./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/libvsync/rwlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/rwlock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:40:13,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:40:13,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:40:13,833 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:40:13,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:40:13,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:40:13,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:40:13,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:40:13,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:40:13,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:40:13,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:40:13,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:40:13,860 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:40:13,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:40:13,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:40:13,861 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:40:13,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:40:13,861 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:40:13,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:40:13,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:40:13,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:40:13,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:40:13,862 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:40:13,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:40:13,862 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:40:13,863 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:13,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:40:13,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:13,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:40:13,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:40:13,864 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:40:13,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:40:13,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:40:13,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:40:13,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:40:13,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:40:13,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:40:13,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:40:13,865 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-jdk21/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 -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 [2025-01-09 21:40:14,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:40:14,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:40:14,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:40:14,083 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:40:14,083 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:40:14,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rwlock.i [2025-01-09 21:40:15,223 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fad09e3c/2fc38effa6ef41cab2ca202a90014953/FLAGdb0aac042 [2025-01-09 21:40:15,683 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:40:15,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/rwlock.i [2025-01-09 21:40:15,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fad09e3c/2fc38effa6ef41cab2ca202a90014953/FLAGdb0aac042 [2025-01-09 21:40:15,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8fad09e3c/2fc38effa6ef41cab2ca202a90014953 [2025-01-09 21:40:15,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:40:15,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:40:15,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:40:15,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:40:15,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:40:15,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:40:15" (1/1) ... [2025-01-09 21:40:15,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769e832c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:15, skipping insertion in model container [2025-01-09 21:40:15,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:40:15" (1/1) ... [2025-01-09 21:40:15,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:40:17,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:17,271 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:40:17,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-01-09 21:40:17,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-01-09 21:40:17,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-01-09 21:40:17,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-01-09 21:40:17,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-01-09 21:40:17,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-01-09 21:40:17,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-01-09 21:40:17,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-01-09 21:40:17,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-01-09 21:40:17,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-01-09 21:40:17,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-01-09 21:40:17,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-01-09 21:40:17,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-01-09 21:40:17,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-01-09 21:40:17,369 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-01-09 21:40:17,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-01-09 21:40:17,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-01-09 21:40:17,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-01-09 21:40:17,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-01-09 21:40:17,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-01-09 21:40:17,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-01-09 21:40:17,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-01-09 21:40:17,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-01-09 21:40:17,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-01-09 21:40:17,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-01-09 21:40:17,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-01-09 21:40:17,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-01-09 21:40:17,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-01-09 21:40:17,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-01-09 21:40:17,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-01-09 21:40:17,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-01-09 21:40:17,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-01-09 21:40:17,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-01-09 21:40:17,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-01-09 21:40:17,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-01-09 21:40:17,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-01-09 21:40:17,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-01-09 21:40:17,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-01-09 21:40:17,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-01-09 21:40:17,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-01-09 21:40:17,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-01-09 21:40:17,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-01-09 21:40:17,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-01-09 21:40:17,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-01-09 21:40:17,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-01-09 21:40:17,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-01-09 21:40:17,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-01-09 21:40:17,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-01-09 21:40:17,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-01-09 21:40:17,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-01-09 21:40:17,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-01-09 21:40:17,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-01-09 21:40:17,381 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-01-09 21:40:17,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-01-09 21:40:17,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-01-09 21:40:17,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-01-09 21:40:17,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-01-09 21:40:17,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-01-09 21:40:17,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-01-09 21:40:17,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-01-09 21:40:17,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-01-09 21:40:17,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-01-09 21:40:17,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-01-09 21:40:17,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-01-09 21:40:17,385 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-01-09 21:40:17,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-01-09 21:40:17,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-01-09 21:40:17,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-01-09 21:40:17,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-01-09 21:40:17,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-01-09 21:40:17,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-01-09 21:40:17,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-01-09 21:40:17,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-01-09 21:40:17,388 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-01-09 21:40:17,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-01-09 21:40:17,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-01-09 21:40:17,389 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-01-09 21:40:17,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-01-09 21:40:17,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-01-09 21:40:17,390 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-01-09 21:40:17,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-01-09 21:40:17,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-01-09 21:40:17,391 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-01-09 21:40:17,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-01-09 21:40:17,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-01-09 21:40:17,392 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-01-09 21:40:17,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-01-09 21:40:17,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-01-09 21:40:17,393 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-01-09 21:40:17,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-01-09 21:40:17,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-01-09 21:40:17,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-01-09 21:40:17,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-01-09 21:40:17,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-01-09 21:40:17,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-01-09 21:40:17,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-01-09 21:40:17,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-01-09 21:40:17,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-01-09 21:40:17,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-01-09 21:40:17,397 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-01-09 21:40:17,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:40:17,634 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:40:17,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17 WrapperNode [2025-01-09 21:40:17,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:40:17,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:17,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:40:17,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:40:17,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,753 INFO L138 Inliner]: procedures = 930, calls = 943, calls flagged for inlining = 835, calls inlined = 70, statements flattened = 789 [2025-01-09 21:40:17,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:40:17,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:40:17,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:40:17,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:40:17,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:40:17,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:40:17,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:40:17,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:40:17,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (1/1) ... [2025-01-09 21:40:17,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:40:17,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:40:17,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:40:17,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:40:17,899 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2025-01-09 21:40:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:40:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2025-01-09 21:40:17,900 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2025-01-09 21:40:17,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:40:17,902 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:40:18,029 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:40:18,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:40:18,798 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:40:18,798 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:40:18,985 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:40:18,988 INFO L312 CfgBuilder]: Removed 65 assume(true) statements. [2025-01-09 21:40:18,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:18 BoogieIcfgContainer [2025-01-09 21:40:18,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:40:18,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:40:18,992 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:40:18,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:40:18,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:40:15" (1/3) ... [2025-01-09 21:40:18,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68800ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:18, skipping insertion in model container [2025-01-09 21:40:18,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:40:17" (2/3) ... [2025-01-09 21:40:18,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68800ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:40:18, skipping insertion in model container [2025-01-09 21:40:18,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:40:18" (3/3) ... [2025-01-09 21:40:18,997 INFO L128 eAbstractionObserver]: Analyzing ICFG rwlock.i [2025-01-09 21:40:19,007 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:40:19,009 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rwlock.i that has 3 procedures, 785 locations, 1 initial locations, 70 loop locations, and 31 error locations. [2025-01-09 21:40:19,009 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:40:19,211 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-09 21:40:19,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 791 places, 930 transitions, 1874 flow [2025-01-09 21:40:19,697 INFO L124 PetriNetUnfolderBase]: 253/1557 cut-off events. [2025-01-09 21:40:19,699 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-01-09 21:40:19,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1570 conditions, 1557 events. 253/1557 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6778 event pairs, 0 based on Foata normal form. 0/1241 useless extension candidates. Maximal degree in co-relation 973. Up to 12 conditions per place. [2025-01-09 21:40:19,748 INFO L82 GeneralOperation]: Start removeDead. Operand has 791 places, 930 transitions, 1874 flow [2025-01-09 21:40:19,771 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 791 places, 930 transitions, 1874 flow [2025-01-09 21:40:19,776 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:19,783 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;@1f6c5fe9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:19,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2025-01-09 21:40:19,789 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:19,789 INFO L124 PetriNetUnfolderBase]: 12/65 cut-off events. [2025-01-09 21:40:19,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:19,789 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:19,794 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] [2025-01-09 21:40:19,794 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2025-01-09 21:40:19,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:19,798 INFO L85 PathProgramCache]: Analyzing trace with hash 472436081, now seen corresponding path program 1 times [2025-01-09 21:40:19,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:19,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112163158] [2025-01-09 21:40:19,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:19,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:19,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-09 21:40:19,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-09 21:40:19,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:19,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:19,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:19,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:19,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112163158] [2025-01-09 21:40:19,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112163158] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:19,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:19,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:19,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515866874] [2025-01-09 21:40:19,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:19,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:19,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:19,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:19,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:19,978 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 768 out of 930 [2025-01-09 21:40:19,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 791 places, 930 transitions, 1874 flow. Second operand has 2 states, 2 states have (on average 768.5) internal successors, (1537), 2 states have internal predecessors, (1537), 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) [2025-01-09 21:40:19,984 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:19,984 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 768 of 930 [2025-01-09 21:40:19,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:21,024 INFO L124 PetriNetUnfolderBase]: 121/4288 cut-off events. [2025-01-09 21:40:21,025 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2025-01-09 21:40:21,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4464 conditions, 4288 events. 121/4288 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 27385 event pairs, 54 based on Foata normal form. 1706/5708 useless extension candidates. Maximal degree in co-relation 3735. Up to 135 conditions per place. [2025-01-09 21:40:21,070 INFO L140 encePairwiseOnDemand]: 784/930 looper letters, 16 selfloop transitions, 0 changer transitions 0/778 dead transitions. [2025-01-09 21:40:21,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 769 places, 778 transitions, 1602 flow [2025-01-09 21:40:21,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 21:40:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-01-09 21:40:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1698 transitions. [2025-01-09 21:40:21,082 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9129032258064517 [2025-01-09 21:40:21,083 INFO L175 Difference]: Start difference. First operand has 791 places, 930 transitions, 1874 flow. Second operand 2 states and 1698 transitions. [2025-01-09 21:40:21,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 769 places, 778 transitions, 1602 flow [2025-01-09 21:40:21,089 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 769 places, 778 transitions, 1602 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:21,096 INFO L231 Difference]: Finished difference. Result has 769 places, 778 transitions, 1570 flow [2025-01-09 21:40:21,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=930, PETRI_DIFFERENCE_MINUEND_FLOW=1570, PETRI_DIFFERENCE_MINUEND_PLACES=768, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=778, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1570, PETRI_PLACES=769, PETRI_TRANSITIONS=778} [2025-01-09 21:40:21,100 INFO L279 CegarLoopForPetriNet]: 791 programPoint places, -22 predicate places. [2025-01-09 21:40:21,100 INFO L471 AbstractCegarLoop]: Abstraction has has 769 places, 778 transitions, 1570 flow [2025-01-09 21:40:21,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 768.5) internal successors, (1537), 2 states have internal predecessors, (1537), 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) [2025-01-09 21:40:21,101 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:21,101 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] [2025-01-09 21:40:21,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:40:21,102 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2025-01-09 21:40:21,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash 537103201, now seen corresponding path program 1 times [2025-01-09 21:40:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:21,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430716698] [2025-01-09 21:40:21,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:21,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:21,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-09 21:40:21,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-09 21:40:21,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:21,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:21,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:21,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:21,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430716698] [2025-01-09 21:40:21,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430716698] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:21,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:21,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:40:21,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500217908] [2025-01-09 21:40:21,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:21,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:40:21,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:21,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:40:21,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:40:22,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 737 out of 930 [2025-01-09 21:40:22,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 769 places, 778 transitions, 1570 flow. Second operand has 6 states, 6 states have (on average 738.5) internal successors, (4431), 6 states have internal predecessors, (4431), 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) [2025-01-09 21:40:22,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:22,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 737 of 930 [2025-01-09 21:40:22,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:27,713 INFO L124 PetriNetUnfolderBase]: 2804/29627 cut-off events. [2025-01-09 21:40:27,713 INFO L125 PetriNetUnfolderBase]: For 89/89 co-relation queries the response was YES. [2025-01-09 21:40:27,866 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33619 conditions, 29627 events. 2804/29627 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 363489 event pairs, 2069 based on Foata normal form. 0/27978 useless extension candidates. Maximal degree in co-relation 33614. Up to 3827 conditions per place. [2025-01-09 21:40:27,946 INFO L140 encePairwiseOnDemand]: 908/930 looper letters, 46 selfloop transitions, 66 changer transitions 0/843 dead transitions. [2025-01-09 21:40:27,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 774 places, 843 transitions, 1924 flow [2025-01-09 21:40:27,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:40:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:40:27,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 4535 transitions. [2025-01-09 21:40:27,957 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8127240143369175 [2025-01-09 21:40:27,959 INFO L175 Difference]: Start difference. First operand has 769 places, 778 transitions, 1570 flow. Second operand 6 states and 4535 transitions. [2025-01-09 21:40:27,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 774 places, 843 transitions, 1924 flow [2025-01-09 21:40:27,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 774 places, 843 transitions, 1924 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:27,974 INFO L231 Difference]: Finished difference. Result has 779 places, 843 transitions, 2006 flow [2025-01-09 21:40:27,975 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=930, PETRI_DIFFERENCE_MINUEND_FLOW=1570, PETRI_DIFFERENCE_MINUEND_PLACES=769, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=778, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=757, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2006, PETRI_PLACES=779, PETRI_TRANSITIONS=843} [2025-01-09 21:40:27,976 INFO L279 CegarLoopForPetriNet]: 791 programPoint places, -12 predicate places. [2025-01-09 21:40:27,976 INFO L471 AbstractCegarLoop]: Abstraction has has 779 places, 843 transitions, 2006 flow [2025-01-09 21:40:27,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 738.5) internal successors, (4431), 6 states have internal predecessors, (4431), 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) [2025-01-09 21:40:27,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:27,979 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:27,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:40:27,979 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2025-01-09 21:40:27,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:27,981 INFO L85 PathProgramCache]: Analyzing trace with hash -305927085, now seen corresponding path program 1 times [2025-01-09 21:40:27,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:27,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434794801] [2025-01-09 21:40:27,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:27,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:27,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-01-09 21:40:28,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-09 21:40:28,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:28,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:28,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:28,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434794801] [2025-01-09 21:40:28,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434794801] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:28,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:28,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-09 21:40:28,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695923659] [2025-01-09 21:40:28,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:28,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:40:28,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:28,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:40:28,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:40:28,108 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 762 out of 930 [2025-01-09 21:40:28,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 779 places, 843 transitions, 2006 flow. Second operand has 3 states, 3 states have (on average 763.3333333333334) internal successors, (2290), 3 states have internal predecessors, (2290), 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) [2025-01-09 21:40:28,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:28,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 762 of 930 [2025-01-09 21:40:28,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:40:29,358 INFO L124 PetriNetUnfolderBase]: 448/8679 cut-off events. [2025-01-09 21:40:29,358 INFO L125 PetriNetUnfolderBase]: For 433/702 co-relation queries the response was YES. [2025-01-09 21:40:29,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9784 conditions, 8679 events. 448/8679 cut-off events. For 433/702 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 75150 event pairs, 50 based on Foata normal form. 32/8238 useless extension candidates. Maximal degree in co-relation 9774. Up to 422 conditions per place. [2025-01-09 21:40:29,453 INFO L140 encePairwiseOnDemand]: 927/930 looper letters, 56 selfloop transitions, 2 changer transitions 0/851 dead transitions. [2025-01-09 21:40:29,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 781 places, 851 transitions, 2156 flow [2025-01-09 21:40:29,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:40:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:40:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2316 transitions. [2025-01-09 21:40:29,457 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8301075268817204 [2025-01-09 21:40:29,458 INFO L175 Difference]: Start difference. First operand has 779 places, 843 transitions, 2006 flow. Second operand 3 states and 2316 transitions. [2025-01-09 21:40:29,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 781 places, 851 transitions, 2156 flow [2025-01-09 21:40:29,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 781 places, 851 transitions, 2156 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:40:29,477 INFO L231 Difference]: Finished difference. Result has 782 places, 843 transitions, 2014 flow [2025-01-09 21:40:29,480 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=930, PETRI_DIFFERENCE_MINUEND_FLOW=2006, PETRI_DIFFERENCE_MINUEND_PLACES=779, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=843, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=841, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2014, PETRI_PLACES=782, PETRI_TRANSITIONS=843} [2025-01-09 21:40:29,480 INFO L279 CegarLoopForPetriNet]: 791 programPoint places, -9 predicate places. [2025-01-09 21:40:29,481 INFO L471 AbstractCegarLoop]: Abstraction has has 782 places, 843 transitions, 2014 flow [2025-01-09 21:40:29,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 763.3333333333334) internal successors, (2290), 3 states have internal predecessors, (2290), 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) [2025-01-09 21:40:29,482 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:29,483 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:40:29,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:40:29,483 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2025-01-09 21:40:29,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:29,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1790200666, now seen corresponding path program 1 times [2025-01-09 21:40:29,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:29,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868743719] [2025-01-09 21:40:29,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:29,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:29,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-09 21:40:29,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-09 21:40:29,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:29,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:29,520 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-09 21:40:29,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-01-09 21:40:29,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-01-09 21:40:29,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:29,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-09 21:40:29,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-09 21:40:29,564 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-09 21:40:29,565 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 58 remaining) [2025-01-09 21:40:29,567 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2025-01-09 21:40:29,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2025-01-09 21:40:29,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2025-01-09 21:40:29,568 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (23 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (22 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2025-01-09 21:40:29,569 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2025-01-09 21:40:29,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2025-01-09 21:40:29,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2025-01-09 21:40:29,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2025-01-09 21:40:29,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2025-01-09 21:40:29,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:40:29,572 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-01-09 21:40:29,574 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-01-09 21:40:29,574 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-01-09 21:40:29,750 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-09 21:40:29,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1446 places, 1699 transitions, 3430 flow [2025-01-09 21:40:31,599 INFO L124 PetriNetUnfolderBase]: 699/4225 cut-off events. [2025-01-09 21:40:31,599 INFO L125 PetriNetUnfolderBase]: For 40/52 co-relation queries the response was YES. [2025-01-09 21:40:31,806 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4282 conditions, 4225 events. 699/4225 cut-off events. For 40/52 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 26543 event pairs, 1 based on Foata normal form. 0/3351 useless extension candidates. Maximal degree in co-relation 2655. Up to 48 conditions per place. [2025-01-09 21:40:31,806 INFO L82 GeneralOperation]: Start removeDead. Operand has 1446 places, 1699 transitions, 3430 flow [2025-01-09 21:40:31,903 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1446 places, 1699 transitions, 3430 flow [2025-01-09 21:40:31,904 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:40:31,904 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;@1f6c5fe9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:40:31,905 INFO L334 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2025-01-09 21:40:31,908 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:40:31,908 INFO L124 PetriNetUnfolderBase]: 12/65 cut-off events. [2025-01-09 21:40:31,908 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:40:31,908 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:40:31,909 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] [2025-01-09 21:40:31,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr4ASSERT_VIOLATIONDATA_RACE (and 79 more)] === [2025-01-09 21:40:31,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:40:31,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1767261139, now seen corresponding path program 1 times [2025-01-09 21:40:31,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:40:31,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914445297] [2025-01-09 21:40:31,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:40:31,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:40:31,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-09 21:40:31,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-09 21:40:31,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:40:31,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:40:31,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:40:31,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:40:31,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914445297] [2025-01-09 21:40:31,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914445297] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:40:31,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:40:31,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:40:31,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477034620] [2025-01-09 21:40:31,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:40:31,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 21:40:31,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:40:31,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 21:40:31,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 21:40:31,936 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 1401 out of 1699 [2025-01-09 21:40:31,939 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1446 places, 1699 transitions, 3430 flow. Second operand has 2 states, 2 states have (on average 1401.5) internal successors, (2803), 2 states have internal predecessors, (2803), 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) [2025-01-09 21:40:31,939 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:40:31,939 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1401 of 1699 [2025-01-09 21:40:31,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand