./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/semaphore.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/semaphore.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 c654263c1c366ef9cc67f02592c2d3fd912134a9cb5af429926a9f4627826820 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 14:02:04,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 14:02:04,360 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 14:02:04,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 14:02:04,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 14:02:04,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 14:02:04,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 14:02:04,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 14:02:04,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 14:02:04,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 14:02:04,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 14:02:04,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 14:02:04,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 14:02:04,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 14:02:04,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 14:02:04,413 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 14:02:04,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 14:02:04,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 14:02:04,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 14:02:04,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 14:02:04,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 14:02:04,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 14:02:04,420 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 14:02:04,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 14:02:04,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 14:02:04,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 14:02:04,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 14:02:04,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 14:02:04,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 14:02:04,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 14:02:04,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 14:02:04,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:02:04,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 14:02:04,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 14:02:04,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 14:02:04,431 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 14:02:04,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 14:02:04,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 14:02:04,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 14:02:04,431 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 14:02:04,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 14:02:04,432 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c654263c1c366ef9cc67f02592c2d3fd912134a9cb5af429926a9f4627826820 [2024-11-20 14:02:04,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 14:02:04,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 14:02:04,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 14:02:04,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 14:02:04,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 14:02:04,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/semaphore.i [2024-11-20 14:02:06,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 14:02:06,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 14:02:06,597 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/semaphore.i [2024-11-20 14:02:06,648 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e080d5bc/31436ae60dea478884a670b18ccb2c96/FLAGebabac890 [2024-11-20 14:02:06,676 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e080d5bc/31436ae60dea478884a670b18ccb2c96 [2024-11-20 14:02:06,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 14:02:06,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 14:02:06,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 14:02:06,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 14:02:06,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 14:02:06,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:02:06" (1/1) ... [2024-11-20 14:02:06,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92b7ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:06, skipping insertion in model container [2024-11-20 14:02:06,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:02:06" (1/1) ... [2024-11-20 14:02:06,784 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 14:02:09,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:02:09,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 14:02:09,287 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-20 14:02:09,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-20 14:02:09,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-20 14:02:09,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-20 14:02:09,296 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-20 14:02:09,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-20 14:02:09,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-20 14:02:09,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-20 14:02:09,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-20 14:02:09,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-20 14:02:09,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-20 14:02:09,301 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-20 14:02:09,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-20 14:02:09,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-20 14:02:09,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-20 14:02:09,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-20 14:02:09,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-20 14:02:09,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-20 14:02:09,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-20 14:02:09,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-20 14:02:09,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-20 14:02:09,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-20 14:02:09,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-20 14:02:09,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-20 14:02:09,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-20 14:02:09,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-20 14:02:09,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-20 14:02:09,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-20 14:02:09,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-20 14:02:09,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-20 14:02:09,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-20 14:02:09,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-20 14:02:09,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-20 14:02:09,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-20 14:02:09,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-20 14:02:09,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-20 14:02:09,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-20 14:02:09,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-20 14:02:09,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-20 14:02:09,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-20 14:02:09,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-20 14:02:09,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-20 14:02:09,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-20 14:02:09,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-20 14:02:09,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-20 14:02:09,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-20 14:02:09,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-20 14:02:09,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-20 14:02:09,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-20 14:02:09,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-20 14:02:09,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-20 14:02:09,339 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-20 14:02:09,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-20 14:02:09,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-20 14:02:09,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-20 14:02:09,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-20 14:02:09,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-20 14:02:09,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-20 14:02:09,346 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-20 14:02:09,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-20 14:02:09,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-20 14:02:09,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-20 14:02:09,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-20 14:02:09,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-20 14:02:09,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-20 14:02:09,352 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-20 14:02:09,353 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-20 14:02:09,354 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-20 14:02:09,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-20 14:02:09,355 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-20 14:02:09,356 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-20 14:02:09,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-20 14:02:09,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-20 14:02:09,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-20 14:02:09,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-20 14:02:09,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-20 14:02:09,360 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-20 14:02:09,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-20 14:02:09,361 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-20 14:02:09,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-20 14:02:09,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-20 14:02:09,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-20 14:02:09,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-20 14:02:09,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-20 14:02:09,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-20 14:02:09,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-20 14:02:09,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-20 14:02:09,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-20 14:02:09,371 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-20 14:02:09,372 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-20 14:02:09,375 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-20 14:02:09,376 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-20 14:02:09,377 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-20 14:02:09,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-20 14:02:09,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-20 14:02:09,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-20 14:02:09,379 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-20 14:02:09,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-20 14:02:09,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-20 14:02:09,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-20 14:02:09,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 14:02:09,764 INFO L204 MainTranslator]: Completed translation [2024-11-20 14:02:09,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09 WrapperNode [2024-11-20 14:02:09,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 14:02:09,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 14:02:09,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 14:02:09,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 14:02:09,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:09,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:09,971 INFO L138 Inliner]: procedures = 921, calls = 921, calls flagged for inlining = 820, calls inlined = 50, statements flattened = 648 [2024-11-20 14:02:09,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 14:02:09,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 14:02:09,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 14:02:09,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 14:02:09,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:09,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:09,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:09,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:10,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:10,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:10,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:10,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:10,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 14:02:10,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 14:02:10,077 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 14:02:10,077 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 14:02:10,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (1/1) ... [2024-11-20 14:02:10,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 14:02:10,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 14:02:10,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 14:02:10,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 14:02:10,166 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-20 14:02:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-20 14:02:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 14:02:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 14:02:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 14:02:10,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 14:02:10,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 14:02:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 14:02:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 14:02:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-20 14:02:10,168 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-20 14:02:10,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 14:02:10,172 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 14:02:10,369 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 14:02:10,371 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 14:02:11,188 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 14:02:11,191 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 14:02:11,374 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 14:02:11,374 INFO L316 CfgBuilder]: Removed 97 assume(true) statements. [2024-11-20 14:02:11,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:02:11 BoogieIcfgContainer [2024-11-20 14:02:11,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 14:02:11,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 14:02:11,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 14:02:11,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 14:02:11,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:02:06" (1/3) ... [2024-11-20 14:02:11,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c365203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:02:11, skipping insertion in model container [2024-11-20 14:02:11,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:09" (2/3) ... [2024-11-20 14:02:11,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c365203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:02:11, skipping insertion in model container [2024-11-20 14:02:11,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:02:11" (3/3) ... [2024-11-20 14:02:11,386 INFO L112 eAbstractionObserver]: Analyzing ICFG semaphore.i [2024-11-20 14:02:11,405 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 14:02:11,405 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2024-11-20 14:02:11,406 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 14:02:11,631 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 14:02:11,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 581 places, 689 transitions, 1392 flow [2024-11-20 14:02:12,125 INFO L124 PetriNetUnfolderBase]: 213/1230 cut-off events. [2024-11-20 14:02:12,126 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-20 14:02:12,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1243 conditions, 1230 events. 213/1230 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 5203 event pairs, 0 based on Foata normal form. 0/961 useless extension candidates. Maximal degree in co-relation 721. Up to 12 conditions per place. [2024-11-20 14:02:12,160 INFO L82 GeneralOperation]: Start removeDead. Operand has 581 places, 689 transitions, 1392 flow [2024-11-20 14:02:12,186 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 581 places, 689 transitions, 1392 flow [2024-11-20 14:02:12,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 14:02:12,207 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;@57afb9d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 14:02:12,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-11-20 14:02:12,212 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 14:02:12,212 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-20 14:02:12,212 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 14:02:12,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:02:12,213 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:02:12,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-20 14:02:12,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:02:12,219 INFO L85 PathProgramCache]: Analyzing trace with hash -771412713, now seen corresponding path program 1 times [2024-11-20 14:02:12,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:02:12,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840536003] [2024-11-20 14:02:12,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:02:12,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:02:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:02:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:02:12,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:02:12,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840536003] [2024-11-20 14:02:12,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840536003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:02:12,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:02:12,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 14:02:12,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504298488] [2024-11-20 14:02:12,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:02:12,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 14:02:12,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:02:12,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 14:02:12,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 14:02:12,743 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 560 out of 689 [2024-11-20 14:02:12,749 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 581 places, 689 transitions, 1392 flow. Second operand has 2 states, 2 states have (on average 560.5) internal successors, (1121), 2 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:02:12,749 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:02:12,749 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 560 of 689 [2024-11-20 14:02:12,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:02:13,665 INFO L124 PetriNetUnfolderBase]: 62/2444 cut-off events. [2024-11-20 14:02:13,666 INFO L125 PetriNetUnfolderBase]: For 49/49 co-relation queries the response was YES. [2024-11-20 14:02:13,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2554 conditions, 2444 events. 62/2444 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 14090 event pairs, 28 based on Foata normal form. 1060/3317 useless extension candidates. Maximal degree in co-relation 1936. Up to 79 conditions per place. [2024-11-20 14:02:13,707 INFO L140 encePairwiseOnDemand]: 573/689 looper letters, 13 selfloop transitions, 0 changer transitions 0/567 dead transitions. [2024-11-20 14:02:13,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 563 places, 567 transitions, 1174 flow [2024-11-20 14:02:13,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 14:02:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-20 14:02:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1249 transitions. [2024-11-20 14:02:13,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9063860667634253 [2024-11-20 14:02:13,736 INFO L175 Difference]: Start difference. First operand has 581 places, 689 transitions, 1392 flow. Second operand 2 states and 1249 transitions. [2024-11-20 14:02:13,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 563 places, 567 transitions, 1174 flow [2024-11-20 14:02:13,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 563 places, 567 transitions, 1174 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 14:02:13,761 INFO L231 Difference]: Finished difference. Result has 563 places, 567 transitions, 1148 flow [2024-11-20 14:02:13,764 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=689, PETRI_DIFFERENCE_MINUEND_FLOW=1148, PETRI_DIFFERENCE_MINUEND_PLACES=562, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=567, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=1148, PETRI_PLACES=563, PETRI_TRANSITIONS=567} [2024-11-20 14:02:13,771 INFO L277 CegarLoopForPetriNet]: 581 programPoint places, -18 predicate places. [2024-11-20 14:02:13,771 INFO L471 AbstractCegarLoop]: Abstraction has has 563 places, 567 transitions, 1148 flow [2024-11-20 14:02:13,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 560.5) internal successors, (1121), 2 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:02:13,773 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:02:13,773 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:02:13,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 14:02:13,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-20 14:02:13,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:02:13,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1819369905, now seen corresponding path program 1 times [2024-11-20 14:02:13,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:02:13,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508095442] [2024-11-20 14:02:13,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:02:13,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:02:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:02:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:02:14,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:02:14,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508095442] [2024-11-20 14:02:14,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508095442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:02:14,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:02:14,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 14:02:14,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63960495] [2024-11-20 14:02:14,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:02:14,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 14:02:14,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:02:14,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 14:02:14,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 14:02:15,172 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 537 out of 689 [2024-11-20 14:02:15,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 563 places, 567 transitions, 1148 flow. Second operand has 6 states, 6 states have (on average 538.6666666666666) internal successors, (3232), 6 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:02:15,177 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:02:15,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 537 of 689 [2024-11-20 14:02:15,177 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:02:16,813 INFO L124 PetriNetUnfolderBase]: 674/6646 cut-off events. [2024-11-20 14:02:16,814 INFO L125 PetriNetUnfolderBase]: For 42/42 co-relation queries the response was YES. [2024-11-20 14:02:16,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7730 conditions, 6646 events. 674/6646 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 64350 event pairs, 520 based on Foata normal form. 0/6064 useless extension candidates. Maximal degree in co-relation 7725. Up to 1019 conditions per place. [2024-11-20 14:02:16,900 INFO L140 encePairwiseOnDemand]: 678/689 looper letters, 35 selfloop transitions, 22 changer transitions 0/588 dead transitions. [2024-11-20 14:02:16,900 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 568 places, 588 transitions, 1304 flow [2024-11-20 14:02:16,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 14:02:16,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 14:02:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3280 transitions. [2024-11-20 14:02:16,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7934204160619255 [2024-11-20 14:02:16,909 INFO L175 Difference]: Start difference. First operand has 563 places, 567 transitions, 1148 flow. Second operand 6 states and 3280 transitions. [2024-11-20 14:02:16,909 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 568 places, 588 transitions, 1304 flow [2024-11-20 14:02:16,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 568 places, 588 transitions, 1304 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 14:02:16,925 INFO L231 Difference]: Finished difference. Result has 573 places, 588 transitions, 1298 flow [2024-11-20 14:02:16,926 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=689, PETRI_DIFFERENCE_MINUEND_FLOW=1148, PETRI_DIFFERENCE_MINUEND_PLACES=563, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=567, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=557, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1298, PETRI_PLACES=573, PETRI_TRANSITIONS=588} [2024-11-20 14:02:16,927 INFO L277 CegarLoopForPetriNet]: 581 programPoint places, -8 predicate places. [2024-11-20 14:02:16,928 INFO L471 AbstractCegarLoop]: Abstraction has has 573 places, 588 transitions, 1298 flow [2024-11-20 14:02:16,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 538.6666666666666) internal successors, (3232), 6 states have internal predecessors, (3232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:02:16,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:02:16,930 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:02:16,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 14:02:16,931 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-20 14:02:16,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:02:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash -219446109, now seen corresponding path program 1 times [2024-11-20 14:02:16,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:02:16,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206090176] [2024-11-20 14:02:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:02:16,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:02:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:02:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:02:17,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:02:17,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206090176] [2024-11-20 14:02:17,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206090176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:02:17,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:02:17,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 14:02:17,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629811739] [2024-11-20 14:02:17,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:02:17,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 14:02:17,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:02:17,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 14:02:17,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 14:02:17,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 554 out of 689 [2024-11-20 14:02:17,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 573 places, 588 transitions, 1298 flow. Second operand has 3 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:02:17,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:02:17,077 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 554 of 689 [2024-11-20 14:02:17,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:02:18,110 INFO L124 PetriNetUnfolderBase]: 194/4436 cut-off events. [2024-11-20 14:02:18,110 INFO L125 PetriNetUnfolderBase]: For 202/296 co-relation queries the response was YES. [2024-11-20 14:02:18,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4898 conditions, 4436 events. 194/4436 cut-off events. For 202/296 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 35053 event pairs, 28 based on Foata normal form. 16/4169 useless extension candidates. Maximal degree in co-relation 4888. Up to 214 conditions per place. [2024-11-20 14:02:18,191 INFO L140 encePairwiseOnDemand]: 686/689 looper letters, 38 selfloop transitions, 2 changer transitions 0/593 dead transitions. [2024-11-20 14:02:18,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 575 places, 593 transitions, 1400 flow [2024-11-20 14:02:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 14:02:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 14:02:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1686 transitions. [2024-11-20 14:02:18,198 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8156748911465893 [2024-11-20 14:02:18,198 INFO L175 Difference]: Start difference. First operand has 573 places, 588 transitions, 1298 flow. Second operand 3 states and 1686 transitions. [2024-11-20 14:02:18,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 575 places, 593 transitions, 1400 flow [2024-11-20 14:02:18,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 575 places, 593 transitions, 1400 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 14:02:18,216 INFO L231 Difference]: Finished difference. Result has 576 places, 588 transitions, 1306 flow [2024-11-20 14:02:18,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=689, PETRI_DIFFERENCE_MINUEND_FLOW=1298, PETRI_DIFFERENCE_MINUEND_PLACES=573, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=588, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=586, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1306, PETRI_PLACES=576, PETRI_TRANSITIONS=588} [2024-11-20 14:02:18,221 INFO L277 CegarLoopForPetriNet]: 581 programPoint places, -5 predicate places. [2024-11-20 14:02:18,221 INFO L471 AbstractCegarLoop]: Abstraction has has 576 places, 588 transitions, 1306 flow [2024-11-20 14:02:18,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 555.6666666666666) internal successors, (1667), 3 states have internal predecessors, (1667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:02:18,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:02:18,224 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:02:18,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 14:02:18,227 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-11-20 14:02:18,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:02:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash 399500016, now seen corresponding path program 1 times [2024-11-20 14:02:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:02:18,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392617607] [2024-11-20 14:02:18,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:02:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:02:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 14:02:18,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 14:02:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 14:02:18,342 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 14:02:18,342 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 14:02:18,343 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 45 remaining) [2024-11-20 14:02:18,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2024-11-20 14:02:18,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2024-11-20 14:02:18,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2024-11-20 14:02:18,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2024-11-20 14:02:18,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2024-11-20 14:02:18,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2024-11-20 14:02:18,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2024-11-20 14:02:18,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2024-11-20 14:02:18,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2024-11-20 14:02:18,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2024-11-20 14:02:18,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2024-11-20 14:02:18,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2024-11-20 14:02:18,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2024-11-20 14:02:18,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2024-11-20 14:02:18,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2024-11-20 14:02:18,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 45 remaining) [2024-11-20 14:02:18,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2024-11-20 14:02:18,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2024-11-20 14:02:18,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2024-11-20 14:02:18,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2024-11-20 14:02:18,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2024-11-20 14:02:18,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2024-11-20 14:02:18,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2024-11-20 14:02:18,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2024-11-20 14:02:18,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2024-11-20 14:02:18,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (18 of 45 remaining) [2024-11-20 14:02:18,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0ASSERT_VIOLATIONDATA_RACE (17 of 45 remaining) [2024-11-20 14:02:18,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2ASSERT_VIOLATIONDATA_RACE (16 of 45 remaining) [2024-11-20 14:02:18,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2024-11-20 14:02:18,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2024-11-20 14:02:18,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2024-11-20 14:02:18,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2024-11-20 14:02:18,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2024-11-20 14:02:18,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2024-11-20 14:02:18,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2024-11-20 14:02:18,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2024-11-20 14:02:18,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2024-11-20 14:02:18,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2024-11-20 14:02:18,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2024-11-20 14:02:18,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2024-11-20 14:02:18,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2024-11-20 14:02:18,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2024-11-20 14:02:18,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2024-11-20 14:02:18,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2024-11-20 14:02:18,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 14:02:18,360 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 14:02:18,363 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-20 14:02:18,365 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-20 14:02:18,616 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-20 14:02:18,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1013 places, 1201 transitions, 2434 flow [2024-11-20 14:02:20,356 INFO L124 PetriNetUnfolderBase]: 595/3380 cut-off events. [2024-11-20 14:02:20,356 INFO L125 PetriNetUnfolderBase]: For 40/52 co-relation queries the response was YES. [2024-11-20 14:02:20,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3437 conditions, 3380 events. 595/3380 cut-off events. For 40/52 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 20772 event pairs, 1 based on Foata normal form. 0/2627 useless extension candidates. Maximal degree in co-relation 2078. Up to 48 conditions per place. [2024-11-20 14:02:20,519 INFO L82 GeneralOperation]: Start removeDead. Operand has 1013 places, 1201 transitions, 2434 flow [2024-11-20 14:02:20,612 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1013 places, 1201 transitions, 2434 flow [2024-11-20 14:02:20,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 14:02:20,618 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;@57afb9d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 14:02:20,619 INFO L334 AbstractCegarLoop]: Starting to check reachability of 63 error locations. [2024-11-20 14:02:20,622 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 14:02:20,622 INFO L124 PetriNetUnfolderBase]: 0/23 cut-off events. [2024-11-20 14:02:20,622 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 14:02:20,622 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:02:20,623 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:02:20,623 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-20 14:02:20,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:02:20,623 INFO L85 PathProgramCache]: Analyzing trace with hash 2039559447, now seen corresponding path program 1 times [2024-11-20 14:02:20,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:02:20,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346786615] [2024-11-20 14:02:20,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:02:20,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:02:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:02:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:02:20,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:02:20,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346786615] [2024-11-20 14:02:20,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346786615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:02:20,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:02:20,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 14:02:20,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745615746] [2024-11-20 14:02:20,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:02:20,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 14:02:20,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:02:20,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 14:02:20,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 14:02:20,752 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 974 out of 1201 [2024-11-20 14:02:20,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1013 places, 1201 transitions, 2434 flow. Second operand has 2 states, 2 states have (on average 974.5) internal successors, (1949), 2 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:02:20,756 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:02:20,756 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 974 of 1201 [2024-11-20 14:02:20,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 14:02:56,554 INFO L124 PetriNetUnfolderBase]: 4608/81564 cut-off events. [2024-11-20 14:02:56,555 INFO L125 PetriNetUnfolderBase]: For 3773/3869 co-relation queries the response was YES. [2024-11-20 14:03:00,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88537 conditions, 81564 events. 4608/81564 cut-off events. For 3773/3869 co-relation queries the response was YES. Maximal size of possible extension queue 575. Compared 1218441 event pairs, 3441 based on Foata normal form. 50987/124906 useless extension candidates. Maximal degree in co-relation 20314. Up to 5401 conditions per place. [2024-11-20 14:03:01,057 INFO L140 encePairwiseOnDemand]: 999/1201 looper letters, 25 selfloop transitions, 0 changer transitions 0/991 dead transitions. [2024-11-20 14:03:01,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 981 places, 991 transitions, 2064 flow [2024-11-20 14:03:01,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 14:03:01,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-20 14:03:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2175 transitions. [2024-11-20 14:03:01,071 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9054954204829309 [2024-11-20 14:03:01,071 INFO L175 Difference]: Start difference. First operand has 1013 places, 1201 transitions, 2434 flow. Second operand 2 states and 2175 transitions. [2024-11-20 14:03:01,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 981 places, 991 transitions, 2064 flow [2024-11-20 14:03:01,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 981 places, 991 transitions, 2064 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 14:03:01,089 INFO L231 Difference]: Finished difference. Result has 981 places, 991 transitions, 2014 flow [2024-11-20 14:03:01,090 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1201, PETRI_DIFFERENCE_MINUEND_FLOW=2014, PETRI_DIFFERENCE_MINUEND_PLACES=980, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=991, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=991, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=2014, PETRI_PLACES=981, PETRI_TRANSITIONS=991} [2024-11-20 14:03:01,092 INFO L277 CegarLoopForPetriNet]: 1013 programPoint places, -32 predicate places. [2024-11-20 14:03:01,092 INFO L471 AbstractCegarLoop]: Abstraction has has 981 places, 991 transitions, 2014 flow [2024-11-20 14:03:01,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 974.5) internal successors, (1949), 2 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:03:01,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 14:03:01,095 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 14:03:01,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 14:03:01,096 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [readerErr0ASSERT_VIOLATIONDATA_RACE, readerErr2ASSERT_VIOLATIONDATA_RACE, readerErr3ASSERT_VIOLATIONDATA_RACE, readerErr1ASSERT_VIOLATIONDATA_RACE (and 59 more)] === [2024-11-20 14:03:01,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 14:03:01,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1773567903, now seen corresponding path program 1 times [2024-11-20 14:03:01,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 14:03:01,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936006227] [2024-11-20 14:03:01,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 14:03:01,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 14:03:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 14:03:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 14:03:01,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 14:03:01,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936006227] [2024-11-20 14:03:01,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936006227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 14:03:01,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 14:03:01,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 14:03:01,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526371290] [2024-11-20 14:03:01,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 14:03:01,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 14:03:01,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 14:03:01,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 14:03:01,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 14:03:01,903 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 951 out of 1201 [2024-11-20 14:03:01,909 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 981 places, 991 transitions, 2014 flow. Second operand has 6 states, 6 states have (on average 952.6666666666666) internal successors, (5716), 6 states have internal predecessors, (5716), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 14:03:01,910 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 14:03:01,910 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 951 of 1201 [2024-11-20 14:03:01,910 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand