./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/libvsync/twalock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/libvsync/twalock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd --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 a5c220663fb58aca5054c7d66f1914d7f3ea195b856e95063c15f81a2e5a7d9e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:55:29,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:55:29,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 15:55:29,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:55:29,451 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:55:29,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:55:29,490 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:55:29,490 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:55:29,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:55:29,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:55:29,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:55:29,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:55:29,493 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:55:29,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:55:29,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:55:29,494 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:55:29,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:55:29,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 15:55:29,495 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:55:29,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:55:29,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:55:29,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:55:29,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:55:29,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:55:29,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:55:29,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:55:29,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:55:29,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:55:29,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:55:29,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:55:29,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:55:29,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:55:29,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:55:29,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:55:29,499 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd 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 -> a5c220663fb58aca5054c7d66f1914d7f3ea195b856e95063c15f81a2e5a7d9e [2024-11-13 15:55:29,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:55:29,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:55:29,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:55:29,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:55:29,929 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:55:29,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/libvsync/twalock.i Unable to find full path for "g++" [2024-11-13 15:55:31,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:55:32,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:55:32,779 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/sv-benchmarks/c/libvsync/twalock.i [2024-11-13 15:55:32,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/data/0c90ac813/a3ffaf29da954cd797b7e850bb31daaa/FLAG0f0924aeb [2024-11-13 15:55:33,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/data/0c90ac813/a3ffaf29da954cd797b7e850bb31daaa [2024-11-13 15:55:33,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:55:33,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:55:33,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:55:33,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:55:33,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:55:33,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:55:33" (1/1) ... [2024-11-13 15:55:33,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a71217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:33, skipping insertion in model container [2024-11-13 15:55:33,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:55:33" (1/1) ... [2024-11-13 15:55:33,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:55:36,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:55:36,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:55:36,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-13 15:55:36,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-13 15:55:36,740 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-13 15:55:36,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-13 15:55:36,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-13 15:55:36,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-13 15:55:36,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-13 15:55:36,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-13 15:55:36,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-13 15:55:36,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-13 15:55:36,749 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-13 15:55:36,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-13 15:55:36,750 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-13 15:55:36,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-13 15:55:36,751 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-13 15:55:36,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-13 15:55:36,752 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-13 15:55:36,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-13 15:55:36,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-13 15:55:36,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-13 15:55:36,754 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-13 15:55:36,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-13 15:55:36,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-13 15:55:36,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-13 15:55:36,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-13 15:55:36,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-13 15:55:36,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-13 15:55:36,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-13 15:55:36,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-13 15:55:36,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-13 15:55:36,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-13 15:55:36,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-13 15:55:36,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-13 15:55:36,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-13 15:55:36,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-13 15:55:36,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-13 15:55:36,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-13 15:55:36,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-13 15:55:36,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-13 15:55:36,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-13 15:55:36,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-13 15:55:36,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-13 15:55:36,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-13 15:55:36,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-13 15:55:36,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-13 15:55:36,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-13 15:55:36,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-13 15:55:36,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-13 15:55:36,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-13 15:55:36,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-13 15:55:36,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-13 15:55:36,782 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-13 15:55:36,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-13 15:55:36,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-13 15:55:36,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-13 15:55:36,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-13 15:55:36,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-13 15:55:36,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-13 15:55:36,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-13 15:55:36,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-13 15:55:36,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-13 15:55:36,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-13 15:55:36,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-13 15:55:36,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-13 15:55:36,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-13 15:55:36,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-13 15:55:36,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-13 15:55:36,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-13 15:55:36,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-13 15:55:36,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-13 15:55:36,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-13 15:55:36,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-13 15:55:36,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-13 15:55:36,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-13 15:55:36,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-13 15:55:36,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-13 15:55:36,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-13 15:55:36,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-13 15:55:36,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-13 15:55:36,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-13 15:55:36,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-13 15:55:36,810 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-13 15:55:36,811 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-13 15:55:36,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-13 15:55:36,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-13 15:55:36,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-13 15:55:36,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-13 15:55:36,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-13 15:55:36,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-13 15:55:36,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-13 15:55:36,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-13 15:55:36,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-13 15:55:36,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-13 15:55:36,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-13 15:55:36,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-13 15:55:36,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-13 15:55:36,821 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-13 15:55:36,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-13 15:55:36,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-13 15:55:36,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-13 15:55:36,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:55:37,197 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:55:37,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37 WrapperNode [2024-11-13 15:55:37,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:55:37,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:55:37,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:55:37,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:55:37,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,415 INFO L138 Inliner]: procedures = 918, calls = 929, calls flagged for inlining = 830, calls inlined = 61, statements flattened = 639 [2024-11-13 15:55:37,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:55:37,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:55:37,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:55:37,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:55:37,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:55:37,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:55:37,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:55:37,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:55:37,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (1/1) ... [2024-11-13 15:55:37,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:55:37,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:37,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:55:37,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08742d94-c08d-4bbd-8010-c6d34e777299/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:55:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:55:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:55:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:55:37,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:55:37,613 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-13 15:55:37,614 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-13 15:55:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:55:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:55:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:55:37,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:55:37,617 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 15:55:37,858 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:55:37,861 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:55:39,237 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 15:55:39,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:55:39,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:55:39,532 INFO L316 CfgBuilder]: Removed 89 assume(true) statements. [2024-11-13 15:55:39,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:55:39 BoogieIcfgContainer [2024-11-13 15:55:39,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:55:39,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:55:39,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:55:39,546 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:55:39,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:55:33" (1/3) ... [2024-11-13 15:55:39,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a8faca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:55:39, skipping insertion in model container [2024-11-13 15:55:39,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:55:37" (2/3) ... [2024-11-13 15:55:39,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43a8faca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:55:39, skipping insertion in model container [2024-11-13 15:55:39,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:55:39" (3/3) ... [2024-11-13 15:55:39,550 INFO L112 eAbstractionObserver]: Analyzing ICFG twalock.i [2024-11-13 15:55:39,570 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:55:39,572 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG twalock.i that has 2 procedures, 644 locations, 1 initial locations, 49 loop locations, and 24 error locations. [2024-11-13 15:55:39,573 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 15:55:39,913 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 15:55:39,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 647 places, 751 transitions, 1509 flow [2024-11-13 15:55:40,542 INFO L124 PetriNetUnfolderBase]: 123/831 cut-off events. [2024-11-13 15:55:40,545 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 15:55:40,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 831 events. 123/831 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2290 event pairs, 0 based on Foata normal form. 0/676 useless extension candidates. Maximal degree in co-relation 711. Up to 6 conditions per place. [2024-11-13 15:55:40,571 INFO L82 GeneralOperation]: Start removeDead. Operand has 647 places, 751 transitions, 1509 flow [2024-11-13 15:55:40,592 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 647 places, 751 transitions, 1509 flow [2024-11-13 15:55:40,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:55:40,626 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;@5444531, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:55:40,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-13 15:55:40,641 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:55:40,641 INFO L124 PetriNetUnfolderBase]: 14/63 cut-off events. [2024-11-13 15:55:40,641 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:55:40,641 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:40,642 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] [2024-11-13 15:55:40,643 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 15:55:40,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1848779874, now seen corresponding path program 1 times [2024-11-13 15:55:40,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:40,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633835833] [2024-11-13 15:55:40,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:40,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:40,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:40,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633835833] [2024-11-13 15:55:40,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633835833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:40,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:40,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:40,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588837435] [2024-11-13 15:55:40,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:40,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:55:40,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:40,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:55:40,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:55:41,007 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 629 out of 751 [2024-11-13 15:55:41,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 751 transitions, 1509 flow. Second operand has 2 states, 2 states have (on average 629.5) internal successors, (1259), 2 states have internal predecessors, (1259), 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) [2024-11-13 15:55:41,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:55:41,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 629 of 751 [2024-11-13 15:55:41,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:55:41,404 INFO L124 PetriNetUnfolderBase]: 14/699 cut-off events. [2024-11-13 15:55:41,405 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-13 15:55:41,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 699 events. 14/699 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1845 event pairs, 0 based on Foata normal form. 274/938 useless extension candidates. Maximal degree in co-relation 617. Up to 15 conditions per place. [2024-11-13 15:55:41,415 INFO L140 encePairwiseOnDemand]: 643/751 looper letters, 14 selfloop transitions, 0 changer transitions 0/639 dead transitions. [2024-11-13 15:55:41,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 629 places, 639 transitions, 1313 flow [2024-11-13 15:55:41,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:55:41,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 15:55:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1380 transitions. [2024-11-13 15:55:41,448 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.918774966711052 [2024-11-13 15:55:41,453 INFO L175 Difference]: Start difference. First operand has 647 places, 751 transitions, 1509 flow. Second operand 2 states and 1380 transitions. [2024-11-13 15:55:41,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 629 places, 639 transitions, 1313 flow [2024-11-13 15:55:41,469 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 629 places, 639 transitions, 1313 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:55:41,487 INFO L231 Difference]: Finished difference. Result has 629 places, 639 transitions, 1285 flow [2024-11-13 15:55:41,490 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=751, PETRI_DIFFERENCE_MINUEND_FLOW=1285, PETRI_DIFFERENCE_MINUEND_PLACES=628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=639, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1285, PETRI_PLACES=629, PETRI_TRANSITIONS=639} [2024-11-13 15:55:41,496 INFO L277 CegarLoopForPetriNet]: 647 programPoint places, -18 predicate places. [2024-11-13 15:55:41,497 INFO L471 AbstractCegarLoop]: Abstraction has has 629 places, 639 transitions, 1285 flow [2024-11-13 15:55:41,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 629.5) internal successors, (1259), 2 states have internal predecessors, (1259), 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) [2024-11-13 15:55:41,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:41,498 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] [2024-11-13 15:55:41,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:55:41,499 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 15:55:41,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:41,501 INFO L85 PathProgramCache]: Analyzing trace with hash 15656378, now seen corresponding path program 1 times [2024-11-13 15:55:41,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:41,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465851494] [2024-11-13 15:55:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:41,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:43,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:43,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:43,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465851494] [2024-11-13 15:55:43,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465851494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:43,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:43,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:55:43,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366863645] [2024-11-13 15:55:43,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:43,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:55:43,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:43,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:55:43,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:55:43,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 610 out of 751 [2024-11-13 15:55:43,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 629 places, 639 transitions, 1285 flow. Second operand has 6 states, 6 states have (on average 611.5) internal successors, (3669), 6 states have internal predecessors, (3669), 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) [2024-11-13 15:55:43,518 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:55:43,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 610 of 751 [2024-11-13 15:55:43,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:55:45,057 INFO L124 PetriNetUnfolderBase]: 375/4988 cut-off events. [2024-11-13 15:55:45,057 INFO L125 PetriNetUnfolderBase]: For 6/19 co-relation queries the response was YES. [2024-11-13 15:55:45,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5582 conditions, 4988 events. 375/4988 cut-off events. For 6/19 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 45742 event pairs, 117 based on Foata normal form. 4/4603 useless extension candidates. Maximal degree in co-relation 5578. Up to 504 conditions per place. [2024-11-13 15:55:45,083 INFO L140 encePairwiseOnDemand]: 732/751 looper letters, 32 selfloop transitions, 54 changer transitions 0/692 dead transitions. [2024-11-13 15:55:45,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 634 places, 692 transitions, 1563 flow [2024-11-13 15:55:45,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:55:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:55:45,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3747 transitions. [2024-11-13 15:55:45,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8315579227696405 [2024-11-13 15:55:45,093 INFO L175 Difference]: Start difference. First operand has 629 places, 639 transitions, 1285 flow. Second operand 6 states and 3747 transitions. [2024-11-13 15:55:45,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 634 places, 692 transitions, 1563 flow [2024-11-13 15:55:45,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 634 places, 692 transitions, 1563 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:55:45,109 INFO L231 Difference]: Finished difference. Result has 639 places, 692 transitions, 1643 flow [2024-11-13 15:55:45,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=751, PETRI_DIFFERENCE_MINUEND_FLOW=1285, PETRI_DIFFERENCE_MINUEND_PLACES=629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=639, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=621, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1643, PETRI_PLACES=639, PETRI_TRANSITIONS=692} [2024-11-13 15:55:45,112 INFO L277 CegarLoopForPetriNet]: 647 programPoint places, -8 predicate places. [2024-11-13 15:55:45,112 INFO L471 AbstractCegarLoop]: Abstraction has has 639 places, 692 transitions, 1643 flow [2024-11-13 15:55:45,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 611.5) internal successors, (3669), 6 states have internal predecessors, (3669), 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) [2024-11-13 15:55:45,114 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:45,114 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:45,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:55:45,115 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 15:55:45,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:45,116 INFO L85 PathProgramCache]: Analyzing trace with hash 598068693, now seen corresponding path program 1 times [2024-11-13 15:55:45,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:45,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749037165] [2024-11-13 15:55:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:45,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:45,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:45,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:45,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749037165] [2024-11-13 15:55:45,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749037165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:45,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:45,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:45,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431483754] [2024-11-13 15:55:45,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:45,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:55:45,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:45,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:55:45,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:45,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 619 out of 751 [2024-11-13 15:55:45,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 639 places, 692 transitions, 1643 flow. Second operand has 3 states, 3 states have (on average 619.6666666666666) internal successors, (1859), 3 states have internal predecessors, (1859), 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) [2024-11-13 15:55:45,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:55:45,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 619 of 751 [2024-11-13 15:55:45,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:55:47,007 INFO L124 PetriNetUnfolderBase]: 411/7232 cut-off events. [2024-11-13 15:55:47,008 INFO L125 PetriNetUnfolderBase]: For 566/755 co-relation queries the response was YES. [2024-11-13 15:55:47,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8293 conditions, 7232 events. 411/7232 cut-off events. For 566/755 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 63687 event pairs, 66 based on Foata normal form. 16/6879 useless extension candidates. Maximal degree in co-relation 8284. Up to 303 conditions per place. [2024-11-13 15:55:47,069 INFO L140 encePairwiseOnDemand]: 742/751 looper letters, 82 selfloop transitions, 6 changer transitions 0/708 dead transitions. [2024-11-13 15:55:47,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 640 places, 708 transitions, 1875 flow [2024-11-13 15:55:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:55:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:55:47,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1900 transitions. [2024-11-13 15:55:47,078 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8433200177541056 [2024-11-13 15:55:47,078 INFO L175 Difference]: Start difference. First operand has 639 places, 692 transitions, 1643 flow. Second operand 3 states and 1900 transitions. [2024-11-13 15:55:47,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 640 places, 708 transitions, 1875 flow [2024-11-13 15:55:47,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 640 places, 708 transitions, 1875 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:55:47,105 INFO L231 Difference]: Finished difference. Result has 642 places, 696 transitions, 1689 flow [2024-11-13 15:55:47,106 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=751, PETRI_DIFFERENCE_MINUEND_FLOW=1641, PETRI_DIFFERENCE_MINUEND_PLACES=638, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=691, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=685, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1689, PETRI_PLACES=642, PETRI_TRANSITIONS=696} [2024-11-13 15:55:47,108 INFO L277 CegarLoopForPetriNet]: 647 programPoint places, -5 predicate places. [2024-11-13 15:55:47,108 INFO L471 AbstractCegarLoop]: Abstraction has has 642 places, 696 transitions, 1689 flow [2024-11-13 15:55:47,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 619.6666666666666) internal successors, (1859), 3 states have internal predecessors, (1859), 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) [2024-11-13 15:55:47,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:47,110 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] [2024-11-13 15:55:47,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 15:55:47,111 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 15:55:47,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:47,112 INFO L85 PathProgramCache]: Analyzing trace with hash -781539407, now seen corresponding path program 1 times [2024-11-13 15:55:47,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:47,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169192050] [2024-11-13 15:55:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:47,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:47,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169192050] [2024-11-13 15:55:47,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169192050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:47,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:47,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:47,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029202732] [2024-11-13 15:55:47,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:47,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:55:47,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:55:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:47,206 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 622 out of 751 [2024-11-13 15:55:47,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 642 places, 696 transitions, 1689 flow. Second operand has 3 states, 3 states have (on average 622.6666666666666) internal successors, (1868), 3 states have internal predecessors, (1868), 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) [2024-11-13 15:55:47,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:55:47,210 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 622 of 751 [2024-11-13 15:55:47,210 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:55:49,349 INFO L124 PetriNetUnfolderBase]: 489/9932 cut-off events. [2024-11-13 15:55:49,349 INFO L125 PetriNetUnfolderBase]: For 662/791 co-relation queries the response was YES. [2024-11-13 15:55:49,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11251 conditions, 9932 events. 489/9932 cut-off events. For 662/791 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 93897 event pairs, 58 based on Foata normal form. 16/9521 useless extension candidates. Maximal degree in co-relation 11240. Up to 349 conditions per place. [2024-11-13 15:55:49,417 INFO L140 encePairwiseOnDemand]: 745/751 looper letters, 79 selfloop transitions, 4 changer transitions 0/710 dead transitions. [2024-11-13 15:55:49,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 643 places, 710 transitions, 1907 flow [2024-11-13 15:55:49,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:55:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:55:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1903 transitions. [2024-11-13 15:55:49,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8446515756768753 [2024-11-13 15:55:49,424 INFO L175 Difference]: Start difference. First operand has 642 places, 696 transitions, 1689 flow. Second operand 3 states and 1903 transitions. [2024-11-13 15:55:49,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 643 places, 710 transitions, 1907 flow [2024-11-13 15:55:49,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 641 places, 710 transitions, 1895 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:55:49,445 INFO L231 Difference]: Finished difference. Result has 643 places, 698 transitions, 1705 flow [2024-11-13 15:55:49,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=751, PETRI_DIFFERENCE_MINUEND_FLOW=1675, PETRI_DIFFERENCE_MINUEND_PLACES=639, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1705, PETRI_PLACES=643, PETRI_TRANSITIONS=698} [2024-11-13 15:55:49,449 INFO L277 CegarLoopForPetriNet]: 647 programPoint places, -4 predicate places. [2024-11-13 15:55:49,449 INFO L471 AbstractCegarLoop]: Abstraction has has 643 places, 698 transitions, 1705 flow [2024-11-13 15:55:49,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 622.6666666666666) internal successors, (1868), 3 states have internal predecessors, (1868), 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) [2024-11-13 15:55:49,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:49,450 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] [2024-11-13 15:55:49,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 15:55:49,451 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 15:55:49,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:49,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1663933020, now seen corresponding path program 1 times [2024-11-13 15:55:49,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:49,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51500966] [2024-11-13 15:55:49,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:49,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:49,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:49,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51500966] [2024-11-13 15:55:49,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51500966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:49,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:49,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 15:55:49,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435251535] [2024-11-13 15:55:49,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:49,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:55:49,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:49,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:55:49,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:55:49,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 623 out of 751 [2024-11-13 15:55:49,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 643 places, 698 transitions, 1705 flow. Second operand has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-13 15:55:49,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:55:49,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 623 of 751 [2024-11-13 15:55:49,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:55:51,316 INFO L124 PetriNetUnfolderBase]: 434/9655 cut-off events. [2024-11-13 15:55:51,316 INFO L125 PetriNetUnfolderBase]: For 645/984 co-relation queries the response was YES. [2024-11-13 15:55:51,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10976 conditions, 9655 events. 434/9655 cut-off events. For 645/984 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 92275 event pairs, 72 based on Foata normal form. 10/9259 useless extension candidates. Maximal degree in co-relation 10964. Up to 417 conditions per place. [2024-11-13 15:55:51,377 INFO L140 encePairwiseOnDemand]: 748/751 looper letters, 81 selfloop transitions, 2 changer transitions 0/713 dead transitions. [2024-11-13 15:55:51,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 645 places, 713 transitions, 1937 flow [2024-11-13 15:55:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 15:55:51,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 15:55:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1902 transitions. [2024-11-13 15:55:51,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.844207723035952 [2024-11-13 15:55:51,383 INFO L175 Difference]: Start difference. First operand has 643 places, 698 transitions, 1705 flow. Second operand 3 states and 1902 transitions. [2024-11-13 15:55:51,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 645 places, 713 transitions, 1937 flow [2024-11-13 15:55:51,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 643 places, 713 transitions, 1929 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 15:55:51,401 INFO L231 Difference]: Finished difference. Result has 644 places, 698 transitions, 1705 flow [2024-11-13 15:55:51,403 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=751, PETRI_DIFFERENCE_MINUEND_FLOW=1697, PETRI_DIFFERENCE_MINUEND_PLACES=641, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1705, PETRI_PLACES=644, PETRI_TRANSITIONS=698} [2024-11-13 15:55:51,404 INFO L277 CegarLoopForPetriNet]: 647 programPoint places, -3 predicate places. [2024-11-13 15:55:51,404 INFO L471 AbstractCegarLoop]: Abstraction has has 644 places, 698 transitions, 1705 flow [2024-11-13 15:55:51,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 624.3333333333334) internal successors, (1873), 3 states have internal predecessors, (1873), 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) [2024-11-13 15:55:51,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:51,406 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] [2024-11-13 15:55:51,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 15:55:51,406 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-13 15:55:51,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:51,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1507958332, now seen corresponding path program 1 times [2024-11-13 15:55:51,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:51,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592004661] [2024-11-13 15:55:51,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:51,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:55:51,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:55:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:55:51,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:55:51,538 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:55:51,539 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 44 remaining) [2024-11-13 15:55:51,541 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 44 remaining) [2024-11-13 15:55:51,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (41 of 44 remaining) [2024-11-13 15:55:51,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 44 remaining) [2024-11-13 15:55:51,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 44 remaining) [2024-11-13 15:55:51,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 44 remaining) [2024-11-13 15:55:51,542 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (37 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (36 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (35 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (34 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (33 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (32 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (31 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (30 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (29 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (28 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (27 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (26 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (25 of 44 remaining) [2024-11-13 15:55:51,543 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (24 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (23 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (22 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (21 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (20 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (19 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (18 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (17 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (16 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (15 of 44 remaining) [2024-11-13 15:55:51,544 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (14 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (13 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (12 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (11 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (10 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (9 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (8 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (7 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (6 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (5 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (4 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (3 of 44 remaining) [2024-11-13 15:55:51,549 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (2 of 44 remaining) [2024-11-13 15:55:51,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (1 of 44 remaining) [2024-11-13 15:55:51,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (0 of 44 remaining) [2024-11-13 15:55:51,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 15:55:51,550 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-13 15:55:51,555 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 15:55:51,555 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 15:55:51,846 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 15:55:51,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1191 places, 1378 transitions, 2772 flow [2024-11-13 15:55:52,918 INFO L124 PetriNetUnfolderBase]: 234/1603 cut-off events. [2024-11-13 15:55:52,918 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 15:55:52,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 1603 events. 234/1603 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 6841 event pairs, 0 based on Foata normal form. 0/1308 useless extension candidates. Maximal degree in co-relation 1391. Up to 12 conditions per place. [2024-11-13 15:55:52,978 INFO L82 GeneralOperation]: Start removeDead. Operand has 1191 places, 1378 transitions, 2772 flow [2024-11-13 15:55:53,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1191 places, 1378 transitions, 2772 flow [2024-11-13 15:55:53,036 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:55:53,037 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;@5444531, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:55:53,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2024-11-13 15:55:53,043 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 15:55:53,043 INFO L124 PetriNetUnfolderBase]: 14/63 cut-off events. [2024-11-13 15:55:53,043 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 15:55:53,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:53,043 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] [2024-11-13 15:55:53,044 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2024-11-13 15:55:53,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1727568444, now seen corresponding path program 1 times [2024-11-13 15:55:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:53,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850425619] [2024-11-13 15:55:53,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:53,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:53,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850425619] [2024-11-13 15:55:53,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850425619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:53,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:53,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:55:53,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828145851] [2024-11-13 15:55:53,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:53,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:55:53,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:53,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:55:53,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:55:53,081 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1156 out of 1378 [2024-11-13 15:55:53,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1191 places, 1378 transitions, 2772 flow. Second operand has 2 states, 2 states have (on average 1156.5) internal successors, (2313), 2 states have internal predecessors, (2313), 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) [2024-11-13 15:55:53,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:55:53,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1156 of 1378 [2024-11-13 15:55:53,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:55:56,400 INFO L124 PetriNetUnfolderBase]: 365/9800 cut-off events. [2024-11-13 15:55:56,401 INFO L125 PetriNetUnfolderBase]: For 137/137 co-relation queries the response was YES. [2024-11-13 15:55:56,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10263 conditions, 9800 events. 365/9800 cut-off events. For 137/137 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 99012 event pairs, 180 based on Foata normal form. 4644/13881 useless extension candidates. Maximal degree in co-relation 1381. Up to 391 conditions per place. [2024-11-13 15:55:56,622 INFO L140 encePairwiseOnDemand]: 1184/1378 looper letters, 28 selfloop transitions, 0 changer transitions 0/1180 dead transitions. [2024-11-13 15:55:56,622 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1158 places, 1180 transitions, 2432 flow [2024-11-13 15:55:56,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:55:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-13 15:55:56,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2534 transitions. [2024-11-13 15:55:56,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9194484760522497 [2024-11-13 15:55:56,629 INFO L175 Difference]: Start difference. First operand has 1191 places, 1378 transitions, 2772 flow. Second operand 2 states and 2534 transitions. [2024-11-13 15:55:56,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1158 places, 1180 transitions, 2432 flow [2024-11-13 15:55:56,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1158 places, 1180 transitions, 2432 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:55:56,645 INFO L231 Difference]: Finished difference. Result has 1158 places, 1180 transitions, 2376 flow [2024-11-13 15:55:56,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1378, PETRI_DIFFERENCE_MINUEND_FLOW=2376, PETRI_DIFFERENCE_MINUEND_PLACES=1157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2376, PETRI_PLACES=1158, PETRI_TRANSITIONS=1180} [2024-11-13 15:55:56,648 INFO L277 CegarLoopForPetriNet]: 1191 programPoint places, -33 predicate places. [2024-11-13 15:55:56,648 INFO L471 AbstractCegarLoop]: Abstraction has has 1158 places, 1180 transitions, 2376 flow [2024-11-13 15:55:56,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1156.5) internal successors, (2313), 2 states have internal predecessors, (2313), 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) [2024-11-13 15:55:56,650 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:55:56,650 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] [2024-11-13 15:55:56,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 15:55:56,650 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2024-11-13 15:55:56,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:56,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1428680348, now seen corresponding path program 1 times [2024-11-13 15:55:56,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:56,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484840431] [2024-11-13 15:55:56,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:56,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:57,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:55:57,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:57,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484840431] [2024-11-13 15:55:57,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484840431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:57,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:55:57,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:55:57,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919434467] [2024-11-13 15:55:57,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:57,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:55:57,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:57,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:55:57,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:55:57,847 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1137 out of 1378 [2024-11-13 15:55:57,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1158 places, 1180 transitions, 2376 flow. Second operand has 6 states, 6 states have (on average 1138.5) internal successors, (6831), 6 states have internal predecessors, (6831), 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) [2024-11-13 15:55:57,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:55:57,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1137 of 1378 [2024-11-13 15:55:57,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 15:56:18,881 INFO L124 PetriNetUnfolderBase]: 10029/77806 cut-off events. [2024-11-13 15:56:18,882 INFO L125 PetriNetUnfolderBase]: For 386/579 co-relation queries the response was YES. [2024-11-13 15:56:19,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90796 conditions, 77806 events. 10029/77806 cut-off events. For 386/579 co-relation queries the response was YES. Maximal size of possible extension queue 956. Compared 1186628 event pairs, 4275 based on Foata normal form. 56/72064 useless extension candidates. Maximal degree in co-relation 90791. Up to 11744 conditions per place. [2024-11-13 15:56:20,250 INFO L140 encePairwiseOnDemand]: 1347/1378 looper letters, 47 selfloop transitions, 102 changer transitions 0/1282 dead transitions. [2024-11-13 15:56:20,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1163 places, 1282 transitions, 2883 flow [2024-11-13 15:56:20,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:56:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 15:56:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6972 transitions. [2024-11-13 15:56:20,267 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8432510885341074 [2024-11-13 15:56:20,267 INFO L175 Difference]: Start difference. First operand has 1158 places, 1180 transitions, 2376 flow. Second operand 6 states and 6972 transitions. [2024-11-13 15:56:20,267 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1163 places, 1282 transitions, 2883 flow [2024-11-13 15:56:20,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1163 places, 1282 transitions, 2883 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 15:56:20,288 INFO L231 Difference]: Finished difference. Result has 1168 places, 1281 transitions, 3046 flow [2024-11-13 15:56:20,290 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1378, PETRI_DIFFERENCE_MINUEND_FLOW=2376, PETRI_DIFFERENCE_MINUEND_PLACES=1158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3046, PETRI_PLACES=1168, PETRI_TRANSITIONS=1281} [2024-11-13 15:56:20,291 INFO L277 CegarLoopForPetriNet]: 1191 programPoint places, -23 predicate places. [2024-11-13 15:56:20,291 INFO L471 AbstractCegarLoop]: Abstraction has has 1168 places, 1281 transitions, 3046 flow [2024-11-13 15:56:20,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1138.5) internal successors, (6831), 6 states have internal predecessors, (6831), 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) [2024-11-13 15:56:20,295 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 15:56:20,296 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:56:20,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 15:56:20,296 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2024-11-13 15:56:20,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:20,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1218456405, now seen corresponding path program 1 times [2024-11-13 15:56:20,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:20,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853346226] [2024-11-13 15:56:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:20,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:56:20,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:20,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853346226] [2024-11-13 15:56:20,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853346226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:56:20,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:56:20,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:56:20,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691467893] [2024-11-13 15:56:20,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:56:20,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 15:56:20,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:56:20,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 15:56:20,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 15:56:20,363 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 1378 [2024-11-13 15:56:20,369 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1168 places, 1281 transitions, 3046 flow. Second operand has 3 states, 3 states have (on average 1142.6666666666667) internal successors, (3428), 3 states have internal predecessors, (3428), 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) [2024-11-13 15:56:20,369 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 15:56:20,369 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 1378 [2024-11-13 15:56:20,369 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand