./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/libvsync/rec_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/rec_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 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:15:26,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:15:26,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 14:15:26,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:15:26,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:15:26,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:15:26,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:15:26,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:15:26,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:15:26,259 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:15:26,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 14:15:26,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 14:15:26,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:15:26,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:15:26,260 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:15:26,261 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 14:15:26,261 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 14:15:26,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:15:26,262 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:15:26,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:15:26,262 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:15:26,262 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:15:26,262 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:15:26,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:15:26,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:15:26,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 14:15:26,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 14:15:26,264 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 -> 26fb157b5325eaa996338c8b5885df439eefd4a5361a0a1d7cce4088ff8240ef [2025-02-08 14:15:26,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:15:26,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:15:26,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:15:26,523 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:15:26,523 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:15:26,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_ticketlock.i [2025-02-08 14:15:27,714 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e87f2d6c4/30f339652efe4a52adb6f2e3e70839af/FLAG3adc6f8e9 [2025-02-08 14:15:28,091 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:15:28,092 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/rec_ticketlock.i [2025-02-08 14:15:28,120 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e87f2d6c4/30f339652efe4a52adb6f2e3e70839af/FLAG3adc6f8e9 [2025-02-08 14:15:28,131 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e87f2d6c4/30f339652efe4a52adb6f2e3e70839af [2025-02-08 14:15:28,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:15:28,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:15:28,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:15:28,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:15:28,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:15:28,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:15:28" (1/1) ... [2025-02-08 14:15:28,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7598651c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:28, skipping insertion in model container [2025-02-08 14:15:28,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:15:28" (1/1) ... [2025-02-08 14:15:28,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:15:29,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:15:29,917 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:15:29,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-02-08 14:15:30,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-02-08 14:15:30,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-02-08 14:15:30,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-02-08 14:15:30,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-02-08 14:15:30,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-02-08 14:15:30,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-02-08 14:15:30,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-02-08 14:15:30,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-02-08 14:15:30,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-02-08 14:15:30,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-02-08 14:15:30,004 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-02-08 14:15:30,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-02-08 14:15:30,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-02-08 14:15:30,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-02-08 14:15:30,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-02-08 14:15:30,005 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-02-08 14:15:30,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-02-08 14:15:30,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-02-08 14:15:30,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-02-08 14:15:30,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-02-08 14:15:30,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-02-08 14:15:30,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-02-08 14:15:30,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-02-08 14:15:30,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-02-08 14:15:30,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-02-08 14:15:30,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-02-08 14:15:30,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-02-08 14:15:30,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-02-08 14:15:30,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-02-08 14:15:30,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-02-08 14:15:30,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-02-08 14:15:30,015 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-02-08 14:15:30,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-02-08 14:15:30,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-02-08 14:15:30,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-02-08 14:15:30,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-02-08 14:15:30,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-02-08 14:15:30,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-02-08 14:15:30,018 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-02-08 14:15:30,019 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-02-08 14:15:30,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-02-08 14:15:30,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-02-08 14:15:30,020 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-02-08 14:15:30,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-02-08 14:15:30,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-02-08 14:15:30,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-02-08 14:15:30,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-02-08 14:15:30,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-02-08 14:15:30,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-02-08 14:15:30,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-02-08 14:15:30,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-02-08 14:15:30,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-02-08 14:15:30,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-02-08 14:15:30,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-02-08 14:15:30,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-02-08 14:15:30,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-02-08 14:15:30,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-02-08 14:15:30,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-02-08 14:15:30,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-02-08 14:15:30,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-02-08 14:15:30,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-02-08 14:15:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-02-08 14:15:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-02-08 14:15:30,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-02-08 14:15:30,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-02-08 14:15:30,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-02-08 14:15:30,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-02-08 14:15:30,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-02-08 14:15:30,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-02-08 14:15:30,031 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-02-08 14:15:30,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-02-08 14:15:30,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-02-08 14:15:30,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-02-08 14:15:30,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-02-08 14:15:30,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-02-08 14:15:30,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-02-08 14:15:30,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-02-08 14:15:30,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-02-08 14:15:30,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-02-08 14:15:30,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-02-08 14:15:30,035 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-02-08 14:15:30,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-02-08 14:15:30,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-02-08 14:15:30,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-02-08 14:15:30,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-02-08 14:15:30,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-02-08 14:15:30,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-02-08 14:15:30,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-02-08 14:15:30,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-02-08 14:15:30,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-02-08 14:15:30,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-02-08 14:15:30,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-02-08 14:15:30,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-02-08 14:15:30,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-02-08 14:15:30,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-02-08 14:15:30,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-02-08 14:15:30,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-02-08 14:15:30,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-02-08 14:15:30,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-02-08 14:15:30,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:15:30,273 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:15:30,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30 WrapperNode [2025-02-08 14:15:30,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:15:30,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:15:30,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:15:30,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:15:30,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,369 INFO L138 Inliner]: procedures = 923, calls = 949, calls flagged for inlining = 838, calls inlined = 57, statements flattened = 487 [2025-02-08 14:15:30,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:15:30,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:15:30,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:15:30,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:15:30,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,378 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,411 INFO L175 MemorySlicer]: Split 28 memory accesses to 3 slices as follows [2, 2, 24]. 86 percent of accesses are in the largest equivalence class. The 6 initializations are split as follows [2, 0, 4]. The 10 writes are split as follows [0, 1, 9]. [2025-02-08 14:15:30,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,425 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:15:30,442 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:15:30,442 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:15:30,442 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:15:30,443 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (1/1) ... [2025-02-08 14:15:30,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:15:30,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:15:30,469 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 14:15:30,474 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 14:15:30,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:15:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-02-08 14:15:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:15:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:15:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:15:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:15:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:15:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:15:30,495 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 14:15:30,616 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:15:30,618 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:15:31,083 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,083 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-2: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,083 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 14:15:31,084 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 14:15:31,084 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 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-6: vatomic32_read_rlx_#t~ret112#1 := vatomic32_read_#res#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-10: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-12: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-13: assume { :end_inline_vatomic32_read } true;vatomic32_read_rlx_#res#1 := vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-14: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-15: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: ticketlock_tryacquire_~l#1.base, ticketlock_tryacquire_~l#1.offset := ticketlock_tryacquire_#in~l#1.base, ticketlock_tryacquire_#in~l#1.offset; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-16: vatomic32_read_rlx_#t~ret112#1 := vatomic32_read_#res#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2282: vatomic32_await_eq_acq_~v#1 := vatomic32_await_eq_acq_#in~v#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420: havoc ticketlock_release_#in~l#1.base, ticketlock_release_#in~l#1.offset;assume { :end_inline_ticketlock_release } true; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-20: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,084 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 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-22: havoc vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-23: assume { :end_inline_vatomic32_read } true;vatomic32_read_rlx_#res#1 := vatomic32_read_rlx_#t~ret112#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-24: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-25: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-26: vatomic32_read_rlx_#t~ret112#1 := vatomic32_read_#res#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-17: assume { :end_inline_vatomic32_write_rlx } true;rec_ticketlock_tryacquire_#res#1 := 1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-18: havoc vatomic32_write_rlx_#in~a#1.base, vatomic32_write_rlx_#in~a#1.offset, vatomic32_write_rlx_#in~v#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-22: rec_ticketlock_tryacquire_#res#1 := 0; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-19: havoc vatomic32_write_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset, vatomic32_write_rlx_~v#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-20: assume { :begin_inline_vatomic32_write_rlx } true;vatomic32_write_rlx_#in~a#1.base, vatomic32_write_rlx_#in~a#1.offset, vatomic32_write_rlx_#in~v#1 := rec_ticketlock_tryacquire_~l#1.base, 8 + rec_ticketlock_tryacquire_~l#1.offset, rec_ticketlock_tryacquire_~id#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-25: havoc rec_ticketlock_tryacquire_#t~ret775#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-1: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-26: havoc ##fun~$Pointer$~TO~~vbool_t~0_#in~l#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#in~l#1.offset, ##fun~$Pointer$~TO~~vbool_t~0_#in~#fp#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#in~#fp#1.offset;assume { :end_inline_##fun~$Pointer$~TO~~vbool_t~0 } true; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-23: assume 0 == rec_ticketlock_tryacquire_#t~ret775#1 % 256; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-23: assume !(0 == rec_ticketlock_tryacquire_#t~ret775#1 % 256); [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-2: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:31,084 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-24: havoc rec_ticketlock_tryacquire_#t~ret775#1; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-3: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-29: havoc ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.offset, ##fun~$Pointer$~TO~~vbool_t~0_#t~ret792#1; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-30: havoc ##fun~$Pointer$~TO~~vbool_t~0_#res#1; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-27: havoc ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.offset, ##fun~$Pointer$~TO~~vbool_t~0_#t~ret792#1; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-28: rec_ticketlock_tryacquire_#t~ret775#1 := ##fun~$Pointer$~TO~~vbool_t~0_#res#1; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-33: assume 4294967295 != rec_ticketlock_tryacquire_~owner~1#1 % 4294967296; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-33: assume !(4294967295 != rec_ticketlock_tryacquire_~owner~1#1 % 4294967296); [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-34: rec_ticketlock_tryacquire_#res#1 := 0; [2025-02-08 14:15:31,085 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-31: assume { :begin_inline_##fun~$Pointer$~TO~~vbool_t~0 } true;##fun~$Pointer$~TO~~vbool_t~0_#in~l#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#in~l#1.offset, ##fun~$Pointer$~TO~~vbool_t~0_#in~#fp#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#in~#fp#1.offset := rec_ticketlock_tryacquire_~l#1.base, rec_ticketlock_tryacquire_~l#1.offset, #funAddr~ticketlock_tryacquire.base, #funAddr~ticketlock_tryacquire.offset; [2025-02-08 14:15:31,091 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-37: havoc rec_ticketlock_tryacquire_#t~post774#1; [2025-02-08 14:15:31,091 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-38: havoc rec_ticketlock_tryacquire_#t~mem773#1; [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-36: rec_ticketlock_tryacquire_#res#1 := 1; [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-41: SUMMARY for call rec_ticketlock_tryacquire_#t~mem773#1 := read~int#2(rec_ticketlock_tryacquire_~l#1.base, 12 + rec_ticketlock_tryacquire_~l#1.offset, 4); srcloc: null [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-42: assume rec_ticketlock_tryacquire_~owner~1#1 % 4294967296 == rec_ticketlock_tryacquire_~id#1 % 4294967296; [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-42: assume !(rec_ticketlock_tryacquire_~owner~1#1 % 4294967296 == rec_ticketlock_tryacquire_~id#1 % 4294967296); [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-39: SUMMARY for call write~int#2(1 + rec_ticketlock_tryacquire_#t~post774#1, rec_ticketlock_tryacquire_~l#1.base, 12 + rec_ticketlock_tryacquire_~l#1.offset, 4); srcloc: null [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-40: rec_ticketlock_tryacquire_#t~post774#1 := rec_ticketlock_tryacquire_#t~mem773#1; [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-45: havoc reach_error_#t~nondet765#1.base, reach_error_#t~nondet765#1.offset;assume { :end_inline_reach_error } true; [2025-02-08 14:15:31,092 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-46: assume !(4294967295 != rec_ticketlock_tryacquire_~id#1 % 4294967296 && (4 != 0 || 0 != 0)); [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-46: assume !!(4294967295 != rec_ticketlock_tryacquire_~id#1 % 4294967296 && (4 != 0 || 0 != 0)); [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1887: vatomic32_read_acq_~a#1.base, vatomic32_read_acq_~a#1.offset := vatomic32_read_acq_#in~a#1.base, vatomic32_read_acq_#in~a#1.offset; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-43: assume true; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-43: assume !true; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-2: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-44: assume false; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-44: assume !false; [2025-02-08 14:15:31,093 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 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-49: assume { :end_inline_vatomic32_read_rlx } true;rec_ticketlock_tryacquire_~owner~1#1 := rec_ticketlock_tryacquire_#t~ret772#1; [2025-02-08 14:15:31,093 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 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-50: havoc vatomic32_read_rlx_#in~a#1.base, vatomic32_read_rlx_#in~a#1.offset; [2025-02-08 14:15:31,093 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 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-47: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet765#1.base, reach_error_#t~nondet765#1.offset; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-6: vatomic32_cmpxchg_rlx_#t~ret117#1 := vatomic32_cmpxchg_#res#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-48: havoc rec_ticketlock_tryacquire_#t~ret772#1; [2025-02-08 14:15:31,093 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 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920-8: havoc vatomic32_cmpxchg_#res#1; [2025-02-08 14:15:31,093 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 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-51: havoc vatomic32_read_rlx_#t~ret112#1, vatomic32_read_rlx_~a#1.base, vatomic32_read_rlx_~a#1.offset; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-52: rec_ticketlock_tryacquire_#t~ret772#1 := vatomic32_read_rlx_#res#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-58: assume { :end_inline_vatomic32_write_rlx } true;havoc rec_ticketlock_acquire_#t~ret769#1, rec_ticketlock_acquire_#t~mem770#1, rec_ticketlock_acquire_#t~post771#1, rec_ticketlock_acquire_~l#1.base, rec_ticketlock_acquire_~l#1.offset, rec_ticketlock_acquire_~id#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-61: assume { :end_inline_ticketlock_acquire } true;assume { :begin_inline_vatomic32_write_rlx } true;vatomic32_write_rlx_#in~a#1.base, vatomic32_write_rlx_#in~a#1.offset, vatomic32_write_rlx_#in~v#1 := rec_ticketlock_acquire_~l#1.base, 8 + rec_ticketlock_acquire_~l#1.offset, rec_ticketlock_acquire_~id#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-62: havoc ticketlock_acquire_#in~l#1.base, ticketlock_acquire_#in~l#1.offset; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-59: havoc vatomic32_write_rlx_#in~a#1.base, vatomic32_write_rlx_#in~a#1.offset, vatomic32_write_rlx_#in~v#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-60: havoc vatomic32_write_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset, vatomic32_write_rlx_~v#1; [2025-02-08 14:15:31,093 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-65: assume { :begin_inline_ticketlock_acquire } true;ticketlock_acquire_#in~l#1.base, ticketlock_acquire_#in~l#1.offset := rec_ticketlock_acquire_~l#1.base, rec_ticketlock_acquire_~l#1.offset; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-63: 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 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-64: 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 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-69: SUMMARY for call write~int#2(1 + rec_ticketlock_acquire_#t~post771#1, rec_ticketlock_acquire_~l#1.base, 12 + rec_ticketlock_acquire_~l#1.offset, 4); srcloc: null [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-70: rec_ticketlock_acquire_#t~post771#1 := rec_ticketlock_acquire_#t~mem770#1; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-67: havoc rec_ticketlock_acquire_#t~post771#1; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-68: havoc rec_ticketlock_acquire_#t~mem770#1; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-73: havoc rec_ticketlock_acquire_#t~ret769#1; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-74: havoc rec_ticketlock_acquire_#t~ret769#1; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-71: SUMMARY for call rec_ticketlock_acquire_#t~mem770#1 := read~int#2(rec_ticketlock_acquire_~l#1.base, 12 + rec_ticketlock_acquire_~l#1.offset, 4); srcloc: null [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-72: assume rec_ticketlock_acquire_#t~ret769#1 == rec_ticketlock_acquire_~id#1; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-72: assume !(rec_ticketlock_acquire_#t~ret769#1 == rec_ticketlock_acquire_~id#1); [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-77: rec_ticketlock_acquire_#t~ret769#1 := vatomic32_read_rlx_#res#1; [2025-02-08 14:15:31,094 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-75: havoc vatomic32_read_rlx_#in~a#1.base, vatomic32_read_rlx_#in~a#1.offset;assume { :end_inline_vatomic32_read_rlx } true; [2025-02-08 14:15:31,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5420-76: havoc vatomic32_read_rlx_#t~ret112#1, vatomic32_read_rlx_~a#1.base, vatomic32_read_rlx_~a#1.offset; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390: havoc ticketlock_tryacquire_#t~ret760#1; [2025-02-08 14:15:31,102 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 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-4: ticketlock_tryacquire_#t~ret760#1 := vatomic32_read_acq_#res#1; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285: havoc vatomic32_await_eq_acq_#t~ret174#1; [2025-02-08 14:15:31,102 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 14:15:31,102 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 14:15:31,102 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 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-2: havoc vatomic32_await_eq_acq_#t~ret174#1; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-7: assume { :begin_inline_vatomic32_read_acq } true;vatomic32_read_acq_#in~a#1.base, vatomic32_read_acq_#in~a#1.offset := ticketlock_tryacquire_~l#1.base, 4 + ticketlock_tryacquire_~l#1.offset; [2025-02-08 14:15:31,102 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 14:15:31,102 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 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-5: havoc vatomic32_read_acq_#t~ret113#1, vatomic32_read_acq_~a#1.base, vatomic32_read_acq_~a#1.offset; [2025-02-08 14:15:31,102 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 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5390-6: havoc vatomic32_read_acq_#res#1; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-6: vatomic32_await_eq_acq_#t~ret174#1 := vatomic32_await_eq_#res#1; [2025-02-08 14:15:31,102 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 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2285-8: havoc vatomic32_await_eq_#res#1; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume true; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume !true; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume false; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume !false; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume true; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume !true; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume false; [2025-02-08 14:15:31,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume !false; [2025-02-08 14:15:31,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume true; [2025-02-08 14:15:31,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume !true; [2025-02-08 14:15:31,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume false; [2025-02-08 14:15:31,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume !false; [2025-02-08 14:15:31,107 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume !true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume !false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391: havoc ticketlock_tryacquire_#t~ret761#1; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume !true; [2025-02-08 14:15:31,108 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 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume !false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume !true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume !false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-4: ticketlock_tryacquire_#t~ret761#1 := vatomic32_cmpxchg_rlx_#res#1; [2025-02-08 14:15:31,108 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 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume !true; [2025-02-08 14:15:31,108 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 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume !false; [2025-02-08 14:15:31,108 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 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume !true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume !false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume !true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5391-6: havoc vatomic32_cmpxchg_rlx_#res#1; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume !false; [2025-02-08 14:15:31,108 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 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume !true; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume !false; [2025-02-08 14:15:31,108 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume true; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume !true; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume false; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume !false; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume true; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume !true; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume false; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume !false; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-2: havoc vatomic32_read_acq_#t~ret113#1; [2025-02-08 14:15:31,109 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 14:15:31,109 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 14:15:31,109 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 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-6: vatomic32_read_acq_#t~ret113#1 := vatomic32_read_#res#1; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-7: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-8: havoc vatomic32_read_#res#1; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-9: assume { :begin_inline_vatomic32_read } true;vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset := vatomic32_read_acq_~a#1.base, vatomic32_read_acq_~a#1.offset; [2025-02-08 14:15:31,109 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 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1892-2: vatomic32_write_rlx_~v#1 := vatomic32_write_rlx_#in~v#1; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1892-3: vatomic32_write_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset := vatomic32_write_rlx_#in~a#1.base, vatomic32_write_rlx_#in~a#1.offset; [2025-02-08 14:15:31,109 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1892-4: vatomic32_write_rlx_~v#1 := vatomic32_write_rlx_#in~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775-1: 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 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1892-5: vatomic32_write_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset := vatomic32_write_rlx_#in~a#1.base, vatomic32_write_rlx_#in~a#1.offset; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775-3: 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 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4835: vatomic32_await_eq_~c#1 := vatomic32_await_eq_#in~c#1; [2025-02-08 14:15:31,110 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 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-5: assume { :end_inline_vatomic32_write } true;havoc vatomic32_write_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset, vatomic32_write_rlx_~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-6: havoc vatomic32_write_#in~a#1.base, vatomic32_write_#in~a#1.offset, vatomic32_write_#in~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-7: havoc vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, vatomic32_write_~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-8: havoc vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, vatomic32_write_~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-9: 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_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset, vatomic32_write_rlx_~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-10: assume { :end_inline_vatomic32_write } true;havoc vatomic32_write_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset, vatomic32_write_rlx_~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-11: havoc vatomic32_write_#in~a#1.base, vatomic32_write_#in~a#1.offset, vatomic32_write_#in~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-12: havoc vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, vatomic32_write_~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-13: havoc vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, vatomic32_write_~v#1; [2025-02-08 14:15:31,110 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1895-14: 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_rlx_~a#1.base, vatomic32_write_rlx_~a#1.offset, vatomic32_write_rlx_~v#1; [2025-02-08 14:15:31,110 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 14:15:31,110 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 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5397: havoc ticketlock_release_#t~ret762#1; [2025-02-08 14:15:31,111 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 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5397-4: ticketlock_release_#t~ret762#1 := vatomic32_read_rlx_#res#1; [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-5: havoc vatomic32_read_#t~mem432#1; [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-7: [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-6: vatomic32_read_~tmp~2#1 := vatomic32_read_#t~mem432#1; [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-9: [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-8: SUMMARY for call vatomic32_read_#t~mem432#1 := read~int#2(vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,111 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 14:15:31,111 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 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-15: havoc vatomic32_read_#t~mem432#1; [2025-02-08 14:15:31,111 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 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-17: [2025-02-08 14:15:31,111 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 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-16: vatomic32_read_~tmp~2#1 := vatomic32_read_#t~mem432#1; [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-19: [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3779-18: SUMMARY for call vatomic32_read_#t~mem432#1 := read~int#2(vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1897: vatomic32_write_rel_~v#1 := vatomic32_write_rel_#in~v#1; [2025-02-08 14:15:31,111 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 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4838: vatomic32_await_eq_~ret~0#1 := vatomic32_await_eq_~c#1; [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3781-3: vatomic32_read_#res#1 := vatomic32_read_~tmp~2#1; [2025-02-08 14:15:31,111 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3781-7: vatomic32_read_#res#1 := vatomic32_read_~tmp~2#1; [2025-02-08 14:15:31,111 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 14:15:31,111 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 14:15:31,111 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 14:15:31,112 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 14:15:31,112 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 14:15:31,112 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 14:15:31,112 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 14:15:31,112 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-2: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,112 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 14:15:31,112 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840: assume !true; [2025-02-08 14:15:31,112 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-5: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:31,112 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-6: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-3: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,113 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 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-9: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:31,113 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 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume 0 != vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume !(0 != vatomic32_await_eq_#t~ite637#1); [2025-02-08 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-8: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-13: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,113 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 14:15:31,113 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 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-11: havoc verification_spin_end_#in~v#1; [2025-02-08 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-12: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,113 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 14:15:31,113 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 14:15:31,113 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-15: vatomic32_await_eq_#t~ite637#1 := 1; [2025-02-08 14:15:31,114 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 14:15:31,114 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 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-22: havoc vatomic32_read_#res#1; [2025-02-08 14:15:31,114 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 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4114: vatomic32_get_add_~v#1 := vatomic32_get_add_#in~v#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-20: vatomic32_await_eq_#t~ret636#1 := vatomic32_read_#res#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4114-1: vatomic32_get_add_~a#1.base, vatomic32_get_add_~a#1.offset := vatomic32_get_add_#in~a#1.base, vatomic32_get_add_#in~a#1.offset; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume true; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume !true; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume false; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume !false; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4842: vatomic32_await_eq_~ret~0#1 := vatomic32_await_eq_~o~5#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4513: vatomic32_get_inc_~a#1.base, vatomic32_get_inc_~a#1.offset := vatomic32_get_inc_#in~a#1.base, vatomic32_get_inc_#in~a#1.offset; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-2: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-3: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-1: havoc verification_spin_end_#in~v#1;assume { :end_inline_verification_spin_end } true; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-6: havoc acquire_#t~ite790#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4844-1: vatomic32_await_eq_#res#1 := vatomic32_await_eq_~ret~0#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-7: assume 0 != acquire_#t~ite790#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-7: assume !(0 != acquire_#t~ite790#1); [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-4: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 0; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-5: havoc acquire_#t~ite790#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-10: assume { :end_inline_verification_spin_end } true;acquire_#t~ite790#1 := 0; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-11: havoc verification_spin_end_#in~v#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-8: havoc acquire_#t~ret789#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-9: havoc acquire_#t~ret789#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-14: assume 0 == acquire_#t~ret789#1 % 256; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-14: assume !(0 == acquire_#t~ret789#1 % 256); [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-15: acquire_#t~ite790#1 := 1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-12: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-13: havoc verification_spin_end_~v#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-18: havoc rec_ticketlock_tryacquire_#t~ret772#1, rec_ticketlock_tryacquire_#t~mem773#1, rec_ticketlock_tryacquire_#t~post774#1, rec_ticketlock_tryacquire_#t~ret775#1, rec_ticketlock_tryacquire_~l#1.base, rec_ticketlock_tryacquire_~l#1.offset, rec_ticketlock_tryacquire_~id#1, rec_ticketlock_tryacquire_~owner~1#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-19: acquire_#t~ret789#1 := rec_ticketlock_tryacquire_#res#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-16: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6033-17: havoc rec_ticketlock_tryacquire_#in~l#1.base, rec_ticketlock_tryacquire_#in~l#1.offset, rec_ticketlock_tryacquire_#in~id#1;assume { :end_inline_rec_ticketlock_tryacquire } true; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4118: havoc vatomic32_get_add_#t~mem492#1; [2025-02-08 14:15:31,114 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4118-2: [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4118-1: vatomic32_get_add_~tmp~29#1 := vatomic32_get_add_#t~mem492#1; [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4118-4: SUMMARY for call vatomic32_get_add_#t~mem492#1 := read~int#2(vatomic32_get_add_~a#1.base, vatomic32_get_add_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4118-3: SUMMARY for call write~int#2(vatomic32_get_add_#t~mem492#1 + vatomic32_get_add_~v#1, vatomic32_get_add_~a#1.base, vatomic32_get_add_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4118-5: [2025-02-08 14:15:31,115 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 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821: vatomic32_write_~v#1 := vatomic32_write_#in~v#1; [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-5: 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 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-4: vatomic32_write_~v#1 := vatomic32_write_#in~v#1; [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-7: 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 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3821-6: vatomic32_write_~v#1 := vatomic32_write_#in~v#1; [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6035: havoc rec_ticketlock_acquire_#in~l#1.base, rec_ticketlock_acquire_#in~l#1.offset, rec_ticketlock_acquire_#in~id#1;assume { :end_inline_rec_ticketlock_acquire } true; [2025-02-08 14:15:31,115 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-2: havoc vatomic32_get_inc_#t~ret577#1; [2025-02-08 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516: havoc vatomic32_get_inc_#t~ret577#1; [2025-02-08 14:15:31,116 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 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-6: vatomic32_get_inc_#t~ret577#1 := vatomic32_get_add_#res#1; [2025-02-08 14:15:31,116 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 14:15:31,116 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 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-9: assume { :begin_inline_vatomic32_get_add } true;vatomic32_get_add_#in~a#1.base, vatomic32_get_add_#in~a#1.offset, vatomic32_get_add_#in~v#1 := vatomic32_get_inc_~a#1.base, vatomic32_get_inc_~a#1.offset, 1; [2025-02-08 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-7: 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 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4516-8: havoc vatomic32_get_add_#res#1; [2025-02-08 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4120-1: vatomic32_get_add_#res#1 := vatomic32_get_add_~tmp~29#1; [2025-02-08 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923-1: vatomic32_cmpxchg_~e#1 := vatomic32_cmpxchg_#in~e#1; [2025-02-08 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923: vatomic32_cmpxchg_~v#1 := vatomic32_cmpxchg_#in~v#1; [2025-02-08 14:15:31,116 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 14:15:31,116 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-1: SUMMARY for call write~int#2(vatomic32_write_~v#1, vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825: [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-2: [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-7: SUMMARY for call write~int#2(vatomic32_write_~v#1, vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-6: [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-9: [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-8: [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-11: [2025-02-08 14:15:31,117 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3825-10: SUMMARY for call write~int#2(vatomic32_write_~v#1, vatomic32_write_~a#1.base, vatomic32_write_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3926: vatomic32_cmpxchg_~exp~2#1 := vatomic32_cmpxchg_~e#1; [2025-02-08 14:15:31,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5381: ticketlock_acquire_~l#1.base, ticketlock_acquire_~l#1.offset := ticketlock_acquire_#in~l#1.base, ticketlock_acquire_#in~l#1.offset; [2025-02-08 14:15:31,120 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928: havoc vatomic32_cmpxchg_#t~ret450#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-2: havoc vatomic32_cmpxchg_#t~ret448#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-1: havoc vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-4: havoc vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-3: havoc vatomic32_cmpxchg_#t~ret450#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-6: [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-5: havoc vatomic32_cmpxchg_#t~ret448#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-8: assume 0 != vatomic32_cmpxchg_#t~ret448#1 % 256; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-8: assume !(0 != vatomic32_cmpxchg_#t~ret448#1 % 256); [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-7: SUMMARY for call write~int#2(vatomic32_cmpxchg_~v#1, vatomic32_cmpxchg_~a#1.base, vatomic32_cmpxchg_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,121 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 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-9: vatomic32_cmpxchg_~exp~2#1 := vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-12: SUMMARY for call vatomic32_cmpxchg_#t~mem449#1 := read~int#2(vatomic32_cmpxchg_~a#1.base, vatomic32_cmpxchg_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-11: vatomic32_cmpxchg_#t~ret450#1 := vatomic32_cmpxchg_~exp~2#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-13: [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2112: vatomic32_get_inc_rlx_~a#1.base, vatomic32_get_inc_rlx_~a#1.offset := vatomic32_get_inc_rlx_#in~a#1.base, vatomic32_get_inc_rlx_#in~a#1.offset; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: havoc ##fun~$Pointer$~TO~~vbool_t~0_#t~ret792#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-2: assume { :end_inline_ticketlock_tryacquire } true;##fun~$Pointer$~TO~~vbool_t~0_#res#1 := ##fun~$Pointer$~TO~~vbool_t~0_#t~ret792#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-3: havoc ticketlock_tryacquire_#in~l#1.base, ticketlock_tryacquire_#in~l#1.offset; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-4: 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 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-5: ##fun~$Pointer$~TO~~vbool_t~0_#t~ret792#1 := ticketlock_tryacquire_#res#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-6: 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 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-7: havoc ticketlock_tryacquire_#res#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-8: assume { :begin_inline_ticketlock_tryacquire } true;ticketlock_tryacquire_#in~l#1.base, ticketlock_tryacquire_#in~l#1.offset := ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.offset; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-9: ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#~l#1.offset := ##fun~$Pointer$~TO~~vbool_t~0_#in~l#1.base, ##fun~$Pointer$~TO~~vbool_t~0_#in~l#1.offset; [2025-02-08 14:15:31,121 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 14:15:31,121 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 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384: havoc ticketlock_acquire_#t~ret758#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-5: 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 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-6: havoc vatomic32_get_inc_rlx_#res#1; [2025-02-08 14:15:31,121 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 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-4: ticketlock_acquire_#t~ret758#1 := vatomic32_get_inc_rlx_#res#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-7: assume { :begin_inline_vatomic32_get_inc_rlx } true;vatomic32_get_inc_rlx_#in~a#1.base, vatomic32_get_inc_rlx_#in~a#1.offset := ticketlock_acquire_~l#1.base, ticketlock_acquire_~l#1.offset; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3931-1: vatomic32_cmpxchg_#res#1 := vatomic32_cmpxchg_~exp~2#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5418: havoc reach_error_#t~nondet765#1.base, reach_error_#t~nondet765#1.offset; [2025-02-08 14:15:31,121 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 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-3: ticketlock_acquire_#t~ret759#1 := vatomic32_await_eq_acq_#res#1; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5418-1: assume false; [2025-02-08 14:15:31,121 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5418-1: assume !false; [2025-02-08 14:15:31,122 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 14:15:31,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5418-2: assume false; [2025-02-08 14:15:31,122 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 14:15:31,122 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 14:15:31,122 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 14:15:31,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5385-5: havoc vatomic32_await_eq_acq_#res#1; [2025-02-08 14:15:31,122 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115: havoc vatomic32_get_inc_rlx_#t~ret156#1; [2025-02-08 14:15:31,122 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 14:15:31,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-2: havoc vatomic32_get_inc_rlx_#t~ret156#1; [2025-02-08 14:15:31,124 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 14:15:31,124 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 14:15:31,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917: vatomic32_cmpxchg_rlx_~v#1 := vatomic32_cmpxchg_rlx_#in~v#1; [2025-02-08 14:15:31,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-7: havoc vatomic32_get_inc_#t~ret577#1, vatomic32_get_inc_~a#1.base, vatomic32_get_inc_~a#1.offset; [2025-02-08 14:15:31,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1917-1: vatomic32_cmpxchg_rlx_~e#1 := vatomic32_cmpxchg_rlx_#in~e#1; [2025-02-08 14:15:31,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-6: vatomic32_get_inc_rlx_#t~ret156#1 := vatomic32_get_inc_#res#1; [2025-02-08 14:15:31,124 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 14:15:31,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-9: assume { :begin_inline_vatomic32_get_inc } true;vatomic32_get_inc_#in~a#1.base, vatomic32_get_inc_#in~a#1.offset := vatomic32_get_inc_rlx_~a#1.base, vatomic32_get_inc_rlx_~a#1.offset; [2025-02-08 14:15:31,124 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2115-8: havoc vatomic32_get_inc_#res#1; [2025-02-08 14:15:31,172 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6013: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-08 14:15:31,172 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6013-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-08 14:15:31,173 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 14:15:31,173 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:15:31,312 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:15:31,312 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:15:31,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:15:31 BoogieIcfgContainer [2025-02-08 14:15:31,313 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:15:31,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 14:15:31,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 14:15:31,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 14:15:31,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:15:28" (1/3) ... [2025-02-08 14:15:31,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d42e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:15:31, skipping insertion in model container [2025-02-08 14:15:31,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:30" (2/3) ... [2025-02-08 14:15:31,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d42e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:15:31, skipping insertion in model container [2025-02-08 14:15:31,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:15:31" (3/3) ... [2025-02-08 14:15:31,321 INFO L128 eAbstractionObserver]: Analyzing ICFG rec_ticketlock.i [2025-02-08 14:15:31,331 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 14:15:31,333 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rec_ticketlock.i that has 2 procedures, 89 locations, 1 initial locations, 42 loop locations, and 6 error locations. [2025-02-08 14:15:31,333 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 14:15:31,409 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 14:15:31,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 135 transitions, 277 flow [2025-02-08 14:15:31,486 INFO L124 PetriNetUnfolderBase]: 56/161 cut-off events. [2025-02-08 14:15:31,489 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 14:15:31,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 161 events. 56/161 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 481 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 117. Up to 6 conditions per place. [2025-02-08 14:15:31,494 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 135 transitions, 277 flow [2025-02-08 14:15:31,499 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 133 transitions, 270 flow [2025-02-08 14:15:31,507 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:31,517 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;@6821a84d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:31,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-08 14:15:31,528 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:31,528 INFO L124 PetriNetUnfolderBase]: 14/44 cut-off events. [2025-02-08 14:15:31,528 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:15:31,529 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:31,529 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:31,529 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 14:15:31,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:31,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1652109821, now seen corresponding path program 1 times [2025-02-08 14:15:31,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564625025] [2025-02-08 14:15:31,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:31,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:31,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 14:15:31,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:15:31,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:31,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:31,678 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 14:15:31,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:31,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564625025] [2025-02-08 14:15:31,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564625025] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:31,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:31,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:31,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975177270] [2025-02-08 14:15:31,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:31,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:31,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:31,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:31,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:31,713 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 135 [2025-02-08 14:15:31,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 133 transitions, 270 flow. Second operand has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 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 14:15:31,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:31,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 135 [2025-02-08 14:15:31,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:15:31,927 INFO L124 PetriNetUnfolderBase]: 245/822 cut-off events. [2025-02-08 14:15:31,927 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:15:31,930 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1342 conditions, 822 events. 245/822 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4604 event pairs, 225 based on Foata normal form. 451/1152 useless extension candidates. Maximal degree in co-relation 1298. Up to 516 conditions per place. [2025-02-08 14:15:31,933 INFO L140 encePairwiseOnDemand]: 92/135 looper letters, 39 selfloop transitions, 0 changer transitions 0/86 dead transitions. [2025-02-08 14:15:31,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 86 transitions, 254 flow [2025-02-08 14:15:31,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:15:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 14:15:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 182 transitions. [2025-02-08 14:15:31,943 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.674074074074074 [2025-02-08 14:15:31,944 INFO L175 Difference]: Start difference. First operand has 91 places, 133 transitions, 270 flow. Second operand 2 states and 182 transitions. [2025-02-08 14:15:31,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 86 transitions, 254 flow [2025-02-08 14:15:31,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 86 transitions, 254 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 14:15:31,949 INFO L231 Difference]: Finished difference. Result has 88 places, 86 transitions, 176 flow [2025-02-08 14:15:31,951 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=176, PETRI_PLACES=88, PETRI_TRANSITIONS=86} [2025-02-08 14:15:31,953 INFO L279 CegarLoopForPetriNet]: 91 programPoint places, -3 predicate places. [2025-02-08 14:15:31,953 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 86 transitions, 176 flow [2025-02-08 14:15:31,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 states have internal predecessors, (106), 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 14:15:31,954 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:31,954 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:31,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 14:15:31,954 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 14:15:31,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:31,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1814802570, now seen corresponding path program 1 times [2025-02-08 14:15:31,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:31,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554774414] [2025-02-08 14:15:31,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:31,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:31,971 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:15:31,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:15:31,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:31,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:31,992 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:15:32,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:15:32,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:15:32,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:32,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:32,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:15:32,039 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 14:15:32,040 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2025-02-08 14:15:32,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2025-02-08 14:15:32,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2025-02-08 14:15:32,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 14:15:32,042 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 14:15:32,046 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 14:15:32,046 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 14:15:32,146 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 14:15:32,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 156 places, 227 transitions, 470 flow [2025-02-08 14:15:32,183 INFO L124 PetriNetUnfolderBase]: 101/295 cut-off events. [2025-02-08 14:15:32,183 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-08 14:15:32,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 307 conditions, 295 events. 101/295 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1217 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 221. Up to 12 conditions per place. [2025-02-08 14:15:32,190 INFO L82 GeneralOperation]: Start removeDead. Operand has 156 places, 227 transitions, 470 flow [2025-02-08 14:15:32,195 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 156 places, 227 transitions, 470 flow [2025-02-08 14:15:32,197 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:32,197 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;@6821a84d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:32,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2025-02-08 14:15:32,206 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:32,206 INFO L124 PetriNetUnfolderBase]: 30/90 cut-off events. [2025-02-08 14:15:32,206 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 14:15:32,206 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:32,206 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:32,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-02-08 14:15:32,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:32,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1065864407, now seen corresponding path program 1 times [2025-02-08 14:15:32,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:32,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766072298] [2025-02-08 14:15:32,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:32,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 14:15:32,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 14:15:32,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:32,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:32,264 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 14:15:32,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:32,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766072298] [2025-02-08 14:15:32,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766072298] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:32,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:32,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:32,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425069357] [2025-02-08 14:15:32,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:32,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:32,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:32,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:32,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:32,265 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 227 [2025-02-08 14:15:32,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 227 transitions, 470 flow. Second operand has 2 states, 2 states have (on average 88.5) internal successors, (177), 2 states have internal predecessors, (177), 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 14:15:32,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:32,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 227 [2025-02-08 14:15:32,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:15:35,069 INFO L124 PetriNetUnfolderBase]: 13879/28333 cut-off events. [2025-02-08 14:15:35,070 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES. [2025-02-08 14:15:35,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49589 conditions, 28333 events. 13879/28333 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 264239 event pairs, 12775 based on Foata normal form. 18022/41469 useless extension candidates. Maximal degree in co-relation 44240. Up to 21119 conditions per place. [2025-02-08 14:15:35,201 INFO L140 encePairwiseOnDemand]: 157/227 looper letters, 70 selfloop transitions, 0 changer transitions 0/149 dead transitions. [2025-02-08 14:15:35,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 149 transitions, 454 flow [2025-02-08 14:15:35,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:15:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 14:15:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 310 transitions. [2025-02-08 14:15:35,205 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6828193832599119 [2025-02-08 14:15:35,206 INFO L175 Difference]: Start difference. First operand has 156 places, 227 transitions, 470 flow. Second operand 2 states and 310 transitions. [2025-02-08 14:15:35,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 149 transitions, 454 flow [2025-02-08 14:15:35,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 149 transitions, 454 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 14:15:35,210 INFO L231 Difference]: Finished difference. Result has 149 places, 149 transitions, 314 flow [2025-02-08 14:15:35,210 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=227, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=314, PETRI_PLACES=149, PETRI_TRANSITIONS=149} [2025-02-08 14:15:35,211 INFO L279 CegarLoopForPetriNet]: 156 programPoint places, -7 predicate places. [2025-02-08 14:15:35,211 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 149 transitions, 314 flow [2025-02-08 14:15:35,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 88.5) internal successors, (177), 2 states have internal predecessors, (177), 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 14:15:35,211 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:35,212 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:35,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 14:15:35,212 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-02-08 14:15:35,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1528292595, now seen corresponding path program 1 times [2025-02-08 14:15:35,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:35,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741898420] [2025-02-08 14:15:35,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:35,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:15:35,258 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:15:35,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:35,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:35,261 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:15:35,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:15:35,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:15:35,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:35,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:35,307 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:15:35,311 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2025-02-08 14:15:35,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2025-02-08 14:15:35,313 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2025-02-08 14:15:35,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 14:15:35,313 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 14:15:35,313 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 14:15:35,314 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 14:15:35,410 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 14:15:35,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 220 places, 319 transitions, 665 flow [2025-02-08 14:15:35,457 INFO L124 PetriNetUnfolderBase]: 157/458 cut-off events. [2025-02-08 14:15:35,457 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-02-08 14:15:35,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 458 events. 157/458 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2189 event pairs, 1 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 341. Up to 24 conditions per place. [2025-02-08 14:15:35,463 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 319 transitions, 665 flow [2025-02-08 14:15:35,471 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 220 places, 319 transitions, 665 flow [2025-02-08 14:15:35,472 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:35,472 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;@6821a84d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:35,472 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-02-08 14:15:35,481 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:35,481 INFO L124 PetriNetUnfolderBase]: 52/153 cut-off events. [2025-02-08 14:15:35,481 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-08 14:15:35,481 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:35,481 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:35,481 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-02-08 14:15:35,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:35,482 INFO L85 PathProgramCache]: Analyzing trace with hash -561554244, now seen corresponding path program 1 times [2025-02-08 14:15:35,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:35,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915235456] [2025-02-08 14:15:35,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:35,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:35,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 14:15:35,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 14:15:35,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:35,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:35,525 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 14:15:35,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:35,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915235456] [2025-02-08 14:15:35,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915235456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:35,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:35,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:35,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38088468] [2025-02-08 14:15:35,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:35,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:35,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:35,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:35,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:35,527 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 319 [2025-02-08 14:15:35,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 319 transitions, 665 flow. Second operand has 2 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 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 14:15:35,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:35,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 319 [2025-02-08 14:15:35,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand