./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/libvsync/ttaslock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/ttaslock.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1232142cbd2d3669d71853399351b59e265805f095536d7cdae31e54b7810261 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 14:15:28,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 14:15:28,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 14:15:28,495 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 14:15:28,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 14:15:28,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 14:15:28,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 14:15:28,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 14:15:28,534 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 14:15:28,534 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 14:15:28,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 14:15:28,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 14:15:28,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 14:15:28,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 14:15:28,536 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 14:15:28,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 14:15:28,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 14:15:28,536 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 14:15:28,537 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:15:28,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 14:15:28,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 14:15:28,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 14:15:28,538 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 14:15:28,538 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 14:15:28,538 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 14:15:28,538 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1232142cbd2d3669d71853399351b59e265805f095536d7cdae31e54b7810261 [2025-02-08 14:15:28,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 14:15:28,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 14:15:28,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 14:15:28,921 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 14:15:28,921 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 14:15:28,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/ttaslock.i [2025-02-08 14:15:30,195 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f0de25e8/704cfa06e761445ba38cd179384333d3/FLAG85881531d [2025-02-08 14:15:30,847 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 14:15:30,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/libvsync/ttaslock.i [2025-02-08 14:15:30,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f0de25e8/704cfa06e761445ba38cd179384333d3/FLAG85881531d [2025-02-08 14:15:31,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5f0de25e8/704cfa06e761445ba38cd179384333d3 [2025-02-08 14:15:31,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 14:15:31,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 14:15:31,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 14:15:31,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 14:15:31,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 14:15:31,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:15:31" (1/1) ... [2025-02-08 14:15:31,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb036d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:31, skipping insertion in model container [2025-02-08 14:15:31,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:15:31" (1/1) ... [2025-02-08 14:15:31,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 14:15:32,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:15:32,830 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 14:15:32,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-02-08 14:15:32,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-02-08 14:15:32,935 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-02-08 14:15:32,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-02-08 14:15:32,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-02-08 14:15:32,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-02-08 14:15:32,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-02-08 14:15:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-02-08 14:15:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-02-08 14:15:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-02-08 14:15:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-02-08 14:15:32,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-02-08 14:15:32,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-02-08 14:15:32,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-02-08 14:15:32,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-02-08 14:15:32,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-02-08 14:15:32,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-02-08 14:15:32,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-02-08 14:15:32,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-02-08 14:15:32,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-02-08 14:15:32,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-02-08 14:15:32,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-02-08 14:15:32,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-02-08 14:15:32,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-02-08 14:15:32,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-02-08 14:15:32,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-02-08 14:15:32,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-02-08 14:15:32,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-02-08 14:15:32,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-02-08 14:15:32,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-02-08 14:15:32,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-02-08 14:15:32,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-02-08 14:15:32,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-02-08 14:15:32,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-02-08 14:15:32,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-02-08 14:15:32,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-02-08 14:15:32,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-02-08 14:15:32,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-02-08 14:15:32,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-02-08 14:15:32,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-02-08 14:15:32,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-02-08 14:15:32,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-02-08 14:15:32,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-02-08 14:15:32,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-02-08 14:15:32,957 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-02-08 14:15:32,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-02-08 14:15:32,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-02-08 14:15:32,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-02-08 14:15:32,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-02-08 14:15:32,958 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-02-08 14:15:32,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-02-08 14:15:32,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-02-08 14:15:32,959 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-02-08 14:15:32,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-02-08 14:15:32,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-02-08 14:15:32,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-02-08 14:15:32,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-02-08 14:15:32,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-02-08 14:15:32,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-02-08 14:15:32,965 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-02-08 14:15:32,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-02-08 14:15:32,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-02-08 14:15:32,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-02-08 14:15:32,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-02-08 14:15:32,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-02-08 14:15:32,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-02-08 14:15:32,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-02-08 14:15:32,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-02-08 14:15:32,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-02-08 14:15:32,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-02-08 14:15:32,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-02-08 14:15:32,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-02-08 14:15:32,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-02-08 14:15:32,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-02-08 14:15:32,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-02-08 14:15:32,972 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-02-08 14:15:32,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-02-08 14:15:32,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-02-08 14:15:32,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-02-08 14:15:32,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-02-08 14:15:32,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-02-08 14:15:32,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-02-08 14:15:32,977 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-02-08 14:15:32,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-02-08 14:15:32,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-02-08 14:15:32,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-02-08 14:15:32,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-02-08 14:15:32,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-02-08 14:15:32,978 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-02-08 14:15:32,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-02-08 14:15:32,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-02-08 14:15:32,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-02-08 14:15:32,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-02-08 14:15:32,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-02-08 14:15:32,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-02-08 14:15:32,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-02-08 14:15:32,984 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-02-08 14:15:32,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-02-08 14:15:32,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-02-08 14:15:32,985 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-02-08 14:15:33,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 14:15:33,322 INFO L204 MainTranslator]: Completed translation [2025-02-08 14:15:33,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33 WrapperNode [2025-02-08 14:15:33,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 14:15:33,324 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 14:15:33,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 14:15:33,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 14:15:33,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,429 INFO L138 Inliner]: procedures = 917, calls = 913, calls flagged for inlining = 815, calls inlined = 29, statements flattened = 269 [2025-02-08 14:15:33,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 14:15:33,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 14:15:33,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 14:15:33,430 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 14:15:33,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,468 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 3 writes are split as follows [0, 2, 1]. [2025-02-08 14:15:33,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,472 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,477 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 14:15:33,493 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 14:15:33,493 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 14:15:33,493 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 14:15:33,493 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (1/1) ... [2025-02-08 14:15:33,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 14:15:33,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 14:15:33,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 14:15:33,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 14:15:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 14:15:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 14:15:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 14:15:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 14:15:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 14:15:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-02-08 14:15:33,546 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 14:15:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 14:15:33,547 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 14:15:33,648 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 14:15:33,649 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 14:15:33,907 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3867-1: vatomic32_xchg_~a#1.base, vatomic32_xchg_~a#1.offset := vatomic32_xchg_#in~a#1.base, vatomic32_xchg_#in~a#1.offset; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3867: vatomic32_xchg_~v#1 := vatomic32_xchg_#in~v#1; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4842: vatomic32_await_eq_~ret~0#1 := vatomic32_await_eq_~o~5#1; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L565-1: verification_spin_end_~v#1 := verification_spin_end_#in~v#1; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3871: vatomic32_xchg_~tmp~8#1 := vatomic32_xchg_#t~mem438#1; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume true; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568: assume !true; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume false; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-1: assume !false; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume true; [2025-02-08 14:15:33,908 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-2: assume !true; [2025-02-08 14:15:33,909 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume false; [2025-02-08 14:15:33,909 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-3: assume !false; [2025-02-08 14:15:33,909 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume true; [2025-02-08 14:15:33,912 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-4: assume !true; [2025-02-08 14:15:33,912 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-5: assume !false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume true; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-6: assume !true; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-7: assume !false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume true; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-8: assume !true; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-9: assume !false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume true; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-10: assume !true; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L568-11: assume !false; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3872: havoc vatomic32_xchg_#t~mem438#1; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3872-2: SUMMARY for call write~int#1(vatomic32_xchg_~v#1, vatomic32_xchg_~a#1.base, vatomic32_xchg_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3872-1: [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3872-4: [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3872-3: SUMMARY for call vatomic32_xchg_#t~mem438#1 := read~int#1(vatomic32_xchg_~a#1.base, vatomic32_xchg_~a#1.offset, 4); srcloc: null [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1907: vatomic32_xchg_acq_~v#1 := vatomic32_xchg_acq_#in~v#1; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1907-1: vatomic32_xchg_acq_~a#1.base, vatomic32_xchg_acq_~a#1.offset := vatomic32_xchg_acq_#in~a#1.base, vatomic32_xchg_acq_#in~a#1.offset; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255: havoc vatomic32_await_eq_rlx_#t~ret168#1; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255-3: assume { :end_inline_vatomic32_await_eq } true;vatomic32_await_eq_rlx_#res#1 := vatomic32_await_eq_rlx_#t~ret168#1; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255-2: havoc vatomic32_await_eq_rlx_#t~ret168#1; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255-5: havoc vatomic32_await_eq_#t~ret636#1, vatomic32_await_eq_#t~ite637#1, vatomic32_await_eq_~a#1.base, vatomic32_await_eq_~a#1.offset, vatomic32_await_eq_~c#1, vatomic32_await_eq_~ret~0#1, vatomic32_await_eq_~o~5#1; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255-4: havoc vatomic32_await_eq_#in~a#1.base, vatomic32_await_eq_#in~a#1.offset, vatomic32_await_eq_#in~c#1; [2025-02-08 14:15:33,913 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255-6: vatomic32_await_eq_rlx_#t~ret168#1 := vatomic32_await_eq_#res#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3874-1: vatomic32_xchg_#res#1 := vatomic32_xchg_~tmp~8#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910: havoc vatomic32_xchg_acq_#t~ret115#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-2: havoc vatomic32_xchg_acq_#t~ret115#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-3: assume { :end_inline_vatomic32_xchg } true;vatomic32_xchg_acq_#res#1 := vatomic32_xchg_acq_#t~ret115#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-4: havoc vatomic32_xchg_#in~a#1.base, vatomic32_xchg_#in~a#1.offset, vatomic32_xchg_#in~v#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-5: havoc vatomic32_xchg_#t~mem438#1, vatomic32_xchg_~a#1.base, vatomic32_xchg_~a#1.offset, vatomic32_xchg_~v#1, vatomic32_xchg_~tmp~8#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-6: vatomic32_xchg_acq_#t~ret115#1 := vatomic32_xchg_#res#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-7: havoc vatomic32_xchg_#t~mem438#1, vatomic32_xchg_~a#1.base, vatomic32_xchg_~a#1.offset, vatomic32_xchg_~v#1, vatomic32_xchg_~tmp~8#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-8: havoc vatomic32_xchg_#res#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910-9: assume { :begin_inline_vatomic32_xchg } true;vatomic32_xchg_#in~a#1.base, vatomic32_xchg_#in~a#1.offset, vatomic32_xchg_#in~v#1 := vatomic32_xchg_acq_~a#1.base, vatomic32_xchg_acq_~a#1.offset, vatomic32_xchg_acq_~v#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume { :end_inline_vatomic32_await_eq_rlx } true;havoc ttaslock_acquire_#t~ret758#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383-1: havoc vatomic32_await_eq_rlx_#in~a#1.base, vatomic32_await_eq_rlx_#in~a#1.offset, vatomic32_await_eq_rlx_#in~v#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383-2: havoc vatomic32_await_eq_rlx_#t~ret168#1, vatomic32_await_eq_rlx_~a#1.base, vatomic32_await_eq_rlx_~a#1.offset, vatomic32_await_eq_rlx_~v#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383-3: ttaslock_acquire_#t~ret758#1 := vatomic32_await_eq_rlx_#res#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-1: havoc ttaslock_acquire_#t~ret759#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-2: havoc ttaslock_acquire_#t~ret759#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384: assume 0 == ttaslock_acquire_#t~ret759#1 % 4294967296; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384: assume !(0 == ttaslock_acquire_#t~ret759#1 % 4294967296); [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-5: ttaslock_acquire_#t~ret759#1 := vatomic32_xchg_acq_#res#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-6: havoc vatomic32_xchg_acq_#t~ret115#1, vatomic32_xchg_acq_~a#1.base, vatomic32_xchg_acq_~a#1.offset, vatomic32_xchg_acq_~v#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-3: havoc vatomic32_xchg_acq_#in~a#1.base, vatomic32_xchg_acq_#in~a#1.offset, vatomic32_xchg_acq_#in~v#1;assume { :end_inline_vatomic32_xchg_acq } true; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-4: havoc vatomic32_xchg_acq_#t~ret115#1, vatomic32_xchg_acq_~a#1.base, vatomic32_xchg_acq_~a#1.offset, vatomic32_xchg_acq_~v#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-7: havoc vatomic32_xchg_acq_#res#1; [2025-02-08 14:15:33,914 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L5384-8: assume { :begin_inline_vatomic32_xchg_acq } true;vatomic32_xchg_acq_#in~a#1.base, vatomic32_xchg_acq_#in~a#1.offset, vatomic32_xchg_acq_#in~v#1 := ttaslock_acquire_~l#1.base, ttaslock_acquire_~l#1.offset, 1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-1: havoc verification_spin_end_#in~v#1;assume { :end_inline_verification_spin_end } true; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-2: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-5: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-6: havoc vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-3: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-4: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 0; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-9: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-10: assume { :end_inline_verification_spin_end } true;vatomic32_await_eq_#t~ite637#1 := 0; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume 0 != vatomic32_await_eq_#t~ite637#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-7: assume !(0 != vatomic32_await_eq_#t~ite637#1); [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-8: havoc vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-13: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-14: assume vatomic32_await_eq_~o~5#1 % 4294967296 != vatomic32_await_eq_~c#1 % 4294967296; [2025-02-08 14:15:33,915 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-14: assume !(vatomic32_await_eq_~o~5#1 % 4294967296 != vatomic32_await_eq_~c#1 % 4294967296); [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-11: havoc verification_spin_end_#in~v#1; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-12: havoc verification_spin_end_~v#1; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-17: assume { :end_inline_vatomic32_read } true;vatomic32_await_eq_~o~5#1 := vatomic32_await_eq_#t~ret636#1; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-18: havoc vatomic32_read_#in~a#1.base, vatomic32_read_#in~a#1.offset; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-15: vatomic32_await_eq_#t~ite637#1 := 1; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-16: assume { :begin_inline_verification_spin_end } true;verification_spin_end_#in~v#1 := 1; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-19: havoc vatomic32_read_#t~mem432#1, vatomic32_read_~a#1.base, vatomic32_read_~a#1.offset, vatomic32_read_~tmp~2#1; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4840-20: vatomic32_await_eq_#t~ret636#1 := vatomic32_read_#res#1; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume true; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841: assume !true; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume false; [2025-02-08 14:15:33,916 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L4841-1: assume !false; [2025-02-08 14:15:33,991 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-02-08 14:15:33,991 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-02-08 14:15:33,992 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 14:15:33,992 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 14:15:34,165 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 14:15:34,165 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 14:15:34,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:15:34 BoogieIcfgContainer [2025-02-08 14:15:34,166 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 14:15:34,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 14:15:34,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 14:15:34,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 14:15:34,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:15:31" (1/3) ... [2025-02-08 14:15:34,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d958fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:15:34, skipping insertion in model container [2025-02-08 14:15:34,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:15:33" (2/3) ... [2025-02-08 14:15:34,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d958fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:15:34, skipping insertion in model container [2025-02-08 14:15:34,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:15:34" (3/3) ... [2025-02-08 14:15:34,179 INFO L128 eAbstractionObserver]: Analyzing ICFG ttaslock.i [2025-02-08 14:15:34,195 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 14:15:34,196 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ttaslock.i that has 2 procedures, 87 locations, 1 initial locations, 37 loop locations, and 6 error locations. [2025-02-08 14:15:34,197 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 14:15:34,272 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-02-08 14:15:34,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 137 transitions, 281 flow [2025-02-08 14:15:34,326 INFO L124 PetriNetUnfolderBase]: 60/163 cut-off events. [2025-02-08 14:15:34,328 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 14:15:34,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 168 conditions, 163 events. 60/163 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 507 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 119. Up to 6 conditions per place. [2025-02-08 14:15:34,332 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 137 transitions, 281 flow [2025-02-08 14:15:34,335 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 135 transitions, 274 flow [2025-02-08 14:15:34,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:34,351 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c55852c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:34,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-02-08 14:15:34,367 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:34,368 INFO L124 PetriNetUnfolderBase]: 16/49 cut-off events. [2025-02-08 14:15:34,368 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:15:34,368 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:34,369 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:34,369 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-02-08 14:15:34,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:34,374 INFO L85 PathProgramCache]: Analyzing trace with hash -102271600, now seen corresponding path program 1 times [2025-02-08 14:15:34,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:34,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320687877] [2025-02-08 14:15:34,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:34,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:34,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 14:15:34,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 14:15:34,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:34,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:34,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:15:34,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:34,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320687877] [2025-02-08 14:15:34,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320687877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:34,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:34,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:34,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051330741] [2025-02-08 14:15:34,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:34,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:34,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:34,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:34,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:34,552 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 137 [2025-02-08 14:15:34,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 135 transitions, 274 flow. Second operand has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:15:34,554 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:34,554 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 137 [2025-02-08 14:15:34,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:15:34,746 INFO L124 PetriNetUnfolderBase]: 182/739 cut-off events. [2025-02-08 14:15:34,747 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 14:15:34,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 739 events. 182/739 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4156 event pairs, 162 based on Foata normal form. 450/1092 useless extension candidates. Maximal degree in co-relation 1084. Up to 383 conditions per place. [2025-02-08 14:15:34,753 INFO L140 encePairwiseOnDemand]: 89/137 looper letters, 32 selfloop transitions, 0 changer transitions 0/83 dead transitions. [2025-02-08 14:15:34,753 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 83 transitions, 234 flow [2025-02-08 14:15:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:15:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 14:15:34,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 188 transitions. [2025-02-08 14:15:34,765 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6861313868613139 [2025-02-08 14:15:34,768 INFO L175 Difference]: Start difference. First operand has 89 places, 135 transitions, 274 flow. Second operand 2 states and 188 transitions. [2025-02-08 14:15:34,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 83 transitions, 234 flow [2025-02-08 14:15:34,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 83 transitions, 234 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 14:15:34,775 INFO L231 Difference]: Finished difference. Result has 85 places, 83 transitions, 170 flow [2025-02-08 14:15:34,778 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=137, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=170, PETRI_PLACES=85, PETRI_TRANSITIONS=83} [2025-02-08 14:15:34,781 INFO L279 CegarLoopForPetriNet]: 89 programPoint places, -4 predicate places. [2025-02-08 14:15:34,782 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 83 transitions, 170 flow [2025-02-08 14:15:34,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:15:34,782 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:34,782 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:34,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 14:15:34,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-02-08 14:15:34,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:34,784 INFO L85 PathProgramCache]: Analyzing trace with hash 109075362, now seen corresponding path program 1 times [2025-02-08 14:15:34,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:34,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242777895] [2025-02-08 14:15:34,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:34,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:34,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:15:34,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:15:34,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:34,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:34,832 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:15:34,840 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 14:15:34,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 14:15:34,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:34,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:34,881 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:15:34,881 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 14:15:34,882 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2025-02-08 14:15:34,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2025-02-08 14:15:34,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2025-02-08 14:15:34,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2025-02-08 14:15:34,883 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2025-02-08 14:15:34,884 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2025-02-08 14:15:34,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 14:15:34,885 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 14:15:34,886 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 14:15:34,886 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 14:15:34,936 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-02-08 14:15:34,939 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 152 places, 231 transitions, 478 flow [2025-02-08 14:15:34,965 INFO L124 PetriNetUnfolderBase]: 109/299 cut-off events. [2025-02-08 14:15:34,965 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-02-08 14:15:34,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 311 conditions, 299 events. 109/299 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1205 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 225. Up to 12 conditions per place. [2025-02-08 14:15:34,967 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 231 transitions, 478 flow [2025-02-08 14:15:34,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 152 places, 231 transitions, 478 flow [2025-02-08 14:15:34,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:34,972 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c55852c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:34,973 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2025-02-08 14:15:34,980 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:34,980 INFO L124 PetriNetUnfolderBase]: 34/100 cut-off events. [2025-02-08 14:15:34,980 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 14:15:34,980 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:34,981 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:34,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-02-08 14:15:34,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:34,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1119898058, now seen corresponding path program 1 times [2025-02-08 14:15:34,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:34,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113066491] [2025-02-08 14:15:34,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:34,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:34,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 14:15:35,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 14:15:35,006 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:35,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:35,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:15:35,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:35,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113066491] [2025-02-08 14:15:35,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113066491] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:35,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:35,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:35,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011440762] [2025-02-08 14:15:35,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:35,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:35,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:35,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:35,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:35,041 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 231 [2025-02-08 14:15:35,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 231 transitions, 478 flow. Second operand has 2 states, 2 states have (on average 96.5) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:15:35,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:35,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 231 [2025-02-08 14:15:35,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 14:15:37,889 INFO L124 PetriNetUnfolderBase]: 7621/18077 cut-off events. [2025-02-08 14:15:37,890 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2025-02-08 14:15:37,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29764 conditions, 18077 events. 7621/18077 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 527. Compared 174550 event pairs, 6804 based on Foata normal form. 13831/28896 useless extension candidates. Maximal degree in co-relation 25457. Up to 11585 conditions per place. [2025-02-08 14:15:37,993 INFO L140 encePairwiseOnDemand]: 151/231 looper letters, 56 selfloop transitions, 0 changer transitions 0/143 dead transitions. [2025-02-08 14:15:37,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 143 transitions, 414 flow [2025-02-08 14:15:37,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 14:15:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 14:15:37,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 322 transitions. [2025-02-08 14:15:37,996 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.696969696969697 [2025-02-08 14:15:37,996 INFO L175 Difference]: Start difference. First operand has 152 places, 231 transitions, 478 flow. Second operand 2 states and 322 transitions. [2025-02-08 14:15:37,996 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 143 transitions, 414 flow [2025-02-08 14:15:38,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 143 transitions, 414 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 14:15:38,002 INFO L231 Difference]: Finished difference. Result has 143 places, 143 transitions, 302 flow [2025-02-08 14:15:38,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=231, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=302, PETRI_PLACES=143, PETRI_TRANSITIONS=143} [2025-02-08 14:15:38,004 INFO L279 CegarLoopForPetriNet]: 152 programPoint places, -9 predicate places. [2025-02-08 14:15:38,004 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 143 transitions, 302 flow [2025-02-08 14:15:38,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 96.5) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:15:38,004 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:38,004 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:38,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 14:15:38,005 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-02-08 14:15:38,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash -805180175, now seen corresponding path program 1 times [2025-02-08 14:15:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:38,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475166832] [2025-02-08 14:15:38,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:38,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:15:38,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:15:38,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:38,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:38,054 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 14:15:38,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 14:15:38,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 14:15:38,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:38,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 14:15:38,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 14:15:38,092 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 14:15:38,092 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2025-02-08 14:15:38,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2025-02-08 14:15:38,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2025-02-08 14:15:38,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2025-02-08 14:15:38,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2025-02-08 14:15:38,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2025-02-08 14:15:38,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2025-02-08 14:15:38,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2025-02-08 14:15:38,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 14:15:38,094 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-02-08 14:15:38,095 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 14:15:38,095 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 14:15:38,288 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-02-08 14:15:38,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 325 transitions, 677 flow [2025-02-08 14:15:38,347 INFO L124 PetriNetUnfolderBase]: 169/464 cut-off events. [2025-02-08 14:15:38,348 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-02-08 14:15:38,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 489 conditions, 464 events. 169/464 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2117 event pairs, 1 based on Foata normal form. 0/267 useless extension candidates. Maximal degree in co-relation 347. Up to 24 conditions per place. [2025-02-08 14:15:38,354 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 325 transitions, 677 flow [2025-02-08 14:15:38,362 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 214 places, 325 transitions, 677 flow [2025-02-08 14:15:38,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 14:15:38,364 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6c55852c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 14:15:38,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-02-08 14:15:38,375 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 14:15:38,375 INFO L124 PetriNetUnfolderBase]: 54/158 cut-off events. [2025-02-08 14:15:38,376 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-02-08 14:15:38,376 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 14:15:38,376 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 14:15:38,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-02-08 14:15:38,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 14:15:38,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1404856561, now seen corresponding path program 1 times [2025-02-08 14:15:38,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 14:15:38,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721655584] [2025-02-08 14:15:38,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 14:15:38,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 14:15:38,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 14:15:38,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 14:15:38,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 14:15:38,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 14:15:38,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 14:15:38,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 14:15:38,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721655584] [2025-02-08 14:15:38,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721655584] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 14:15:38,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 14:15:38,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 14:15:38,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254434143] [2025-02-08 14:15:38,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 14:15:38,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 14:15:38,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 14:15:38,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 14:15:38,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 14:15:38,444 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 325 [2025-02-08 14:15:38,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 214 places, 325 transitions, 677 flow. Second operand has 2 states, 2 states have (on average 136.0) internal successors, (272), 2 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 14:15:38,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 14:15:38,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 325 [2025-02-08 14:15:38,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand