./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/libvsync/rwlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/rwlock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:46:15,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:46:15,916 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-08 08:46:15,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:46:15,926 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:46:15,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:46:15,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:46:15,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:46:15,947 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:46:15,947 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:46:15,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:46:15,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:46:15,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:46:15,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:46:15,948 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:46:15,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:46:15,948 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 08:46:15,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 08:46:15,949 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:46:15,950 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 08:46:15,950 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:46:15,950 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:46:15,950 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:46:15,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:46:15,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:46:15,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:46:15,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:46:15,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:46:15,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:46:15,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:46:15,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:46:15,951 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:46:15,951 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:46:15,951 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:46:15,951 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:46:15,952 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321 [2025-02-08 08:46:16,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:46:16,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:46:16,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:46:16,283 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:46:16,284 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:46:16,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rwlock.i [2025-02-08 08:46:17,582 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ab2e0a9b/e651ad91fdfc411db3484879d69125c7/FLAG58c7689bc [2025-02-08 08:46:18,081 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:46:18,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/rwlock.i [2025-02-08 08:46:18,126 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ab2e0a9b/e651ad91fdfc411db3484879d69125c7/FLAG58c7689bc [2025-02-08 08:46:18,143 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ab2e0a9b/e651ad91fdfc411db3484879d69125c7 [2025-02-08 08:46:18,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:46:18,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:46:18,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:46:18,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:46:18,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:46:18,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:46:18" (1/1) ... [2025-02-08 08:46:18,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27000b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:18, skipping insertion in model container [2025-02-08 08:46:18,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:46:18" (1/1) ... [2025-02-08 08:46:18,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:46:19,927 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 08:46:19,940 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 08:46:19,941 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 08:46:19,949 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 08:46:19,950 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-02-08 08:46:20,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:46:20,677 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:46:20,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-02-08 08:46:20,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-02-08 08:46:20,788 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-02-08 08:46:20,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-02-08 08:46:20,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-02-08 08:46:20,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-02-08 08:46:20,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-02-08 08:46:20,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-02-08 08:46:20,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-02-08 08:46:20,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-02-08 08:46:20,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-02-08 08:46:20,792 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-02-08 08:46:20,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-02-08 08:46:20,793 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-02-08 08:46:20,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-02-08 08:46:20,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-02-08 08:46:20,795 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-02-08 08:46:20,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-02-08 08:46:20,796 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-02-08 08:46:20,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-02-08 08:46:20,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-02-08 08:46:20,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-02-08 08:46:20,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-02-08 08:46:20,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-02-08 08:46:20,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-02-08 08:46:20,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-02-08 08:46:20,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-02-08 08:46:20,799 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-02-08 08:46:20,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-02-08 08:46:20,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-02-08 08:46:20,800 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-02-08 08:46:20,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-02-08 08:46:20,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-02-08 08:46:20,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-02-08 08:46:20,802 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-02-08 08:46:20,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-02-08 08:46:20,803 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-02-08 08:46:20,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-02-08 08:46:20,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-02-08 08:46:20,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-02-08 08:46:20,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-02-08 08:46:20,805 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-02-08 08:46:20,806 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-02-08 08:46:20,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-02-08 08:46:20,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-02-08 08:46:20,807 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-02-08 08:46:20,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-02-08 08:46:20,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-02-08 08:46:20,808 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-02-08 08:46:20,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-02-08 08:46:20,812 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-02-08 08:46:20,813 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-02-08 08:46:20,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-02-08 08:46:20,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-02-08 08:46:20,814 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-02-08 08:46:20,815 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-02-08 08:46:20,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-02-08 08:46:20,816 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-02-08 08:46:20,817 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-02-08 08:46:20,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-02-08 08:46:20,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-02-08 08:46:20,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-02-08 08:46:20,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-02-08 08:46:20,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-02-08 08:46:20,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-02-08 08:46:20,819 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-02-08 08:46:20,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-02-08 08:46:20,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-02-08 08:46:20,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-02-08 08:46:20,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-02-08 08:46:20,823 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-02-08 08:46:20,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-02-08 08:46:20,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-02-08 08:46:20,824 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-02-08 08:46:20,825 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-02-08 08:46:20,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-02-08 08:46:20,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-02-08 08:46:20,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-02-08 08:46:20,828 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-02-08 08:46:20,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-02-08 08:46:20,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-02-08 08:46:20,829 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-02-08 08:46:20,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-02-08 08:46:20,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-02-08 08:46:20,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-02-08 08:46:20,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-02-08 08:46:20,833 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-02-08 08:46:20,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-02-08 08:46:20,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-02-08 08:46:20,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-02-08 08:46:20,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-02-08 08:46:20,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-02-08 08:46:20,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-02-08 08:46:20,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-02-08 08:46:20,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-02-08 08:46:20,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-02-08 08:46:20,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-02-08 08:46:20,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-02-08 08:46:20,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-02-08 08:46:20,836 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-02-08 08:46:20,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:46:21,175 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:46:21,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21 WrapperNode [2025-02-08 08:46:21,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:46:21,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:46:21,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:46:21,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:46:21,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,315 INFO L138 Inliner]: procedures = 930, calls = 943, calls flagged for inlining = 835, calls inlined = 70, statements flattened = 637 [2025-02-08 08:46:21,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:46:21,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:46:21,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:46:21,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:46:21,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,374 INFO L175 MemorySlicer]: Split 27 memory accesses to 3 slices as follows [2, 3, 22]. 81 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [2, 0, 3]. The 8 writes are split as follows [0, 2, 6]. [2025-02-08 08:46:21,379 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,404 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,417 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:46:21,435 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:46:21,436 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:46:21,436 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:46:21,437 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (1/1) ... [2025-02-08 08:46:21,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:46:21,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:46:21,470 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 08:46:21,476 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 08:46:21,496 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2025-02-08 08:46:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:46:21,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 08:46:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 08:46:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2025-02-08 08:46:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2025-02-08 08:46:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 08:46:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 08:46:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 08:46:21,499 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 08:46:21,708 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:46:21,710 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:46:22,096 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4842: vatomic32_await_eq_~ret~0#1 := vatomic32_await_eq_~o~5#1; [2025-02-08 08:46:22,096 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,096 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-1: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,096 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-2: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,096 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-3: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,097 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-2: assume { :end_inline_vatomic32_cmpxchg } true;vatomic32_await_ge_sub_~old~20#1 := vatomic32_await_ge_sub_#t~ret681#1; [2025-02-08 08:46:22,097 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-3: 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 08:46:22,097 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041: havoc vatomic32_await_ge_sub_#t~ret681#1; [2025-02-08 08:46:22,097 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-1: havoc vatomic32_await_ge_sub_#t~ret681#1; [2025-02-08 08:46:22,097 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-4: 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 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-5: vatomic32_await_ge_sub_#t~ret681#1 := vatomic32_cmpxchg_#res#1; [2025-02-08 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-1: havoc verification_spin_end_#in~v#1;assume { :end_inline_verification_spin_end } true; [2025-02-08 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-2: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-5: havoc vatomic32_await_neq_#t~ite631#1; [2025-02-08 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-6: havoc vatomic32_await_neq_#t~ite631#1; [2025-02-08 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-3: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-4: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 0; [2025-02-08 08:46:22,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-9: havoc vatomic32_await_neq_#t~ret630#1; [2025-02-08 08:46:22,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-10: assume { :end_inline_verification_spin_end } true;vatomic32_await_neq_#t~ite631#1 := 0; [2025-02-08 08:46:22,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-7: assume 0 != vatomic32_await_neq_#t~ite631#1; [2025-02-08 08:46:22,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-7: assume !(0 != vatomic32_await_neq_#t~ite631#1); [2025-02-08 08:46:22,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-8: havoc vatomic32_await_neq_#t~ret630#1; [2025-02-08 08:46:22,099 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-13: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,100 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-14: assume vatomic32_await_neq_~cur~5#1 % 4294967296 == vatomic32_await_neq_~c#1 % 4294967296; [2025-02-08 08:46:22,101 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-14: assume !(vatomic32_await_neq_~cur~5#1 % 4294967296 == vatomic32_await_neq_~c#1 % 4294967296); [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-11: havoc verification_spin_end_#in~v#1; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-12: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-17: assume { :end_inline_vatomic32_read } true;vatomic32_await_neq_~cur~5#1 := vatomic32_await_neq_#t~ret630#1; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-18: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-15: vatomic32_await_neq_#t~ite631#1 := 1; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-16: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 1; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume true; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume !true; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume false; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume !false; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-19: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 08:46:22,102 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume !true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-20: vatomic32_await_neq_#t~ret630#1 := vatomic32_read_#res#1; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume !false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume !true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume !false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume !true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume !false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume !true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume !false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume !true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume !false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume !true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813: assume true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813: assume !true; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume !false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813-1: assume false; [2025-02-08 08:46:22,103 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813-1: assume !false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume !true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume !false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume !true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume !false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume !true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume !false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume !true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume !false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume !true; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume !false; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255: havoc vatomic32_await_eq_rlx_#t~ret168#1; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2425: havoc vatomic32_await_ge_sub_acq_#t~ret202#1; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5036-1: assume vatomic32_await_ge_sub_~old~20#1 % 4294967296 != vatomic32_await_ge_sub_~cur~15#1 % 4294967296; [2025-02-08 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5036-1: assume !(vatomic32_await_ge_sub_~old~20#1 % 4294967296 != vatomic32_await_ge_sub_~cur~15#1 % 4294967296); [2025-02-08 08:46:22,104 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 08:46:22,104 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-2: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-5: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-6: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-3: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,105 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 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-9: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 08:46:22,105 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 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume 0 != vatomic32_await_eq_#t~ite637#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume !(0 != vatomic32_await_eq_#t~ite637#1); [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-8: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-13: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,105 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 08:46:22,105 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 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-11: havoc verification_spin_end_#in~v#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-12: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,105 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 08:46:22,105 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 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-15: vatomic32_await_eq_#t~ite637#1 := 1; [2025-02-08 08:46:22,105 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 08:46:22,105 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 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-20: vatomic32_await_eq_#t~ret636#1 := vatomic32_read_#res#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039: havoc vatomic32_await_ge_sub_#t~ret680#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-1: assume { :end_inline_vatomic32_await_neq } true;vatomic32_await_ge_sub_~cur~15#1 := vatomic32_await_ge_sub_#t~ret680#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-4: vatomic32_await_ge_sub_#t~ret680#1 := vatomic32_await_neq_#res#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-2: havoc vatomic32_await_neq_#in~a#1.base, vatomic32_await_neq_#in~a#1.offset, vatomic32_await_neq_#in~c#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-3: havoc vatomic32_await_neq_#t~ret630#1, vatomic32_await_neq_#t~ite631#1, vatomic32_await_neq_~a#1.base, vatomic32_await_neq_~a#1.offset, vatomic32_await_neq_~c#1, vatomic32_await_neq_~cur~5#1; [2025-02-08 08:46:22,105 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume true; [2025-02-08 08:46:22,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume !true; [2025-02-08 08:46:22,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume false; [2025-02-08 08:46:22,106 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume !false; [2025-02-08 08:46:22,239 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6076-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-08 08:46:22,239 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6076: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-08 08:46:22,545 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-1: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-2: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-3: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume true; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume !true; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume false; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume !false; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume true; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume !true; [2025-02-08 08:46:22,546 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume false; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume !false; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume true; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume !true; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume false; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume !false; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume true; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume !true; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume false; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume !false; [2025-02-08 08:46:22,547 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume true; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume !true; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume false; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume !false; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume true; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume !true; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume false; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume !false; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume true; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-12: assume !true; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume false; [2025-02-08 08:46:22,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-13: assume !false; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume true; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-14: assume !true; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume false; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-15: assume !false; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume true; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-16: assume !true; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume false; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-17: assume !false; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume true; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-18: assume !true; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume false; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-19: assume !false; [2025-02-08 08:46:22,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume true; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-20: assume !true; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume false; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-21: assume !false; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume true; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-22: assume !true; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume false; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-23: assume !false; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2425: havoc vatomic32_await_ge_sub_acq_#t~ret202#1; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5036-1: assume vatomic32_await_ge_sub_~old~20#1 % 4294967296 != vatomic32_await_ge_sub_~cur~15#1 % 4294967296; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5036-1: assume !(vatomic32_await_ge_sub_~old~20#1 % 4294967296 != vatomic32_await_ge_sub_~cur~15#1 % 4294967296); [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5334-1: assume vatomic32_await_eq_set_#t~ret749#1 != vatomic32_await_eq_set_~c#1; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5334-1: assume !(vatomic32_await_eq_set_#t~ret749#1 != vatomic32_await_eq_set_~c#1); [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5335: assume { :end_inline_vatomic32_await_eq } true;havoc vatomic32_await_eq_set_#t~ret748#1; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5335-1: havoc vatomic32_await_eq_#in~a#1.base, vatomic32_await_eq_#in~a#1.offset, vatomic32_await_eq_#in~c#1; [2025-02-08 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5335-2: 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 08:46:22,550 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5335-3: vatomic32_await_eq_set_#t~ret748#1 := vatomic32_await_eq_#res#1; [2025-02-08 08:46:22,551 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 08:46:22,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-2: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-5: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 08:46:22,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-6: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 08:46:22,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-3: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,551 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 08:46:22,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-9: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 08:46:22,551 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 08:46:22,551 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume 0 != vatomic32_await_eq_#t~ite637#1; [2025-02-08 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume !(0 != vatomic32_await_eq_#t~ite637#1); [2025-02-08 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-8: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-13: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,552 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 08:46:22,552 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 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-11: havoc verification_spin_end_#in~v#1; [2025-02-08 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-12: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336-1: havoc vatomic32_await_eq_set_#t~ret749#1; [2025-02-08 08:46:22,552 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 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336-2: havoc vatomic32_cmpxchg_#in~a#1.base, vatomic32_cmpxchg_#in~a#1.offset, vatomic32_cmpxchg_#in~e#1, vatomic32_cmpxchg_#in~v#1;assume { :end_inline_vatomic32_cmpxchg } true; [2025-02-08 08:46:22,552 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 08:46:22,552 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-15: vatomic32_await_eq_#t~ite637#1 := 1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336: havoc vatomic32_await_eq_set_#t~ret749#1; [2025-02-08 08:46:22,553 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 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336-5: 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 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336-6: havoc vatomic32_cmpxchg_#res#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336-3: 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 08:46:22,553 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 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336-4: vatomic32_await_eq_set_#t~ret749#1 := vatomic32_cmpxchg_#res#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-20: vatomic32_await_eq_#t~ret636#1 := vatomic32_read_#res#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039: havoc vatomic32_await_ge_sub_#t~ret680#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-1: assume { :end_inline_vatomic32_await_neq } true;vatomic32_await_ge_sub_~cur~15#1 := vatomic32_await_ge_sub_#t~ret680#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5336-7: 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_await_eq_set_~a#1.base, vatomic32_await_eq_set_~a#1.offset, vatomic32_await_eq_set_~c#1, vatomic32_await_eq_set_~v#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-4: vatomic32_await_ge_sub_#t~ret680#1 := vatomic32_await_neq_#res#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-2: havoc vatomic32_await_neq_#in~a#1.base, vatomic32_await_neq_#in~a#1.offset, vatomic32_await_neq_#in~c#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5039-3: havoc vatomic32_await_neq_#t~ret630#1, vatomic32_await_neq_#t~ite631#1, vatomic32_await_neq_~a#1.base, vatomic32_await_neq_~a#1.offset, vatomic32_await_neq_~c#1, vatomic32_await_neq_~cur~5#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume true; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume !true; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume false; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume !false; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4842: vatomic32_await_eq_~ret~0#1 := vatomic32_await_eq_~o~5#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-2: assume { :end_inline_vatomic32_cmpxchg } true;vatomic32_await_ge_sub_~old~20#1 := vatomic32_await_ge_sub_#t~ret681#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-3: 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 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041: havoc vatomic32_await_ge_sub_#t~ret681#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-1: havoc vatomic32_await_ge_sub_#t~ret681#1; [2025-02-08 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-4: 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 08:46:22,553 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5041-5: vatomic32_await_ge_sub_#t~ret681#1 := vatomic32_cmpxchg_#res#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-1: havoc verification_spin_end_#in~v#1;assume { :end_inline_verification_spin_end } true; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-2: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-5: havoc vatomic32_await_neq_#t~ite631#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-6: havoc vatomic32_await_neq_#t~ite631#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-3: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-4: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 0; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-9: havoc vatomic32_await_neq_#t~ret630#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-10: assume { :end_inline_verification_spin_end } true;vatomic32_await_neq_#t~ite631#1 := 0; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-7: assume 0 != vatomic32_await_neq_#t~ite631#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-7: assume !(0 != vatomic32_await_neq_#t~ite631#1); [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-8: havoc vatomic32_await_neq_#t~ret630#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-13: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-14: assume vatomic32_await_neq_~cur~5#1 % 4294967296 == vatomic32_await_neq_~c#1 % 4294967296; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-14: assume !(vatomic32_await_neq_~cur~5#1 % 4294967296 == vatomic32_await_neq_~c#1 % 4294967296); [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-11: havoc verification_spin_end_#in~v#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-12: havoc verification_spin_end_~v#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-17: assume { :end_inline_vatomic32_read } true;vatomic32_await_neq_~cur~5#1 := vatomic32_await_neq_#t~ret630#1; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-18: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 08:46:22,554 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-15: vatomic32_await_neq_#t~ite631#1 := 1; [2025-02-08 08:46:22,555 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-16: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 1; [2025-02-08 08:46:22,555 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-19: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 08:46:22,555 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4812-20: vatomic32_await_neq_#t~ret630#1 := vatomic32_read_#res#1; [2025-02-08 08:46:22,555 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813: assume true; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813: assume !true; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813-1: assume false; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4813-1: assume !false; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923-3: vatomic32_cmpxchg_~v#1 := vatomic32_cmpxchg_#in~v#1; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923-5: 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 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3923-4: vatomic32_cmpxchg_~e#1 := vatomic32_cmpxchg_#in~e#1; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2570: havoc vatomic32_await_eq_set_rlx_#t~ret231#1; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3926-1: vatomic32_cmpxchg_~exp~2#1 := vatomic32_cmpxchg_~e#1; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-14: havoc vatomic32_cmpxchg_#t~ret450#1; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-16: havoc vatomic32_cmpxchg_#t~ret448#1; [2025-02-08 08:46:22,556 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-15: havoc vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-18: havoc vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-17: havoc vatomic32_cmpxchg_#t~ret450#1; [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-20: [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-19: havoc vatomic32_cmpxchg_#t~ret448#1; [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-22: assume 0 != vatomic32_cmpxchg_#t~ret448#1 % 256; [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-22: assume !(0 != vatomic32_cmpxchg_#t~ret448#1 % 256); [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-21: 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 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-21: assume !(1 == #valid[vatomic32_cmpxchg_~a#1.base]); [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-21: assume !(4 + vatomic32_cmpxchg_~a#1.offset <= #length[vatomic32_cmpxchg_~a#1.base] && 0 <= vatomic32_cmpxchg_~a#1.offset); [2025-02-08 08:46:22,557 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-24: vatomic32_cmpxchg_#t~ret448#1 := (if vatomic32_cmpxchg_#t~mem449#1 == vatomic32_cmpxchg_#t~ret450#1 then 1 else 0); [2025-02-08 08:46:22,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-23: vatomic32_cmpxchg_~exp~2#1 := vatomic32_cmpxchg_#t~mem449#1; [2025-02-08 08:46:22,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-26: 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 08:46:22,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-26: assume !(1 == #valid[vatomic32_cmpxchg_~a#1.base]); [2025-02-08 08:46:22,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-26: assume !(4 + vatomic32_cmpxchg_~a#1.offset <= #length[vatomic32_cmpxchg_~a#1.base] && 0 <= vatomic32_cmpxchg_~a#1.offset); [2025-02-08 08:46:22,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-25: vatomic32_cmpxchg_#t~ret450#1 := vatomic32_cmpxchg_~exp~2#1; [2025-02-08 08:46:22,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3928-27: [2025-02-08 08:46:22,558 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3931-3: vatomic32_cmpxchg_#res#1 := vatomic32_cmpxchg_~exp~2#1; [2025-02-08 08:46:22,559 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 08:46:22,559 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:46:22,859 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:46:22,859 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:46:22,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:46:22 BoogieIcfgContainer [2025-02-08 08:46:22,860 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:46:22,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:46:22,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:46:22,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:46:22,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:46:18" (1/3) ... [2025-02-08 08:46:22,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412cf058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:46:22, skipping insertion in model container [2025-02-08 08:46:22,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:46:21" (2/3) ... [2025-02-08 08:46:22,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412cf058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:46:22, skipping insertion in model container [2025-02-08 08:46:22,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:46:22" (3/3) ... [2025-02-08 08:46:22,873 INFO L128 eAbstractionObserver]: Analyzing ICFG rwlock.i [2025-02-08 08:46:22,892 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:46:22,894 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rwlock.i that has 3 procedures, 188 locations, 1 initial locations, 70 loop locations, and 48 error locations. [2025-02-08 08:46:22,894 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 08:46:23,055 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 08:46:23,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 194 places, 257 transitions, 528 flow [2025-02-08 08:46:23,242 INFO L124 PetriNetUnfolderBase]: 140/510 cut-off events. [2025-02-08 08:46:23,244 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-08 08:46:23,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 510 events. 140/510 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2858 event pairs, 0 based on Foata normal form. 0/268 useless extension candidates. Maximal degree in co-relation 291. Up to 12 conditions per place. [2025-02-08 08:46:23,262 INFO L82 GeneralOperation]: Start removeDead. Operand has 194 places, 257 transitions, 528 flow [2025-02-08 08:46:23,281 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 194 places, 257 transitions, 528 flow [2025-02-08 08:46:23,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:46:23,303 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=None, 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;@3d953636, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:46:23,304 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2025-02-08 08:46:23,316 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:46:23,316 INFO L124 PetriNetUnfolderBase]: 6/17 cut-off events. [2025-02-08 08:46:23,316 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:46:23,317 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:46:23,317 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:46:23,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] === [2025-02-08 08:46:23,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:46:23,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1607631953, now seen corresponding path program 1 times [2025-02-08 08:46:23,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:46:23,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048158107] [2025-02-08 08:46:23,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:46:23,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:46:23,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:46:23,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:46:23,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:46:23,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:46:23,477 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 08:46:23,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:46:23,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048158107] [2025-02-08 08:46:23,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048158107] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:46:23,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:46:23,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:46:23,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88380400] [2025-02-08 08:46:23,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:46:23,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 08:46:23,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:46:23,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 08:46:23,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 08:46:23,516 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 257 [2025-02-08 08:46:23,518 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 257 transitions, 528 flow. Second operand has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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 08:46:23,519 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:46:23,519 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 257 [2025-02-08 08:46:23,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:46:24,135 INFO L124 PetriNetUnfolderBase]: 1366/3063 cut-off events. [2025-02-08 08:46:24,135 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2025-02-08 08:46:24,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5385 conditions, 3063 events. 1366/3063 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 21713 event pairs, 1366 based on Foata normal form. 2149/4511 useless extension candidates. Maximal degree in co-relation 4946. Up to 2297 conditions per place. [2025-02-08 08:46:24,169 INFO L140 encePairwiseOnDemand]: 216/257 looper letters, 32 selfloop transitions, 0 changer transitions 0/85 dead transitions. [2025-02-08 08:46:24,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 85 transitions, 242 flow [2025-02-08 08:46:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 08:46:24,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 08:46:24,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 251 transitions. [2025-02-08 08:46:24,188 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4883268482490272 [2025-02-08 08:46:24,190 INFO L175 Difference]: Start difference. First operand has 194 places, 257 transitions, 528 flow. Second operand 2 states and 251 transitions. [2025-02-08 08:46:24,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 85 transitions, 242 flow [2025-02-08 08:46:24,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 85 transitions, 242 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 08:46:24,200 INFO L231 Difference]: Finished difference. Result has 91 places, 85 transitions, 178 flow [2025-02-08 08:46:24,203 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=178, PETRI_PLACES=91, PETRI_TRANSITIONS=85} [2025-02-08 08:46:24,207 INFO L279 CegarLoopForPetriNet]: 194 programPoint places, -103 predicate places. [2025-02-08 08:46:24,209 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 85 transitions, 178 flow [2025-02-08 08:46:24,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.0) internal successors, (182), 2 states have internal predecessors, (182), 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 08:46:24,210 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:46:24,210 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:46:24,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:46:24,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] === [2025-02-08 08:46:24,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:46:24,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1451190010, now seen corresponding path program 1 times [2025-02-08 08:46:24,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:46:24,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767599317] [2025-02-08 08:46:24,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:46:24,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:46:24,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:46:24,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:46:24,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:46:24,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:46:24,365 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 08:46:24,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:46:24,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767599317] [2025-02-08 08:46:24,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767599317] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:46:24,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:46:24,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:46:24,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630321248] [2025-02-08 08:46:24,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:46:24,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:46:24,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:46:24,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:46:24,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:46:24,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 257 [2025-02-08 08:46:24,393 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 85 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 08:46:24,393 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:46:24,393 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 257 [2025-02-08 08:46:24,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:46:24,923 INFO L124 PetriNetUnfolderBase]: 1658/3621 cut-off events. [2025-02-08 08:46:24,924 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-08 08:46:24,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6426 conditions, 3621 events. 1658/3621 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 25929 event pairs, 1374 based on Foata normal form. 0/2864 useless extension candidates. Maximal degree in co-relation 6421. Up to 2314 conditions per place. [2025-02-08 08:46:24,955 INFO L140 encePairwiseOnDemand]: 252/257 looper letters, 48 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2025-02-08 08:46:24,956 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 97 transitions, 302 flow [2025-02-08 08:46:24,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:46:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 08:46:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2025-02-08 08:46:24,958 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39169909208819714 [2025-02-08 08:46:24,958 INFO L175 Difference]: Start difference. First operand has 91 places, 85 transitions, 178 flow. Second operand 3 states and 302 transitions. [2025-02-08 08:46:24,958 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 97 transitions, 302 flow [2025-02-08 08:46:24,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 97 transitions, 302 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 08:46:24,961 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 176 flow [2025-02-08 08:46:24,961 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=176, PETRI_PLACES=90, PETRI_TRANSITIONS=82} [2025-02-08 08:46:24,962 INFO L279 CegarLoopForPetriNet]: 194 programPoint places, -104 predicate places. [2025-02-08 08:46:24,962 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 176 flow [2025-02-08 08:46:24,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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 08:46:24,962 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:46:24,962 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:46:24,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:46:24,964 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] === [2025-02-08 08:46:24,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:46:24,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1451190011, now seen corresponding path program 1 times [2025-02-08 08:46:24,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:46:24,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921938604] [2025-02-08 08:46:24,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:46:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:46:24,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:46:24,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:46:25,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:46:25,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:46:25,237 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 08:46:25,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:46:25,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921938604] [2025-02-08 08:46:25,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921938604] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:46:25,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:46:25,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:46:25,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006447933] [2025-02-08 08:46:25,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:46:25,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:46:25,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:46:25,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:46:25,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:46:25,286 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 257 [2025-02-08 08:46:25,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 82 transitions, 176 flow. Second operand has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 08:46:25,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:46:25,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 257 [2025-02-08 08:46:25,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:46:25,665 INFO L124 PetriNetUnfolderBase]: 1303/3136 cut-off events. [2025-02-08 08:46:25,665 INFO L125 PetriNetUnfolderBase]: For 91/91 co-relation queries the response was YES. [2025-02-08 08:46:25,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5387 conditions, 3136 events. 1303/3136 cut-off events. For 91/91 co-relation queries the response was YES. Maximal size of possible extension queue 143. Compared 23172 event pairs, 449 based on Foata normal form. 10/2536 useless extension candidates. Maximal degree in co-relation 5381. Up to 1683 conditions per place. [2025-02-08 08:46:25,685 INFO L140 encePairwiseOnDemand]: 250/257 looper letters, 51 selfloop transitions, 5 changer transitions 0/105 dead transitions. [2025-02-08 08:46:25,685 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 105 transitions, 334 flow [2025-02-08 08:46:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:46:25,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-08 08:46:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 410 transitions. [2025-02-08 08:46:25,689 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39883268482490275 [2025-02-08 08:46:25,689 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 176 flow. Second operand 4 states and 410 transitions. [2025-02-08 08:46:25,689 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 105 transitions, 334 flow [2025-02-08 08:46:25,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 105 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 08:46:25,697 INFO L231 Difference]: Finished difference. Result has 92 places, 82 transitions, 194 flow [2025-02-08 08:46:25,697 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=257, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=194, PETRI_PLACES=92, PETRI_TRANSITIONS=82} [2025-02-08 08:46:25,698 INFO L279 CegarLoopForPetriNet]: 194 programPoint places, -102 predicate places. [2025-02-08 08:46:25,699 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 82 transitions, 194 flow [2025-02-08 08:46:25,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 89.0) internal successors, (356), 4 states have internal predecessors, (356), 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 08:46:25,699 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:46:25,699 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:46:25,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:46:25,700 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] === [2025-02-08 08:46:25,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:46:25,701 INFO L85 PathProgramCache]: Analyzing trace with hash 4848795, now seen corresponding path program 1 times [2025-02-08 08:46:25,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:46:25,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025865324] [2025-02-08 08:46:25,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:46:25,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:46:25,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:46:25,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:46:25,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:46:25,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:46:25,738 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 08:46:25,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 08:46:25,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 08:46:25,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:46:25,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 08:46:25,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 08:46:25,790 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 08:46:25,791 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 81 remaining) [2025-02-08 08:46:25,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 81 remaining) [2025-02-08 08:46:25,793 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 81 remaining) [2025-02-08 08:46:25,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 81 remaining) [2025-02-08 08:46:25,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 81 remaining) [2025-02-08 08:46:25,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 81 remaining) [2025-02-08 08:46:25,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 81 remaining) [2025-02-08 08:46:25,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 81 remaining) [2025-02-08 08:46:25,794 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONMEMORY_LEAK (69 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 81 remaining) [2025-02-08 08:46:25,795 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (58 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (57 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (56 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 81 remaining) [2025-02-08 08:46:25,796 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 81 remaining) [2025-02-08 08:46:25,797 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr4ASSERT_VIOLATIONMEMORY_LEAK (24 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 81 remaining) [2025-02-08 08:46:25,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 81 remaining) [2025-02-08 08:46:25,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 81 remaining) [2025-02-08 08:46:25,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 81 remaining) [2025-02-08 08:46:25,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 81 remaining) [2025-02-08 08:46:25,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 81 remaining) [2025-02-08 08:46:25,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 81 remaining) [2025-02-08 08:46:25,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 81 remaining) [2025-02-08 08:46:25,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 81 remaining) [2025-02-08 08:46:25,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location writerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 81 remaining) [2025-02-08 08:46:25,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:46:25,801 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-08 08:46:25,806 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 08:46:25,806 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 08:46:25,980 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-02-08 08:46:25,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 429 transitions, 890 flow [2025-02-08 08:46:26,234 INFO L124 PetriNetUnfolderBase]: 399/1449 cut-off events. [2025-02-08 08:46:26,235 INFO L125 PetriNetUnfolderBase]: For 40/49 co-relation queries the response was YES. [2025-02-08 08:46:26,256 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1506 conditions, 1449 events. 399/1449 cut-off events. For 40/49 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 9790 event pairs, 1 based on Foata normal form. 0/773 useless extension candidates. Maximal degree in co-relation 887. Up to 48 conditions per place. [2025-02-08 08:46:26,256 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 429 transitions, 890 flow [2025-02-08 08:46:26,294 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 328 places, 429 transitions, 890 flow [2025-02-08 08:46:26,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:46:26,299 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=None, 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;@3d953636, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:46:26,300 INFO L334 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2025-02-08 08:46:26,302 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 08:46:26,302 INFO L124 PetriNetUnfolderBase]: 6/17 cut-off events. [2025-02-08 08:46:26,302 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 08:46:26,302 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:46:26,302 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:46:26,302 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 113 more)] === [2025-02-08 08:46:26,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:46:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2016074493, now seen corresponding path program 1 times [2025-02-08 08:46:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:46:26,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719624599] [2025-02-08 08:46:26,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:46:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:46:26,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:46:26,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:46:26,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:46:26,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:46:26,327 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 08:46:26,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:46:26,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719624599] [2025-02-08 08:46:26,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719624599] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:46:26,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:46:26,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:46:26,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700622048] [2025-02-08 08:46:26,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:46:26,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 08:46:26,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:46:26,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 08:46:26,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 08:46:26,329 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 429 [2025-02-08 08:46:26,330 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 429 transitions, 890 flow. Second operand has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 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 08:46:26,330 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:46:26,330 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 429 [2025-02-08 08:46:26,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 08:46:49,729 INFO L124 PetriNetUnfolderBase]: 213893/291972 cut-off events. [2025-02-08 08:46:49,729 INFO L125 PetriNetUnfolderBase]: For 2345/2345 co-relation queries the response was YES. [2025-02-08 08:46:50,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574969 conditions, 291972 events. 213893/291972 cut-off events. For 2345/2345 co-relation queries the response was YES. Maximal size of possible extension queue 10195. Compared 2239207 event pairs, 213893 based on Foata normal form. 249403/460071 useless extension candidates. Maximal degree in co-relation 403365. Up to 280597 conditions per place. [2025-02-08 08:46:51,652 INFO L140 encePairwiseOnDemand]: 373/429 looper letters, 49 selfloop transitions, 0 changer transitions 0/114 dead transitions. [2025-02-08 08:46:51,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 114 transitions, 346 flow [2025-02-08 08:46:51,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 08:46:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 08:46:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 379 transitions. [2025-02-08 08:46:51,654 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4417249417249417 [2025-02-08 08:46:51,654 INFO L175 Difference]: Start difference. First operand has 328 places, 429 transitions, 890 flow. Second operand 2 states and 379 transitions. [2025-02-08 08:46:51,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 114 transitions, 346 flow [2025-02-08 08:46:51,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 114 transitions, 346 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 08:46:51,659 INFO L231 Difference]: Finished difference. Result has 124 places, 114 transitions, 248 flow [2025-02-08 08:46:51,660 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=248, PETRI_PLACES=124, PETRI_TRANSITIONS=114} [2025-02-08 08:46:51,661 INFO L279 CegarLoopForPetriNet]: 328 programPoint places, -204 predicate places. [2025-02-08 08:46:51,662 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 114 transitions, 248 flow [2025-02-08 08:46:51,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 139.0) internal successors, (278), 2 states have internal predecessors, (278), 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 08:46:51,662 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 08:46:51,662 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:46:51,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:46:51,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 113 more)] === [2025-02-08 08:46:51,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:46:51,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1278823814, now seen corresponding path program 1 times [2025-02-08 08:46:51,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:46:51,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781332255] [2025-02-08 08:46:51,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:46:51,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:46:51,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:46:51,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:46:51,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:46:51,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:46:51,733 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 08:46:51,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:46:51,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781332255] [2025-02-08 08:46:51,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781332255] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:46:51,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:46:51,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:46:51,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269623267] [2025-02-08 08:46:51,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:46:51,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:46:51,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:46:51,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:46:51,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:46:51,764 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 429 [2025-02-08 08:46:51,766 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 114 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 08:46:51,766 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 08:46:51,766 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 429 [2025-02-08 08:46:51,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand