./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/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 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:45:32,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:45:33,050 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:45:33,055 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:45:33,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:45:33,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:45:33,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:45:33,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:45:33,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:45:33,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:45:33,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:45:33,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:45:33,080 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:45:33,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:45:33,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:45:33,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:45:33,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:45:33,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:45:33,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:45:33,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:45:33,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:45:33,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:45:33,083 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:45:33,083 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:45:33,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:45:33,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:45:33,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:45:33,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:45:33,084 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:45:33,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:45:33,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:45:33,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:45:33,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:45:33,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:45:33,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:45:33,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:45:33,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:45:33,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:45:33,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:45:33,087 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:45:33,087 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:45:33,087 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-11-10 14:45:33,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:45:33,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:45:33,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:45:33,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:45:33,275 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:45:33,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hclhlock.i [2024-11-10 14:45:34,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:45:34,822 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:45:34,823 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i [2024-11-10 14:45:34,862 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a0b5576c/e52ec38eedfb4419a4d6699edeeee3bb/FLAG589004269 [2024-11-10 14:45:34,873 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a0b5576c/e52ec38eedfb4419a4d6699edeeee3bb [2024-11-10 14:45:34,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:45:34,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:45:34,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:45:34,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:45:34,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:45:34,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:34" (1/1) ... [2024-11-10 14:45:34,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32db43c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:34, skipping insertion in model container [2024-11-10 14:45:34,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:45:34" (1/1) ... [2024-11-10 14:45:34,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:45:36,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:45:36,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:45:36,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-10 14:45:36,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-10 14:45:36,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-10 14:45:36,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-10 14:45:36,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-10 14:45:36,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-10 14:45:36,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-10 14:45:36,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-10 14:45:36,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-10 14:45:36,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-10 14:45:36,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-10 14:45:36,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-10 14:45:36,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-10 14:45:36,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-10 14:45:36,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-10 14:45:36,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-10 14:45:36,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-10 14:45:36,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-10 14:45:36,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-10 14:45:36,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-10 14:45:36,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-10 14:45:36,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-10 14:45:36,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-10 14:45:36,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-10 14:45:36,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-10 14:45:36,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-10 14:45:36,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-10 14:45:36,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-10 14:45:36,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-10 14:45:36,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-10 14:45:36,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-10 14:45:36,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-10 14:45:36,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-10 14:45:36,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-10 14:45:36,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-10 14:45:36,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-10 14:45:36,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-10 14:45:36,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-10 14:45:36,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-10 14:45:36,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-10 14:45:36,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-10 14:45:36,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-10 14:45:36,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-10 14:45:36,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-10 14:45:36,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-10 14:45:36,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-10 14:45:36,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-10 14:45:36,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-10 14:45:36,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-10 14:45:36,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-10 14:45:36,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-10 14:45:36,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-10 14:45:36,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-10 14:45:36,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-10 14:45:36,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-10 14:45:36,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-10 14:45:36,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-10 14:45:36,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-10 14:45:36,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-10 14:45:36,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-10 14:45:36,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-10 14:45:36,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-10 14:45:36,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-10 14:45:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-10 14:45:36,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-10 14:45:36,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-10 14:45:36,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-10 14:45:36,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-10 14:45:36,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-10 14:45:36,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-10 14:45:36,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-10 14:45:36,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-10 14:45:36,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-10 14:45:36,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-10 14:45:36,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-10 14:45:36,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-10 14:45:36,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-10 14:45:36,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-10 14:45:36,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-10 14:45:36,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-10 14:45:36,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-10 14:45:36,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-10 14:45:36,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-10 14:45:36,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-10 14:45:36,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-10 14:45:36,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-10 14:45:36,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-10 14:45:36,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-10 14:45:36,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-10 14:45:36,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-10 14:45:36,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-10 14:45:36,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-10 14:45:36,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-10 14:45:36,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-10 14:45:36,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-10 14:45:36,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-10 14:45:36,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-10 14:45:36,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-10 14:45:36,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-10 14:45:36,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-10 14:45:36,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:45:36,961 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:45:36,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36 WrapperNode [2024-11-10 14:45:36,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:45:36,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:45:36,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:45:36,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:45:36,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,127 INFO L138 Inliner]: procedures = 921, calls = 972, calls flagged for inlining = 848, calls inlined = 84, statements flattened = 1098 [2024-11-10 14:45:37,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:45:37,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:45:37,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:45:37,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:45:37,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,182 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:45:37,204 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:45:37,204 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:45:37,206 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:45:37,207 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (1/1) ... [2024-11-10 14:45:37,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:45:37,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:37,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:45:37,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:45:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:45:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:45:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:45:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:45:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:45:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-10 14:45:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-10 14:45:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:45:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-10 14:45:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:45:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:45:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-10 14:45:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:45:37,275 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:45:37,440 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:45:37,443 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:45:37,840 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-10 14:45:37,840 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-27: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-9: havoc vatomic32_read_acq_#t~ret113#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290: havoc vatomic32_await_neq_acq_#t~ret175#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290-9: havoc vatomic32_await_neq_acq_#t~ret175#1; [2024-11-10 14:45:38,436 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2024-11-10 14:45:38,437 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-10 14:45:38,438 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:45:38,439 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:45:38,581 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:45:38,581 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:45:38,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:45:38 BoogieIcfgContainer [2024-11-10 14:45:38,582 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:45:38,583 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:45:38,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:45:38,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:45:38,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:45:34" (1/3) ... [2024-11-10 14:45:38,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4187de31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:38, skipping insertion in model container [2024-11-10 14:45:38,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:45:36" (2/3) ... [2024-11-10 14:45:38,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4187de31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:45:38, skipping insertion in model container [2024-11-10 14:45:38,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:45:38" (3/3) ... [2024-11-10 14:45:38,590 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-11-10 14:45:38,606 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:45:38,607 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-10 14:45:38,607 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:45:38,848 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:45:38,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1114 places, 1288 transitions, 2583 flow [2024-11-10 14:45:39,132 INFO L124 PetriNetUnfolderBase]: 193/1371 cut-off events. [2024-11-10 14:45:39,132 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:45:39,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1376 conditions, 1371 events. 193/1371 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 4809 event pairs, 0 based on Foata normal form. 0/1128 useless extension candidates. Maximal degree in co-relation 1038. Up to 6 conditions per place. [2024-11-10 14:45:39,155 INFO L82 GeneralOperation]: Start removeDead. Operand has 1114 places, 1288 transitions, 2583 flow [2024-11-10 14:45:39,201 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1114 places, 1288 transitions, 2583 flow [2024-11-10 14:45:39,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:45:39,213 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;@38630633, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:45:39,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2024-11-10 14:45:39,218 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:45:39,218 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-10 14:45:39,218 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:45:39,218 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:39,219 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:39,219 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)] === [2024-11-10 14:45:39,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash 2050191158, now seen corresponding path program 1 times [2024-11-10 14:45:39,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:39,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740817939] [2024-11-10 14:45:39,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:39,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:39,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:39,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740817939] [2024-11-10 14:45:39,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740817939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:39,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:39,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:45:39,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51246806] [2024-11-10 14:45:39,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:39,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:45:39,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:39,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:45:39,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:45:39,868 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1094 out of 1288 [2024-11-10 14:45:39,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1114 places, 1288 transitions, 2583 flow. Second operand has 2 states, 2 states have (on average 1094.5) internal successors, (2189), 2 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:39,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:39,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1094 of 1288 [2024-11-10 14:45:39,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:40,199 INFO L124 PetriNetUnfolderBase]: 33/1149 cut-off events. [2024-11-10 14:45:40,199 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:45:40,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1184 conditions, 1149 events. 33/1149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 3006 event pairs, 0 based on Foata normal form. 384/1452 useless extension candidates. Maximal degree in co-relation 895. Up to 30 conditions per place. [2024-11-10 14:45:40,209 INFO L140 encePairwiseOnDemand]: 1123/1288 looper letters, 29 selfloop transitions, 0 changer transitions 12/1086 dead transitions. [2024-11-10 14:45:40,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1057 places, 1086 transitions, 2237 flow [2024-11-10 14:45:40,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:45:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:45:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2382 transitions. [2024-11-10 14:45:40,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9246894409937888 [2024-11-10 14:45:40,229 INFO L175 Difference]: Start difference. First operand has 1114 places, 1288 transitions, 2583 flow. Second operand 2 states and 2382 transitions. [2024-11-10 14:45:40,230 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1057 places, 1086 transitions, 2237 flow [2024-11-10 14:45:40,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1057 places, 1086 transitions, 2237 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:40,252 INFO L231 Difference]: Finished difference. Result has 1057 places, 1074 transitions, 2155 flow [2024-11-10 14:45:40,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2179, PETRI_DIFFERENCE_MINUEND_PLACES=1056, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1086, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1086, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2155, PETRI_PLACES=1057, PETRI_TRANSITIONS=1074} [2024-11-10 14:45:40,258 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -57 predicate places. [2024-11-10 14:45:40,259 INFO L471 AbstractCegarLoop]: Abstraction has has 1057 places, 1074 transitions, 2155 flow [2024-11-10 14:45:40,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1094.5) internal successors, (2189), 2 states have internal predecessors, (2189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:40,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:40,261 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:40,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:45:40,261 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)] === [2024-11-10 14:45:40,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1843099911, now seen corresponding path program 1 times [2024-11-10 14:45:40,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:40,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410241431] [2024-11-10 14:45:40,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:40,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:40,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:40,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:40,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410241431] [2024-11-10 14:45:40,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410241431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:40,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:40,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:45:40,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989332271] [2024-11-10 14:45:40,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:40,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:40,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:40,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:40,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:45:40,431 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1088 out of 1288 [2024-11-10 14:45:40,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1057 places, 1074 transitions, 2155 flow. Second operand has 3 states, 3 states have (on average 1090.3333333333333) internal successors, (3271), 3 states have internal predecessors, (3271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:40,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:40,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1088 of 1288 [2024-11-10 14:45:40,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:40,683 INFO L124 PetriNetUnfolderBase]: 33/1156 cut-off events. [2024-11-10 14:45:40,684 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:45:40,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1200 conditions, 1156 events. 33/1156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 2928 event pairs, 0 based on Foata normal form. 1/1081 useless extension candidates. Maximal degree in co-relation 1196. Up to 33 conditions per place. [2024-11-10 14:45:40,695 INFO L140 encePairwiseOnDemand]: 1285/1288 looper letters, 35 selfloop transitions, 2 changer transitions 0/1076 dead transitions. [2024-11-10 14:45:40,696 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1047 places, 1076 transitions, 2233 flow [2024-11-10 14:45:40,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:40,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3302 transitions. [2024-11-10 14:45:40,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8545548654244306 [2024-11-10 14:45:40,702 INFO L175 Difference]: Start difference. First operand has 1057 places, 1074 transitions, 2155 flow. Second operand 3 states and 3302 transitions. [2024-11-10 14:45:40,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1047 places, 1076 transitions, 2233 flow [2024-11-10 14:45:40,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1047 places, 1076 transitions, 2233 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:40,719 INFO L231 Difference]: Finished difference. Result has 1048 places, 1075 transitions, 2167 flow [2024-11-10 14:45:40,720 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2155, PETRI_DIFFERENCE_MINUEND_PLACES=1045, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1072, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2167, PETRI_PLACES=1048, PETRI_TRANSITIONS=1075} [2024-11-10 14:45:40,721 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -66 predicate places. [2024-11-10 14:45:40,721 INFO L471 AbstractCegarLoop]: Abstraction has has 1048 places, 1075 transitions, 2167 flow [2024-11-10 14:45:40,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1090.3333333333333) internal successors, (3271), 3 states have internal predecessors, (3271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:40,723 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:40,724 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-10 14:45:40,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:45:40,724 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)] === [2024-11-10 14:45:40,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:40,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1656820241, now seen corresponding path program 1 times [2024-11-10 14:45:40,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:40,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5646113] [2024-11-10 14:45:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:40,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5646113] [2024-11-10 14:45:40,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5646113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:40,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653608879] [2024-11-10 14:45:40,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:40,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:45:40,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:40,928 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) [2024-11-10 14:45:40,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 14:45:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:41,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:45:41,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:45:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:41,122 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:45:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:45:41,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653608879] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:41,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-10 14:45:41,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2024-11-10 14:45:41,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949082606] [2024-11-10 14:45:41,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:41,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:41,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:41,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:41,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:45:41,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1087 out of 1288 [2024-11-10 14:45:41,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1048 places, 1075 transitions, 2167 flow. Second operand has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:41,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:41,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1087 of 1288 [2024-11-10 14:45:41,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:41,470 INFO L124 PetriNetUnfolderBase]: 33/1158 cut-off events. [2024-11-10 14:45:41,472 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 14:45:41,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1210 conditions, 1158 events. 33/1158 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 2479 event pairs, 0 based on Foata normal form. 0/1082 useless extension candidates. Maximal degree in co-relation 1204. Up to 33 conditions per place. [2024-11-10 14:45:41,482 INFO L140 encePairwiseOnDemand]: 1284/1288 looper letters, 34 selfloop transitions, 3 changer transitions 0/1076 dead transitions. [2024-11-10 14:45:41,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1050 places, 1076 transitions, 2243 flow [2024-11-10 14:45:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:41,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3299 transitions. [2024-11-10 14:45:41,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8537784679089027 [2024-11-10 14:45:41,487 INFO L175 Difference]: Start difference. First operand has 1048 places, 1075 transitions, 2167 flow. Second operand 3 states and 3299 transitions. [2024-11-10 14:45:41,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1050 places, 1076 transitions, 2243 flow [2024-11-10 14:45:41,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1049 places, 1076 transitions, 2241 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:45:41,499 INFO L231 Difference]: Finished difference. Result has 1051 places, 1076 transitions, 2183 flow [2024-11-10 14:45:41,500 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2165, PETRI_DIFFERENCE_MINUEND_PLACES=1047, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1072, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2183, PETRI_PLACES=1051, PETRI_TRANSITIONS=1076} [2024-11-10 14:45:41,501 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -63 predicate places. [2024-11-10 14:45:41,501 INFO L471 AbstractCegarLoop]: Abstraction has has 1051 places, 1076 transitions, 2183 flow [2024-11-10 14:45:41,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:41,503 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:41,503 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-10 14:45:41,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 14:45:41,703 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 [2024-11-10 14:45:41,705 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)] === [2024-11-10 14:45:41,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:41,706 INFO L85 PathProgramCache]: Analyzing trace with hash 2007641307, now seen corresponding path program 1 times [2024-11-10 14:45:41,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:41,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155742823] [2024-11-10 14:45:41,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:41,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:41,881 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:41,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:41,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155742823] [2024-11-10 14:45:41,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155742823] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:41,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822134953] [2024-11-10 14:45:41,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:41,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:45:41,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:41,886 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) [2024-11-10 14:45:41,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 14:45:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:42,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 14:45:42,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:45:42,084 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 [2024-11-10 14:45:42,098 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 [2024-11-10 14:45:42,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:45:42,122 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 [2024-11-10 14:45:42,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:45:42,146 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 [2024-11-10 14:45:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:45:42,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:45:42,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822134953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:42,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:45:42,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 14:45:42,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429397651] [2024-11-10 14:45:42,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:42,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:45:42,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:42,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:45:42,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 14:45:42,494 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1288 [2024-11-10 14:45:42,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1051 places, 1076 transitions, 2183 flow. Second operand has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:42,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:42,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1288 [2024-11-10 14:45:42,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:43,700 INFO L124 PetriNetUnfolderBase]: 690/7944 cut-off events. [2024-11-10 14:45:43,700 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:45:43,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9000 conditions, 7944 events. 690/7944 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 68343 event pairs, 432 based on Foata normal form. 0/7434 useless extension candidates. Maximal degree in co-relation 8993. Up to 1029 conditions per place. [2024-11-10 14:45:43,726 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 82 selfloop transitions, 5 changer transitions 0/1075 dead transitions. [2024-11-10 14:45:43,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1055 places, 1075 transitions, 2355 flow [2024-11-10 14:45:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:45:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:45:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6298 transitions. [2024-11-10 14:45:43,734 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8149585921325052 [2024-11-10 14:45:43,735 INFO L175 Difference]: Start difference. First operand has 1051 places, 1076 transitions, 2183 flow. Second operand 6 states and 6298 transitions. [2024-11-10 14:45:43,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1055 places, 1075 transitions, 2355 flow [2024-11-10 14:45:43,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1053 places, 1075 transitions, 2349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:45:43,750 INFO L231 Difference]: Finished difference. Result has 1053 places, 1075 transitions, 2185 flow [2024-11-10 14:45:43,751 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2175, PETRI_DIFFERENCE_MINUEND_PLACES=1048, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1075, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1070, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2185, PETRI_PLACES=1053, PETRI_TRANSITIONS=1075} [2024-11-10 14:45:43,752 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -61 predicate places. [2024-11-10 14:45:43,752 INFO L471 AbstractCegarLoop]: Abstraction has has 1053 places, 1075 transitions, 2185 flow [2024-11-10 14:45:43,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:43,755 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:43,755 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-10 14:45:43,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 14:45:43,959 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 [2024-11-10 14:45:43,960 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)] === [2024-11-10 14:45:43,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:43,960 INFO L85 PathProgramCache]: Analyzing trace with hash -424012093, now seen corresponding path program 1 times [2024-11-10 14:45:43,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:43,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227416787] [2024-11-10 14:45:43,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:43,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:44,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:44,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227416787] [2024-11-10 14:45:44,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227416787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:44,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685203633] [2024-11-10 14:45:44,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:44,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:45:44,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:44,098 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) [2024-11-10 14:45:44,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 14:45:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:44,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-10 14:45:44,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:45:44,270 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 [2024-11-10 14:45:44,294 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 [2024-11-10 14:45:44,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:45:44,317 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 [2024-11-10 14:45:44,338 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:45:44,339 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 [2024-11-10 14:45:44,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:45:44,358 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:45:44,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685203633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:44,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:45:44,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 14:45:44,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255647408] [2024-11-10 14:45:44,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:44,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:45:44,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:44,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:45:44,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 14:45:44,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1035 out of 1288 [2024-11-10 14:45:44,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1053 places, 1075 transitions, 2185 flow. Second operand has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:44,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:44,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1035 of 1288 [2024-11-10 14:45:44,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:45,949 INFO L124 PetriNetUnfolderBase]: 690/7943 cut-off events. [2024-11-10 14:45:45,949 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:45:45,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9001 conditions, 7943 events. 690/7943 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 68423 event pairs, 432 based on Foata normal form. 0/7433 useless extension candidates. Maximal degree in co-relation 8994. Up to 1029 conditions per place. [2024-11-10 14:45:45,976 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 82 selfloop transitions, 5 changer transitions 0/1074 dead transitions. [2024-11-10 14:45:45,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1057 places, 1074 transitions, 2357 flow [2024-11-10 14:45:45,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:45:45,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:45:45,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6298 transitions. [2024-11-10 14:45:45,985 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8149585921325052 [2024-11-10 14:45:45,985 INFO L175 Difference]: Start difference. First operand has 1053 places, 1075 transitions, 2185 flow. Second operand 6 states and 6298 transitions. [2024-11-10 14:45:45,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1057 places, 1074 transitions, 2357 flow [2024-11-10 14:45:45,990 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1052 places, 1074 transitions, 2347 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:45:45,997 INFO L231 Difference]: Finished difference. Result has 1052 places, 1074 transitions, 2183 flow [2024-11-10 14:45:45,998 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2173, PETRI_DIFFERENCE_MINUEND_PLACES=1047, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1069, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2183, PETRI_PLACES=1052, PETRI_TRANSITIONS=1074} [2024-11-10 14:45:45,999 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -62 predicate places. [2024-11-10 14:45:45,999 INFO L471 AbstractCegarLoop]: Abstraction has has 1052 places, 1074 transitions, 2183 flow [2024-11-10 14:45:46,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1037.0) internal successors, (6222), 6 states have internal predecessors, (6222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:46,002 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:46,003 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:46,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 14:45:46,205 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 [2024-11-10 14:45:46,205 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)] === [2024-11-10 14:45:46,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:46,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1320372034, now seen corresponding path program 1 times [2024-11-10 14:45:46,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:46,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538219866] [2024-11-10 14:45:46,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:46,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:46,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:45:46,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:46,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538219866] [2024-11-10 14:45:46,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538219866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:46,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352406663] [2024-11-10 14:45:46,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:46,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:45:46,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:46,479 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) [2024-11-10 14:45:46,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 14:45:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:46,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-10 14:45:46,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:45:47,169 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 [2024-11-10 14:45:47,191 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 [2024-11-10 14:45:47,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:45:47,222 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 [2024-11-10 14:45:47,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:45:47,264 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 [2024-11-10 14:45:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:45:47,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:45:47,639 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 [2024-11-10 14:45:47,648 INFO L349 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2024-11-10 14:45:47,649 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 [2024-11-10 14:45:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:45:47,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [352406663] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:47,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-10 14:45:47,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 19] total 27 [2024-11-10 14:45:47,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867956041] [2024-11-10 14:45:47,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:47,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:45:47,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:47,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:45:47,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2024-11-10 14:45:47,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1027 out of 1288 [2024-11-10 14:45:47,984 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1052 places, 1074 transitions, 2183 flow. Second operand has 6 states, 6 states have (on average 1030.5) internal successors, (6183), 6 states have internal predecessors, (6183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:47,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:47,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1027 of 1288 [2024-11-10 14:45:47,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:50,804 INFO L124 PetriNetUnfolderBase]: 1634/15595 cut-off events. [2024-11-10 14:45:50,805 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:45:50,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18192 conditions, 15595 events. 1634/15595 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 160780 event pairs, 538 based on Foata normal form. 0/14517 useless extension candidates. Maximal degree in co-relation 18185. Up to 2160 conditions per place. [2024-11-10 14:45:50,847 INFO L140 encePairwiseOnDemand]: 1227/1288 looper letters, 123 selfloop transitions, 222 changer transitions 0/1323 dead transitions. [2024-11-10 14:45:50,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1057 places, 1323 transitions, 3371 flow [2024-11-10 14:45:50,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:45:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:45:50,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6508 transitions. [2024-11-10 14:45:50,856 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8421325051759835 [2024-11-10 14:45:50,856 INFO L175 Difference]: Start difference. First operand has 1052 places, 1074 transitions, 2183 flow. Second operand 6 states and 6508 transitions. [2024-11-10 14:45:50,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1057 places, 1323 transitions, 3371 flow [2024-11-10 14:45:50,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1052 places, 1323 transitions, 3361 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:45:50,871 INFO L231 Difference]: Finished difference. Result has 1057 places, 1295 transitions, 3623 flow [2024-11-10 14:45:50,872 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=2173, PETRI_DIFFERENCE_MINUEND_PLACES=1047, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1074, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1014, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3623, PETRI_PLACES=1057, PETRI_TRANSITIONS=1295} [2024-11-10 14:45:50,873 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -57 predicate places. [2024-11-10 14:45:50,873 INFO L471 AbstractCegarLoop]: Abstraction has has 1057 places, 1295 transitions, 3623 flow [2024-11-10 14:45:50,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1030.5) internal successors, (6183), 6 states have internal predecessors, (6183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:50,876 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:50,876 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:50,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 14:45:51,076 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 [2024-11-10 14:45:51,077 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)] === [2024-11-10 14:45:51,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1181542941, now seen corresponding path program 1 times [2024-11-10 14:45:51,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:51,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676330942] [2024-11-10 14:45:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:51,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:45:51,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:51,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676330942] [2024-11-10 14:45:51,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676330942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:51,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:51,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:45:51,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072103792] [2024-11-10 14:45:51,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:51,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:51,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:51,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:51,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:45:51,153 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1084 out of 1288 [2024-11-10 14:45:51,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1057 places, 1295 transitions, 3623 flow. Second operand has 3 states, 3 states have (on average 1086.0) internal successors, (3258), 3 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:51,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:51,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1084 of 1288 [2024-11-10 14:45:51,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:52,909 INFO L124 PetriNetUnfolderBase]: 968/11050 cut-off events. [2024-11-10 14:45:52,909 INFO L125 PetriNetUnfolderBase]: For 776/1015 co-relation queries the response was YES. [2024-11-10 14:45:52,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13809 conditions, 11050 events. 968/11050 cut-off events. For 776/1015 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 92047 event pairs, 55 based on Foata normal form. 34/10256 useless extension candidates. Maximal degree in co-relation 13798. Up to 1000 conditions per place. [2024-11-10 14:45:52,949 INFO L140 encePairwiseOnDemand]: 1279/1288 looper letters, 114 selfloop transitions, 6 changer transitions 0/1320 dead transitions. [2024-11-10 14:45:52,950 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1058 places, 1320 transitions, 3941 flow [2024-11-10 14:45:52,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:52,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3319 transitions. [2024-11-10 14:45:52,955 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8589544513457557 [2024-11-10 14:45:52,956 INFO L175 Difference]: Start difference. First operand has 1057 places, 1295 transitions, 3623 flow. Second operand 3 states and 3319 transitions. [2024-11-10 14:45:52,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1058 places, 1320 transitions, 3941 flow [2024-11-10 14:45:52,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1058 places, 1320 transitions, 3941 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:45:52,983 INFO L231 Difference]: Finished difference. Result has 1060 places, 1299 transitions, 3669 flow [2024-11-10 14:45:52,984 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3621, PETRI_DIFFERENCE_MINUEND_PLACES=1056, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1288, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3669, PETRI_PLACES=1060, PETRI_TRANSITIONS=1299} [2024-11-10 14:45:52,985 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -54 predicate places. [2024-11-10 14:45:52,985 INFO L471 AbstractCegarLoop]: Abstraction has has 1060 places, 1299 transitions, 3669 flow [2024-11-10 14:45:52,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1086.0) internal successors, (3258), 3 states have internal predecessors, (3258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:52,991 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:52,991 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:52,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:45:52,992 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)] === [2024-11-10 14:45:52,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:52,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1591312920, now seen corresponding path program 1 times [2024-11-10 14:45:52,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:52,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448348944] [2024-11-10 14:45:52,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:52,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:53,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:45:53,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:53,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448348944] [2024-11-10 14:45:53,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448348944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:45:53,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:45:53,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:45:53,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724891795] [2024-11-10 14:45:53,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:53,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:53,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:53,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:53,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:45:53,092 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1087 out of 1288 [2024-11-10 14:45:53,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1060 places, 1299 transitions, 3669 flow. Second operand has 3 states, 3 states have (on average 1089.0) internal successors, (3267), 3 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:53,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:53,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1087 of 1288 [2024-11-10 14:45:53,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:55,447 INFO L124 PetriNetUnfolderBase]: 1095/14464 cut-off events. [2024-11-10 14:45:55,448 INFO L125 PetriNetUnfolderBase]: For 892/1073 co-relation queries the response was YES. [2024-11-10 14:45:55,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17721 conditions, 14464 events. 1095/14464 cut-off events. For 892/1073 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 127259 event pairs, 57 based on Foata normal form. 30/13465 useless extension candidates. Maximal degree in co-relation 17708. Up to 1220 conditions per place. [2024-11-10 14:45:55,489 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 111 selfloop transitions, 4 changer transitions 0/1322 dead transitions. [2024-11-10 14:45:55,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1061 places, 1322 transitions, 3973 flow [2024-11-10 14:45:55,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:55,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3322 transitions. [2024-11-10 14:45:55,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597308488612836 [2024-11-10 14:45:55,494 INFO L175 Difference]: Start difference. First operand has 1060 places, 1299 transitions, 3669 flow. Second operand 3 states and 3322 transitions. [2024-11-10 14:45:55,494 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1061 places, 1322 transitions, 3973 flow [2024-11-10 14:45:55,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1059 places, 1322 transitions, 3961 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:45:55,512 INFO L231 Difference]: Finished difference. Result has 1061 places, 1301 transitions, 3685 flow [2024-11-10 14:45:55,514 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3655, PETRI_DIFFERENCE_MINUEND_PLACES=1057, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1298, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1294, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3685, PETRI_PLACES=1061, PETRI_TRANSITIONS=1301} [2024-11-10 14:45:55,514 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -53 predicate places. [2024-11-10 14:45:55,514 INFO L471 AbstractCegarLoop]: Abstraction has has 1061 places, 1301 transitions, 3685 flow [2024-11-10 14:45:55,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1089.0) internal successors, (3267), 3 states have internal predecessors, (3267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:55,516 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:55,516 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:55,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:45:55,516 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)] === [2024-11-10 14:45:55,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:55,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1152314035, now seen corresponding path program 1 times [2024-11-10 14:45:55,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:55,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954561182] [2024-11-10 14:45:55,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:55,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:45:55,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954561182] [2024-11-10 14:45:55,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954561182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:55,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153913410] [2024-11-10 14:45:55,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:55,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:45:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:55,666 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) [2024-11-10 14:45:55,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 14:45:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:55,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:45:55,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:45:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:45:55,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:45:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 14:45:55,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153913410] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:55,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-10 14:45:55,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2024-11-10 14:45:55,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608289918] [2024-11-10 14:45:55,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:45:55,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:45:55,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:55,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:45:55,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:45:55,892 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1087 out of 1288 [2024-11-10 14:45:55,894 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1061 places, 1301 transitions, 3685 flow. Second operand has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:55,894 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:55,894 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1087 of 1288 [2024-11-10 14:45:55,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:45:58,625 INFO L124 PetriNetUnfolderBase]: 1150/15395 cut-off events. [2024-11-10 14:45:58,626 INFO L125 PetriNetUnfolderBase]: For 1023/1428 co-relation queries the response was YES. [2024-11-10 14:45:58,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18929 conditions, 15395 events. 1150/15395 cut-off events. For 1023/1428 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 138935 event pairs, 73 based on Foata normal form. 46/14328 useless extension candidates. Maximal degree in co-relation 18915. Up to 1300 conditions per place. [2024-11-10 14:45:58,680 INFO L140 encePairwiseOnDemand]: 1284/1288 looper letters, 111 selfloop transitions, 3 changer transitions 0/1323 dead transitions. [2024-11-10 14:45:58,680 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1063 places, 1323 transitions, 3985 flow [2024-11-10 14:45:58,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:45:58,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:45:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3320 transitions. [2024-11-10 14:45:58,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8592132505175983 [2024-11-10 14:45:58,685 INFO L175 Difference]: Start difference. First operand has 1061 places, 1301 transitions, 3685 flow. Second operand 3 states and 3320 transitions. [2024-11-10 14:45:58,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1063 places, 1323 transitions, 3985 flow [2024-11-10 14:45:58,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1061 places, 1323 transitions, 3977 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:45:58,703 INFO L231 Difference]: Finished difference. Result has 1063 places, 1302 transitions, 3695 flow [2024-11-10 14:45:58,705 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3677, PETRI_DIFFERENCE_MINUEND_PLACES=1059, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3695, PETRI_PLACES=1063, PETRI_TRANSITIONS=1302} [2024-11-10 14:45:58,705 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -51 predicate places. [2024-11-10 14:45:58,705 INFO L471 AbstractCegarLoop]: Abstraction has has 1063 places, 1302 transitions, 3695 flow [2024-11-10 14:45:58,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1089.6666666666667) internal successors, (3269), 3 states have internal predecessors, (3269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:58,706 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:45:58,706 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:45:58,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 14:45:58,910 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 [2024-11-10 14:45:58,911 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)] === [2024-11-10 14:45:58,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:45:58,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1491534551, now seen corresponding path program 1 times [2024-11-10 14:45:58,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:45:58,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943265918] [2024-11-10 14:45:58,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:58,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:45:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-10 14:45:59,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:45:59,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943265918] [2024-11-10 14:45:59,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943265918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:45:59,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673410356] [2024-11-10 14:45:59,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:45:59,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:45:59,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:45:59,195 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) [2024-11-10 14:45:59,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 14:45:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:45:59,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 14:45:59,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:45:59,446 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-10 14:45:59,446 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:45:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-10 14:45:59,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673410356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:45:59,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:45:59,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-10 14:45:59,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155138383] [2024-11-10 14:45:59,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:45:59,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 14:45:59,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:45:59,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 14:45:59,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 14:45:59,539 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1085 out of 1288 [2024-11-10 14:45:59,543 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1063 places, 1302 transitions, 3695 flow. Second operand has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:45:59,543 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:45:59,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1085 of 1288 [2024-11-10 14:45:59,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:01,878 INFO L124 PetriNetUnfolderBase]: 879/13231 cut-off events. [2024-11-10 14:46:01,878 INFO L125 PetriNetUnfolderBase]: For 730/823 co-relation queries the response was YES. [2024-11-10 14:46:01,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15941 conditions, 13231 events. 879/13231 cut-off events. For 730/823 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 112383 event pairs, 12 based on Foata normal form. 1/12412 useless extension candidates. Maximal degree in co-relation 15926. Up to 1096 conditions per place. [2024-11-10 14:46:01,923 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 96 selfloop transitions, 7 changer transitions 0/1310 dead transitions. [2024-11-10 14:46:01,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1069 places, 1310 transitions, 3919 flow [2024-11-10 14:46:01,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 14:46:01,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 14:46:01,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7643 transitions. [2024-11-10 14:46:01,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8477151730257321 [2024-11-10 14:46:01,936 INFO L175 Difference]: Start difference. First operand has 1063 places, 1302 transitions, 3695 flow. Second operand 7 states and 7643 transitions. [2024-11-10 14:46:01,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1069 places, 1310 transitions, 3919 flow [2024-11-10 14:46:01,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1067 places, 1310 transitions, 3913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:46:01,958 INFO L231 Difference]: Finished difference. Result has 1071 places, 1306 transitions, 3731 flow [2024-11-10 14:46:01,959 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3689, PETRI_DIFFERENCE_MINUEND_PLACES=1061, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1302, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3731, PETRI_PLACES=1071, PETRI_TRANSITIONS=1306} [2024-11-10 14:46:01,960 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -43 predicate places. [2024-11-10 14:46:01,960 INFO L471 AbstractCegarLoop]: Abstraction has has 1071 places, 1306 transitions, 3731 flow [2024-11-10 14:46:01,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:01,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:01,962 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 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] [2024-11-10 14:46:01,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 14:46:02,163 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 [2024-11-10 14:46:02,163 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)] === [2024-11-10 14:46:02,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash -326371649, now seen corresponding path program 2 times [2024-11-10 14:46:02,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:02,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987144389] [2024-11-10 14:46:02,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 14:46:02,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:02,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987144389] [2024-11-10 14:46:02,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987144389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:46:02,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571476211] [2024-11-10 14:46:02,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 14:46:02,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:46:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:46:02,411 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) [2024-11-10 14:46:02,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 14:46:02,808 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 14:46:02,808 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:46:02,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 14:46:02,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:46:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 14:46:02,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:46:03,055 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-10 14:46:03,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571476211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:46:03,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:46:03,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-10 14:46:03,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563997955] [2024-11-10 14:46:03,056 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:46:03,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 14:46:03,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:03,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 14:46:03,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-10 14:46:03,091 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1085 out of 1288 [2024-11-10 14:46:03,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1071 places, 1306 transitions, 3731 flow. Second operand has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:03,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:03,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1085 of 1288 [2024-11-10 14:46:03,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:05,964 INFO L124 PetriNetUnfolderBase]: 885/13403 cut-off events. [2024-11-10 14:46:05,965 INFO L125 PetriNetUnfolderBase]: For 740/833 co-relation queries the response was YES. [2024-11-10 14:46:05,991 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16143 conditions, 13403 events. 885/13403 cut-off events. For 740/833 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 112380 event pairs, 12 based on Foata normal form. 0/12576 useless extension candidates. Maximal degree in co-relation 16125. Up to 1096 conditions per place. [2024-11-10 14:46:06,003 INFO L140 encePairwiseOnDemand]: 1282/1288 looper letters, 100 selfloop transitions, 9 changer transitions 0/1320 dead transitions. [2024-11-10 14:46:06,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1079 places, 1320 transitions, 3985 flow [2024-11-10 14:46:06,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 14:46:06,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-10 14:46:06,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9820 transitions. [2024-11-10 14:46:06,017 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8471359558316081 [2024-11-10 14:46:06,017 INFO L175 Difference]: Start difference. First operand has 1071 places, 1306 transitions, 3731 flow. Second operand 9 states and 9820 transitions. [2024-11-10 14:46:06,017 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1079 places, 1320 transitions, 3985 flow [2024-11-10 14:46:06,026 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1078 places, 1320 transitions, 3979 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 14:46:06,168 INFO L231 Difference]: Finished difference. Result has 1081 places, 1313 transitions, 3781 flow [2024-11-10 14:46:06,170 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3725, PETRI_DIFFERENCE_MINUEND_PLACES=1070, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1306, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3781, PETRI_PLACES=1081, PETRI_TRANSITIONS=1313} [2024-11-10 14:46:06,170 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, -33 predicate places. [2024-11-10 14:46:06,170 INFO L471 AbstractCegarLoop]: Abstraction has has 1081 places, 1313 transitions, 3781 flow [2024-11-10 14:46:06,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1087.6666666666667) internal successors, (9789), 9 states have internal predecessors, (9789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:06,172 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:06,172 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 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, 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, 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] [2024-11-10 14:46:06,189 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 14:46:06,373 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 [2024-11-10 14:46:06,373 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)] === [2024-11-10 14:46:06,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:06,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1035574427, now seen corresponding path program 3 times [2024-11-10 14:46:06,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:06,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572393722] [2024-11-10 14:46:06,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:06,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:07,020 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 160 proven. 31 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-10 14:46:07,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:07,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572393722] [2024-11-10 14:46:07,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572393722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:46:07,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1153249265] [2024-11-10 14:46:07,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 14:46:07,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:46:07,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:46:07,022 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) [2024-11-10 14:46:07,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 14:46:10,784 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 14:46:10,784 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 14:46:10,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-10 14:46:10,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:46:11,867 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 183 proven. 54 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 14:46:11,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:46:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 233 proven. 4 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 14:46:13,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1153249265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 14:46:13,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 14:46:13,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 30, 24] total 55 [2024-11-10 14:46:13,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945901540] [2024-11-10 14:46:13,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 14:46:13,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-10 14:46:13,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:13,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-10 14:46:13,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=2751, Unknown=0, NotChecked=0, Total=2970 [2024-11-10 14:46:16,955 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1036 out of 1288 [2024-11-10 14:46:16,977 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1081 places, 1313 transitions, 3781 flow. Second operand has 55 states, 55 states have (on average 1040.5454545454545) internal successors, (57230), 55 states have internal predecessors, (57230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:16,977 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:16,977 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1036 of 1288 [2024-11-10 14:46:16,977 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:22,255 INFO L124 PetriNetUnfolderBase]: 882/13532 cut-off events. [2024-11-10 14:46:22,255 INFO L125 PetriNetUnfolderBase]: For 765/858 co-relation queries the response was YES. [2024-11-10 14:46:22,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16459 conditions, 13532 events. 882/13532 cut-off events. For 765/858 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 112948 event pairs, 12 based on Foata normal form. 0/12710 useless extension candidates. Maximal degree in co-relation 16438. Up to 1096 conditions per place. [2024-11-10 14:46:22,304 INFO L140 encePairwiseOnDemand]: 1249/1288 looper letters, 140 selfloop transitions, 85 changer transitions 0/1389 dead transitions. [2024-11-10 14:46:22,304 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1138 places, 1389 transitions, 4417 flow [2024-11-10 14:46:22,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-10 14:46:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2024-11-10 14:46:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60257 transitions. [2024-11-10 14:46:22,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8066100878132363 [2024-11-10 14:46:22,338 INFO L175 Difference]: Start difference. First operand has 1081 places, 1313 transitions, 3781 flow. Second operand 58 states and 60257 transitions. [2024-11-10 14:46:22,338 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1138 places, 1389 transitions, 4417 flow [2024-11-10 14:46:22,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1138 places, 1389 transitions, 4417 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:46:22,358 INFO L231 Difference]: Finished difference. Result has 1144 places, 1368 transitions, 4142 flow [2024-11-10 14:46:22,360 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1288, PETRI_DIFFERENCE_MINUEND_FLOW=3781, PETRI_DIFFERENCE_MINUEND_PLACES=1081, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1313, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=58, PETRI_FLOW=4142, PETRI_PLACES=1144, PETRI_TRANSITIONS=1368} [2024-11-10 14:46:22,360 INFO L277 CegarLoopForPetriNet]: 1114 programPoint places, 30 predicate places. [2024-11-10 14:46:22,360 INFO L471 AbstractCegarLoop]: Abstraction has has 1144 places, 1368 transitions, 4142 flow [2024-11-10 14:46:22,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1040.5454545454545) internal successors, (57230), 55 states have internal predecessors, (57230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:22,373 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:22,374 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 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, 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, 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] [2024-11-10 14:46:22,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 14:46:22,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-10 14:46:22,575 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-10 14:46:22,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:22,576 INFO L85 PathProgramCache]: Analyzing trace with hash 898034674, now seen corresponding path program 1 times [2024-11-10 14:46:22,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:22,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930232087] [2024-11-10 14:46:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:22,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:46:22,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:46:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:46:22,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:46:22,961 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:46:22,962 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 74 remaining) [2024-11-10 14:46:22,963 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2024-11-10 14:46:22,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2024-11-10 14:46:22,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2024-11-10 14:46:22,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2024-11-10 14:46:22,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2024-11-10 14:46:22,964 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2024-11-10 14:46:22,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2024-11-10 14:46:22,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (29 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (28 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2024-11-10 14:46:22,967 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2024-11-10 14:46:22,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2024-11-10 14:46:22,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2024-11-10 14:46:22,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2024-11-10 14:46:22,968 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2024-11-10 14:46:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2024-11-10 14:46:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2024-11-10 14:46:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2024-11-10 14:46:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2024-11-10 14:46:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2024-11-10 14:46:22,970 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2024-11-10 14:46:22,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2024-11-10 14:46:22,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:46:22,972 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:46:22,974 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:46:22,975 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 14:46:23,144 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:46:23,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1936 places, 2239 transitions, 4494 flow [2024-11-10 14:46:24,136 INFO L124 PetriNetUnfolderBase]: 350/2471 cut-off events. [2024-11-10 14:46:24,136 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:46:24,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2483 conditions, 2471 events. 350/2471 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 12151 event pairs, 0 based on Foata normal form. 0/2030 useless extension candidates. Maximal degree in co-relation 2043. Up to 12 conditions per place. [2024-11-10 14:46:24,305 INFO L82 GeneralOperation]: Start removeDead. Operand has 1936 places, 2239 transitions, 4494 flow [2024-11-10 14:46:24,372 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1936 places, 2239 transitions, 4494 flow [2024-11-10 14:46:24,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:46:24,373 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;@38630633, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:46:24,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 105 error locations. [2024-11-10 14:46:24,375 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:46:24,375 INFO L124 PetriNetUnfolderBase]: 0/43 cut-off events. [2024-11-10 14:46:24,375 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:46:24,375 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:24,375 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:46:24,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2024-11-10 14:46:24,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:24,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1103967350, now seen corresponding path program 1 times [2024-11-10 14:46:24,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:24,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281644494] [2024-11-10 14:46:24,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:24,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:24,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:24,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281644494] [2024-11-10 14:46:24,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281644494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:46:24,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:46:24,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:46:24,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077969784] [2024-11-10 14:46:24,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:46:24,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:46:24,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:24,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:46:24,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:46:24,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1902 out of 2239 [2024-11-10 14:46:24,495 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1936 places, 2239 transitions, 4494 flow. Second operand has 2 states, 2 states have (on average 1902.5) internal successors, (3805), 2 states have internal predecessors, (3805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:24,495 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:24,495 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1902 of 2239 [2024-11-10 14:46:24,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:30,422 INFO L124 PetriNetUnfolderBase]: 1209/22604 cut-off events. [2024-11-10 14:46:30,422 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES. [2024-11-10 14:46:30,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23936 conditions, 22604 events. 1209/22604 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 250115 event pairs, 343 based on Foata normal form. 11401/32177 useless extension candidates. Maximal degree in co-relation 4568. Up to 1212 conditions per place. [2024-11-10 14:46:30,780 INFO L140 encePairwiseOnDemand]: 1954/2239 looper letters, 52 selfloop transitions, 0 changer transitions 12/1893 dead transitions. [2024-11-10 14:46:30,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1838 places, 1893 transitions, 3906 flow [2024-11-10 14:46:30,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:46:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:46:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 4141 transitions. [2024-11-10 14:46:30,783 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9247431889236266 [2024-11-10 14:46:30,784 INFO L175 Difference]: Start difference. First operand has 1936 places, 2239 transitions, 4494 flow. Second operand 2 states and 4141 transitions. [2024-11-10 14:46:30,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1838 places, 1893 transitions, 3906 flow [2024-11-10 14:46:30,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1838 places, 1893 transitions, 3906 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:46:30,802 INFO L231 Difference]: Finished difference. Result has 1838 places, 1881 transitions, 3778 flow [2024-11-10 14:46:30,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2239, PETRI_DIFFERENCE_MINUEND_FLOW=3802, PETRI_DIFFERENCE_MINUEND_PLACES=1837, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1893, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1893, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=3778, PETRI_PLACES=1838, PETRI_TRANSITIONS=1881} [2024-11-10 14:46:30,804 INFO L277 CegarLoopForPetriNet]: 1936 programPoint places, -98 predicate places. [2024-11-10 14:46:30,804 INFO L471 AbstractCegarLoop]: Abstraction has has 1838 places, 1881 transitions, 3778 flow [2024-11-10 14:46:30,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1902.5) internal successors, (3805), 2 states have internal predecessors, (3805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:30,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:30,805 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:46:30,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:46:30,805 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2024-11-10 14:46:30,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:30,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1270012121, now seen corresponding path program 1 times [2024-11-10 14:46:30,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:30,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703975174] [2024-11-10 14:46:30,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:30,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:30,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:30,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703975174] [2024-11-10 14:46:30,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703975174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:46:30,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:46:30,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 14:46:30,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665485443] [2024-11-10 14:46:30,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:46:30,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:46:30,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:30,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:46:30,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:46:30,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1896 out of 2239 [2024-11-10 14:46:30,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1838 places, 1881 transitions, 3778 flow. Second operand has 3 states, 3 states have (on average 1898.3333333333333) internal successors, (5695), 3 states have internal predecessors, (5695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:30,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:30,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1896 of 2239 [2024-11-10 14:46:30,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:37,438 INFO L124 PetriNetUnfolderBase]: 1209/22611 cut-off events. [2024-11-10 14:46:37,439 INFO L125 PetriNetUnfolderBase]: For 271/271 co-relation queries the response was YES. [2024-11-10 14:46:37,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23952 conditions, 22611 events. 1209/22611 cut-off events. For 271/271 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 250114 event pairs, 343 based on Foata normal form. 1/20789 useless extension candidates. Maximal degree in co-relation 23947. Up to 1215 conditions per place. [2024-11-10 14:46:37,776 INFO L140 encePairwiseOnDemand]: 2236/2239 looper letters, 58 selfloop transitions, 2 changer transitions 0/1883 dead transitions. [2024-11-10 14:46:37,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1828 places, 1883 transitions, 3902 flow [2024-11-10 14:46:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:46:37,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:46:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5749 transitions. [2024-11-10 14:46:37,780 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8558880452582999 [2024-11-10 14:46:37,780 INFO L175 Difference]: Start difference. First operand has 1838 places, 1881 transitions, 3778 flow. Second operand 3 states and 5749 transitions. [2024-11-10 14:46:37,780 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1828 places, 1883 transitions, 3902 flow [2024-11-10 14:46:37,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1828 places, 1883 transitions, 3902 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:46:37,797 INFO L231 Difference]: Finished difference. Result has 1829 places, 1882 transitions, 3790 flow [2024-11-10 14:46:37,799 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2239, PETRI_DIFFERENCE_MINUEND_FLOW=3778, PETRI_DIFFERENCE_MINUEND_PLACES=1826, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1881, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1879, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3790, PETRI_PLACES=1829, PETRI_TRANSITIONS=1882} [2024-11-10 14:46:37,799 INFO L277 CegarLoopForPetriNet]: 1936 programPoint places, -107 predicate places. [2024-11-10 14:46:37,799 INFO L471 AbstractCegarLoop]: Abstraction has has 1829 places, 1882 transitions, 3790 flow [2024-11-10 14:46:37,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1898.3333333333333) internal successors, (5695), 3 states have internal predecessors, (5695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:37,800 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:37,801 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-10 14:46:37,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:46:37,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2024-11-10 14:46:37,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:37,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1198230193, now seen corresponding path program 1 times [2024-11-10 14:46:37,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:37,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199386897] [2024-11-10 14:46:37,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:37,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:37,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:37,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:37,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199386897] [2024-11-10 14:46:37,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199386897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:46:37,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936371044] [2024-11-10 14:46:37,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:37,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:46:37,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:46:37,881 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:46:37,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 14:46:38,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:38,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 14:46:38,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:46:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:38,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 14:46:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:46:38,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936371044] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-10 14:46:38,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-10 14:46:38,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 4] total 7 [2024-11-10 14:46:38,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320541692] [2024-11-10 14:46:38,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:46:38,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:46:38,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:38,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:46:38,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:46:38,125 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1895 out of 2239 [2024-11-10 14:46:38,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1829 places, 1882 transitions, 3790 flow. Second operand has 3 states, 3 states have (on average 1897.6666666666667) internal successors, (5693), 3 states have internal predecessors, (5693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:38,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:38,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1895 of 2239 [2024-11-10 14:46:38,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:46:44,789 INFO L124 PetriNetUnfolderBase]: 1209/22613 cut-off events. [2024-11-10 14:46:44,789 INFO L125 PetriNetUnfolderBase]: For 272/272 co-relation queries the response was YES. [2024-11-10 14:46:45,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23962 conditions, 22613 events. 1209/22613 cut-off events. For 272/272 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 249865 event pairs, 343 based on Foata normal form. 0/20790 useless extension candidates. Maximal degree in co-relation 23955. Up to 1215 conditions per place. [2024-11-10 14:46:45,130 INFO L140 encePairwiseOnDemand]: 2235/2239 looper letters, 57 selfloop transitions, 3 changer transitions 0/1883 dead transitions. [2024-11-10 14:46:45,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1831 places, 1883 transitions, 3912 flow [2024-11-10 14:46:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:46:45,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:46:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5746 transitions. [2024-11-10 14:46:45,134 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8554414172993896 [2024-11-10 14:46:45,134 INFO L175 Difference]: Start difference. First operand has 1829 places, 1882 transitions, 3790 flow. Second operand 3 states and 5746 transitions. [2024-11-10 14:46:45,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1831 places, 1883 transitions, 3912 flow [2024-11-10 14:46:45,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1830 places, 1883 transitions, 3910 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:46:45,151 INFO L231 Difference]: Finished difference. Result has 1832 places, 1883 transitions, 3806 flow [2024-11-10 14:46:45,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=2239, PETRI_DIFFERENCE_MINUEND_FLOW=3788, PETRI_DIFFERENCE_MINUEND_PLACES=1828, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1882, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1879, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3806, PETRI_PLACES=1832, PETRI_TRANSITIONS=1883} [2024-11-10 14:46:45,153 INFO L277 CegarLoopForPetriNet]: 1936 programPoint places, -104 predicate places. [2024-11-10 14:46:45,153 INFO L471 AbstractCegarLoop]: Abstraction has has 1832 places, 1883 transitions, 3806 flow [2024-11-10 14:46:45,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1897.6666666666667) internal successors, (5693), 3 states have internal predecessors, (5693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:45,154 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:46:45,154 INFO L204 CegarLoopForPetriNet]: trace histogram [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] [2024-11-10 14:46:45,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-10 14:46:45,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-10 14:46:45,356 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (and 102 more)] === [2024-11-10 14:46:45,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:46:45,356 INFO L85 PathProgramCache]: Analyzing trace with hash -28128453, now seen corresponding path program 1 times [2024-11-10 14:46:45,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:46:45,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142439869] [2024-11-10 14:46:45,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:45,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:46:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:45,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:46:45,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:46:45,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142439869] [2024-11-10 14:46:45,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142439869] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 14:46:45,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757699655] [2024-11-10 14:46:45,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:46:45,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 14:46:45,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:46:45,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 14:46:45,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 14:46:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:46:45,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-10 14:46:45,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 14:46:45,699 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 [2024-11-10 14:46:45,706 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 [2024-11-10 14:46:45,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:46:45,716 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 [2024-11-10 14:46:45,733 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-10 14:46:45,733 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 [2024-11-10 14:46:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:46:45,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 14:46:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757699655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:46:45,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 14:46:45,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-10 14:46:45,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873326233] [2024-11-10 14:46:45,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:46:45,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:46:45,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:46:45,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:46:45,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-10 14:46:46,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1803 out of 2239 [2024-11-10 14:46:46,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1832 places, 1883 transitions, 3806 flow. Second operand has 6 states, 6 states have (on average 1805.0) internal successors, (10830), 6 states have internal predecessors, (10830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 14:46:46,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:46:46,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1803 of 2239 [2024-11-10 14:46:46,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand