./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/hclhlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version f8ab0bd5 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/hclhlock.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 b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-f8ab0bd-m [2025-03-13 22:31:33,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-13 22:31:33,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-13 22:31:33,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-13 22:31:33,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-13 22:31:33,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-13 22:31:33,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-13 22:31:33,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-13 22:31:33,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-13 22:31:33,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-13 22:31:33,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Use SBE=true [2025-03-13 22:31:33,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-13 22:31:33,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-13 22:31:33,915 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-13 22:31:33,915 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-13 22:31:33,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-13 22:31:33,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:31:33,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-13 22:31:33,916 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-13 22:31:33,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-13 22:31:33,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-13 22:31:33,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-13 22:31:33,917 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2025-03-13 22:31:34,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-13 22:31:34,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-13 22:31:34,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-13 22:31:34,145 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-13 22:31:34,145 INFO L274 PluginConnector]: CDTParser initialized [2025-03-13 22:31:34,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hclhlock.i [2025-03-13 22:31:35,244 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea891d84f/6434e4a5fad24aa68826233b02d8f76f/FLAGbaec1e604 [2025-03-13 22:31:35,624 INFO L384 CDTParser]: Found 1 translation units. [2025-03-13 22:31:35,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i [2025-03-13 22:31:35,657 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea891d84f/6434e4a5fad24aa68826233b02d8f76f/FLAGbaec1e604 [2025-03-13 22:31:35,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea891d84f/6434e4a5fad24aa68826233b02d8f76f [2025-03-13 22:31:35,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-13 22:31:35,803 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-13 22:31:35,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-13 22:31:35,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-13 22:31:35,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-13 22:31:35,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:31:35" (1/1) ... [2025-03-13 22:31:35,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc7c8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:35, skipping insertion in model container [2025-03-13 22:31:35,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.03 10:31:35" (1/1) ... [2025-03-13 22:31:35,869 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-13 22:31:37,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:31:37,829 INFO L200 MainTranslator]: Completed pre-run [2025-03-13 22:31:37,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-03-13 22:31:37,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-03-13 22:31:37,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-03-13 22:31:37,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-03-13 22:31:37,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-03-13 22:31:37,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-03-13 22:31:37,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-03-13 22:31:37,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-03-13 22:31:37,897 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-03-13 22:31:37,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-03-13 22:31:37,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-03-13 22:31:37,899 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-03-13 22:31:37,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-03-13 22:31:37,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-03-13 22:31:37,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-03-13 22:31:37,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-03-13 22:31:37,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-03-13 22:31:37,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-03-13 22:31:37,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-03-13 22:31:37,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-03-13 22:31:37,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-03-13 22:31:37,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-03-13 22:31:37,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-03-13 22:31:37,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-03-13 22:31:37,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-03-13 22:31:37,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-03-13 22:31:37,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-03-13 22:31:37,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-03-13 22:31:37,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-03-13 22:31:37,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-03-13 22:31:37,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-03-13 22:31:37,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-03-13 22:31:37,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-03-13 22:31:37,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-03-13 22:31:37,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-03-13 22:31:37,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-03-13 22:31:37,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-03-13 22:31:37,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-03-13 22:31:37,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-03-13 22:31:37,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-03-13 22:31:37,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-03-13 22:31:37,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-03-13 22:31:37,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-03-13 22:31:37,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-03-13 22:31:37,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-03-13 22:31:37,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-03-13 22:31:37,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-03-13 22:31:37,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-03-13 22:31:37,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-03-13 22:31:37,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-03-13 22:31:37,914 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-03-13 22:31:37,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-03-13 22:31:37,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-03-13 22:31:37,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-03-13 22:31:37,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-03-13 22:31:37,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-03-13 22:31:37,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-03-13 22:31:37,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-03-13 22:31:37,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-03-13 22:31:37,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-03-13 22:31:37,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-03-13 22:31:37,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-03-13 22:31:37,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-03-13 22:31:37,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-03-13 22:31:37,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-03-13 22:31:37,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-03-13 22:31:37,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-03-13 22:31:37,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-03-13 22:31:37,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-03-13 22:31:37,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-03-13 22:31:37,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-03-13 22:31:37,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-03-13 22:31:37,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-03-13 22:31:37,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-03-13 22:31:37,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-03-13 22:31:37,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-03-13 22:31:37,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-03-13 22:31:37,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-03-13 22:31:37,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-03-13 22:31:37,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-03-13 22:31:37,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-03-13 22:31:37,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-03-13 22:31:37,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-03-13 22:31:37,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-03-13 22:31:37,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-03-13 22:31:37,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-03-13 22:31:37,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-03-13 22:31:37,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-03-13 22:31:37,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-03-13 22:31:37,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-03-13 22:31:37,928 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-03-13 22:31:37,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-03-13 22:31:37,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-03-13 22:31:37,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-03-13 22:31:37,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-03-13 22:31:37,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-03-13 22:31:37,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-03-13 22:31:37,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-03-13 22:31:37,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-03-13 22:31:37,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-03-13 22:31:37,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-13 22:31:38,178 INFO L204 MainTranslator]: Completed translation [2025-03-13 22:31:38,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38 WrapperNode [2025-03-13 22:31:38,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-13 22:31:38,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-13 22:31:38,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-13 22:31:38,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-13 22:31:38,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,296 INFO L138 Inliner]: procedures = 921, calls = 972, calls flagged for inlining = 848, calls inlined = 84, statements flattened = 1082 [2025-03-13 22:31:38,296 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-13 22:31:38,297 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-13 22:31:38,297 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-13 22:31:38,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-13 22:31:38,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,348 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-13 22:31:38,374 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-13 22:31:38,374 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-13 22:31:38,374 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-13 22:31:38,378 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (1/1) ... [2025-03-13 22:31:38,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-13 22:31:38,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:38,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-13 22:31:38,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-13 22:31:38,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-13 22:31:38,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-13 22:31:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-13 22:31:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-13 22:31:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-13 22:31:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-13 22:31:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-13 22:31:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-13 22:31:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-13 22:31:38,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-13 22:31:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-13 22:31:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-13 22:31:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-13 22:31:38,440 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-13 22:31:38,595 INFO L256 CfgBuilder]: Building ICFG [2025-03-13 22:31:38,597 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-13 22:31:38,973 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-13 22:31:38,974 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-27: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-9: havoc vatomic32_read_acq_#t~ret113#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290: havoc vatomic32_await_neq_acq_#t~ret175#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290-9: havoc vatomic32_await_neq_acq_#t~ret175#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2025-03-13 22:31:39,580 INFO L1326 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2025-03-13 22:31:39,581 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-13 22:31:39,582 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-13 22:31:39,582 INFO L318 CfgBuilder]: Performing block encoding [2025-03-13 22:31:39,808 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-13 22:31:39,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:31:39 BoogieIcfgContainer [2025-03-13 22:31:39,809 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-13 22:31:39,812 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-13 22:31:39,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-13 22:31:39,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-13 22:31:39,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.03 10:31:35" (1/3) ... [2025-03-13 22:31:39,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67399a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:31:39, skipping insertion in model container [2025-03-13 22:31:39,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.03 10:31:38" (2/3) ... [2025-03-13 22:31:39,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67399a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.03 10:31:39, skipping insertion in model container [2025-03-13 22:31:39,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.03 10:31:39" (3/3) ... [2025-03-13 22:31:39,817 INFO L128 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2025-03-13 22:31:39,829 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-13 22:31:39,831 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hclhlock.i that has 2 procedures, 1057 locations, 1 initial locations, 42 loop locations, and 42 error locations. [2025-03-13 22:31:39,831 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-13 22:31:40,071 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-13 22:31:40,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1060 places, 1226 transitions, 2459 flow [2025-03-13 22:31:40,401 INFO L124 PetriNetUnfolderBase]: 183/1302 cut-off events. [2025-03-13 22:31:40,405 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-13 22:31:40,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1307 conditions, 1302 events. 183/1302 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 4403 event pairs, 0 based on Foata normal form. 0/1069 useless extension candidates. Maximal degree in co-relation 987. Up to 8 conditions per place. [2025-03-13 22:31:40,427 INFO L82 GeneralOperation]: Start removeDead. Operand has 1060 places, 1226 transitions, 2459 flow [2025-03-13 22:31:40,449 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1060 places, 1226 transitions, 2459 flow [2025-03-13 22:31:40,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-13 22:31:40,469 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;@dd616ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-13 22:31:40,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2025-03-13 22:31:40,477 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-13 22:31:40,477 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2025-03-13 22:31:40,478 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-13 22:31:40,478 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:40,478 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:40,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:40,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:40,484 INFO L85 PathProgramCache]: Analyzing trace with hash 824602813, now seen corresponding path program 1 times [2025-03-13 22:31:40,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:40,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782975036] [2025-03-13 22:31:40,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:40,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:40,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-13 22:31:40,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-13 22:31:40,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:40,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:40,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:40,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782975036] [2025-03-13 22:31:40,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782975036] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:40,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:40,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-13 22:31:40,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608880521] [2025-03-13 22:31:40,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:41,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-13 22:31:41,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:41,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-13 22:31:41,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-13 22:31:41,026 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1040 out of 1226 [2025-03-13 22:31:41,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1060 places, 1226 transitions, 2459 flow. Second operand has 2 states, 2 states have (on average 1040.5) internal successors, (2081), 2 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:41,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:41,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1040 of 1226 [2025-03-13 22:31:41,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:41,350 INFO L124 PetriNetUnfolderBase]: 33/1090 cut-off events. [2025-03-13 22:31:41,350 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:31:41,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1125 conditions, 1090 events. 33/1090 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2901 event pairs, 0 based on Foata normal form. 272/1281 useless extension candidates. Maximal degree in co-relation 850. Up to 30 conditions per place. [2025-03-13 22:31:41,362 INFO L140 encePairwiseOnDemand]: 1069/1226 looper letters, 29 selfloop transitions, 0 changer transitions 12/1032 dead transitions. [2025-03-13 22:31:41,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1003 places, 1032 transitions, 2129 flow [2025-03-13 22:31:41,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-13 22:31:41,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-13 22:31:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2266 transitions. [2025-03-13 22:31:41,380 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9241435562805873 [2025-03-13 22:31:41,383 INFO L175 Difference]: Start difference. First operand has 1060 places, 1226 transitions, 2459 flow. Second operand 2 states and 2266 transitions. [2025-03-13 22:31:41,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1003 places, 1032 transitions, 2129 flow [2025-03-13 22:31:41,393 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1003 places, 1032 transitions, 2129 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:41,407 INFO L231 Difference]: Finished difference. Result has 1003 places, 1020 transitions, 2047 flow [2025-03-13 22:31:41,410 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=2071, PETRI_DIFFERENCE_MINUEND_PLACES=1002, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1032, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1032, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2047, PETRI_PLACES=1003, PETRI_TRANSITIONS=1020} [2025-03-13 22:31:41,415 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -57 predicate places. [2025-03-13 22:31:41,416 INFO L471 AbstractCegarLoop]: Abstraction has has 1003 places, 1020 transitions, 2047 flow [2025-03-13 22:31:41,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1040.5) internal successors, (2081), 2 states have internal predecessors, (2081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:41,418 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:41,418 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:41,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-13 22:31:41,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:41,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:41,419 INFO L85 PathProgramCache]: Analyzing trace with hash 68736350, now seen corresponding path program 1 times [2025-03-13 22:31:41,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:41,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373846091] [2025-03-13 22:31:41,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:41,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:41,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-13 22:31:41,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-13 22:31:41,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:41,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:41,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:41,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373846091] [2025-03-13 22:31:41,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373846091] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:41,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:41,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-13 22:31:41,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246420968] [2025-03-13 22:31:41,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:41,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:41,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:41,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:41,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:41,611 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1034 out of 1226 [2025-03-13 22:31:41,614 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1003 places, 1020 transitions, 2047 flow. Second operand has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:41,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:41,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1034 of 1226 [2025-03-13 22:31:41,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:41,840 INFO L124 PetriNetUnfolderBase]: 33/1096 cut-off events. [2025-03-13 22:31:41,841 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-13 22:31:41,846 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1140 conditions, 1096 events. 33/1096 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2823 event pairs, 0 based on Foata normal form. 1/1021 useless extension candidates. Maximal degree in co-relation 1136. Up to 33 conditions per place. [2025-03-13 22:31:41,850 INFO L140 encePairwiseOnDemand]: 1223/1226 looper letters, 35 selfloop transitions, 2 changer transitions 0/1022 dead transitions. [2025-03-13 22:31:41,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 993 places, 1022 transitions, 2125 flow [2025-03-13 22:31:41,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:41,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3140 transitions. [2025-03-13 22:31:41,855 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8537248504622077 [2025-03-13 22:31:41,856 INFO L175 Difference]: Start difference. First operand has 1003 places, 1020 transitions, 2047 flow. Second operand 3 states and 3140 transitions. [2025-03-13 22:31:41,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 993 places, 1022 transitions, 2125 flow [2025-03-13 22:31:41,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 993 places, 1022 transitions, 2125 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:41,869 INFO L231 Difference]: Finished difference. Result has 994 places, 1021 transitions, 2059 flow [2025-03-13 22:31:41,871 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=2047, PETRI_DIFFERENCE_MINUEND_PLACES=991, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1020, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1018, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2059, PETRI_PLACES=994, PETRI_TRANSITIONS=1021} [2025-03-13 22:31:41,872 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -66 predicate places. [2025-03-13 22:31:41,872 INFO L471 AbstractCegarLoop]: Abstraction has has 994 places, 1021 transitions, 2059 flow [2025-03-13 22:31:41,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1036.3333333333333) internal successors, (3109), 3 states have internal predecessors, (3109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:41,874 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:41,874 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:41,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-13 22:31:41,874 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:41,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:41,875 INFO L85 PathProgramCache]: Analyzing trace with hash 954656513, now seen corresponding path program 1 times [2025-03-13 22:31:41,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:41,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376492343] [2025-03-13 22:31:41,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:41,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:41,897 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-13 22:31:41,907 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-13 22:31:41,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:41,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:42,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:42,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:42,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376492343] [2025-03-13 22:31:42,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376492343] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:42,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517567529] [2025-03-13 22:31:42,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:42,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:42,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:42,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:31:42,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-13 22:31:42,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-03-13 22:31:42,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-03-13 22:31:42,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:42,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:42,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-13 22:31:42,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:31:42,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:42,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-13 22:31:42,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:31:42,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517567529] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:42,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-13 22:31:42,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2025-03-13 22:31:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295395270] [2025-03-13 22:31:42,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:42,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:42,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:42,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:42,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-13 22:31:42,330 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1033 out of 1226 [2025-03-13 22:31:42,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 1021 transitions, 2059 flow. Second operand has 3 states, 3 states have (on average 1035.6666666666667) internal successors, (3107), 3 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:42,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:42,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1033 of 1226 [2025-03-13 22:31:42,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:42,565 INFO L124 PetriNetUnfolderBase]: 33/1097 cut-off events. [2025-03-13 22:31:42,565 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2025-03-13 22:31:42,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 1097 events. 33/1097 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 2377 event pairs, 0 based on Foata normal form. 0/1021 useless extension candidates. Maximal degree in co-relation 1143. Up to 33 conditions per place. [2025-03-13 22:31:42,572 INFO L140 encePairwiseOnDemand]: 1222/1226 looper letters, 34 selfloop transitions, 3 changer transitions 0/1022 dead transitions. [2025-03-13 22:31:42,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 996 places, 1022 transitions, 2135 flow [2025-03-13 22:31:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:42,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3137 transitions. [2025-03-13 22:31:42,580 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8529091897770528 [2025-03-13 22:31:42,580 INFO L175 Difference]: Start difference. First operand has 994 places, 1021 transitions, 2059 flow. Second operand 3 states and 3137 transitions. [2025-03-13 22:31:42,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 996 places, 1022 transitions, 2135 flow [2025-03-13 22:31:42,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 995 places, 1022 transitions, 2133 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-13 22:31:42,598 INFO L231 Difference]: Finished difference. Result has 997 places, 1022 transitions, 2075 flow [2025-03-13 22:31:42,599 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=2057, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1018, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2075, PETRI_PLACES=997, PETRI_TRANSITIONS=1022} [2025-03-13 22:31:42,600 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -63 predicate places. [2025-03-13 22:31:42,600 INFO L471 AbstractCegarLoop]: Abstraction has has 997 places, 1022 transitions, 2075 flow [2025-03-13 22:31:42,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1035.6666666666667) internal successors, (3107), 3 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:42,602 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:42,602 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:42,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-13 22:31:42,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:42,803 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:42,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:42,805 INFO L85 PathProgramCache]: Analyzing trace with hash 969284466, now seen corresponding path program 1 times [2025-03-13 22:31:42,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:42,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275553503] [2025-03-13 22:31:42,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:42,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:42,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-13 22:31:42,857 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-13 22:31:42,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:42,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:43,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:43,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:43,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275553503] [2025-03-13 22:31:43,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275553503] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:43,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410068752] [2025-03-13 22:31:43,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:43,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:43,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:43,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:31:43,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-13 22:31:43,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-03-13 22:31:43,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-03-13 22:31:43,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:43,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:43,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-13 22:31:43,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:31:43,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-03-13 22:31:43,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2025-03-13 22:31:43,292 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:43,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2025-03-13 22:31:43,322 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:43,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2025-03-13 22:31:43,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:31:43,347 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-13 22:31:43,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410068752] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:43,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-13 22:31:43,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-13 22:31:43,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285113052] [2025-03-13 22:31:43,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:43,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:43,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:43,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:43,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-13 22:31:43,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1226 [2025-03-13 22:31:43,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 997 places, 1022 transitions, 2075 flow. Second operand has 6 states, 6 states have (on average 983.0) internal successors, (5898), 6 states have internal predecessors, (5898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:43,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:43,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1226 [2025-03-13 22:31:43,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:44,838 INFO L124 PetriNetUnfolderBase]: 690/7587 cut-off events. [2025-03-13 22:31:44,838 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-13 22:31:44,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8643 conditions, 7587 events. 690/7587 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 64266 event pairs, 432 based on Foata normal form. 0/7077 useless extension candidates. Maximal degree in co-relation 8636. Up to 1029 conditions per place. [2025-03-13 22:31:44,866 INFO L140 encePairwiseOnDemand]: 1220/1226 looper letters, 82 selfloop transitions, 5 changer transitions 0/1021 dead transitions. [2025-03-13 22:31:44,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1001 places, 1021 transitions, 2247 flow [2025-03-13 22:31:44,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5974 transitions. [2025-03-13 22:31:44,876 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.812126155519304 [2025-03-13 22:31:44,876 INFO L175 Difference]: Start difference. First operand has 997 places, 1022 transitions, 2075 flow. Second operand 6 states and 5974 transitions. [2025-03-13 22:31:44,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1001 places, 1021 transitions, 2247 flow [2025-03-13 22:31:44,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 999 places, 1021 transitions, 2241 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:44,889 INFO L231 Difference]: Finished difference. Result has 999 places, 1021 transitions, 2077 flow [2025-03-13 22:31:44,891 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=2067, PETRI_DIFFERENCE_MINUEND_PLACES=994, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1021, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1016, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2077, PETRI_PLACES=999, PETRI_TRANSITIONS=1021} [2025-03-13 22:31:44,891 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -61 predicate places. [2025-03-13 22:31:44,891 INFO L471 AbstractCegarLoop]: Abstraction has has 999 places, 1021 transitions, 2077 flow [2025-03-13 22:31:44,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 983.0) internal successors, (5898), 6 states have internal predecessors, (5898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:44,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:44,895 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:44,902 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-13 22:31:45,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-03-13 22:31:45,096 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:45,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:45,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1692607826, now seen corresponding path program 1 times [2025-03-13 22:31:45,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:45,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929308808] [2025-03-13 22:31:45,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:45,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:45,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-13 22:31:45,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-13 22:31:45,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:45,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:45,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:45,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929308808] [2025-03-13 22:31:45,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929308808] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:45,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151799511] [2025-03-13 22:31:45,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:45,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:45,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:45,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:31:45,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-13 22:31:45,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-13 22:31:45,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-13 22:31:45,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:45,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:45,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-13 22:31:45,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:31:45,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-13 22:31:45,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2025-03-13 22:31:45,452 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:45,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2025-03-13 22:31:45,498 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:45,499 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2025-03-13 22:31:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:31:45,519 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-13 22:31:45,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151799511] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:45,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-13 22:31:45,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-13 22:31:45,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935197374] [2025-03-13 22:31:45,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:45,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:45,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:45,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:45,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-13 22:31:45,748 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1226 [2025-03-13 22:31:45,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 999 places, 1021 transitions, 2077 flow. Second operand has 6 states, 6 states have (on average 983.0) internal successors, (5898), 6 states have internal predecessors, (5898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:45,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:45,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1226 [2025-03-13 22:31:45,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:46,896 INFO L124 PetriNetUnfolderBase]: 690/7586 cut-off events. [2025-03-13 22:31:46,897 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-13 22:31:46,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8644 conditions, 7586 events. 690/7586 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 64149 event pairs, 432 based on Foata normal form. 0/7076 useless extension candidates. Maximal degree in co-relation 8637. Up to 1029 conditions per place. [2025-03-13 22:31:46,926 INFO L140 encePairwiseOnDemand]: 1220/1226 looper letters, 82 selfloop transitions, 5 changer transitions 0/1020 dead transitions. [2025-03-13 22:31:46,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1003 places, 1020 transitions, 2249 flow [2025-03-13 22:31:46,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5974 transitions. [2025-03-13 22:31:46,936 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.812126155519304 [2025-03-13 22:31:46,936 INFO L175 Difference]: Start difference. First operand has 999 places, 1021 transitions, 2077 flow. Second operand 6 states and 5974 transitions. [2025-03-13 22:31:46,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1003 places, 1020 transitions, 2249 flow [2025-03-13 22:31:46,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 998 places, 1020 transitions, 2239 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:31:46,947 INFO L231 Difference]: Finished difference. Result has 998 places, 1020 transitions, 2075 flow [2025-03-13 22:31:46,949 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=2065, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1020, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1015, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2075, PETRI_PLACES=998, PETRI_TRANSITIONS=1020} [2025-03-13 22:31:46,949 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -62 predicate places. [2025-03-13 22:31:46,949 INFO L471 AbstractCegarLoop]: Abstraction has has 998 places, 1020 transitions, 2075 flow [2025-03-13 22:31:46,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 983.0) internal successors, (5898), 6 states have internal predecessors, (5898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:46,952 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:46,952 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:46,959 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-13 22:31:47,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:47,157 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:47,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1723482730, now seen corresponding path program 1 times [2025-03-13 22:31:47,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:47,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239381125] [2025-03-13 22:31:47,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:47,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:47,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-13 22:31:47,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-13 22:31:47,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:47,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:47,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:31:47,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:47,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239381125] [2025-03-13 22:31:47,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239381125] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:47,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310086360] [2025-03-13 22:31:47,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:47,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:47,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:47,389 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:31:47,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-13 22:31:47,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-13 22:31:47,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-13 22:31:47,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:47,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:47,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-13 22:31:47,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:31:48,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-03-13 22:31:48,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2025-03-13 22:31:48,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:48,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2025-03-13 22:31:48,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-13 22:31:48,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2025-03-13 22:31:48,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-13 22:31:48,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-13 22:31:48,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2025-03-13 22:31:48,604 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2025-03-13 22:31:48,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 1 [2025-03-13 22:31:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:31:48,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310086360] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:48,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-13 22:31:48,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 19] total 27 [2025-03-13 22:31:48,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340345743] [2025-03-13 22:31:48,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:48,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-13 22:31:48,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:48,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-13 22:31:48,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2025-03-13 22:31:49,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 973 out of 1226 [2025-03-13 22:31:49,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 998 places, 1020 transitions, 2075 flow. Second operand has 6 states, 6 states have (on average 976.5) internal successors, (5859), 6 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:49,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:49,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 973 of 1226 [2025-03-13 22:31:49,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:52,256 INFO L124 PetriNetUnfolderBase]: 1645/15129 cut-off events. [2025-03-13 22:31:52,256 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-03-13 22:31:52,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17727 conditions, 15129 events. 1645/15129 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 154556 event pairs, 545 based on Foata normal form. 0/14042 useless extension candidates. Maximal degree in co-relation 17720. Up to 2161 conditions per place. [2025-03-13 22:31:52,313 INFO L140 encePairwiseOnDemand]: 1165/1226 looper letters, 123 selfloop transitions, 222 changer transitions 0/1269 dead transitions. [2025-03-13 22:31:52,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1003 places, 1269 transitions, 3263 flow [2025-03-13 22:31:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-13 22:31:52,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-13 22:31:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6184 transitions. [2025-03-13 22:31:52,325 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8406742794997281 [2025-03-13 22:31:52,325 INFO L175 Difference]: Start difference. First operand has 998 places, 1020 transitions, 2075 flow. Second operand 6 states and 6184 transitions. [2025-03-13 22:31:52,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1003 places, 1269 transitions, 3263 flow [2025-03-13 22:31:52,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 998 places, 1269 transitions, 3253 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-13 22:31:52,342 INFO L231 Difference]: Finished difference. Result has 1003 places, 1241 transitions, 3515 flow [2025-03-13 22:31:52,343 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=2065, PETRI_DIFFERENCE_MINUEND_PLACES=993, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1020, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=960, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3515, PETRI_PLACES=1003, PETRI_TRANSITIONS=1241} [2025-03-13 22:31:52,344 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -57 predicate places. [2025-03-13 22:31:52,344 INFO L471 AbstractCegarLoop]: Abstraction has has 1003 places, 1241 transitions, 3515 flow [2025-03-13 22:31:52,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 976.5) internal successors, (5859), 6 states have internal predecessors, (5859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:52,347 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:52,347 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:52,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-13 22:31:52,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:52,552 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:52,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:52,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1286118363, now seen corresponding path program 1 times [2025-03-13 22:31:52,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:52,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222039024] [2025-03-13 22:31:52,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:52,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:52,571 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-13 22:31:52,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-13 22:31:52,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:52,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:31:52,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:52,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222039024] [2025-03-13 22:31:52,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222039024] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:52,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:52,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:52,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290156991] [2025-03-13 22:31:52,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:52,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:52,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:52,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:52,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:52,635 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1030 out of 1226 [2025-03-13 22:31:52,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1003 places, 1241 transitions, 3515 flow. Second operand has 3 states, 3 states have (on average 1032.0) internal successors, (3096), 3 states have internal predecessors, (3096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:52,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:52,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1030 of 1226 [2025-03-13 22:31:52,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:54,412 INFO L124 PetriNetUnfolderBase]: 889/10500 cut-off events. [2025-03-13 22:31:54,412 INFO L125 PetriNetUnfolderBase]: For 811/1149 co-relation queries the response was YES. [2025-03-13 22:31:54,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13153 conditions, 10500 events. 889/10500 cut-off events. For 811/1149 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 87007 event pairs, 55 based on Foata normal form. 43/9705 useless extension candidates. Maximal degree in co-relation 13142. Up to 1000 conditions per place. [2025-03-13 22:31:54,459 INFO L140 encePairwiseOnDemand]: 1217/1226 looper letters, 114 selfloop transitions, 6 changer transitions 0/1266 dead transitions. [2025-03-13 22:31:54,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1004 places, 1266 transitions, 3833 flow [2025-03-13 22:31:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3157 transitions. [2025-03-13 22:31:54,465 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.858346927678086 [2025-03-13 22:31:54,465 INFO L175 Difference]: Start difference. First operand has 1003 places, 1241 transitions, 3515 flow. Second operand 3 states and 3157 transitions. [2025-03-13 22:31:54,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1004 places, 1266 transitions, 3833 flow [2025-03-13 22:31:54,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1004 places, 1266 transitions, 3833 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-13 22:31:54,489 INFO L231 Difference]: Finished difference. Result has 1006 places, 1245 transitions, 3561 flow [2025-03-13 22:31:54,491 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=3513, PETRI_DIFFERENCE_MINUEND_PLACES=1002, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3561, PETRI_PLACES=1006, PETRI_TRANSITIONS=1245} [2025-03-13 22:31:54,491 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -54 predicate places. [2025-03-13 22:31:54,492 INFO L471 AbstractCegarLoop]: Abstraction has has 1006 places, 1245 transitions, 3561 flow [2025-03-13 22:31:54,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1032.0) internal successors, (3096), 3 states have internal predecessors, (3096), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:54,493 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:54,494 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:54,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-13 22:31:54,494 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:54,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:54,495 INFO L85 PathProgramCache]: Analyzing trace with hash 990904291, now seen corresponding path program 1 times [2025-03-13 22:31:54,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:54,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636597436] [2025-03-13 22:31:54,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:54,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:54,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-13 22:31:54,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-13 22:31:54,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:54,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:31:54,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:54,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636597436] [2025-03-13 22:31:54,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636597436] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-13 22:31:54,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-13 22:31:54,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-13 22:31:54,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056725374] [2025-03-13 22:31:54,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:54,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:54,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:54,573 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:54,573 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-13 22:31:54,582 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1033 out of 1226 [2025-03-13 22:31:54,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1006 places, 1245 transitions, 3561 flow. Second operand has 3 states, 3 states have (on average 1035.0) internal successors, (3105), 3 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:54,589 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:54,589 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1033 of 1226 [2025-03-13 22:31:54,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:57,012 INFO L124 PetriNetUnfolderBase]: 1043/13791 cut-off events. [2025-03-13 22:31:57,012 INFO L125 PetriNetUnfolderBase]: For 925/1173 co-relation queries the response was YES. [2025-03-13 22:31:57,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16961 conditions, 13791 events. 1043/13791 cut-off events. For 925/1173 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 120764 event pairs, 53 based on Foata normal form. 43/12803 useless extension candidates. Maximal degree in co-relation 16948. Up to 1222 conditions per place. [2025-03-13 22:31:57,067 INFO L140 encePairwiseOnDemand]: 1220/1226 looper letters, 111 selfloop transitions, 4 changer transitions 0/1268 dead transitions. [2025-03-13 22:31:57,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1007 places, 1268 transitions, 3865 flow [2025-03-13 22:31:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3160 transitions. [2025-03-13 22:31:57,071 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8591625883632409 [2025-03-13 22:31:57,071 INFO L175 Difference]: Start difference. First operand has 1006 places, 1245 transitions, 3561 flow. Second operand 3 states and 3160 transitions. [2025-03-13 22:31:57,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1007 places, 1268 transitions, 3865 flow [2025-03-13 22:31:57,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1005 places, 1268 transitions, 3853 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:57,091 INFO L231 Difference]: Finished difference. Result has 1007 places, 1247 transitions, 3577 flow [2025-03-13 22:31:57,093 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=3547, PETRI_DIFFERENCE_MINUEND_PLACES=1003, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3577, PETRI_PLACES=1007, PETRI_TRANSITIONS=1247} [2025-03-13 22:31:57,095 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -53 predicate places. [2025-03-13 22:31:57,095 INFO L471 AbstractCegarLoop]: Abstraction has has 1007 places, 1247 transitions, 3577 flow [2025-03-13 22:31:57,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1035.0) internal successors, (3105), 3 states have internal predecessors, (3105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:57,097 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:57,097 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:57,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-13 22:31:57,098 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:31:57,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:31:57,099 INFO L85 PathProgramCache]: Analyzing trace with hash 902359027, now seen corresponding path program 1 times [2025-03-13 22:31:57,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:31:57,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622686664] [2025-03-13 22:31:57,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:57,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:31:57,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-13 22:31:57,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-13 22:31:57,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:57,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:31:57,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:31:57,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622686664] [2025-03-13 22:31:57,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622686664] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:57,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512644193] [2025-03-13 22:31:57,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:31:57,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:31:57,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:31:57,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:31:57,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-13 22:31:57,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-03-13 22:31:57,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-03-13 22:31:57,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:31:57,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:31:57,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-13 22:31:57,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:31:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:31:57,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-13 22:31:57,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-13 22:31:57,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512644193] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-13 22:31:57,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-13 22:31:57,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2025-03-13 22:31:57,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223086771] [2025-03-13 22:31:57,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-13 22:31:57,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-13 22:31:57,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:31:57,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-13 22:31:57,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-13 22:31:57,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1033 out of 1226 [2025-03-13 22:31:57,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1007 places, 1247 transitions, 3577 flow. Second operand has 3 states, 3 states have (on average 1035.6666666666667) internal successors, (3107), 3 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:57,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:31:57,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1033 of 1226 [2025-03-13 22:31:57,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:31:59,862 INFO L124 PetriNetUnfolderBase]: 1096/14601 cut-off events. [2025-03-13 22:31:59,862 INFO L125 PetriNetUnfolderBase]: For 1060/1509 co-relation queries the response was YES. [2025-03-13 22:31:59,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18054 conditions, 14601 events. 1096/14601 cut-off events. For 1060/1509 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 131216 event pairs, 73 based on Foata normal form. 47/13533 useless extension candidates. Maximal degree in co-relation 18040. Up to 1300 conditions per place. [2025-03-13 22:31:59,926 INFO L140 encePairwiseOnDemand]: 1222/1226 looper letters, 111 selfloop transitions, 3 changer transitions 0/1269 dead transitions. [2025-03-13 22:31:59,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1009 places, 1269 transitions, 3877 flow [2025-03-13 22:31:59,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-13 22:31:59,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-13 22:31:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3158 transitions. [2025-03-13 22:31:59,930 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8586188145731376 [2025-03-13 22:31:59,931 INFO L175 Difference]: Start difference. First operand has 1007 places, 1247 transitions, 3577 flow. Second operand 3 states and 3158 transitions. [2025-03-13 22:31:59,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1009 places, 1269 transitions, 3877 flow [2025-03-13 22:31:59,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1007 places, 1269 transitions, 3869 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:31:59,956 INFO L231 Difference]: Finished difference. Result has 1009 places, 1248 transitions, 3587 flow [2025-03-13 22:31:59,957 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=3569, PETRI_DIFFERENCE_MINUEND_PLACES=1005, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3587, PETRI_PLACES=1009, PETRI_TRANSITIONS=1248} [2025-03-13 22:31:59,959 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -51 predicate places. [2025-03-13 22:31:59,959 INFO L471 AbstractCegarLoop]: Abstraction has has 1009 places, 1248 transitions, 3587 flow [2025-03-13 22:31:59,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1035.6666666666667) internal successors, (3107), 3 states have internal predecessors, (3107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:31:59,960 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:31:59,961 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:31:59,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-13 22:32:00,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:32:00,165 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:32:00,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:32:00,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1748278966, now seen corresponding path program 1 times [2025-03-13 22:32:00,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:32:00,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600694610] [2025-03-13 22:32:00,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:32:00,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:32:00,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-13 22:32:00,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-13 22:32:00,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:32:00,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:32:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:32:00,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:32:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600694610] [2025-03-13 22:32:00,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600694610] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:32:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907777830] [2025-03-13 22:32:00,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-13 22:32:00,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:32:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:32:00,418 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:32:00,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-13 22:32:00,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-13 22:32:00,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-13 22:32:00,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-13 22:32:00,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:32:00,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-13 22:32:00,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:32:00,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:32:00,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-13 22:32:00,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-13 22:32:00,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907777830] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-13 22:32:00,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-13 22:32:00,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-13 22:32:00,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8249308] [2025-03-13 22:32:00,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-13 22:32:00,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-13 22:32:00,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:32:00,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-13 22:32:00,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-13 22:32:00,813 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1031 out of 1226 [2025-03-13 22:32:00,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1009 places, 1248 transitions, 3587 flow. Second operand has 9 states, 9 states have (on average 1033.6666666666667) internal successors, (9303), 9 states have internal predecessors, (9303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:32:00,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:32:00,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1031 of 1226 [2025-03-13 22:32:00,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:32:03,463 INFO L124 PetriNetUnfolderBase]: 825/12560 cut-off events. [2025-03-13 22:32:03,463 INFO L125 PetriNetUnfolderBase]: For 759/881 co-relation queries the response was YES. [2025-03-13 22:32:03,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15189 conditions, 12560 events. 825/12560 cut-off events. For 759/881 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 106776 event pairs, 12 based on Foata normal form. 1/11740 useless extension candidates. Maximal degree in co-relation 15174. Up to 1096 conditions per place. [2025-03-13 22:32:03,508 INFO L140 encePairwiseOnDemand]: 1220/1226 looper letters, 96 selfloop transitions, 7 changer transitions 0/1256 dead transitions. [2025-03-13 22:32:03,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1015 places, 1256 transitions, 3811 flow [2025-03-13 22:32:03,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-13 22:32:03,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-13 22:32:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7265 transitions. [2025-03-13 22:32:03,517 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8465392682358425 [2025-03-13 22:32:03,517 INFO L175 Difference]: Start difference. First operand has 1009 places, 1248 transitions, 3587 flow. Second operand 7 states and 7265 transitions. [2025-03-13 22:32:03,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1015 places, 1256 transitions, 3811 flow [2025-03-13 22:32:03,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1013 places, 1256 transitions, 3805 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-13 22:32:03,535 INFO L231 Difference]: Finished difference. Result has 1017 places, 1252 transitions, 3623 flow [2025-03-13 22:32:03,537 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=3581, PETRI_DIFFERENCE_MINUEND_PLACES=1007, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3623, PETRI_PLACES=1017, PETRI_TRANSITIONS=1252} [2025-03-13 22:32:03,537 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -43 predicate places. [2025-03-13 22:32:03,537 INFO L471 AbstractCegarLoop]: Abstraction has has 1017 places, 1252 transitions, 3623 flow [2025-03-13 22:32:03,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1033.6666666666667) internal successors, (9303), 9 states have internal predecessors, (9303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:32:03,539 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:32:03,540 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:32:03,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-13 22:32:03,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:32:03,740 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:32:03,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:32:03,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1125479853, now seen corresponding path program 2 times [2025-03-13 22:32:03,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:32:03,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255924820] [2025-03-13 22:32:03,741 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-13 22:32:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:32:03,763 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 221 statements into 2 equivalence classes. [2025-03-13 22:32:03,791 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 221 of 221 statements. [2025-03-13 22:32:03,791 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-13 22:32:03,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:32:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-13 22:32:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:32:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255924820] [2025-03-13 22:32:03,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255924820] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:32:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749127076] [2025-03-13 22:32:03,938 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-13 22:32:03,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:32:03,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:32:03,940 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:32:03,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-13 22:32:04,086 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 221 statements into 2 equivalence classes. [2025-03-13 22:32:04,486 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 221 of 221 statements. [2025-03-13 22:32:04,487 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-13 22:32:04,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:32:04,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-13 22:32:04,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-13 22:32:04,565 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-13 22:32:04,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-13 22:32:04,697 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-03-13 22:32:04,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749127076] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-13 22:32:04,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-13 22:32:04,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-13 22:32:04,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213411366] [2025-03-13 22:32:04,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-13 22:32:04,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-13 22:32:04,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-13 22:32:04,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-13 22:32:04,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-13 22:32:04,730 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1031 out of 1226 [2025-03-13 22:32:04,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1017 places, 1252 transitions, 3623 flow. Second operand has 9 states, 9 states have (on average 1033.6666666666667) internal successors, (9303), 9 states have internal predecessors, (9303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:32:04,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-13 22:32:04,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1031 of 1226 [2025-03-13 22:32:04,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-13 22:32:07,446 INFO L124 PetriNetUnfolderBase]: 806/12697 cut-off events. [2025-03-13 22:32:07,446 INFO L125 PetriNetUnfolderBase]: For 767/889 co-relation queries the response was YES. [2025-03-13 22:32:07,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15331 conditions, 12697 events. 806/12697 cut-off events. For 767/889 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 106611 event pairs, 12 based on Foata normal form. 0/11869 useless extension candidates. Maximal degree in co-relation 15313. Up to 1096 conditions per place. [2025-03-13 22:32:07,499 INFO L140 encePairwiseOnDemand]: 1220/1226 looper letters, 100 selfloop transitions, 9 changer transitions 0/1266 dead transitions. [2025-03-13 22:32:07,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1025 places, 1266 transitions, 3877 flow [2025-03-13 22:32:07,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-13 22:32:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-13 22:32:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9334 transitions. [2025-03-13 22:32:07,512 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8459307594707268 [2025-03-13 22:32:07,512 INFO L175 Difference]: Start difference. First operand has 1017 places, 1252 transitions, 3623 flow. Second operand 9 states and 9334 transitions. [2025-03-13 22:32:07,512 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1025 places, 1266 transitions, 3877 flow [2025-03-13 22:32:07,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1024 places, 1266 transitions, 3871 flow, removed 2 selfloop flow, removed 1 redundant places. [2025-03-13 22:32:07,531 INFO L231 Difference]: Finished difference. Result has 1027 places, 1259 transitions, 3673 flow [2025-03-13 22:32:07,533 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1226, PETRI_DIFFERENCE_MINUEND_FLOW=3617, PETRI_DIFFERENCE_MINUEND_PLACES=1016, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3673, PETRI_PLACES=1027, PETRI_TRANSITIONS=1259} [2025-03-13 22:32:07,533 INFO L279 CegarLoopForPetriNet]: 1060 programPoint places, -33 predicate places. [2025-03-13 22:32:07,534 INFO L471 AbstractCegarLoop]: Abstraction has has 1027 places, 1259 transitions, 3673 flow [2025-03-13 22:32:07,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1033.6666666666667) internal successors, (9303), 9 states have internal predecessors, (9303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-13 22:32:07,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-13 22:32:07,537 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-13 22:32:07,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-13 22:32:07,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:32:07,738 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2025-03-13 22:32:07,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-13 22:32:07,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1464831821, now seen corresponding path program 3 times [2025-03-13 22:32:07,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-13 22:32:07,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227072239] [2025-03-13 22:32:07,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-13 22:32:07,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-13 22:32:07,777 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 367 statements into 4 equivalence classes. [2025-03-13 22:32:07,987 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 367 of 367 statements. [2025-03-13 22:32:07,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-13 22:32:07,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-13 22:32:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 148 proven. 72 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-13 22:32:09,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-13 22:32:09,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227072239] [2025-03-13 22:32:09,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227072239] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-13 22:32:09,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919678413] [2025-03-13 22:32:09,042 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-13 22:32:09,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-13 22:32:09,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-13 22:32:09,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-13 22:32:09,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-13 22:32:09,223 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 367 statements into 4 equivalence classes.