./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_ticketlock.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/rec_ticketlock.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 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:52:37,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:52:37,741 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:52:37,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:52:37,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:52:37,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:52:37,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:52:37,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:52:37,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:52:37,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:52:37,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:52:37,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:52:37,777 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:52:37,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:52:37,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:52:37,778 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:52:37,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:52:37,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:52:37,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:52:37,779 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:52:37,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:52:37,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:52:37,782 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:52:37,782 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:52:37,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:52:37,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:52:37,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:52:37,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:52:37,783 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:52:37,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:52:37,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:52:37,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:37,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:52:37,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:52:37,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:52:37,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:52:37,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:52:37,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:52:37,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:52:37,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:52:37,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:52:37,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef [2024-11-16 23:52:38,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:52:38,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:52:38,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:52:38,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:52:38,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:52:38,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_ticketlock.i [2024-11-16 23:52:39,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:52:39,762 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:52:39,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i [2024-11-16 23:52:39,801 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb90dcf53/04858b1895b044099fb580e3c60a2363/FLAG4d0d51b84 [2024-11-16 23:52:39,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb90dcf53/04858b1895b044099fb580e3c60a2363 [2024-11-16 23:52:39,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:52:39,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:52:39,827 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:39,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:52:39,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:52:39,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:39" (1/1) ... [2024-11-16 23:52:39,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a1a6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:39, skipping insertion in model container [2024-11-16 23:52:39,834 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:52:39" (1/1) ... [2024-11-16 23:52:39,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:52:41,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:41,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:52:41,842 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-16 23:52:41,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-16 23:52:41,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-16 23:52:41,844 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-16 23:52:41,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-16 23:52:41,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-16 23:52:41,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-16 23:52:41,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-16 23:52:41,846 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-16 23:52:41,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-16 23:52:41,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-16 23:52:41,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-16 23:52:41,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-16 23:52:41,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-16 23:52:41,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-16 23:52:41,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-16 23:52:41,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-16 23:52:41,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-16 23:52:41,849 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-16 23:52:41,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-16 23:52:41,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-16 23:52:41,850 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-16 23:52:41,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-16 23:52:41,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-16 23:52:41,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-16 23:52:41,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-16 23:52:41,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-16 23:52:41,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-16 23:52:41,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-16 23:52:41,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-16 23:52:41,855 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-16 23:52:41,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-16 23:52:41,856 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-16 23:52:41,857 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-16 23:52:41,858 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-16 23:52:41,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-16 23:52:41,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-16 23:52:41,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-16 23:52:41,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-16 23:52:41,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-16 23:52:41,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-16 23:52:41,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-16 23:52:41,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-16 23:52:41,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-16 23:52:41,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-16 23:52:41,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-16 23:52:41,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-16 23:52:41,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-16 23:52:41,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-16 23:52:41,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-16 23:52:41,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-16 23:52:41,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-16 23:52:41,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-16 23:52:41,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-16 23:52:41,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-16 23:52:41,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-16 23:52:41,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-16 23:52:41,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-16 23:52:41,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-16 23:52:41,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-16 23:52:41,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-16 23:52:41,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-16 23:52:41,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-16 23:52:41,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-16 23:52:41,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-16 23:52:41,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-16 23:52:41,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-16 23:52:41,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-16 23:52:41,877 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-16 23:52:41,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-16 23:52:41,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-16 23:52:41,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-16 23:52:41,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-16 23:52:41,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-16 23:52:41,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-16 23:52:41,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-16 23:52:41,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-16 23:52:41,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-16 23:52:41,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-16 23:52:41,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-16 23:52:41,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-16 23:52:41,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-16 23:52:41,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-16 23:52:41,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-16 23:52:41,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-16 23:52:41,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-16 23:52:41,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-16 23:52:41,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-16 23:52:41,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-16 23:52:41,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-16 23:52:41,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-16 23:52:41,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-16 23:52:41,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-16 23:52:41,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-16 23:52:41,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-16 23:52:41,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-16 23:52:41,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-16 23:52:41,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-16 23:52:41,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-16 23:52:41,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-16 23:52:41,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:52:42,226 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:52:42,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42 WrapperNode [2024-11-16 23:52:42,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:52:42,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:42,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:52:42,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:52:42,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,362 INFO L138 Inliner]: procedures = 923, calls = 949, calls flagged for inlining = 838, calls inlined = 57, statements flattened = 644 [2024-11-16 23:52:42,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:52:42,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:52:42,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:52:42,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:52:42,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,394 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:52:42,408 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:52:42,408 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:52:42,408 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:52:42,409 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (1/1) ... [2024-11-16 23:52:42,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:52:42,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:52:42,453 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 23:52:42,455 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 23:52:42,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:52:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:52:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:52:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:52:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-16 23:52:42,515 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-16 23:52:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 23:52:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:52:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 23:52:42,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:52:42,517 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 23:52:42,704 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:52:42,706 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:52:42,879 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6013: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-16 23:52:42,880 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6013-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-16 23:52:43,437 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:43,437 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:43,438 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-16 23:52:43,438 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2024-11-16 23:52:43,438 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285: havoc vatomic32_await_eq_acq_#t~ret174#1; [2024-11-16 23:52:43,438 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2024-11-16 23:52:43,438 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516: havoc vatomic32_get_inc_#t~ret620#1; [2024-11-16 23:52:43,438 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115: havoc vatomic32_get_inc_rlx_#t~ret156#1; [2024-11-16 23:52:43,440 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:52:43,440 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:52:43,552 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:52:43,556 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:52:43,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:43 BoogieIcfgContainer [2024-11-16 23:52:43,556 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:52:43,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:52:43,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:52:43,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:52:43,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:52:39" (1/3) ... [2024-11-16 23:52:43,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7167e8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:43, skipping insertion in model container [2024-11-16 23:52:43,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:52:42" (2/3) ... [2024-11-16 23:52:43,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7167e8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:52:43, skipping insertion in model container [2024-11-16 23:52:43,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:52:43" (3/3) ... [2024-11-16 23:52:43,565 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2024-11-16 23:52:43,578 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:52:43,579 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-16 23:52:43,579 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:52:43,789 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-16 23:52:43,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 680 places, 776 transitions, 1559 flow [2024-11-16 23:52:44,060 INFO L124 PetriNetUnfolderBase]: 115/859 cut-off events. [2024-11-16 23:52:44,061 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-16 23:52:44,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 864 conditions, 859 events. 115/859 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2861 event pairs, 0 based on Foata normal form. 0/707 useless extension candidates. Maximal degree in co-relation 731. Up to 6 conditions per place. [2024-11-16 23:52:44,085 INFO L82 GeneralOperation]: Start removeDead. Operand has 680 places, 776 transitions, 1559 flow [2024-11-16 23:52:44,099 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 680 places, 776 transitions, 1559 flow [2024-11-16 23:52:44,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:52:44,123 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;@4446d447, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:52:44,123 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-16 23:52:44,131 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:52:44,133 INFO L124 PetriNetUnfolderBase]: 14/73 cut-off events. [2024-11-16 23:52:44,133 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:52:44,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:44,134 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] [2024-11-16 23:52:44,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:44,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:44,140 INFO L85 PathProgramCache]: Analyzing trace with hash -2125157651, now seen corresponding path program 1 times [2024-11-16 23:52:44,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:44,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484564212] [2024-11-16 23:52:44,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:44,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:44,348 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 23:52:44,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:44,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484564212] [2024-11-16 23:52:44,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484564212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:44,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:44,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:44,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840140161] [2024-11-16 23:52:44,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:44,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:52:44,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:44,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:52:44,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:52:44,406 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 665 out of 776 [2024-11-16 23:52:44,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 680 places, 776 transitions, 1559 flow. Second operand has 2 states, 2 states have (on average 665.5) internal successors, (1331), 2 states have internal predecessors, (1331), 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 23:52:44,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:44,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 665 of 776 [2024-11-16 23:52:44,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:44,677 INFO L124 PetriNetUnfolderBase]: 14/733 cut-off events. [2024-11-16 23:52:44,678 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-16 23:52:44,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 733 events. 14/733 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2360 event pairs, 0 based on Foata normal form. 277/966 useless extension candidates. Maximal degree in co-relation 642. Up to 14 conditions per place. [2024-11-16 23:52:44,689 INFO L140 encePairwiseOnDemand]: 678/776 looper letters, 13 selfloop transitions, 0 changer transitions 0/670 dead transitions. [2024-11-16 23:52:44,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 660 places, 670 transitions, 1373 flow [2024-11-16 23:52:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:52:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:52:44,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1441 transitions. [2024-11-16 23:52:44,709 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.928479381443299 [2024-11-16 23:52:44,711 INFO L175 Difference]: Start difference. First operand has 680 places, 776 transitions, 1559 flow. Second operand 2 states and 1441 transitions. [2024-11-16 23:52:44,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 660 places, 670 transitions, 1373 flow [2024-11-16 23:52:44,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 660 places, 670 transitions, 1373 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:44,731 INFO L231 Difference]: Finished difference. Result has 660 places, 670 transitions, 1347 flow [2024-11-16 23:52:44,734 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=776, PETRI_DIFFERENCE_MINUEND_FLOW=1347, PETRI_DIFFERENCE_MINUEND_PLACES=659, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=670, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1347, PETRI_PLACES=660, PETRI_TRANSITIONS=670} [2024-11-16 23:52:44,739 INFO L277 CegarLoopForPetriNet]: 680 programPoint places, -20 predicate places. [2024-11-16 23:52:44,740 INFO L471 AbstractCegarLoop]: Abstraction has has 660 places, 670 transitions, 1347 flow [2024-11-16 23:52:44,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 665.5) internal successors, (1331), 2 states have internal predecessors, (1331), 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 23:52:44,741 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:44,741 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] [2024-11-16 23:52:44,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:52:44,742 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:44,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:44,743 INFO L85 PathProgramCache]: Analyzing trace with hash 563723019, now seen corresponding path program 1 times [2024-11-16 23:52:44,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:44,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846870515] [2024-11-16 23:52:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:45,603 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 23:52:45,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:45,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846870515] [2024-11-16 23:52:45,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846870515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:45,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:45,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:52:45,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407281300] [2024-11-16 23:52:45,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:45,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:45,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:45,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:45,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:52:45,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 618 out of 776 [2024-11-16 23:52:46,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 660 places, 670 transitions, 1347 flow. Second operand has 6 states, 6 states have (on average 619.5) internal successors, (3717), 6 states have internal predecessors, (3717), 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 23:52:46,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:46,002 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 618 of 776 [2024-11-16 23:52:46,002 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:47,550 INFO L124 PetriNetUnfolderBase]: 1004/8653 cut-off events. [2024-11-16 23:52:47,551 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:52:47,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10411 conditions, 8653 events. 1004/8653 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 94213 event pairs, 387 based on Foata normal form. 0/7942 useless extension candidates. Maximal degree in co-relation 10407. Up to 1506 conditions per place. [2024-11-16 23:52:47,597 INFO L140 encePairwiseOnDemand]: 730/776 looper letters, 59 selfloop transitions, 162 changer transitions 0/831 dead transitions. [2024-11-16 23:52:47,597 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 665 places, 831 transitions, 2111 flow [2024-11-16 23:52:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:52:47,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:52:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3930 transitions. [2024-11-16 23:52:47,605 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8440721649484536 [2024-11-16 23:52:47,605 INFO L175 Difference]: Start difference. First operand has 660 places, 670 transitions, 1347 flow. Second operand 6 states and 3930 transitions. [2024-11-16 23:52:47,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 665 places, 831 transitions, 2111 flow [2024-11-16 23:52:47,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 665 places, 831 transitions, 2111 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:47,621 INFO L231 Difference]: Finished difference. Result has 670 places, 831 transitions, 2407 flow [2024-11-16 23:52:47,623 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=776, PETRI_DIFFERENCE_MINUEND_FLOW=1347, PETRI_DIFFERENCE_MINUEND_PLACES=660, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=670, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=625, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2407, PETRI_PLACES=670, PETRI_TRANSITIONS=831} [2024-11-16 23:52:47,623 INFO L277 CegarLoopForPetriNet]: 680 programPoint places, -10 predicate places. [2024-11-16 23:52:47,624 INFO L471 AbstractCegarLoop]: Abstraction has has 670 places, 831 transitions, 2407 flow [2024-11-16 23:52:47,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 619.5) internal successors, (3717), 6 states have internal predecessors, (3717), 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 23:52:47,626 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:47,627 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:52:47,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:52:47,627 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:47,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:47,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1109327805, now seen corresponding path program 1 times [2024-11-16 23:52:47,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:47,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946433698] [2024-11-16 23:52:47,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:47,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:47,657 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 23:52:47,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946433698] [2024-11-16 23:52:47,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946433698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:47,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:47,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:47,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458964843] [2024-11-16 23:52:47,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:47,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:47,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:47,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:47,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:47,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 655 out of 776 [2024-11-16 23:52:47,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 670 places, 831 transitions, 2407 flow. Second operand has 3 states, 3 states have (on average 655.6666666666666) internal successors, (1967), 3 states have internal predecessors, (1967), 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 23:52:47,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:47,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 655 of 776 [2024-11-16 23:52:47,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:48,751 INFO L124 PetriNetUnfolderBase]: 595/7674 cut-off events. [2024-11-16 23:52:48,751 INFO L125 PetriNetUnfolderBase]: For 673/876 co-relation queries the response was YES. [2024-11-16 23:52:48,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9605 conditions, 7674 events. 595/7674 cut-off events. For 673/876 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 73125 event pairs, 52 based on Foata normal form. 14/7241 useless extension candidates. Maximal degree in co-relation 9596. Up to 737 conditions per place. [2024-11-16 23:52:48,808 INFO L140 encePairwiseOnDemand]: 767/776 looper letters, 76 selfloop transitions, 6 changer transitions 0/846 dead transitions. [2024-11-16 23:52:48,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 671 places, 846 transitions, 2623 flow [2024-11-16 23:52:48,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:48,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2006 transitions. [2024-11-16 23:52:48,813 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8616838487972509 [2024-11-16 23:52:48,814 INFO L175 Difference]: Start difference. First operand has 670 places, 831 transitions, 2407 flow. Second operand 3 states and 2006 transitions. [2024-11-16 23:52:48,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 671 places, 846 transitions, 2623 flow [2024-11-16 23:52:48,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 671 places, 846 transitions, 2623 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:48,838 INFO L231 Difference]: Finished difference. Result has 673 places, 835 transitions, 2453 flow [2024-11-16 23:52:48,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=776, PETRI_DIFFERENCE_MINUEND_FLOW=2405, PETRI_DIFFERENCE_MINUEND_PLACES=669, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=830, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=824, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2453, PETRI_PLACES=673, PETRI_TRANSITIONS=835} [2024-11-16 23:52:48,841 INFO L277 CegarLoopForPetriNet]: 680 programPoint places, -7 predicate places. [2024-11-16 23:52:48,841 INFO L471 AbstractCegarLoop]: Abstraction has has 673 places, 835 transitions, 2453 flow [2024-11-16 23:52:48,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 655.6666666666666) internal successors, (1967), 3 states have internal predecessors, (1967), 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 23:52:48,843 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:48,843 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] [2024-11-16 23:52:48,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:52:48,846 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:48,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:48,846 INFO L85 PathProgramCache]: Analyzing trace with hash 912171038, now seen corresponding path program 1 times [2024-11-16 23:52:48,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:48,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754680399] [2024-11-16 23:52:48,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:48,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:48,879 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 23:52:48,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:48,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754680399] [2024-11-16 23:52:48,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754680399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:48,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:48,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:48,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409613765] [2024-11-16 23:52:48,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:48,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:48,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:48,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:48,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:48,893 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 658 out of 776 [2024-11-16 23:52:48,896 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 835 transitions, 2453 flow. Second operand has 3 states, 3 states have (on average 658.6666666666666) internal successors, (1976), 3 states have internal predecessors, (1976), 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 23:52:48,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:48,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 658 of 776 [2024-11-16 23:52:48,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:50,056 INFO L124 PetriNetUnfolderBase]: 650/9620 cut-off events. [2024-11-16 23:52:50,056 INFO L125 PetriNetUnfolderBase]: For 758/1001 co-relation queries the response was YES. [2024-11-16 23:52:50,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11886 conditions, 9620 events. 650/9620 cut-off events. For 758/1001 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 95464 event pairs, 36 based on Foata normal form. 42/9142 useless extension candidates. Maximal degree in co-relation 11875. Up to 873 conditions per place. [2024-11-16 23:52:50,116 INFO L140 encePairwiseOnDemand]: 770/776 looper letters, 73 selfloop transitions, 4 changer transitions 0/848 dead transitions. [2024-11-16 23:52:50,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 674 places, 848 transitions, 2655 flow [2024-11-16 23:52:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:50,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2009 transitions. [2024-11-16 23:52:50,120 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8629725085910653 [2024-11-16 23:52:50,120 INFO L175 Difference]: Start difference. First operand has 673 places, 835 transitions, 2453 flow. Second operand 3 states and 2009 transitions. [2024-11-16 23:52:50,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 674 places, 848 transitions, 2655 flow [2024-11-16 23:52:50,128 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 672 places, 848 transitions, 2643 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:50,136 INFO L231 Difference]: Finished difference. Result has 674 places, 837 transitions, 2469 flow [2024-11-16 23:52:50,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=776, PETRI_DIFFERENCE_MINUEND_FLOW=2439, PETRI_DIFFERENCE_MINUEND_PLACES=670, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=830, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2469, PETRI_PLACES=674, PETRI_TRANSITIONS=837} [2024-11-16 23:52:50,138 INFO L277 CegarLoopForPetriNet]: 680 programPoint places, -6 predicate places. [2024-11-16 23:52:50,138 INFO L471 AbstractCegarLoop]: Abstraction has has 674 places, 837 transitions, 2469 flow [2024-11-16 23:52:50,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 658.6666666666666) internal successors, (1976), 3 states have internal predecessors, (1976), 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 23:52:50,140 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:50,140 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] [2024-11-16 23:52:50,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:52:50,140 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:50,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1371119546, now seen corresponding path program 1 times [2024-11-16 23:52:50,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:50,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756635905] [2024-11-16 23:52:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:50,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:50,247 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 23:52:50,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:50,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756635905] [2024-11-16 23:52:50,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756635905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:50,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:50,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 23:52:50,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054399426] [2024-11-16 23:52:50,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:50,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:52:50,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:50,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:52:50,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:52:50,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 659 out of 776 [2024-11-16 23:52:50,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 674 places, 837 transitions, 2469 flow. Second operand has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 23:52:50,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:50,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 659 of 776 [2024-11-16 23:52:50,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:51,607 INFO L124 PetriNetUnfolderBase]: 630/9913 cut-off events. [2024-11-16 23:52:51,607 INFO L125 PetriNetUnfolderBase]: For 754/1171 co-relation queries the response was YES. [2024-11-16 23:52:51,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12205 conditions, 9913 events. 630/9913 cut-off events. For 754/1171 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 99689 event pairs, 34 based on Foata normal form. 49/9444 useless extension candidates. Maximal degree in co-relation 12193. Up to 880 conditions per place. [2024-11-16 23:52:51,666 INFO L140 encePairwiseOnDemand]: 773/776 looper letters, 74 selfloop transitions, 2 changer transitions 0/850 dead transitions. [2024-11-16 23:52:51,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 676 places, 850 transitions, 2677 flow [2024-11-16 23:52:51,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:52:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:52:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2008 transitions. [2024-11-16 23:52:51,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8625429553264605 [2024-11-16 23:52:51,672 INFO L175 Difference]: Start difference. First operand has 674 places, 837 transitions, 2469 flow. Second operand 3 states and 2008 transitions. [2024-11-16 23:52:51,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 676 places, 850 transitions, 2677 flow [2024-11-16 23:52:51,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 674 places, 850 transitions, 2669 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:52:51,694 INFO L231 Difference]: Finished difference. Result has 675 places, 837 transitions, 2469 flow [2024-11-16 23:52:51,696 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=776, PETRI_DIFFERENCE_MINUEND_FLOW=2461, PETRI_DIFFERENCE_MINUEND_PLACES=672, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=837, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=835, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2469, PETRI_PLACES=675, PETRI_TRANSITIONS=837} [2024-11-16 23:52:51,698 INFO L277 CegarLoopForPetriNet]: 680 programPoint places, -5 predicate places. [2024-11-16 23:52:51,698 INFO L471 AbstractCegarLoop]: Abstraction has has 675 places, 837 transitions, 2469 flow [2024-11-16 23:52:51,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 660.3333333333334) internal successors, (1981), 3 states have internal predecessors, (1981), 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 23:52:51,700 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:51,700 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] [2024-11-16 23:52:51,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:52:51,701 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-16 23:52:51,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:51,702 INFO L85 PathProgramCache]: Analyzing trace with hash -121575621, now seen corresponding path program 1 times [2024-11-16 23:52:51,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:51,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316032534] [2024-11-16 23:52:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:51,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:52:51,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 23:52:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 23:52:51,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 23:52:51,794 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 23:52:51,795 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-11-16 23:52:51,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-16 23:52:51,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-16 23:52:51,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-16 23:52:51,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-16 23:52:51,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-16 23:52:51,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-16 23:52:51,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-16 23:52:51,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-16 23:52:51,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-16 23:52:51,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-16 23:52:51,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-16 23:52:51,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-16 23:52:51,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-16 23:52:51,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-16 23:52:51,804 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-16 23:52:51,804 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-16 23:52:51,804 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-16 23:52:51,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-16 23:52:51,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-16 23:52:51,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-16 23:52:51,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-16 23:52:51,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-16 23:52:51,805 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-16 23:52:51,806 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-16 23:52:51,807 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-16 23:52:51,808 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-16 23:52:51,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-16 23:52:51,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-16 23:52:51,809 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-16 23:52:51,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-16 23:52:51,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-16 23:52:51,812 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-16 23:52:51,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:52:51,813 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-16 23:52:51,816 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-16 23:52:51,816 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-16 23:52:52,031 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 23:52:52,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1249 places, 1420 transitions, 2856 flow [2024-11-16 23:52:52,518 INFO L124 PetriNetUnfolderBase]: 218/1652 cut-off events. [2024-11-16 23:52:52,518 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-16 23:52:52,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1664 conditions, 1652 events. 218/1652 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 8223 event pairs, 0 based on Foata normal form. 0/1363 useless extension candidates. Maximal degree in co-relation 1429. Up to 12 conditions per place. [2024-11-16 23:52:52,617 INFO L82 GeneralOperation]: Start removeDead. Operand has 1249 places, 1420 transitions, 2856 flow [2024-11-16 23:52:52,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1249 places, 1420 transitions, 2856 flow [2024-11-16 23:52:52,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:52:52,657 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;@4446d447, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:52:52,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-11-16 23:52:52,660 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:52:52,661 INFO L124 PetriNetUnfolderBase]: 14/73 cut-off events. [2024-11-16 23:52:52,661 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:52:52,661 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:52,661 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] [2024-11-16 23:52:52,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:52:52,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash 14137197, now seen corresponding path program 1 times [2024-11-16 23:52:52,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:52,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176370680] [2024-11-16 23:52:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:52,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:52,680 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 23:52:52,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:52,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176370680] [2024-11-16 23:52:52,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176370680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:52,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:52,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:52:52,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381043543] [2024-11-16 23:52:52,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:52,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 23:52:52,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:52,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 23:52:52,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 23:52:52,685 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1220 out of 1420 [2024-11-16 23:52:52,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1249 places, 1420 transitions, 2856 flow. Second operand has 2 states, 2 states have (on average 1220.5) internal successors, (2441), 2 states have internal predecessors, (2441), 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 23:52:52,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:52,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1220 of 1420 [2024-11-16 23:52:52,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:52:54,846 INFO L124 PetriNetUnfolderBase]: 326/9454 cut-off events. [2024-11-16 23:52:54,846 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-16 23:52:54,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9858 conditions, 9454 events. 326/9454 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 99539 event pairs, 154 based on Foata normal form. 4377/13190 useless extension candidates. Maximal degree in co-relation 1414. Up to 337 conditions per place. [2024-11-16 23:52:54,961 INFO L140 encePairwiseOnDemand]: 1246/1420 looper letters, 26 selfloop transitions, 0 changer transitions 0/1234 dead transitions. [2024-11-16 23:52:54,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1212 places, 1234 transitions, 2536 flow [2024-11-16 23:52:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 23:52:54,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-16 23:52:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2640 transitions. [2024-11-16 23:52:54,966 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9295774647887324 [2024-11-16 23:52:54,966 INFO L175 Difference]: Start difference. First operand has 1249 places, 1420 transitions, 2856 flow. Second operand 2 states and 2640 transitions. [2024-11-16 23:52:54,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1212 places, 1234 transitions, 2536 flow [2024-11-16 23:52:54,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1212 places, 1234 transitions, 2536 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-16 23:52:54,981 INFO L231 Difference]: Finished difference. Result has 1212 places, 1234 transitions, 2484 flow [2024-11-16 23:52:54,982 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1420, PETRI_DIFFERENCE_MINUEND_FLOW=2484, PETRI_DIFFERENCE_MINUEND_PLACES=1211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2484, PETRI_PLACES=1212, PETRI_TRANSITIONS=1234} [2024-11-16 23:52:54,984 INFO L277 CegarLoopForPetriNet]: 1249 programPoint places, -37 predicate places. [2024-11-16 23:52:54,985 INFO L471 AbstractCegarLoop]: Abstraction has has 1212 places, 1234 transitions, 2484 flow [2024-11-16 23:52:54,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1220.5) internal successors, (2441), 2 states have internal predecessors, (2441), 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 23:52:54,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:52:54,987 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] [2024-11-16 23:52:54,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:52:54,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-16 23:52:54,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:52:54,987 INFO L85 PathProgramCache]: Analyzing trace with hash -2125471465, now seen corresponding path program 1 times [2024-11-16 23:52:54,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:52:54,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904504103] [2024-11-16 23:52:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:52:54,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:52:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:52:55,635 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 23:52:55,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:52:55,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904504103] [2024-11-16 23:52:55,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904504103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:52:55,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:52:55,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:52:55,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219959864] [2024-11-16 23:52:55,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:52:55,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:52:55,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:52:55,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:52:55,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:52:56,162 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1145 out of 1420 [2024-11-16 23:52:56,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1212 places, 1234 transitions, 2484 flow. Second operand has 6 states, 6 states have (on average 1146.5) internal successors, (6879), 6 states have internal predecessors, (6879), 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 23:52:56,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:52:56,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1145 of 1420 [2024-11-16 23:52:56,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand