23:52:31,645 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:52:31,645 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:31,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:31,648 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)] === [2024-11-16 23:52:31,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:31,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1575003767, now seen corresponding path program 1 times [2024-11-16 23:52:31,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:31,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780221329] [2024-11-16 23:52:31,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:31,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:31,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:31,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:31,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780221329] [2024-11-16 23:52:31,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780221329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:31,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:31,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:31,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045858072] [2024-11-16 23:52:31,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:31,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:52:31,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:32,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:52:32,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:52:32,016 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 943 out of 1083 [2024-11-16 23:52:32,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 990 places, 1083 transitions, 2173 flow. Second operand has 2 states, 2 states have (on average 943.5) internal successors, (1887), 2 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:32,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:32,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 943 of 1083 [2024-11-16 23:52:32,027 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:32,883 INFO L124 PetriNetUnfolderBase]: 50/2644 cut-off events. [2024-11-16 23:52:32,884 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:52:32,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2738 conditions, 2644 events. 50/2644 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 16092 event pairs, 28 based on Foata normal form. 563/2945 useless extension candidates. Maximal degree in co-relation 2597. Up to 89 conditions per place. [2024-11-16 23:52:32,903 INFO L140 encePairwiseOnDemand]: 974/1083 looper letters, 31 selfloop transitions, 0 changer transitions 0/970 dead transitions. [2024-11-16 23:52:32,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 952 places, 970 transitions, 2009 flow [2024-11-16 23:52:32,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:52:32,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:52:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2026 transitions. [2024-11-16 23:52:32,926 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9353647276084949 [2024-11-16 23:52:32,928 INFO L175 Difference]: Start difference. First operand has 990 places, 1083 transitions, 2173 flow. Second operand 2 states and 2026 transitions. [2024-11-16 23:52:32,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 952 places, 970 transitions, 2009 flow [2024-11-16 23:52:32,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 952 places, 970 transitions, 2009 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:32,958 INFO L231 Difference]: Finished difference. Result has 952 places, 970 transitions, 1947 flow [2024-11-16 23:52:32,962 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1083, PETRI_DIFFERENCE_MINUEND_FLOW=1947, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=970, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1947, PETRI_PLACES=952, PETRI_TRANSITIONS=970} [2024-11-16 23:52:32,968 INFO L277 CegarLoopForPetriNet]: 990 programPoint places, -38 predicate places. [2024-11-16 23:52:32,968 INFO L471 AbstractCegarLoop]: Abstraction has has 952 places, 970 transitions, 1947 flow [2024-11-16 23:52:32,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 943.5) internal successors, (1887), 2 states have internal predecessors, (1887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:32,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:32,970 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:32,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:52:32,971 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)] === [2024-11-16 23:52:32,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1958909941, now seen corresponding path program 1 times [2024-11-16 23:52:32,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:32,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787145539] [2024-11-16 23:52:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:33,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:34,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787145539] [2024-11-16 23:52:34,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787145539] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:34,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:34,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:52:34,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874414276] [2024-11-16 23:52:34,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:34,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:34,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:34,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:34,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:52:34,222 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 924 out of 1083 [2024-11-16 23:52:34,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 952 places, 970 transitions, 1947 flow. Second operand has 6 states, 6 states have (on average 925.5) internal successors, (5553), 6 states have internal predecessors, (5553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:34,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:34,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 924 of 1083 [2024-11-16 23:52:34,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:36,497 INFO L124 PetriNetUnfolderBase]: 765/8918 cut-off events. [2024-11-16 23:52:36,498 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:52:36,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10228 conditions, 8918 events. 765/8918 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 94176 event pairs, 280 based on Foata normal form. 0/8282 useless extension candidates. Maximal degree in co-relation 10224. Up to 1124 conditions per place. [2024-11-16 23:52:36,551 INFO L140 encePairwiseOnDemand]: 1048/1083 looper letters, 49 selfloop transitions, 118 changer transitions 0/1087 dead transitions. [2024-11-16 23:52:36,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 957 places, 1087 transitions, 2515 flow [2024-11-16 23:52:36,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:52:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:52:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5712 transitions. [2024-11-16 23:52:36,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8790397045244691 [2024-11-16 23:52:36,564 INFO L175 Difference]: Start difference. First operand has 952 places, 970 transitions, 1947 flow. Second operand 6 states and 5712 transitions. [2024-11-16 23:52:36,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 957 places, 1087 transitions, 2515 flow [2024-11-16 23:52:36,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 1087 transitions, 2515 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:36,590 INFO L231 Difference]: Finished difference. Result has 962 places, 1087 transitions, 2721 flow [2024-11-16 23:52:36,592 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1083, PETRI_DIFFERENCE_MINUEND_FLOW=1947, PETRI_DIFFERENCE_MINUEND_PLACES=952, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=970, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=936, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2721, PETRI_PLACES=962, PETRI_TRANSITIONS=1087} [2024-11-16 23:52:36,593 INFO L277 CegarLoopForPetriNet]: 990 programPoint places, -28 predicate places. [2024-11-16 23:52:36,593 INFO L471 AbstractCegarLoop]: Abstraction has has 962 places, 1087 transitions, 2721 flow [2024-11-16 23:52:36,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 925.5) internal successors, (5553), 6 states have internal predecessors, (5553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:36,597 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:36,597 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 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] [2024-11-16 23:52:36,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:52:36,597 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)] === [2024-11-16 23:52:36,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:36,598 INFO L85 PathProgramCache]: Analyzing trace with hash -476671240, now seen corresponding path program 1 times [2024-11-16 23:52:36,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:36,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132954750] [2024-11-16 23:52:36,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:36,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:52:36,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:52:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:52:36,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:52:36,726 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:52:36,728 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (82 of 83 remaining) [2024-11-16 23:52:36,730 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (81 of 83 remaining) [2024-11-16 23:52:36,730 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (80 of 83 remaining) [2024-11-16 23:52:36,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (79 of 83 remaining) [2024-11-16 23:52:36,731 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (78 of 83 remaining) [2024-11-16 23:52:36,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (77 of 83 remaining) [2024-11-16 23:52:36,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 83 remaining) [2024-11-16 23:52:36,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONDATA_RACE (75 of 83 remaining) [2024-11-16 23:52:36,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (74 of 83 remaining) [2024-11-16 23:52:36,732 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36ASSERT_VIOLATIONDATA_RACE (73 of 83 remaining) [2024-11-16 23:52:36,733 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35ASSERT_VIOLATIONDATA_RACE (72 of 83 remaining) [2024-11-16 23:52:36,733 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (71 of 83 remaining) [2024-11-16 23:52:36,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34ASSERT_VIOLATIONDATA_RACE (70 of 83 remaining) [2024-11-16 23:52:36,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (69 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (68 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (67 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (66 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (65 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (64 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (63 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (62 of 83 remaining) [2024-11-16 23:52:36,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (61 of 83 remaining) [2024-11-16 23:52:36,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (60 of 83 remaining) [2024-11-16 23:52:36,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (59 of 83 remaining) [2024-11-16 23:52:36,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (58 of 83 remaining) [2024-11-16 23:52:36,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (57 of 83 remaining) [2024-11-16 23:52:36,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (56 of 83 remaining) [2024-11-16 23:52:36,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (55 of 83 remaining) [2024-11-16 23:52:36,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (54 of 83 remaining) [2024-11-16 23:52:36,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (53 of 83 remaining) [2024-11-16 23:52:36,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (52 of 83 remaining) [2024-11-16 23:52:36,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (51 of 83 remaining) [2024-11-16 23:52:36,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (50 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (49 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (48 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (47 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (46 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (45 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (44 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (43 of 83 remaining) [2024-11-16 23:52:36,740 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (42 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (41 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (40 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (39 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (38 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONDATA_RACE (37 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (36 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36ASSERT_VIOLATIONDATA_RACE (35 of 83 remaining) [2024-11-16 23:52:36,741 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35ASSERT_VIOLATIONDATA_RACE (34 of 83 remaining) [2024-11-16 23:52:36,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (33 of 83 remaining) [2024-11-16 23:52:36,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34ASSERT_VIOLATIONDATA_RACE (32 of 83 remaining) [2024-11-16 23:52:36,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33ASSERT_VIOLATIONDATA_RACE (31 of 83 remaining) [2024-11-16 23:52:36,742 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (30 of 83 remaining) [2024-11-16 23:52:36,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (29 of 83 remaining) [2024-11-16 23:52:36,743 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (28 of 83 remaining) [2024-11-16 23:52:36,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (27 of 83 remaining) [2024-11-16 23:52:36,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (26 of 83 remaining) [2024-11-16 23:52:36,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32ASSERT_VIOLATIONDATA_RACE (25 of 83 remaining) [2024-11-16 23:52:36,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31ASSERT_VIOLATIONDATA_RACE (24 of 83 remaining) [2024-11-16 23:52:36,744 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (23 of 83 remaining) [2024-11-16 23:52:36,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (22 of 83 remaining) [2024-11-16 23:52:36,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (21 of 83 remaining) [2024-11-16 23:52:36,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (20 of 83 remaining) [2024-11-16 23:52:36,745 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (19 of 83 remaining) [2024-11-16 23:52:36,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (18 of 83 remaining) [2024-11-16 23:52:36,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (17 of 83 remaining) [2024-11-16 23:52:36,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (16 of 83 remaining) [2024-11-16 23:52:36,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (15 of 83 remaining) [2024-11-16 23:52:36,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (14 of 83 remaining) [2024-11-16 23:52:36,746 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (13 of 83 remaining) [2024-11-16 23:52:36,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (12 of 83 remaining) [2024-11-16 23:52:36,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (11 of 83 remaining) [2024-11-16 23:52:36,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (10 of 83 remaining) [2024-11-16 23:52:36,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (9 of 83 remaining) [2024-11-16 23:52:36,747 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (8 of 83 remaining) [2024-11-16 23:52:36,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (7 of 83 remaining) [2024-11-16 23:52:36,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (6 of 83 remaining) [2024-11-16 23:52:36,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (5 of 83 remaining) [2024-11-16 23:52:36,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (4 of 83 remaining) [2024-11-16 23:52:36,748 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (3 of 83 remaining) [2024-11-16 23:52:36,749 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (2 of 83 remaining) [2024-11-16 23:52:36,751 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (1 of 83 remaining) [2024-11-16 23:52:36,752 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (0 of 83 remaining) [2024-11-16 23:52:36,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:52:36,752 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-16 23:52:36,755 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:52:36,755 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:52:37,177 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:52:37,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1838 places, 2003 transitions, 4022 flow [2024-11-16 23:52:38,810 INFO L124 PetriNetUnfolderBase]: 212/2267 cut-off events. [2024-11-16 23:52:38,810 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:52:38,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2279 conditions, 2267 events. 212/2267 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 11242 event pairs, 0 based on Foata normal form. 0/1953 useless extension candidates. Maximal degree in co-relation 1997. Up to 12 conditions per place. [2024-11-16 23:52:38,978 INFO L82 GeneralOperation]: Start removeDead. Operand has 1838 places, 2003 transitions, 4022 flow [2024-11-16 23:52:39,041 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1838 places, 2003 transitions, 4022 flow [2024-11-16 23:52:39,043 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:52:39,047 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;@468853d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:52:39,047 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2024-11-16 23:52:39,052 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:52:39,054 INFO L124 PetriNetUnfolderBase]: 7/75 cut-off events. [2024-11-16 23:52:39,054 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:52:39,054 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:39,054 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:39,055 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)] === [2024-11-16 23:52:39,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:39,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1822678116, now seen corresponding path program 1 times [2024-11-16 23:52:39,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:39,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358134349] [2024-11-16 23:52:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:39,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:39,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:52:39,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:39,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358134349] [2024-11-16 23:52:39,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358134349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:39,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:39,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:39,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808068591] [2024-11-16 23:52:39,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:39,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:52:39,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:39,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:52:39,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:52:39,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1747 out of 2003 [2024-11-16 23:52:39,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1838 places, 2003 transitions, 4022 flow. Second operand has 2 states, 2 states have (on average 1747.5) internal successors, (3495), 2 states have internal predecessors, (3495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:52:39,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:39,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1747 of 2003 [2024-11-16 23:52:39,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:53:02,624 INFO L124 PetriNetUnfolderBase]: 3181/78593 cut-off events. [2024-11-16 23:53:02,624 INFO L125 PetriNetUnfolderBase]: For 297/297 co-relation queries the response was YES. [2024-11-16 23:53:03,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83067 conditions, 78593 events. 3181/78593 cut-off events. For 297/297 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 1199666 event pairs, 2520 based on Foata normal form. 19601/90365 useless extension candidates. Maximal degree in co-relation 4248. Up to 4322 conditions per place. [2024-11-16 23:53:03,965 INFO L140 encePairwiseOnDemand]: 1808/2003 looper letters, 61 selfloop transitions, 0 changer transitions 0/1804 dead transitions. [2024-11-16 23:53:03,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1766 places, 1804 transitions, 3746 flow [2024-11-16 23:53:03,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:53:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:53:03,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3750 transitions. [2024-11-16 23:53:03,978 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9360958562156765 [2024-11-16 23:53:03,979 INFO L175 Difference]: Start difference. First operand has 1838 places, 2003 transitions, 4022 flow. Second operand 2 states and 3750 transitions. [2024-11-16 23:53:03,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1766 places, 1804 transitions, 3746 flow [2024-11-16 23:53:03,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1766 places, 1804 transitions, 3746 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:53:04,022 INFO L231 Difference]: Finished difference. Result has 1766 places, 1804 transitions, 3624 flow [2024-11-16 23:53:04,025 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2003, PETRI_DIFFERENCE_MINUEND_FLOW=3624, PETRI_DIFFERENCE_MINUEND_PLACES=1765, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1804, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1804, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3624, PETRI_PLACES=1766, PETRI_TRANSITIONS=1804} [2024-11-16 23:53:04,026 INFO L277 CegarLoopForPetriNet]: 1838 programPoint places, -72 predicate places. [2024-11-16 23:53:04,026 INFO L471 AbstractCegarLoop]: Abstraction has has 1766 places, 1804 transitions, 3624 flow [2024-11-16 23:53:04,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1747.5) internal successors, (3495), 2 states have internal predecessors, (3495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:04,031 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:53:04,031 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:53:04,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:53:04,032 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)] === [2024-11-16 23:53:04,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:53:04,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1154069739, now seen corresponding path program 1 times [2024-11-16 23:53:04,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:53:04,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663649579] [2024-11-16 23:53:04,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:53:04,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:53:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:53:04,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:53:04,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:53:04,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663649579] [2024-11-16 23:53:04,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663649579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:53:04,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:53:04,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:53:04,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881068071] [2024-11-16 23:53:04,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:53:04,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:53:04,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:53:04,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:53:04,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:53:05,021 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1728 out of 2003 [2024-11-16 23:53:05,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1766 places, 1804 transitions, 3624 flow. Second operand has 6 states, 6 states have (on average 1729.5) internal successors, (10377), 6 states have internal predecessors, (10377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 23:53:05,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:53:05,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1728 of 2003 [2024-11-16 23:53:05,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand