./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_ticketlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rec_ticketlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 06:06:34,614 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 06:06:34,680 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 06:06:34,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 06:06:34,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 06:06:34,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 06:06:34,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 06:06:34,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 06:06:34,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 06:06:34,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 06:06:34,713 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 06:06:34,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 06:06:34,713 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 06:06:34,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 06:06:34,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 06:06:34,714 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 06:06:34,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 06:06:34,714 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 06:06:34,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 06:06:34,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 06:06:34,715 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 06:06:34,715 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 06:06:34,716 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 06:06:34,716 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 06:06:34,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 06:06:34,716 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 06:06:34,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 06:06:34,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 06:06:34,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 06:06:34,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 06:06:34,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 06:06:34,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:06:34,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 06:06:34,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 06:06:34,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 06:06:34,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 06:06:34,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 06:06:34,719 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 06:06:34,719 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 06:06:34,719 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 06:06:34,719 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 06:06:34,722 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef [2024-11-19 06:06:34,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 06:06:34,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 06:06:34,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 06:06:34,941 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 06:06:34,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 06:06:34,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_ticketlock.i [2024-11-19 06:06:36,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 06:06:36,563 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 06:06:36,564 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i [2024-11-19 06:06:36,607 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7948d0f70/5e945562228a460484248282ed5b53d6/FLAG7575a3545 [2024-11-19 06:06:36,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7948d0f70/5e945562228a460484248282ed5b53d6 [2024-11-19 06:06:36,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 06:06:36,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 06:06:36,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 06:06:36,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 06:06:36,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 06:06:36,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:06:36" (1/1) ... [2024-11-19 06:06:36,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360f72cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:36, skipping insertion in model container [2024-11-19 06:06:36,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:06:36" (1/1) ... [2024-11-19 06:06:36,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 06:06:38,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:06:38,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 06:06:38,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-19 06:06:38,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-19 06:06:38,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-19 06:06:38,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-19 06:06:38,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-19 06:06:38,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-19 06:06:38,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-19 06:06:38,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-19 06:06:38,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-19 06:06:38,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-19 06:06:38,578 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-19 06:06:38,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-19 06:06:38,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-19 06:06:38,582 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-19 06:06:38,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-19 06:06:38,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-19 06:06:38,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-19 06:06:38,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-19 06:06:38,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-19 06:06:38,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-19 06:06:38,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-19 06:06:38,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-19 06:06:38,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-19 06:06:38,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-19 06:06:38,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-19 06:06:38,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-19 06:06:38,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-19 06:06:38,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-19 06:06:38,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-19 06:06:38,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-19 06:06:38,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-19 06:06:38,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-19 06:06:38,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-19 06:06:38,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-19 06:06:38,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-19 06:06:38,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-19 06:06:38,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-19 06:06:38,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-19 06:06:38,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-19 06:06:38,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-19 06:06:38,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-19 06:06:38,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-19 06:06:38,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-19 06:06:38,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-19 06:06:38,633 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-19 06:06:38,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-19 06:06:38,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-19 06:06:38,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-19 06:06:38,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-19 06:06:38,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-19 06:06:38,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-19 06:06:38,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-19 06:06:38,641 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-19 06:06:38,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-19 06:06:38,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-19 06:06:38,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-19 06:06:38,644 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-19 06:06:38,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-19 06:06:38,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-19 06:06:38,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-19 06:06:38,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-19 06:06:38,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-19 06:06:38,648 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-19 06:06:38,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-19 06:06:38,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-19 06:06:38,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-19 06:06:38,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-19 06:06:38,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-19 06:06:38,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-19 06:06:38,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-19 06:06:38,652 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-19 06:06:38,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-19 06:06:38,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-19 06:06:38,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-19 06:06:38,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-19 06:06:38,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-19 06:06:38,655 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-19 06:06:38,656 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-19 06:06:38,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-19 06:06:38,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-19 06:06:38,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-19 06:06:38,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-19 06:06:38,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-19 06:06:38,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-19 06:06:38,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-19 06:06:38,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-19 06:06:38,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-19 06:06:38,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-19 06:06:38,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-19 06:06:38,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-19 06:06:38,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-19 06:06:38,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-19 06:06:38,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-19 06:06:38,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-19 06:06:38,664 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-19 06:06:38,665 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-19 06:06:38,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-19 06:06:38,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-19 06:06:38,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-19 06:06:38,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-19 06:06:38,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 06:06:38,976 INFO L204 MainTranslator]: Completed translation [2024-11-19 06:06:38,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38 WrapperNode [2024-11-19 06:06:38,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 06:06:38,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 06:06:38,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 06:06:38,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 06:06:38,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,146 INFO L138 Inliner]: procedures = 923, calls = 949, calls flagged for inlining = 838, calls inlined = 57, statements flattened = 686 [2024-11-19 06:06:39,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 06:06:39,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 06:06:39,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 06:06:39,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 06:06:39,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 06:06:39,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 06:06:39,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 06:06:39,231 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 06:06:39,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (1/1) ... [2024-11-19 06:06:39,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 06:06:39,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 06:06:39,260 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) [2024-11-19 06:06:39,262 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 [2024-11-19 06:06:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 06:06:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 06:06:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 06:06:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 06:06:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-19 06:06:39,295 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-19 06:06:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 06:06:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 06:06:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 06:06:39,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 06:06:39,297 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 06:06:39,440 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 06:06:39,442 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 06:06:40,154 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 06:06:40,154 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 06:06:40,315 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 06:06:40,318 INFO L316 CfgBuilder]: Removed 77 assume(true) statements. [2024-11-19 06:06:40,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:06:40 BoogieIcfgContainer [2024-11-19 06:06:40,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 06:06:40,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 06:06:40,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 06:06:40,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 06:06:40,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:06:36" (1/3) ... [2024-11-19 06:06:40,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776ec042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:06:40, skipping insertion in model container [2024-11-19 06:06:40,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:06:38" (2/3) ... [2024-11-19 06:06:40,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776ec042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:06:40, skipping insertion in model container [2024-11-19 06:06:40,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:06:40" (3/3) ... [2024-11-19 06:06:40,326 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2024-11-19 06:06:40,340 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 06:06:40,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-19 06:06:40,341 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 06:06:40,500 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-19 06:06:40,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 662 places, 758 transitions, 1523 flow [2024-11-19 06:06:40,822 INFO L124 PetriNetUnfolderBase]: 115/838 cut-off events. [2024-11-19 06:06:40,822 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-19 06:06:40,840 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 838 events. 115/838 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2746 event pairs, 0 based on Foata normal form. 0/686 useless extension candidates. Maximal degree in co-relation 714. Up to 6 conditions per place. [2024-11-19 06:06:40,840 INFO L82 GeneralOperation]: Start removeDead. Operand has 662 places, 758 transitions, 1523 flow [2024-11-19 06:06:40,857 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 662 places, 758 transitions, 1523 flow [2024-11-19 06:06:40,869 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:06:40,876 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;@364de8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:06:40,877 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-19 06:06:40,884 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:06:40,884 INFO L124 PetriNetUnfolderBase]: 14/67 cut-off events. [2024-11-19 06:06:40,884 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:06:40,884 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:40,885 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] [2024-11-19 06:06:40,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-19 06:06:40,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:40,890 INFO L85 PathProgramCache]: Analyzing trace with hash -584898800, now seen corresponding path program 1 times [2024-11-19 06:06:40,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:40,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116991544] [2024-11-19 06:06:40,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:41,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:41,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116991544] [2024-11-19 06:06:41,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116991544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:41,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:41,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:06:41,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26686935] [2024-11-19 06:06:41,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:41,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 06:06:41,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:41,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 06:06:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 06:06:41,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 647 out of 758 [2024-11-19 06:06:41,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 662 places, 758 transitions, 1523 flow. Second operand has 2 states, 2 states have (on average 647.5) internal successors, (1295), 2 states have internal predecessors, (1295), 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) [2024-11-19 06:06:41,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:41,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 647 of 758 [2024-11-19 06:06:41,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:41,464 INFO L124 PetriNetUnfolderBase]: 14/712 cut-off events. [2024-11-19 06:06:41,464 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 06:06:41,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 731 conditions, 712 events. 14/712 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2286 event pairs, 0 based on Foata normal form. 254/922 useless extension candidates. Maximal degree in co-relation 625. Up to 14 conditions per place. [2024-11-19 06:06:41,472 INFO L140 encePairwiseOnDemand]: 660/758 looper letters, 13 selfloop transitions, 0 changer transitions 0/652 dead transitions. [2024-11-19 06:06:41,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 642 places, 652 transitions, 1337 flow [2024-11-19 06:06:41,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 06:06:41,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 06:06:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1405 transitions. [2024-11-19 06:06:41,494 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9267810026385225 [2024-11-19 06:06:41,496 INFO L175 Difference]: Start difference. First operand has 662 places, 758 transitions, 1523 flow. Second operand 2 states and 1405 transitions. [2024-11-19 06:06:41,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 642 places, 652 transitions, 1337 flow [2024-11-19 06:06:41,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 642 places, 652 transitions, 1337 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:06:41,516 INFO L231 Difference]: Finished difference. Result has 642 places, 652 transitions, 1311 flow [2024-11-19 06:06:41,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=652, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1311, PETRI_PLACES=642, PETRI_TRANSITIONS=652} [2024-11-19 06:06:41,524 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -20 predicate places. [2024-11-19 06:06:41,525 INFO L471 AbstractCegarLoop]: Abstraction has has 642 places, 652 transitions, 1311 flow [2024-11-19 06:06:41,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 647.5) internal successors, (1295), 2 states have internal predecessors, (1295), 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) [2024-11-19 06:06:41,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:41,526 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] [2024-11-19 06:06:41,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 06:06:41,526 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-19 06:06:41,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:41,528 INFO L85 PathProgramCache]: Analyzing trace with hash 178101308, now seen corresponding path program 1 times [2024-11-19 06:06:41,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:41,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506604055] [2024-11-19 06:06:41,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:42,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:42,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:42,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506604055] [2024-11-19 06:06:42,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506604055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:42,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:42,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:06:42,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374411671] [2024-11-19 06:06:42,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:42,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:06:42,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:42,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:06:42,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:06:42,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 600 out of 758 [2024-11-19 06:06:42,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 652 transitions, 1311 flow. Second operand has 6 states, 6 states have (on average 601.5) internal successors, (3609), 6 states have internal predecessors, (3609), 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) [2024-11-19 06:06:42,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:42,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 600 of 758 [2024-11-19 06:06:42,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:43,970 INFO L124 PetriNetUnfolderBase]: 997/8235 cut-off events. [2024-11-19 06:06:43,970 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-19 06:06:43,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9991 conditions, 8235 events. 997/8235 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 88201 event pairs, 351 based on Foata normal form. 0/7537 useless extension candidates. Maximal degree in co-relation 9987. Up to 1504 conditions per place. [2024-11-19 06:06:44,002 INFO L140 encePairwiseOnDemand]: 712/758 looper letters, 59 selfloop transitions, 162 changer transitions 0/813 dead transitions. [2024-11-19 06:06:44,002 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 647 places, 813 transitions, 2075 flow [2024-11-19 06:06:44,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 06:06:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 06:06:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3822 transitions. [2024-11-19 06:06:44,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8403693931398417 [2024-11-19 06:06:44,008 INFO L175 Difference]: Start difference. First operand has 642 places, 652 transitions, 1311 flow. Second operand 6 states and 3822 transitions. [2024-11-19 06:06:44,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 647 places, 813 transitions, 2075 flow [2024-11-19 06:06:44,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 813 transitions, 2075 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:06:44,021 INFO L231 Difference]: Finished difference. Result has 652 places, 813 transitions, 2371 flow [2024-11-19 06:06:44,022 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=1311, PETRI_DIFFERENCE_MINUEND_PLACES=642, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=607, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2371, PETRI_PLACES=652, PETRI_TRANSITIONS=813} [2024-11-19 06:06:44,023 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -10 predicate places. [2024-11-19 06:06:44,023 INFO L471 AbstractCegarLoop]: Abstraction has has 652 places, 813 transitions, 2371 flow [2024-11-19 06:06:44,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 601.5) internal successors, (3609), 6 states have internal predecessors, (3609), 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) [2024-11-19 06:06:44,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:44,025 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] [2024-11-19 06:06:44,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 06:06:44,025 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-19 06:06:44,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:44,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1767086734, now seen corresponding path program 1 times [2024-11-19 06:06:44,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:44,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295250036] [2024-11-19 06:06:44,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:44,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:44,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:44,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295250036] [2024-11-19 06:06:44,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295250036] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:44,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:44,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:06:44,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503729367] [2024-11-19 06:06:44,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:44,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:06:44,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:44,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:06:44,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:06:44,059 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 637 out of 758 [2024-11-19 06:06:44,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 652 places, 813 transitions, 2371 flow. Second operand has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 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) [2024-11-19 06:06:44,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:44,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 637 of 758 [2024-11-19 06:06:44,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:44,783 INFO L124 PetriNetUnfolderBase]: 576/7176 cut-off events. [2024-11-19 06:06:44,783 INFO L125 PetriNetUnfolderBase]: For 619/880 co-relation queries the response was YES. [2024-11-19 06:06:44,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9094 conditions, 7176 events. 576/7176 cut-off events. For 619/880 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 67857 event pairs, 28 based on Foata normal form. 47/6788 useless extension candidates. Maximal degree in co-relation 9085. Up to 721 conditions per place. [2024-11-19 06:06:44,813 INFO L140 encePairwiseOnDemand]: 749/758 looper letters, 76 selfloop transitions, 6 changer transitions 0/828 dead transitions. [2024-11-19 06:06:44,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 828 transitions, 2587 flow [2024-11-19 06:06:44,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:06:44,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:06:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1952 transitions. [2024-11-19 06:06:44,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8583992963940194 [2024-11-19 06:06:44,817 INFO L175 Difference]: Start difference. First operand has 652 places, 813 transitions, 2371 flow. Second operand 3 states and 1952 transitions. [2024-11-19 06:06:44,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 828 transitions, 2587 flow [2024-11-19 06:06:44,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 653 places, 828 transitions, 2587 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:06:44,874 INFO L231 Difference]: Finished difference. Result has 655 places, 817 transitions, 2417 flow [2024-11-19 06:06:44,875 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=2369, PETRI_DIFFERENCE_MINUEND_PLACES=651, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=812, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=806, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2417, PETRI_PLACES=655, PETRI_TRANSITIONS=817} [2024-11-19 06:06:44,876 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -7 predicate places. [2024-11-19 06:06:44,876 INFO L471 AbstractCegarLoop]: Abstraction has has 655 places, 817 transitions, 2417 flow [2024-11-19 06:06:44,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 637.6666666666666) internal successors, (1913), 3 states have internal predecessors, (1913), 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) [2024-11-19 06:06:44,877 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:44,877 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] [2024-11-19 06:06:44,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 06:06:44,877 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-19 06:06:44,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:44,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1658204252, now seen corresponding path program 1 times [2024-11-19 06:06:44,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:44,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918730752] [2024-11-19 06:06:44,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:44,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:44,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:44,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918730752] [2024-11-19 06:06:44,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918730752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:44,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:44,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:06:44,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167382771] [2024-11-19 06:06:44,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:44,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:06:44,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:44,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:06:44,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:06:44,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 640 out of 758 [2024-11-19 06:06:44,923 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 655 places, 817 transitions, 2417 flow. Second operand has 3 states, 3 states have (on average 640.6666666666666) internal successors, (1922), 3 states have internal predecessors, (1922), 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) [2024-11-19 06:06:44,923 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:44,923 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 640 of 758 [2024-11-19 06:06:44,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:46,056 INFO L124 PetriNetUnfolderBase]: 659/10094 cut-off events. [2024-11-19 06:06:46,056 INFO L125 PetriNetUnfolderBase]: For 708/819 co-relation queries the response was YES. [2024-11-19 06:06:46,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12403 conditions, 10094 events. 659/10094 cut-off events. For 708/819 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 101716 event pairs, 48 based on Foata normal form. 15/9560 useless extension candidates. Maximal degree in co-relation 12392. Up to 907 conditions per place. [2024-11-19 06:06:46,099 INFO L140 encePairwiseOnDemand]: 752/758 looper letters, 73 selfloop transitions, 4 changer transitions 0/830 dead transitions. [2024-11-19 06:06:46,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 656 places, 830 transitions, 2619 flow [2024-11-19 06:06:46,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:06:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:06:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1955 transitions. [2024-11-19 06:06:46,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8597185576077396 [2024-11-19 06:06:46,103 INFO L175 Difference]: Start difference. First operand has 655 places, 817 transitions, 2417 flow. Second operand 3 states and 1955 transitions. [2024-11-19 06:06:46,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 656 places, 830 transitions, 2619 flow [2024-11-19 06:06:46,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 654 places, 830 transitions, 2607 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:06:46,118 INFO L231 Difference]: Finished difference. Result has 656 places, 819 transitions, 2433 flow [2024-11-19 06:06:46,119 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=2403, PETRI_DIFFERENCE_MINUEND_PLACES=652, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=816, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=812, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2433, PETRI_PLACES=656, PETRI_TRANSITIONS=819} [2024-11-19 06:06:46,119 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -6 predicate places. [2024-11-19 06:06:46,120 INFO L471 AbstractCegarLoop]: Abstraction has has 656 places, 819 transitions, 2433 flow [2024-11-19 06:06:46,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 640.6666666666666) internal successors, (1922), 3 states have internal predecessors, (1922), 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) [2024-11-19 06:06:46,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:46,121 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] [2024-11-19 06:06:46,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 06:06:46,121 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-19 06:06:46,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:46,122 INFO L85 PathProgramCache]: Analyzing trace with hash -897407020, now seen corresponding path program 1 times [2024-11-19 06:06:46,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:46,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138941721] [2024-11-19 06:06:46,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:46,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:46,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:46,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:46,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138941721] [2024-11-19 06:06:46,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138941721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:46,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:46,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 06:06:46,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187643526] [2024-11-19 06:06:46,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:46,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 06:06:46,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:46,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 06:06:46,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 06:06:46,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 641 out of 758 [2024-11-19 06:06:46,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 656 places, 819 transitions, 2433 flow. Second operand has 3 states, 3 states have (on average 642.3333333333334) internal successors, (1927), 3 states have internal predecessors, (1927), 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) [2024-11-19 06:06:46,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:46,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 641 of 758 [2024-11-19 06:06:46,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:47,093 INFO L124 PetriNetUnfolderBase]: 630/9685 cut-off events. [2024-11-19 06:06:47,093 INFO L125 PetriNetUnfolderBase]: For 700/979 co-relation queries the response was YES. [2024-11-19 06:06:47,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11991 conditions, 9685 events. 630/9685 cut-off events. For 700/979 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 97449 event pairs, 34 based on Foata normal form. 50/9215 useless extension candidates. Maximal degree in co-relation 11979. Up to 880 conditions per place. [2024-11-19 06:06:47,132 INFO L140 encePairwiseOnDemand]: 755/758 looper letters, 74 selfloop transitions, 2 changer transitions 0/832 dead transitions. [2024-11-19 06:06:47,134 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 658 places, 832 transitions, 2641 flow [2024-11-19 06:06:47,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 06:06:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 06:06:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1954 transitions. [2024-11-19 06:06:47,138 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8592788038698329 [2024-11-19 06:06:47,138 INFO L175 Difference]: Start difference. First operand has 656 places, 819 transitions, 2433 flow. Second operand 3 states and 1954 transitions. [2024-11-19 06:06:47,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 658 places, 832 transitions, 2641 flow [2024-11-19 06:06:47,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 656 places, 832 transitions, 2633 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 06:06:47,152 INFO L231 Difference]: Finished difference. Result has 657 places, 819 transitions, 2433 flow [2024-11-19 06:06:47,153 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=758, PETRI_DIFFERENCE_MINUEND_FLOW=2425, PETRI_DIFFERENCE_MINUEND_PLACES=654, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=819, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=817, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2433, PETRI_PLACES=657, PETRI_TRANSITIONS=819} [2024-11-19 06:06:47,154 INFO L277 CegarLoopForPetriNet]: 662 programPoint places, -5 predicate places. [2024-11-19 06:06:47,154 INFO L471 AbstractCegarLoop]: Abstraction has has 657 places, 819 transitions, 2433 flow [2024-11-19 06:06:47,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 642.3333333333334) internal successors, (1927), 3 states have internal predecessors, (1927), 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) [2024-11-19 06:06:47,155 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:47,155 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 06:06:47,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 06:06:47,155 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 51 more)] === [2024-11-19 06:06:47,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:47,156 INFO L85 PathProgramCache]: Analyzing trace with hash -184725943, now seen corresponding path program 1 times [2024-11-19 06:06:47,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:47,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238606773] [2024-11-19 06:06:47,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:47,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:06:47,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 06:06:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 06:06:47,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 06:06:47,215 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 06:06:47,216 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 54 remaining) [2024-11-19 06:06:47,217 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-19 06:06:47,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-19 06:06:47,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-19 06:06:47,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-19 06:06:47,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-19 06:06:47,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-19 06:06:47,218 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-19 06:06:47,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-19 06:06:47,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-19 06:06:47,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-19 06:06:47,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-19 06:06:47,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-19 06:06:47,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-19 06:06:47,219 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-19 06:06:47,220 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-19 06:06:47,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-19 06:06:47,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-19 06:06:47,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-19 06:06:47,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-19 06:06:47,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-19 06:06:47,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-19 06:06:47,221 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (24 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (23 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-19 06:06:47,222 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-19 06:06:47,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-19 06:06:47,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-19 06:06:47,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-19 06:06:47,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-19 06:06:47,223 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-19 06:06:47,226 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-19 06:06:47,226 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-19 06:06:47,226 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-19 06:06:47,226 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-19 06:06:47,226 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-19 06:06:47,226 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-19 06:06:47,227 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-19 06:06:47,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 06:06:47,228 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-19 06:06:47,233 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-19 06:06:47,233 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-19 06:06:47,376 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 06:06:47,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1217 places, 1388 transitions, 2792 flow [2024-11-19 06:06:48,039 INFO L124 PetriNetUnfolderBase]: 218/1613 cut-off events. [2024-11-19 06:06:48,040 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-19 06:06:48,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1625 conditions, 1613 events. 218/1613 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 7942 event pairs, 0 based on Foata normal form. 0/1324 useless extension candidates. Maximal degree in co-relation 1397. Up to 12 conditions per place. [2024-11-19 06:06:48,123 INFO L82 GeneralOperation]: Start removeDead. Operand has 1217 places, 1388 transitions, 2792 flow [2024-11-19 06:06:48,164 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1217 places, 1388 transitions, 2792 flow [2024-11-19 06:06:48,165 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 06:06:48,165 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;@364de8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 06:06:48,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 78 error locations. [2024-11-19 06:06:48,170 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 06:06:48,170 INFO L124 PetriNetUnfolderBase]: 14/67 cut-off events. [2024-11-19 06:06:48,170 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 06:06:48,170 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:48,170 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] [2024-11-19 06:06:48,171 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-19 06:06:48,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:48,171 INFO L85 PathProgramCache]: Analyzing trace with hash -59262596, now seen corresponding path program 1 times [2024-11-19 06:06:48,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:48,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114551782] [2024-11-19 06:06:48,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:48,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:48,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114551782] [2024-11-19 06:06:48,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114551782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:48,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:48,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 06:06:48,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239504245] [2024-11-19 06:06:48,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:48,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 06:06:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:48,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 06:06:48,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 06:06:48,193 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1188 out of 1388 [2024-11-19 06:06:48,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1217 places, 1388 transitions, 2792 flow. Second operand has 2 states, 2 states have (on average 1188.5) internal successors, (2377), 2 states have internal predecessors, (2377), 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) [2024-11-19 06:06:48,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:48,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1188 of 1388 [2024-11-19 06:06:48,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 06:06:50,027 INFO L124 PetriNetUnfolderBase]: 326/9206 cut-off events. [2024-11-19 06:06:50,028 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-19 06:06:50,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9610 conditions, 9206 events. 326/9206 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 96870 event pairs, 154 based on Foata normal form. 3984/12548 useless extension candidates. Maximal degree in co-relation 1377. Up to 337 conditions per place. [2024-11-19 06:06:50,223 INFO L140 encePairwiseOnDemand]: 1214/1388 looper letters, 26 selfloop transitions, 0 changer transitions 0/1202 dead transitions. [2024-11-19 06:06:50,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1180 places, 1202 transitions, 2472 flow [2024-11-19 06:06:50,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 06:06:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 06:06:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2576 transitions. [2024-11-19 06:06:50,228 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9279538904899135 [2024-11-19 06:06:50,228 INFO L175 Difference]: Start difference. First operand has 1217 places, 1388 transitions, 2792 flow. Second operand 2 states and 2576 transitions. [2024-11-19 06:06:50,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1180 places, 1202 transitions, 2472 flow [2024-11-19 06:06:50,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1180 places, 1202 transitions, 2472 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 06:06:50,242 INFO L231 Difference]: Finished difference. Result has 1180 places, 1202 transitions, 2420 flow [2024-11-19 06:06:50,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1388, PETRI_DIFFERENCE_MINUEND_FLOW=2420, PETRI_DIFFERENCE_MINUEND_PLACES=1179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2420, PETRI_PLACES=1180, PETRI_TRANSITIONS=1202} [2024-11-19 06:06:50,244 INFO L277 CegarLoopForPetriNet]: 1217 programPoint places, -37 predicate places. [2024-11-19 06:06:50,244 INFO L471 AbstractCegarLoop]: Abstraction has has 1180 places, 1202 transitions, 2420 flow [2024-11-19 06:06:50,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1188.5) internal successors, (2377), 2 states have internal predecessors, (2377), 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) [2024-11-19 06:06:50,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 06:06:50,246 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] [2024-11-19 06:06:50,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 06:06:50,246 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-19 06:06:50,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 06:06:50,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1909920680, now seen corresponding path program 1 times [2024-11-19 06:06:50,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 06:06:50,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106608529] [2024-11-19 06:06:50,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 06:06:50,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 06:06:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 06:06:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 06:06:50,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 06:06:50,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106608529] [2024-11-19 06:06:50,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106608529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 06:06:50,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 06:06:50,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 06:06:50,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26294465] [2024-11-19 06:06:50,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 06:06:50,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 06:06:50,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 06:06:50,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 06:06:50,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 06:06:51,156 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1113 out of 1388 [2024-11-19 06:06:51,162 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1180 places, 1202 transitions, 2420 flow. Second operand has 6 states, 6 states have (on average 1114.5) internal successors, (6687), 6 states have internal predecessors, (6687), 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) [2024-11-19 06:06:51,162 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 06:06:51,162 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1113 of 1388 [2024-11-19 06:06:51,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand