./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rec_spinlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rec_spinlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 11:20:16,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 11:20:16,282 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-17 11:20:16,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 11:20:16,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 11:20:16,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 11:20:16,308 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 11:20:16,308 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 11:20:16,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 11:20:16,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 11:20:16,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 11:20:16,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 11:20:16,310 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 11:20:16,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 11:20:16,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 11:20:16,310 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 11:20:16,311 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 11:20:16,312 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:20:16,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 11:20:16,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 11:20:16,313 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 11:20:16,313 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 11:20:16,313 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 11:20:16,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 11:20:16,313 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bccccdc690a2ab58d5a3c6589feeefb3ddb27ac03f283e5d86f588f822051f5 [2025-03-17 11:20:16,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 11:20:16,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 11:20:16,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 11:20:16,547 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 11:20:16,547 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 11:20:16,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_spinlock.i [2025-03-17 11:20:17,669 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de7064ecf/0f81c94940cc4c5096cd9e92a49cd302/FLAG0731d4c39 [2025-03-17 11:20:18,111 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 11:20:18,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_spinlock.i [2025-03-17 11:20:18,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de7064ecf/0f81c94940cc4c5096cd9e92a49cd302/FLAG0731d4c39 [2025-03-17 11:20:18,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de7064ecf/0f81c94940cc4c5096cd9e92a49cd302 [2025-03-17 11:20:18,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 11:20:18,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 11:20:18,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 11:20:18,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 11:20:18,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 11:20:18,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:20:18" (1/1) ... [2025-03-17 11:20:18,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636fda9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:18, skipping insertion in model container [2025-03-17 11:20:18,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 11:20:18" (1/1) ... [2025-03-17 11:20:18,326 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 11:20:20,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:20:20,607 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 11:20:20,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-03-17 11:20:20,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-03-17 11:20:20,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-03-17 11:20:20,676 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-03-17 11:20:20,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-03-17 11:20:20,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-03-17 11:20:20,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-03-17 11:20:20,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-03-17 11:20:20,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-03-17 11:20:20,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-03-17 11:20:20,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-03-17 11:20:20,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-03-17 11:20:20,679 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-03-17 11:20:20,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-03-17 11:20:20,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-03-17 11:20:20,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-03-17 11:20:20,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-03-17 11:20:20,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-03-17 11:20:20,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-03-17 11:20:20,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-03-17 11:20:20,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-03-17 11:20:20,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-03-17 11:20:20,682 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-03-17 11:20:20,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-03-17 11:20:20,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-03-17 11:20:20,683 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-03-17 11:20:20,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-03-17 11:20:20,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-03-17 11:20:20,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-03-17 11:20:20,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-03-17 11:20:20,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-03-17 11:20:20,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-03-17 11:20:20,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-03-17 11:20:20,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-03-17 11:20:20,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-03-17 11:20:20,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-03-17 11:20:20,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-03-17 11:20:20,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-03-17 11:20:20,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-03-17 11:20:20,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-03-17 11:20:20,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-03-17 11:20:20,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-03-17 11:20:20,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-03-17 11:20:20,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-03-17 11:20:20,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-03-17 11:20:20,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-03-17 11:20:20,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-03-17 11:20:20,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-03-17 11:20:20,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-03-17 11:20:20,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-03-17 11:20:20,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-03-17 11:20:20,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-03-17 11:20:20,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-03-17 11:20:20,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-03-17 11:20:20,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-03-17 11:20:20,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-03-17 11:20:20,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-03-17 11:20:20,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-03-17 11:20:20,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-03-17 11:20:20,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-03-17 11:20:20,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-03-17 11:20:20,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-03-17 11:20:20,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-03-17 11:20:20,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-03-17 11:20:20,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-03-17 11:20:20,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-03-17 11:20:20,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-03-17 11:20:20,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-03-17 11:20:20,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-03-17 11:20:20,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-03-17 11:20:20,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-03-17 11:20:20,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-03-17 11:20:20,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-03-17 11:20:20,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-03-17 11:20:20,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-03-17 11:20:20,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-03-17 11:20:20,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-03-17 11:20:20,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-03-17 11:20:20,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-03-17 11:20:20,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-03-17 11:20:20,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-03-17 11:20:20,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-03-17 11:20:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-03-17 11:20:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-03-17 11:20:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-03-17 11:20:20,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-03-17 11:20:20,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-03-17 11:20:20,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-03-17 11:20:20,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-03-17 11:20:20,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-03-17 11:20:20,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-03-17 11:20:20,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-03-17 11:20:20,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-03-17 11:20:20,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-03-17 11:20:20,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-03-17 11:20:20,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-03-17 11:20:20,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-03-17 11:20:20,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-03-17 11:20:20,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-03-17 11:20:20,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-03-17 11:20:20,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 11:20:21,021 INFO L204 MainTranslator]: Completed translation [2025-03-17 11:20:21,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21 WrapperNode [2025-03-17 11:20:21,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 11:20:21,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 11:20:21,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 11:20:21,024 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 11:20:21,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,162 INFO L138 Inliner]: procedures = 922, calls = 942, calls flagged for inlining = 832, calls inlined = 52, statements flattened = 601 [2025-03-17 11:20:21,163 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 11:20:21,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 11:20:21,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 11:20:21,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 11:20:21,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,191 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 11:20:21,219 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 11:20:21,219 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 11:20:21,219 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 11:20:21,219 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (1/1) ... [2025-03-17 11:20:21,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 11:20:21,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 11:20:21,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 11:20:21,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 11:20:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-17 11:20:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 11:20:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 11:20:21,274 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-17 11:20:21,404 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 11:20:21,406 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 11:20:21,609 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-17 11:20:21,610 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-17 11:20:22,094 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-17 11:20:22,095 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-10: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-17 11:20:22,095 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: havoc caslock_tryacquire_#t~ret802#1; [2025-03-17 11:20:22,095 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L1925: havoc vatomic32_cmpxchg_acq_#t~ret118#1; [2025-03-17 11:20:22,095 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2575: havoc vatomic32_await_eq_set_acq_#t~ret232#1; [2025-03-17 11:20:22,096 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-17 11:20:22,096 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 11:20:22,195 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 11:20:22,196 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 11:20:22,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:20:22 BoogieIcfgContainer [2025-03-17 11:20:22,196 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 11:20:22,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 11:20:22,198 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 11:20:22,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 11:20:22,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 11:20:18" (1/3) ... [2025-03-17 11:20:22,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68168285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:20:22, skipping insertion in model container [2025-03-17 11:20:22,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 11:20:21" (2/3) ... [2025-03-17 11:20:22,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68168285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 11:20:22, skipping insertion in model container [2025-03-17 11:20:22,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 11:20:22" (3/3) ... [2025-03-17 11:20:22,206 INFO L128 eAbstractionObserver]: Analyzing ICFG rec_spinlock.i [2025-03-17 11:20:22,217 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 11:20:22,218 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rec_spinlock.i that has 2 procedures, 587 locations, 1 initial locations, 23 loop locations, and 27 error locations. [2025-03-17 11:20:22,218 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-17 11:20:22,395 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-17 11:20:22,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 590 places, 683 transitions, 1373 flow [2025-03-17 11:20:22,651 INFO L124 PetriNetUnfolderBase]: 110/758 cut-off events. [2025-03-17 11:20:22,653 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-17 11:20:22,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 758 events. 110/758 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2617 event pairs, 0 based on Foata normal form. 0/613 useless extension candidates. Maximal degree in co-relation 643. Up to 8 conditions per place. [2025-03-17 11:20:22,672 INFO L82 GeneralOperation]: Start removeDead. Operand has 590 places, 683 transitions, 1373 flow [2025-03-17 11:20:22,688 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 590 places, 683 transitions, 1373 flow [2025-03-17 11:20:22,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:20:22,712 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;@e54a96f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:20:22,712 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-03-17 11:20:22,722 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:20:22,722 INFO L124 PetriNetUnfolderBase]: 12/60 cut-off events. [2025-03-17 11:20:22,722 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:20:22,723 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:22,724 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:22,725 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-17 11:20:22,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:22,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1706610465, now seen corresponding path program 1 times [2025-03-17 11:20:22,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:22,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394113523] [2025-03-17 11:20:22,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:22,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:22,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 11:20:22,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 11:20:22,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:22,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:20:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:20:22,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:20:22,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394113523] [2025-03-17 11:20:22,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394113523] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:20:22,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:20:22,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:20:22,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629159290] [2025-03-17 11:20:22,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:20:22,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:20:22,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:20:22,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:20:22,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:20:22,958 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 580 out of 683 [2025-03-17 11:20:22,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 590 places, 683 transitions, 1373 flow. Second operand has 2 states, 2 states have (on average 580.5) internal successors, (1161), 2 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:22,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:20:22,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 580 of 683 [2025-03-17 11:20:22,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:20:23,193 INFO L124 PetriNetUnfolderBase]: 15/640 cut-off events. [2025-03-17 11:20:23,193 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-17 11:20:23,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 657 conditions, 640 events. 15/640 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 2077 event pairs, 0 based on Foata normal form. 160/755 useless extension candidates. Maximal degree in co-relation 558. Up to 12 conditions per place. [2025-03-17 11:20:23,202 INFO L140 encePairwiseOnDemand]: 591/683 looper letters, 11 selfloop transitions, 0 changer transitions 0/583 dead transitions. [2025-03-17 11:20:23,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 572 places, 583 transitions, 1195 flow [2025-03-17 11:20:23,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:20:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-17 11:20:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1263 transitions. [2025-03-17 11:20:23,224 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.924597364568082 [2025-03-17 11:20:23,225 INFO L175 Difference]: Start difference. First operand has 590 places, 683 transitions, 1373 flow. Second operand 2 states and 1263 transitions. [2025-03-17 11:20:23,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 572 places, 583 transitions, 1195 flow [2025-03-17 11:20:23,234 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 572 places, 583 transitions, 1195 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:20:23,247 INFO L231 Difference]: Finished difference. Result has 572 places, 583 transitions, 1173 flow [2025-03-17 11:20:23,250 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=1173, PETRI_DIFFERENCE_MINUEND_PLACES=571, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=583, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1173, PETRI_PLACES=572, PETRI_TRANSITIONS=583} [2025-03-17 11:20:23,254 INFO L279 CegarLoopForPetriNet]: 590 programPoint places, -18 predicate places. [2025-03-17 11:20:23,254 INFO L471 AbstractCegarLoop]: Abstraction has has 572 places, 583 transitions, 1173 flow [2025-03-17 11:20:23,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 580.5) internal successors, (1161), 2 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:23,255 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:23,255 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:23,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 11:20:23,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-17 11:20:23,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:23,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1634688166, now seen corresponding path program 1 times [2025-03-17 11:20:23,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:23,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062779360] [2025-03-17 11:20:23,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:23,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:23,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 11:20:23,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 11:20:23,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:23,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:20:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:20:24,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:20:24,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062779360] [2025-03-17 11:20:24,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062779360] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:20:24,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:20:24,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:20:24,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450676927] [2025-03-17 11:20:24,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:20:24,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:20:24,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:20:24,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:20:24,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:20:24,532 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 533 out of 683 [2025-03-17 11:20:24,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 572 places, 583 transitions, 1173 flow. Second operand has 6 states, 6 states have (on average 534.5) internal successors, (3207), 6 states have internal predecessors, (3207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:24,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:20:24,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 533 of 683 [2025-03-17 11:20:24,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:20:26,124 INFO L124 PetriNetUnfolderBase]: 956/7506 cut-off events. [2025-03-17 11:20:26,125 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-17 11:20:26,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9165 conditions, 7506 events. 956/7506 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 80054 event pairs, 367 based on Foata normal form. 0/6820 useless extension candidates. Maximal degree in co-relation 9161. Up to 1419 conditions per place. [2025-03-17 11:20:26,162 INFO L140 encePairwiseOnDemand]: 639/683 looper letters, 57 selfloop transitions, 154 changer transitions 0/736 dead transitions. [2025-03-17 11:20:26,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 577 places, 736 transitions, 1901 flow [2025-03-17 11:20:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 11:20:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-17 11:20:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3410 transitions. [2025-03-17 11:20:26,176 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8321132259638848 [2025-03-17 11:20:26,176 INFO L175 Difference]: Start difference. First operand has 572 places, 583 transitions, 1173 flow. Second operand 6 states and 3410 transitions. [2025-03-17 11:20:26,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 577 places, 736 transitions, 1901 flow [2025-03-17 11:20:26,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 577 places, 736 transitions, 1901 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:20:26,197 INFO L231 Difference]: Finished difference. Result has 582 places, 736 transitions, 2181 flow [2025-03-17 11:20:26,199 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=1173, PETRI_DIFFERENCE_MINUEND_PLACES=572, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=583, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=540, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2181, PETRI_PLACES=582, PETRI_TRANSITIONS=736} [2025-03-17 11:20:26,199 INFO L279 CegarLoopForPetriNet]: 590 programPoint places, -8 predicate places. [2025-03-17 11:20:26,199 INFO L471 AbstractCegarLoop]: Abstraction has has 582 places, 736 transitions, 2181 flow [2025-03-17 11:20:26,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 534.5) internal successors, (3207), 6 states have internal predecessors, (3207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:26,202 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:26,202 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:26,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 11:20:26,202 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-17 11:20:26,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:26,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1458459739, now seen corresponding path program 1 times [2025-03-17 11:20:26,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:26,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915635083] [2025-03-17 11:20:26,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:26,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:26,214 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 11:20:26,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 11:20:26,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:26,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:20:26,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:20:26,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:20:26,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915635083] [2025-03-17 11:20:26,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915635083] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:20:26,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:20:26,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:20:26,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769758725] [2025-03-17 11:20:26,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:20:26,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:20:26,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:20:26,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:20:26,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:20:26,259 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 570 out of 683 [2025-03-17 11:20:26,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 582 places, 736 transitions, 2181 flow. Second operand has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:26,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:20:26,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 570 of 683 [2025-03-17 11:20:26,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:20:26,961 INFO L124 PetriNetUnfolderBase]: 583/6714 cut-off events. [2025-03-17 11:20:26,961 INFO L125 PetriNetUnfolderBase]: For 594/804 co-relation queries the response was YES. [2025-03-17 11:20:26,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8526 conditions, 6714 events. 583/6714 cut-off events. For 594/804 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 62263 event pairs, 45 based on Foata normal form. 15/6288 useless extension candidates. Maximal degree in co-relation 8517. Up to 693 conditions per place. [2025-03-17 11:20:27,003 INFO L140 encePairwiseOnDemand]: 674/683 looper letters, 64 selfloop transitions, 6 changer transitions 0/749 dead transitions. [2025-03-17 11:20:27,003 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 583 places, 749 transitions, 2365 flow [2025-03-17 11:20:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:20:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:20:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1747 transitions. [2025-03-17 11:20:27,007 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8526110297706199 [2025-03-17 11:20:27,007 INFO L175 Difference]: Start difference. First operand has 582 places, 736 transitions, 2181 flow. Second operand 3 states and 1747 transitions. [2025-03-17 11:20:27,007 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 583 places, 749 transitions, 2365 flow [2025-03-17 11:20:27,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 583 places, 749 transitions, 2365 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:20:27,020 INFO L231 Difference]: Finished difference. Result has 585 places, 740 transitions, 2227 flow [2025-03-17 11:20:27,021 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=2179, PETRI_DIFFERENCE_MINUEND_PLACES=581, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=735, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=729, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2227, PETRI_PLACES=585, PETRI_TRANSITIONS=740} [2025-03-17 11:20:27,022 INFO L279 CegarLoopForPetriNet]: 590 programPoint places, -5 predicate places. [2025-03-17 11:20:27,022 INFO L471 AbstractCegarLoop]: Abstraction has has 585 places, 740 transitions, 2227 flow [2025-03-17 11:20:27,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 570.6666666666666) internal successors, (1712), 3 states have internal predecessors, (1712), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:27,023 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:27,023 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:27,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 11:20:27,023 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-17 11:20:27,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1420501967, now seen corresponding path program 1 times [2025-03-17 11:20:27,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:27,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940971393] [2025-03-17 11:20:27,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:27,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:27,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 11:20:27,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 11:20:27,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:27,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:20:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:20:27,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:20:27,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940971393] [2025-03-17 11:20:27,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940971393] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:20:27,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:20:27,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:20:27,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872358665] [2025-03-17 11:20:27,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:20:27,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:20:27,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:20:27,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:20:27,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:20:27,067 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 573 out of 683 [2025-03-17 11:20:27,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 585 places, 740 transitions, 2227 flow. Second operand has 3 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:27,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:20:27,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 573 of 683 [2025-03-17 11:20:27,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:20:27,759 INFO L124 PetriNetUnfolderBase]: 641/8392 cut-off events. [2025-03-17 11:20:27,759 INFO L125 PetriNetUnfolderBase]: For 669/905 co-relation queries the response was YES. [2025-03-17 11:20:27,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10517 conditions, 8392 events. 641/8392 cut-off events. For 669/905 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 81327 event pairs, 32 based on Foata normal form. 39/7914 useless extension candidates. Maximal degree in co-relation 10506. Up to 821 conditions per place. [2025-03-17 11:20:27,799 INFO L140 encePairwiseOnDemand]: 677/683 looper letters, 61 selfloop transitions, 4 changer transitions 0/751 dead transitions. [2025-03-17 11:20:27,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 586 places, 751 transitions, 2397 flow [2025-03-17 11:20:27,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:20:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:20:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1750 transitions. [2025-03-17 11:20:27,803 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.854075158613958 [2025-03-17 11:20:27,803 INFO L175 Difference]: Start difference. First operand has 585 places, 740 transitions, 2227 flow. Second operand 3 states and 1750 transitions. [2025-03-17 11:20:27,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 586 places, 751 transitions, 2397 flow [2025-03-17 11:20:27,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 584 places, 751 transitions, 2385 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:20:27,816 INFO L231 Difference]: Finished difference. Result has 586 places, 742 transitions, 2243 flow [2025-03-17 11:20:27,817 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=2213, PETRI_DIFFERENCE_MINUEND_PLACES=582, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=739, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=735, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2243, PETRI_PLACES=586, PETRI_TRANSITIONS=742} [2025-03-17 11:20:27,817 INFO L279 CegarLoopForPetriNet]: 590 programPoint places, -4 predicate places. [2025-03-17 11:20:27,818 INFO L471 AbstractCegarLoop]: Abstraction has has 586 places, 742 transitions, 2243 flow [2025-03-17 11:20:27,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 573.6666666666666) internal successors, (1721), 3 states have internal predecessors, (1721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:27,819 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:27,819 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:27,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 11:20:27,820 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-17 11:20:27,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:27,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1134894379, now seen corresponding path program 1 times [2025-03-17 11:20:27,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:27,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278077295] [2025-03-17 11:20:27,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:27,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:27,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 11:20:27,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 11:20:27,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:27,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:20:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:20:27,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:20:27,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278077295] [2025-03-17 11:20:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278077295] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:20:27,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:20:27,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 11:20:27,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300682367] [2025-03-17 11:20:27,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:20:27,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 11:20:27,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:20:27,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 11:20:27,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 11:20:27,918 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 574 out of 683 [2025-03-17 11:20:27,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 586 places, 742 transitions, 2243 flow. Second operand has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:27,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:20:27,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 574 of 683 [2025-03-17 11:20:27,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:20:28,729 INFO L124 PetriNetUnfolderBase]: 663/9020 cut-off events. [2025-03-17 11:20:28,730 INFO L125 PetriNetUnfolderBase]: For 708/1094 co-relation queries the response was YES. [2025-03-17 11:20:28,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11273 conditions, 9020 events. 663/9020 cut-off events. For 708/1094 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 89472 event pairs, 51 based on Foata normal form. 18/8486 useless extension candidates. Maximal degree in co-relation 11261. Up to 874 conditions per place. [2025-03-17 11:20:28,760 INFO L140 encePairwiseOnDemand]: 680/683 looper letters, 62 selfloop transitions, 2 changer transitions 0/753 dead transitions. [2025-03-17 11:20:28,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 588 places, 753 transitions, 2419 flow [2025-03-17 11:20:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 11:20:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-17 11:20:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1749 transitions. [2025-03-17 11:20:28,764 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8535871156661786 [2025-03-17 11:20:28,764 INFO L175 Difference]: Start difference. First operand has 586 places, 742 transitions, 2243 flow. Second operand 3 states and 1749 transitions. [2025-03-17 11:20:28,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 588 places, 753 transitions, 2419 flow [2025-03-17 11:20:28,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 586 places, 753 transitions, 2411 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-17 11:20:28,778 INFO L231 Difference]: Finished difference. Result has 587 places, 742 transitions, 2243 flow [2025-03-17 11:20:28,779 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=683, PETRI_DIFFERENCE_MINUEND_FLOW=2235, PETRI_DIFFERENCE_MINUEND_PLACES=584, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=742, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=740, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2243, PETRI_PLACES=587, PETRI_TRANSITIONS=742} [2025-03-17 11:20:28,780 INFO L279 CegarLoopForPetriNet]: 590 programPoint places, -3 predicate places. [2025-03-17 11:20:28,780 INFO L471 AbstractCegarLoop]: Abstraction has has 587 places, 742 transitions, 2243 flow [2025-03-17 11:20:28,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 575.3333333333334) internal successors, (1726), 3 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:28,781 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:28,781 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:28,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 11:20:28,781 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2025-03-17 11:20:28,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:28,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1640029642, now seen corresponding path program 1 times [2025-03-17 11:20:28,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:28,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848948214] [2025-03-17 11:20:28,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:28,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:28,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 11:20:28,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 11:20:28,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:28,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 11:20:28,811 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-17 11:20:28,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 11:20:28,824 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 11:20:28,824 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:28,824 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-17 11:20:28,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-17 11:20:28,852 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-17 11:20:28,853 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (48 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (46 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (45 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (44 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (43 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (42 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (41 of 50 remaining) [2025-03-17 11:20:28,855 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (40 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (39 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (38 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (37 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (36 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (35 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (34 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (33 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (32 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (31 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (30 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (29 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (28 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (27 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (26 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (25 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (24 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (23 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (22 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONDATA_RACE (21 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONDATA_RACE (20 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONDATA_RACE (19 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21ASSERT_VIOLATIONDATA_RACE (18 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONDATA_RACE (17 of 50 remaining) [2025-03-17 11:20:28,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONDATA_RACE (16 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONDATA_RACE (15 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONDATA_RACE (14 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONDATA_RACE (13 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20ASSERT_VIOLATIONDATA_RACE (12 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONDATA_RACE (11 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONDATA_RACE (10 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19ASSERT_VIOLATIONDATA_RACE (9 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONDATA_RACE (8 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONDATA_RACE (7 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11ASSERT_VIOLATIONDATA_RACE (6 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONDATA_RACE (5 of 50 remaining) [2025-03-17 11:20:28,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18ASSERT_VIOLATIONDATA_RACE (4 of 50 remaining) [2025-03-17 11:20:28,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONDATA_RACE (3 of 50 remaining) [2025-03-17 11:20:28,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16ASSERT_VIOLATIONDATA_RACE (2 of 50 remaining) [2025-03-17 11:20:28,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15ASSERT_VIOLATIONDATA_RACE (1 of 50 remaining) [2025-03-17 11:20:28,858 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONDATA_RACE (0 of 50 remaining) [2025-03-17 11:20:28,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 11:20:28,858 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-17 11:20:28,861 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-17 11:20:28,861 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-17 11:20:29,040 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-17 11:20:29,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1080 places, 1247 transitions, 2510 flow [2025-03-17 11:20:29,456 INFO L124 PetriNetUnfolderBase]: 209/1460 cut-off events. [2025-03-17 11:20:29,456 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-17 11:20:29,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1472 conditions, 1460 events. 209/1460 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 7424 event pairs, 0 based on Foata normal form. 0/1184 useless extension candidates. Maximal degree in co-relation 1258. Up to 12 conditions per place. [2025-03-17 11:20:29,485 INFO L82 GeneralOperation]: Start removeDead. Operand has 1080 places, 1247 transitions, 2510 flow [2025-03-17 11:20:29,501 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1080 places, 1247 transitions, 2510 flow [2025-03-17 11:20:29,501 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 11:20:29,502 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;@e54a96f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 11:20:29,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2025-03-17 11:20:29,505 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-17 11:20:29,505 INFO L124 PetriNetUnfolderBase]: 12/60 cut-off events. [2025-03-17 11:20:29,505 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-17 11:20:29,505 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:29,505 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:29,505 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2025-03-17 11:20:29,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:29,506 INFO L85 PathProgramCache]: Analyzing trace with hash 190306270, now seen corresponding path program 1 times [2025-03-17 11:20:29,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:29,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558815815] [2025-03-17 11:20:29,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:29,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:29,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 11:20:29,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 11:20:29,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:29,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:20:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:20:29,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:20:29,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558815815] [2025-03-17 11:20:29,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558815815] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:20:29,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:20:29,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 11:20:29,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888614197] [2025-03-17 11:20:29,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:20:29,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 11:20:29,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:20:29,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 11:20:29,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 11:20:29,524 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 1247 [2025-03-17 11:20:29,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1080 places, 1247 transitions, 2510 flow. Second operand has 2 states, 2 states have (on average 1061.5) internal successors, (2123), 2 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:29,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:20:29,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 1247 [2025-03-17 11:20:29,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:20:30,772 INFO L124 PetriNetUnfolderBase]: 265/7023 cut-off events. [2025-03-17 11:20:30,773 INFO L125 PetriNetUnfolderBase]: For 107/107 co-relation queries the response was YES. [2025-03-17 11:20:30,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7321 conditions, 7023 events. 265/7023 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 68975 event pairs, 108 based on Foata normal form. 2181/8652 useless extension candidates. Maximal degree in co-relation 1188. Up to 241 conditions per place. [2025-03-17 11:20:30,840 INFO L140 encePairwiseOnDemand]: 1083/1247 looper letters, 22 selfloop transitions, 0 changer transitions 0/1071 dead transitions. [2025-03-17 11:20:30,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1047 places, 1071 transitions, 2202 flow [2025-03-17 11:20:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 11:20:30,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-17 11:20:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2308 transitions. [2025-03-17 11:20:30,845 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.92542101042502 [2025-03-17 11:20:30,845 INFO L175 Difference]: Start difference. First operand has 1080 places, 1247 transitions, 2510 flow. Second operand 2 states and 2308 transitions. [2025-03-17 11:20:30,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1047 places, 1071 transitions, 2202 flow [2025-03-17 11:20:30,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1047 places, 1071 transitions, 2202 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-17 11:20:30,856 INFO L231 Difference]: Finished difference. Result has 1047 places, 1071 transitions, 2158 flow [2025-03-17 11:20:30,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=1247, PETRI_DIFFERENCE_MINUEND_FLOW=2158, PETRI_DIFFERENCE_MINUEND_PLACES=1046, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1071, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1071, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2158, PETRI_PLACES=1047, PETRI_TRANSITIONS=1071} [2025-03-17 11:20:30,857 INFO L279 CegarLoopForPetriNet]: 1080 programPoint places, -33 predicate places. [2025-03-17 11:20:30,858 INFO L471 AbstractCegarLoop]: Abstraction has has 1047 places, 1071 transitions, 2158 flow [2025-03-17 11:20:30,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1061.5) internal successors, (2123), 2 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:30,859 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-17 11:20:30,859 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 11:20:30,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 11:20:30,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (and 69 more)] === [2025-03-17 11:20:30,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 11:20:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash 236200569, now seen corresponding path program 1 times [2025-03-17 11:20:30,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 11:20:30,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632122480] [2025-03-17 11:20:30,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 11:20:30,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 11:20:30,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 11:20:30,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 11:20:30,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 11:20:30,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 11:20:31,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 11:20:31,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 11:20:31,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632122480] [2025-03-17 11:20:31,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632122480] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 11:20:31,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 11:20:31,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 11:20:31,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092371355] [2025-03-17 11:20:31,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 11:20:31,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 11:20:31,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 11:20:31,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 11:20:31,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 11:20:31,916 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 986 out of 1247 [2025-03-17 11:20:31,921 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1047 places, 1071 transitions, 2158 flow. Second operand has 6 states, 6 states have (on average 987.5) internal successors, (5925), 6 states have internal predecessors, (5925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 11:20:31,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-17 11:20:31,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 986 of 1247 [2025-03-17 11:20:31,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-17 11:21:03,823 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3510] L3779-8-->L3779-1: Formula: (let ((.cse1 (+ 2 |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|)) (.cse3 (+ 3 |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|)) (.cse0 (select |v_#race_589| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|)) (.cse2 (+ |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11| 1))) (and (= (select .cse0 |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|) 0) (= (select .cse0 .cse1) 0) (= |v_#race_589| (store |v_#race_590| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11| (store (store (store (store (select |v_#race_590| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|) |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11| 0) .cse2 0) .cse1 0) .cse3 0))) (= 0 (select .cse0 .cse3)) (= |v_runThread1of2ForFork0_vatomic32_read_#t~mem432#1_5| (select (select |v_#memory_int_200| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|) |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|)) (= (select .cse0 .cse2) 0))) InVars {#race=|v_#race_590|, #memory_int=|v_#memory_int_200|, runThread1of2ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|, runThread1of2ForFork0_vatomic32_read_~a#1.base=|v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|} OutVars{#race=|v_#race_589|, #memory_int=|v_#memory_int_200|, runThread1of2ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|, runThread1of2ForFork0_vatomic32_read_~a#1.base=|v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|, runThread1of2ForFork0_vatomic32_read_#t~mem432#1=|v_runThread1of2ForFork0_vatomic32_read_#t~mem432#1_5|} AuxVars[] AssignedVars[#race, runThread1of2ForFork0_vatomic32_read_#t~mem432#1][205], [961#ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACEtrue, 1083#true, 1085#true, 470#L3779-1true, 1079#true, 63#L5409-26true, 1081#true]) [2025-03-17 11:21:03,823 INFO L294 olderBase$Statistics]: this new event has 226 ancestors and is cut-off event [2025-03-17 11:21:03,824 INFO L297 olderBase$Statistics]: existing Event has 158 ancestors and is cut-off event [2025-03-17 11:21:03,824 INFO L297 olderBase$Statistics]: existing Event has 206 ancestors and is cut-off event [2025-03-17 11:21:03,824 INFO L297 olderBase$Statistics]: existing Event has 222 ancestors and is cut-off event [2025-03-17 11:21:09,250 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([3510] L3779-8-->L3779-1: Formula: (let ((.cse1 (+ 2 |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|)) (.cse3 (+ 3 |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|)) (.cse0 (select |v_#race_589| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|)) (.cse2 (+ |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11| 1))) (and (= (select .cse0 |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|) 0) (= (select .cse0 .cse1) 0) (= |v_#race_589| (store |v_#race_590| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11| (store (store (store (store (select |v_#race_590| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|) |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11| 0) .cse2 0) .cse1 0) .cse3 0))) (= 0 (select .cse0 .cse3)) (= |v_runThread1of2ForFork0_vatomic32_read_#t~mem432#1_5| (select (select |v_#memory_int_200| |v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|) |v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|)) (= (select .cse0 .cse2) 0))) InVars {#race=|v_#race_590|, #memory_int=|v_#memory_int_200|, runThread1of2ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|, runThread1of2ForFork0_vatomic32_read_~a#1.base=|v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|} OutVars{#race=|v_#race_589|, #memory_int=|v_#memory_int_200|, runThread1of2ForFork0_vatomic32_read_~a#1.offset=|v_runThread1of2ForFork0_vatomic32_read_~a#1.offset_11|, runThread1of2ForFork0_vatomic32_read_~a#1.base=|v_runThread1of2ForFork0_vatomic32_read_~a#1.base_11|, runThread1of2ForFork0_vatomic32_read_#t~mem432#1=|v_runThread1of2ForFork0_vatomic32_read_#t~mem432#1_5|} AuxVars[] AssignedVars[#race, runThread1of2ForFork0_vatomic32_read_#t~mem432#1][205], [674#L5409-20true, 961#ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACEtrue, 1083#true, 1085#true, 470#L3779-1true, 1079#true, 1081#true]) [2025-03-17 11:21:09,250 INFO L294 olderBase$Statistics]: this new event has 240 ancestors and is cut-off event [2025-03-17 11:21:09,250 INFO L297 olderBase$Statistics]: existing Event has 211 ancestors and is cut-off event [2025-03-17 11:21:09,250 INFO L297 olderBase$Statistics]: existing Event has 163 ancestors and is cut-off event [2025-03-17 11:21:09,250 INFO L297 olderBase$Statistics]: existing Event has 227 ancestors and is cut-off event