./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/libvsync/ticketlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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/ticketlock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e9f7836ebdfb0849cf7f06257ab1fd414077ad21cfcb006a14459421df712fb --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:15:27,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:15:28,066 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 14:15:28,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:15:28,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:15:28,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:15:28,085 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:15:28,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:15:28,086 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:15:28,086 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:15:28,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 14:15:28,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 14:15:28,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:15:28,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:15:28,086 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:15:28,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:15:28,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:15:28,088 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:15:28,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 14:15:28,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 14:15:28,089 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 14:15:28,089 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 14:15:28,089 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 ! overflow) ) 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 -> 8e9f7836ebdfb0849cf7f06257ab1fd414077ad21cfcb006a14459421df712fb [2025-02-08 14:15:28,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:15:28,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:15:28,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:15:28,341 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:15:28,341 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:15:28,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/ticketlock.i [2025-02-08 14:15:29,668 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ae24f7ddc/d5ddb4293af846f597da954fc5d94857/FLAGbfc43543e [2025-02-08 14:15:30,198 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:15:30,198 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/ticketlock.i [2025-02-08 14:15:30,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ae24f7ddc/d5ddb4293af846f597da954fc5d94857/FLAGbfc43543e [2025-02-08 14:15:30,246 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ae24f7ddc/d5ddb4293af846f597da954fc5d94857 [2025-02-08 14:15:30,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:15:30,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:15:30,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:15:30,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:15:30,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:15:30,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40123b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30, skipping insertion in model container [2025-02-08 14:15:30,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,312 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:15:32,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:15:32,280 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:15:32,419 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-02-08 14:15:32,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-02-08 14:15:32,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-02-08 14:15:32,421 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-02-08 14:15:32,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-02-08 14:15:32,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-02-08 14:15:32,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-02-08 14:15:32,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-02-08 14:15:32,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-02-08 14:15:32,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-02-08 14:15:32,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-02-08 14:15:32,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-02-08 14:15:32,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-02-08 14:15:32,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-02-08 14:15:32,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-02-08 14:15:32,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-02-08 14:15:32,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-02-08 14:15:32,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-02-08 14:15:32,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-02-08 14:15:32,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-02-08 14:15:32,425 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-02-08 14:15:32,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-02-08 14:15:32,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-02-08 14:15:32,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-02-08 14:15:32,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-02-08 14:15:32,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-02-08 14:15:32,426 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-02-08 14:15:32,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-02-08 14:15:32,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-02-08 14:15:32,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-02-08 14:15:32,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-02-08 14:15:32,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-02-08 14:15:32,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-02-08 14:15:32,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-02-08 14:15:32,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-02-08 14:15:32,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-02-08 14:15:32,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-02-08 14:15:32,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-02-08 14:15:32,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-02-08 14:15:32,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-02-08 14:15:32,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-02-08 14:15:32,430 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-02-08 14:15:32,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-02-08 14:15:32,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-02-08 14:15:32,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-02-08 14:15:32,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-02-08 14:15:32,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-02-08 14:15:32,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-02-08 14:15:32,432 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-02-08 14:15:32,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-02-08 14:15:32,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-02-08 14:15:32,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-02-08 14:15:32,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-02-08 14:15:32,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-02-08 14:15:32,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-02-08 14:15:32,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-02-08 14:15:32,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-02-08 14:15:32,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-02-08 14:15:32,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-02-08 14:15:32,435 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-02-08 14:15:32,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-02-08 14:15:32,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-02-08 14:15:32,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-02-08 14:15:32,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-02-08 14:15:32,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-02-08 14:15:32,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-02-08 14:15:32,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-02-08 14:15:32,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-02-08 14:15:32,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-02-08 14:15:32,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-02-08 14:15:32,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-02-08 14:15:32,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-02-08 14:15:32,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-02-08 14:15:32,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-02-08 14:15:32,439 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-02-08 14:15:32,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-02-08 14:15:32,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-02-08 14:15:32,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-02-08 14:15:32,440 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-02-08 14:15:32,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-02-08 14:15:32,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-02-08 14:15:32,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-02-08 14:15:32,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-02-08 14:15:32,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-02-08 14:15:32,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-02-08 14:15:32,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-02-08 14:15:32,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-02-08 14:15:32,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-02-08 14:15:32,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-02-08 14:15:32,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-02-08 14:15:32,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-02-08 14:15:32,443 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-02-08 14:15:32,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-02-08 14:15:32,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-02-08 14:15:32,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-02-08 14:15:32,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-02-08 14:15:32,444 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-02-08 14:15:32,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-02-08 14:15:32,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-02-08 14:15:32,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-02-08 14:15:32,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:15:32,709 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:15:32,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32 WrapperNode [2025-02-08 14:15:32,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:15:32,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:15:32,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:15:32,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:15:32,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,790 INFO L138 Inliner]: procedures = 918, calls = 924, calls flagged for inlining = 825, calls inlined = 41, statements flattened = 364 [2025-02-08 14:15:32,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:15:32,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:15:32,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:15:32,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:15:32,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,839 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 10, 2]. 71 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0]. The 4 writes are split as follows [0, 3, 1]. [2025-02-08 14:15:32,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,857 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,880 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:15:32,881 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:15:32,881 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:15:32,881 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:15:32,883 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (1/1) ... [2025-02-08 14:15:32,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:15:32,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:15:32,923 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) [2025-02-08 14:15:32,929 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 [2025-02-08 14:15:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:15:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:15:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:15:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:15:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:15:32,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:15:32,953 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-02-08 14:15:32,954 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:15:32,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:15:32,956 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 14:15:33,100 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:15:33,101 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:15:33,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:33,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-2: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:33,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-3: assume { :end_inline_vatomic32_read } true;vatomic32_read_rlx_#res#1 := vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:33,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-4: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-5: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-6: vatomic32_read_rlx_#t~ret112#1 := vatomic32_read_#res#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5998-3: ~j~1#1 := 1 + #t~post772#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5998-4: assume 1 + #t~post772#1 >= -2147483648; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5998-4: assume !(1 + #t~post772#1 >= -2147483648); [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4842: vatomic32_await_eq_~ret~0#1 := vatomic32_await_eq_~o~5#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5998-1: havoc #t~post772#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: vatomic32_await_eq_acq_~v#1 := vatomic32_await_eq_acq_#in~v#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5998-2: assume 1 + #t~post772#1 <= 2147483647; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5998-2: assume !(1 + #t~post772#1 <= 2147483647); [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282-1: vatomic32_await_eq_acq_~a#1.base, vatomic32_await_eq_acq_~a#1.offset := vatomic32_await_eq_acq_#in~a#1.base, vatomic32_await_eq_acq_#in~a#1.offset; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-1: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:33,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-2: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-3: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5999: assume { :end_inline_release } true;#t~post772#1 := ~j~1#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5999-1: havoc release_#in~tid#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-2: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-3: assume { :end_inline_vatomic32_cmpxchg } true;vatomic32_cmpxchg_rlx_#res#1 := vatomic32_cmpxchg_rlx_#t~ret117#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-4: havoc vatomic32_cmpxchg_#in~a#1.base, vatomic32_cmpxchg_#in~a#1.offset, vatomic32_cmpxchg_#in~e#1, vatomic32_cmpxchg_#in~v#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-5: havoc vatomic32_cmpxchg_#t~ret448#1, vatomic32_cmpxchg_#t~mem449#1, vatomic32_cmpxchg_#t~ret450#1, vatomic32_cmpxchg_~a#1.base, vatomic32_cmpxchg_~a#1.offset, vatomic32_cmpxchg_~e#1, vatomic32_cmpxchg_~v#1, vatomic32_cmpxchg_~exp~2#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-6: vatomic32_cmpxchg_rlx_#t~ret117#1 := vatomic32_cmpxchg_#res#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-7: havoc vatomic32_cmpxchg_#t~ret448#1, vatomic32_cmpxchg_#t~mem449#1, vatomic32_cmpxchg_#t~ret450#1, vatomic32_cmpxchg_~a#1.base, vatomic32_cmpxchg_~a#1.offset, vatomic32_cmpxchg_~e#1, vatomic32_cmpxchg_~v#1, vatomic32_cmpxchg_~exp~2#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-8: havoc vatomic32_cmpxchg_#res#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-9: assume { :begin_inline_vatomic32_cmpxchg } true;vatomic32_cmpxchg_#in~a#1.base, vatomic32_cmpxchg_#in~a#1.offset, vatomic32_cmpxchg_#in~e#1, vatomic32_cmpxchg_#in~v#1 := vatomic32_cmpxchg_rlx_~a#1.base, vatomic32_cmpxchg_rlx_~a#1.offset, vatomic32_cmpxchg_rlx_~e#1, vatomic32_cmpxchg_rlx_~v#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4844-1: vatomic32_await_eq_#res#1 := vatomic32_await_eq_~ret~0#1; [2025-02-08 14:15:33,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390: havoc ticketlock_tryacquire_#t~ret760#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-1: vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset := vatomic32_write_#in~a#1.base, vatomic32_write_#in~a#1.offset; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-3: havoc vatomic32_read_acq_#t~ret113#1, vatomic32_read_acq_~a#1.base, vatomic32_read_acq_~a#1.offset; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: vatomic32_write_~v#1 := vatomic32_write_#in~v#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-4: ticketlock_tryacquire_#t~ret760#1 := vatomic32_read_acq_#res#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285: havoc vatomic32_await_eq_acq_#t~ret174#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-1: assume { :end_inline_vatomic32_read_acq } true;ticketlock_tryacquire_~o~8#1 := ticketlock_tryacquire_#t~ret760#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-3: assume { :end_inline_vatomic32_await_eq } true;vatomic32_await_eq_acq_#res#1 := vatomic32_await_eq_acq_#t~ret174#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-2: havoc vatomic32_read_acq_#in~a#1.base, vatomic32_read_acq_#in~a#1.offset; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-2: havoc vatomic32_await_eq_acq_#t~ret174#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-5: havoc vatomic32_await_eq_#t~ret636#1, vatomic32_await_eq_#t~ite637#1, vatomic32_await_eq_~a#1.base, vatomic32_await_eq_~a#1.offset, vatomic32_await_eq_~c#1, vatomic32_await_eq_~ret~0#1, vatomic32_await_eq_~o~5#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-4: havoc vatomic32_await_eq_#in~a#1.base, vatomic32_await_eq_#in~a#1.offset, vatomic32_await_eq_#in~c#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-7: havoc vatomic32_await_eq_#t~ret636#1, vatomic32_await_eq_#t~ite637#1, vatomic32_await_eq_~a#1.base, vatomic32_await_eq_~a#1.offset, vatomic32_await_eq_~c#1, vatomic32_await_eq_~ret~0#1, vatomic32_await_eq_~o~5#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-6: vatomic32_await_eq_acq_#t~ret174#1 := vatomic32_await_eq_#res#1; [2025-02-08 14:15:33,410 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-9: assume { :begin_inline_vatomic32_await_eq } true;vatomic32_await_eq_#in~a#1.base, vatomic32_await_eq_#in~a#1.offset, vatomic32_await_eq_#in~c#1 := vatomic32_await_eq_acq_~a#1.base, vatomic32_await_eq_acq_~a#1.offset, vatomic32_await_eq_acq_~v#1; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-8: havoc vatomic32_await_eq_#res#1; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume true; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume !true; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume false; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume !false; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume true; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume !true; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume false; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume !false; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume true; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume !true; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume false; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume !false; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume true; [2025-02-08 14:15:33,411 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume !true; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume false; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume !false; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391: havoc ticketlock_tryacquire_#t~ret761#1; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume true; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume !true; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-1: assume { :end_inline_vatomic32_cmpxchg_rlx } true;ticketlock_tryacquire_~n~0#1 := ticketlock_tryacquire_#t~ret761#1; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume false; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume !false; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume true; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume !true; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume false; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume !false; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-4: ticketlock_tryacquire_#t~ret761#1 := vatomic32_cmpxchg_rlx_#res#1; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-5: havoc vatomic32_cmpxchg_rlx_#t~ret117#1, vatomic32_cmpxchg_rlx_~a#1.base, vatomic32_cmpxchg_rlx_~a#1.offset, vatomic32_cmpxchg_rlx_~e#1, vatomic32_cmpxchg_rlx_~v#1; [2025-02-08 14:15:33,412 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume true; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume !true; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-2: havoc vatomic32_cmpxchg_rlx_#in~a#1.base, vatomic32_cmpxchg_rlx_#in~a#1.offset, vatomic32_cmpxchg_rlx_#in~e#1, vatomic32_cmpxchg_rlx_#in~v#1; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume false; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume !false; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-3: havoc vatomic32_cmpxchg_rlx_#t~ret117#1, vatomic32_cmpxchg_rlx_~a#1.base, vatomic32_cmpxchg_rlx_~a#1.offset, vatomic32_cmpxchg_rlx_~e#1, vatomic32_cmpxchg_rlx_~v#1; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume true; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume !true; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume false; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume !false; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume true; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume !true; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-6: havoc vatomic32_cmpxchg_rlx_#res#1; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume false; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume !false; [2025-02-08 14:15:33,413 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-7: assume { :begin_inline_vatomic32_cmpxchg_rlx } true;vatomic32_cmpxchg_rlx_#in~a#1.base, vatomic32_cmpxchg_rlx_#in~a#1.offset, vatomic32_cmpxchg_rlx_#in~e#1, vatomic32_cmpxchg_rlx_#in~v#1 := ticketlock_tryacquire_~l#1.base, ticketlock_tryacquire_~l#1.offset, ticketlock_tryacquire_~o~8#1, 1 + ticketlock_tryacquire_~o~8#1; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume true; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume !true; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume false; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume !false; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume true; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume !true; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-2: havoc vatomic32_get_inc_#t~ret577#1; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume false; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume !false; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume true; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume !true; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516: havoc vatomic32_get_inc_#t~ret577#1; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume false; [2025-02-08 14:15:33,414 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume !false; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-5: havoc vatomic32_get_add_#t~mem492#1, vatomic32_get_add_~a#1.base, vatomic32_get_add_~a#1.offset, vatomic32_get_add_~v#1, vatomic32_get_add_~tmp~29#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-2: havoc vatomic32_read_acq_#t~ret113#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-6: vatomic32_get_inc_#t~ret577#1 := vatomic32_get_add_#res#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-3: assume { :end_inline_vatomic32_read } true;vatomic32_read_acq_#res#1 := vatomic32_read_acq_#t~ret113#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-3: assume { :end_inline_vatomic32_get_add } true;vatomic32_get_inc_#res#1 := vatomic32_get_inc_#t~ret577#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-4: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-4: havoc vatomic32_get_add_#in~a#1.base, vatomic32_get_add_#in~a#1.offset, vatomic32_get_add_#in~v#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-5: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-6: vatomic32_read_acq_#t~ret113#1 := vatomic32_read_#res#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036-1: havoc ticketlock_release_#in~l#1.base, ticketlock_release_#in~l#1.offset; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6036: assume { :end_inline_ticketlock_release } true;havoc release_~tid#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5392-1: ticketlock_tryacquire_#res#1 := (if 0 == (if ticketlock_tryacquire_~n~0#1 % 4294967296 == ticketlock_tryacquire_~o~8#1 % 4294967296 then 1 else 0) then 0 else 1); [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923-1: vatomic32_cmpxchg_~e#1 := vatomic32_cmpxchg_#in~e#1; [2025-02-08 14:15:33,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923: vatomic32_cmpxchg_~v#1 := vatomic32_cmpxchg_#in~v#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923-2: vatomic32_cmpxchg_~a#1.base, vatomic32_cmpxchg_~a#1.offset := vatomic32_cmpxchg_#in~a#1.base, vatomic32_cmpxchg_#in~a#1.offset; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775-2: vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset := vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-1: SUMMARY for call write~int#1(vatomic32_write_~v#1, vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825: [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-2: [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3926: vatomic32_cmpxchg_~exp~2#1 := vatomic32_cmpxchg_~e#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4835: vatomic32_await_eq_~c#1 := vatomic32_await_eq_#in~c#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4835-1: vatomic32_await_eq_~a#1.base, vatomic32_await_eq_~a#1.offset := vatomic32_await_eq_#in~a#1.base, vatomic32_await_eq_#in~a#1.offset; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5397-2: havoc vatomic32_read_rlx_#in~a#1.base, vatomic32_read_rlx_#in~a#1.offset; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5397-3: havoc vatomic32_read_rlx_#t~ret112#1, vatomic32_read_rlx_~a#1.base, vatomic32_read_rlx_~a#1.offset; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5397: havoc ticketlock_release_#t~ret762#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5397-1: assume { :end_inline_vatomic32_read_rlx } true;ticketlock_release_~owner~0#1 := ticketlock_release_#t~ret762#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5397-4: ticketlock_release_#t~ret762#1 := vatomic32_read_rlx_#res#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928: havoc vatomic32_cmpxchg_#t~ret450#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-11: vatomic32_read_~tmp~2#1 := vatomic32_read_#t~mem432#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5398: assume { :end_inline_vatomic32_write_rel } true;havoc ticketlock_release_#t~ret762#1, ticketlock_release_~l#1.base, ticketlock_release_~l#1.offset, ticketlock_release_~owner~0#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-10: havoc vatomic32_read_#t~mem432#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-2: havoc vatomic32_cmpxchg_#t~ret448#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-13: SUMMARY for call vatomic32_read_#t~mem432#1 := read~int#1(vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-1: havoc vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-12: [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5398-3: assume { :begin_inline_vatomic32_write_rel } true;vatomic32_write_rel_#in~a#1.base, vatomic32_write_rel_#in~a#1.offset, vatomic32_write_rel_#in~v#1 := ticketlock_release_~l#1.base, 4 + ticketlock_release_~l#1.offset, 1 + ticketlock_release_~owner~0#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-4: havoc vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-3: havoc vatomic32_cmpxchg_#t~ret450#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-14: [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5398-1: havoc vatomic32_write_rel_#in~a#1.base, vatomic32_write_rel_#in~a#1.offset, vatomic32_write_rel_#in~v#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-6: [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5398-2: havoc vatomic32_write_rel_~a#1.base, vatomic32_write_rel_~a#1.offset, vatomic32_write_rel_~v#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-5: havoc vatomic32_cmpxchg_#t~ret448#1; [2025-02-08 14:15:33,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-8: assume 0 != vatomic32_cmpxchg_#t~ret448#1 % 256; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-8: assume !(0 != vatomic32_cmpxchg_#t~ret448#1 % 256); [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-7: SUMMARY for call write~int#1(vatomic32_cmpxchg_~v#1, vatomic32_cmpxchg_~a#1.base, vatomic32_cmpxchg_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-10: vatomic32_cmpxchg_#t~ret448#1 := (if vatomic32_cmpxchg_#t~mem449#1 == vatomic32_cmpxchg_#t~ret450#1 then 1 else 0); [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-9: vatomic32_cmpxchg_~exp~2#1 := vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-12: SUMMARY for call vatomic32_cmpxchg_#t~mem449#1 := read~int#1(vatomic32_cmpxchg_~a#1.base, vatomic32_cmpxchg_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-11: vatomic32_cmpxchg_#t~ret450#1 := vatomic32_cmpxchg_~exp~2#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-13: [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1897: vatomic32_write_rel_~v#1 := vatomic32_write_rel_#in~v#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1897-1: vatomic32_write_rel_~a#1.base, vatomic32_write_rel_~a#1.offset := vatomic32_write_rel_#in~a#1.base, vatomic32_write_rel_#in~a#1.offset; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-1: havoc verification_spin_end_#in~v#1;assume { :end_inline_verification_spin_end } true; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-4: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 0; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-5: havoc acquire_#t~ite780#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4838: vatomic32_await_eq_~ret~0#1 := vatomic32_await_eq_~c#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-2: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-3: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-8: havoc acquire_#t~ret779#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-9: havoc acquire_#t~ret779#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-6: havoc acquire_#t~ite780#1; [2025-02-08 14:15:33,417 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-7: assume 0 != acquire_#t~ite780#1; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-7: assume !(0 != acquire_#t~ite780#1); [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-12: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3781-5: vatomic32_read_#res#1 := vatomic32_read_~tmp~2#1; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-13: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-10: assume { :end_inline_verification_spin_end } true;acquire_#t~ite780#1 := 0; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-11: havoc verification_spin_end_#in~v#1; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-16: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 1; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-17: havoc ticketlock_tryacquire_#in~l#1.base, ticketlock_tryacquire_#in~l#1.offset;assume { :end_inline_ticketlock_tryacquire } true; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-14: assume 0 == acquire_#t~ret779#1 % 256; [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-14: assume !(0 == acquire_#t~ret779#1 % 256); [2025-02-08 14:15:33,418 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-15: acquire_#t~ite780#1 := 1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-18: havoc ticketlock_tryacquire_#t~ret760#1, ticketlock_tryacquire_#t~ret761#1, ticketlock_tryacquire_~l#1.base, ticketlock_tryacquire_~l#1.offset, ticketlock_tryacquire_~o~8#1, ticketlock_tryacquire_~n~0#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6027-19: acquire_#t~ret779#1 := ticketlock_tryacquire_#res#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4839: vatomic32_await_eq_~o~5#1 := 0;assume { :begin_inline_verification_loop_begin } true;assume { :end_inline_verification_loop_begin } true; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-1: assume { :end_inline_vatomic32_get_inc_rlx } true;ticketlock_acquire_~ticket~0#1 := ticketlock_acquire_#t~ret758#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-2: havoc vatomic32_get_inc_rlx_#in~a#1.base, vatomic32_get_inc_rlx_#in~a#1.offset; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384: havoc ticketlock_acquire_#t~ret758#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-3: havoc vatomic32_get_inc_rlx_#t~ret156#1, vatomic32_get_inc_rlx_~a#1.base, vatomic32_get_inc_rlx_~a#1.offset; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-4: ticketlock_acquire_#t~ret758#1 := vatomic32_get_inc_rlx_#res#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3931-1: vatomic32_cmpxchg_#res#1 := vatomic32_cmpxchg_~exp~2#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1900: assume { :end_inline_vatomic32_write } true;havoc vatomic32_write_rel_~a#1.base, vatomic32_write_rel_~a#1.offset, vatomic32_write_rel_~v#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1900-1: havoc vatomic32_write_#in~a#1.base, vatomic32_write_#in~a#1.offset, vatomic32_write_#in~v#1; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6029: havoc ticketlock_acquire_#in~l#1.base, ticketlock_acquire_#in~l#1.offset;assume { :end_inline_ticketlock_acquire } true; [2025-02-08 14:15:33,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1900-2: havoc vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, vatomic32_write_~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6029-1: havoc ticketlock_acquire_#t~ret758#1, ticketlock_acquire_#t~ret759#1, ticketlock_acquire_~l#1.base, ticketlock_acquire_~l#1.offset, ticketlock_acquire_~ticket~0#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1900-3: havoc vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, vatomic32_write_~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-2: havoc vatomic32_await_eq_acq_#t~ret174#1, vatomic32_await_eq_acq_~a#1.base, vatomic32_await_eq_acq_~a#1.offset, vatomic32_await_eq_acq_~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-1: havoc verification_spin_end_#in~v#1;assume { :end_inline_verification_spin_end } true; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1900-4: assume { :begin_inline_vatomic32_write } true;vatomic32_write_#in~a#1.base, vatomic32_write_#in~a#1.offset, vatomic32_write_#in~v#1 := vatomic32_write_rel_~a#1.base, vatomic32_write_rel_~a#1.offset, vatomic32_write_rel_~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-3: ticketlock_acquire_#t~ret759#1 := vatomic32_await_eq_acq_#res#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-2: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385: assume { :end_inline_vatomic32_await_eq_acq } true;havoc ticketlock_acquire_#t~ret759#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-1: havoc vatomic32_await_eq_acq_#in~a#1.base, vatomic32_await_eq_acq_#in~a#1.offset, vatomic32_await_eq_acq_#in~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840: assume true;assume { :begin_inline_verification_spin_start } true;assume { :end_inline_verification_spin_start } true;assume { :begin_inline_vatomic32_read } true;vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset := vatomic32_await_eq_~a#1.base, vatomic32_await_eq_~a#1.offset; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840: assume !true; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-5: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-6: assume { :begin_inline_vatomic32_await_eq_acq } true;vatomic32_await_eq_acq_#in~a#1.base, vatomic32_await_eq_acq_#in~a#1.offset, vatomic32_await_eq_acq_#in~v#1 := ticketlock_acquire_~l#1.base, 4 + ticketlock_acquire_~l#1.offset, ticketlock_acquire_~ticket~0#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-6: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-3: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-4: havoc vatomic32_await_eq_acq_#t~ret174#1, vatomic32_await_eq_acq_~a#1.base, vatomic32_await_eq_acq_~a#1.offset, vatomic32_await_eq_acq_~v#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-4: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 0; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-5: havoc vatomic32_await_eq_acq_#res#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115: havoc vatomic32_get_inc_rlx_#t~ret156#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-9: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-3: assume { :end_inline_vatomic32_get_inc } true;vatomic32_get_inc_rlx_#res#1 := vatomic32_get_inc_rlx_#t~ret156#1; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-10: assume { :end_inline_verification_spin_end } true;vatomic32_await_eq_#t~ite637#1 := 0; [2025-02-08 14:15:33,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-2: havoc vatomic32_get_inc_rlx_#t~ret156#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume 0 != vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume !(0 != vatomic32_await_eq_#t~ite637#1); [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-5: havoc vatomic32_get_inc_#t~ret577#1, vatomic32_get_inc_~a#1.base, vatomic32_get_inc_~a#1.offset; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-8: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-4: havoc vatomic32_get_inc_#in~a#1.base, vatomic32_get_inc_#in~a#1.offset; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917: vatomic32_cmpxchg_rlx_~v#1 := vatomic32_cmpxchg_rlx_#in~v#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-13: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917-1: vatomic32_cmpxchg_rlx_~e#1 := vatomic32_cmpxchg_rlx_#in~e#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-14: assume vatomic32_await_eq_~o~5#1 % 4294967296 != vatomic32_await_eq_~c#1 % 4294967296; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-14: assume !(vatomic32_await_eq_~o~5#1 % 4294967296 != vatomic32_await_eq_~c#1 % 4294967296); [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-6: vatomic32_get_inc_rlx_#t~ret156#1 := vatomic32_get_inc_#res#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917-2: vatomic32_cmpxchg_rlx_~a#1.base, vatomic32_cmpxchg_rlx_~a#1.offset := vatomic32_cmpxchg_rlx_#in~a#1.base, vatomic32_cmpxchg_rlx_#in~a#1.offset; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-11: havoc verification_spin_end_#in~v#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-12: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-17: assume { :end_inline_vatomic32_read } true;vatomic32_await_eq_~o~5#1 := vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-18: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-15: vatomic32_await_eq_#t~ite637#1 := 1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-16: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-21: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-22: havoc vatomic32_read_#res#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-19: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-20: vatomic32_await_eq_#t~ret636#1 := vatomic32_read_#res#1; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume true; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume !true; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume false; [2025-02-08 14:15:33,421 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume !false; [2025-02-08 14:15:33,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6007: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-08 14:15:33,470 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6007-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-08 14:15:33,471 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 14:15:33,471 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:15:33,627 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:15:33,632 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:15:33,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:15:33 BoogieIcfgContainer [2025-02-08 14:15:33,632 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:15:33,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 14:15:33,637 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 14:15:33,645 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 14:15:33,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:15:30" (1/3) ... [2025-02-08 14:15:33,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cac4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:15:33, skipping insertion in model container [2025-02-08 14:15:33,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:32" (2/3) ... [2025-02-08 14:15:33,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cac4dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:15:33, skipping insertion in model container [2025-02-08 14:15:33,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:15:33" (3/3) ... [2025-02-08 14:15:33,647 INFO L128 eAbstractionObserver]: Analyzing ICFG ticketlock.i [2025-02-08 14:15:33,664 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 14:15:33,666 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ticketlock.i that has 2 procedures, 79 locations, 1 initial locations, 40 loop locations, and 6 error locations. [2025-02-08 14:15:33,666 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 14:15:33,776 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 14:15:33,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 82 places, 122 transitions, 251 flow [2025-02-08 14:15:33,859 INFO L124 PetriNetUnfolderBase]: 53/148 cut-off events. [2025-02-08 14:15:33,861 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 14:15:33,865 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 148 events. 53/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 446 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 104. Up to 6 conditions per place. [2025-02-08 14:15:33,866 INFO L82 GeneralOperation]: Start removeDead. Operand has 82 places, 122 transitions, 251 flow [2025-02-08 14:15:33,870 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 120 transitions, 244 flow [2025-02-08 14:15:33,880 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:33,891 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;@4a75239a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:33,891 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-02-08 14:15:33,903 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:33,903 INFO L124 PetriNetUnfolderBase]: 14/43 cut-off events. [2025-02-08 14:15:33,903 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:15:33,903 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:33,906 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:33,906 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2025-02-08 14:15:33,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:33,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2109756258, now seen corresponding path program 1 times [2025-02-08 14:15:33,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:33,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074144175] [2025-02-08 14:15:33,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:33,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:34,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 14:15:34,084 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:15:34,085 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:34,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:15:34,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:34,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074144175] [2025-02-08 14:15:34,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074144175] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:34,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:34,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:34,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064650207] [2025-02-08 14:15:34,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:34,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:34,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:34,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:34,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:34,173 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 122 [2025-02-08 14:15:34,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 120 transitions, 244 flow. Second operand has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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) [2025-02-08 14:15:34,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:34,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 122 [2025-02-08 14:15:34,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:15:34,337 INFO L124 PetriNetUnfolderBase]: 181/658 cut-off events. [2025-02-08 14:15:34,338 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:15:34,339 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1054 conditions, 658 events. 181/658 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3541 event pairs, 171 based on Foata normal form. 393/960 useless extension candidates. Maximal degree in co-relation 1010. Up to 392 conditions per place. [2025-02-08 14:15:34,341 INFO L140 encePairwiseOnDemand]: 81/122 looper letters, 32 selfloop transitions, 0 changer transitions 0/75 dead transitions. [2025-02-08 14:15:34,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 75 transitions, 218 flow [2025-02-08 14:15:34,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:15:34,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 14:15:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 165 transitions. [2025-02-08 14:15:34,353 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6762295081967213 [2025-02-08 14:15:34,354 INFO L175 Difference]: Start difference. First operand has 81 places, 120 transitions, 244 flow. Second operand 2 states and 165 transitions. [2025-02-08 14:15:34,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 75 transitions, 218 flow [2025-02-08 14:15:34,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 75 transitions, 218 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 14:15:34,359 INFO L231 Difference]: Finished difference. Result has 78 places, 75 transitions, 154 flow [2025-02-08 14:15:34,361 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=154, PETRI_PLACES=78, PETRI_TRANSITIONS=75} [2025-02-08 14:15:34,363 INFO L279 CegarLoopForPetriNet]: 81 programPoint places, -3 predicate places. [2025-02-08 14:15:34,363 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 75 transitions, 154 flow [2025-02-08 14:15:34,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 49.0) internal successors, (98), 2 states have internal predecessors, (98), 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) [2025-02-08 14:15:34,363 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:34,363 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:34,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 14:15:34,363 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2025-02-08 14:15:34,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:34,364 INFO L85 PathProgramCache]: Analyzing trace with hash -280995411, now seen corresponding path program 1 times [2025-02-08 14:15:34,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:34,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790746773] [2025-02-08 14:15:34,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:34,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:34,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:15:34,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:15:34,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:34,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:34,389 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:15:34,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:15:34,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:15:34,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:34,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:34,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:15:34,423 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 14:15:34,423 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2025-02-08 14:15:34,425 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2025-02-08 14:15:34,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 14:15:34,426 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 14:15:34,427 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 14:15:34,427 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 14:15:34,498 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 14:15:34,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 201 transitions, 418 flow [2025-02-08 14:15:34,523 INFO L124 PetriNetUnfolderBase]: 95/269 cut-off events. [2025-02-08 14:15:34,524 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-08 14:15:34,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 269 events. 95/269 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1064 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 195. Up to 12 conditions per place. [2025-02-08 14:15:34,526 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 201 transitions, 418 flow [2025-02-08 14:15:34,529 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 201 transitions, 418 flow [2025-02-08 14:15:34,530 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:34,531 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;@4a75239a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:34,531 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-08 14:15:34,538 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:34,538 INFO L124 PetriNetUnfolderBase]: 30/89 cut-off events. [2025-02-08 14:15:34,538 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 14:15:34,538 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:34,538 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:34,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-02-08 14:15:34,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:34,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1401529942, now seen corresponding path program 1 times [2025-02-08 14:15:34,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:34,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011468141] [2025-02-08 14:15:34,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:34,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:34,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 14:15:34,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 14:15:34,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:34,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:15:34,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:34,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011468141] [2025-02-08 14:15:34,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011468141] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:34,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:34,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:34,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483561466] [2025-02-08 14:15:34,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:34,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:34,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:34,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:34,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:34,576 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 201 [2025-02-08 14:15:34,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 201 transitions, 418 flow. Second operand has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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) [2025-02-08 14:15:34,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:34,577 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 201 [2025-02-08 14:15:34,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:15:36,152 INFO L124 PetriNetUnfolderBase]: 7983/17611 cut-off events. [2025-02-08 14:15:36,152 INFO L125 PetriNetUnfolderBase]: For 161/161 co-relation queries the response was YES. [2025-02-08 14:15:36,177 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30073 conditions, 17611 events. 7983/17611 cut-off events. For 161/161 co-relation queries the response was YES. Maximal size of possible extension queue 524. Compared 163535 event pairs, 7543 based on Foata normal form. 12465/27237 useless extension candidates. Maximal degree in co-relation 25917. Up to 12355 conditions per place. [2025-02-08 14:15:36,229 INFO L140 encePairwiseOnDemand]: 135/201 looper letters, 56 selfloop transitions, 0 changer transitions 0/127 dead transitions. [2025-02-08 14:15:36,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 127 transitions, 382 flow [2025-02-08 14:15:36,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:15:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 14:15:36,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 276 transitions. [2025-02-08 14:15:36,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6865671641791045 [2025-02-08 14:15:36,234 INFO L175 Difference]: Start difference. First operand has 136 places, 201 transitions, 418 flow. Second operand 2 states and 276 transitions. [2025-02-08 14:15:36,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 127 transitions, 382 flow [2025-02-08 14:15:36,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 127 transitions, 382 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 14:15:36,238 INFO L231 Difference]: Finished difference. Result has 129 places, 127 transitions, 270 flow [2025-02-08 14:15:36,240 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=201, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=270, PETRI_PLACES=129, PETRI_TRANSITIONS=127} [2025-02-08 14:15:36,240 INFO L279 CegarLoopForPetriNet]: 136 programPoint places, -7 predicate places. [2025-02-08 14:15:36,240 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 127 transitions, 270 flow [2025-02-08 14:15:36,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 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) [2025-02-08 14:15:36,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:36,241 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:36,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 14:15:36,241 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-02-08 14:15:36,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:36,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1003365886, now seen corresponding path program 1 times [2025-02-08 14:15:36,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:36,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341000436] [2025-02-08 14:15:36,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:36,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:36,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:15:36,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:15:36,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:36,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:36,295 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:15:36,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:15:36,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:15:36,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:36,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:36,338 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:15:36,341 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 14:15:36,341 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2025-02-08 14:15:36,341 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2025-02-08 14:15:36,341 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2025-02-08 14:15:36,341 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2025-02-08 14:15:36,341 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2025-02-08 14:15:36,342 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2025-02-08 14:15:36,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 14:15:36,342 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 14:15:36,343 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 14:15:36,343 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 14:15:36,437 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 14:15:36,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 280 transitions, 587 flow [2025-02-08 14:15:36,479 INFO L124 PetriNetUnfolderBase]: 148/419 cut-off events. [2025-02-08 14:15:36,480 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-02-08 14:15:36,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 444 conditions, 419 events. 148/419 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1877 event pairs, 1 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 302. Up to 24 conditions per place. [2025-02-08 14:15:36,483 INFO L82 GeneralOperation]: Start removeDead. Operand has 190 places, 280 transitions, 587 flow [2025-02-08 14:15:36,490 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 280 transitions, 587 flow [2025-02-08 14:15:36,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:36,494 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;@4a75239a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:36,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-02-08 14:15:36,506 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:36,506 INFO L124 PetriNetUnfolderBase]: 54/160 cut-off events. [2025-02-08 14:15:36,506 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-08 14:15:36,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:36,506 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:36,506 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] === [2025-02-08 14:15:36,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:36,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1269648543, now seen corresponding path program 1 times [2025-02-08 14:15:36,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:36,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248512471] [2025-02-08 14:15:36,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:36,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:36,530 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 14:15:36,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 14:15:36,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:36,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:15:36,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:36,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248512471] [2025-02-08 14:15:36,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248512471] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:36,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:36,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:36,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997341856] [2025-02-08 14:15:36,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:36,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:36,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:36,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:36,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:36,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 280 [2025-02-08 14:15:36,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 280 transitions, 587 flow. Second operand has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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) [2025-02-08 14:15:36,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:36,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 280 [2025-02-08 14:15:36,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand