./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/libvsync/ttaslock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! 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-?-e2fb8be-m [2025-03-09 06:45:09,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 06:45:09,646 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 06:45:09,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 06:45:09,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 06:45:09,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 06:45:09,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 06:45:09,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 06:45:09,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 06:45:09,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 06:45:09,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 06:45:09,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 06:45:09,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 06:45:09,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 06:45:09,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 06:45:09,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 06:45:09,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 06:45:09,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 06:45:09,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 06:45:09,668 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 06:45:09,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 06:45:09,668 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 06:45:09,668 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 06:45:09,668 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 06:45:09,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:45:09,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 06:45:09,669 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 06:45:09,670 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 06:45:09,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 06:45:09,670 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/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 [2025-03-09 06:45:09,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 06:45:09,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 06:45:09,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 06:45:09,904 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 06:45:09,904 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 06:45:09,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/ttaslock.i [2025-03-09 06:45:11,049 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4821ae11c/aeadb3d273234f79945e567b489b24e8/FLAGbc2ac447c [2025-03-09 06:45:11,508 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 06:45:11,509 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/ttaslock.i [2025-03-09 06:45:11,551 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4821ae11c/aeadb3d273234f79945e567b489b24e8/FLAGbc2ac447c [2025-03-09 06:45:11,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4821ae11c/aeadb3d273234f79945e567b489b24e8 [2025-03-09 06:45:11,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 06:45:11,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 06:45:11,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 06:45:11,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 06:45:11,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 06:45:11,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:45:11" (1/1) ... [2025-03-09 06:45:11,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@162dc44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:11, skipping insertion in model container [2025-03-09 06:45:11,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 06:45:11" (1/1) ... [2025-03-09 06:45:11,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 06:45:13,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:45:13,099 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 06:45:13,195 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-03-09 06:45:13,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-03-09 06:45:13,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-03-09 06:45:13,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-03-09 06:45:13,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-03-09 06:45:13,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-03-09 06:45:13,200 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-03-09 06:45:13,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-03-09 06:45:13,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-03-09 06:45:13,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-03-09 06:45:13,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-03-09 06:45:13,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-03-09 06:45:13,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-03-09 06:45:13,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-03-09 06:45:13,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-03-09 06:45:13,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-03-09 06:45:13,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-03-09 06:45:13,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-03-09 06:45:13,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-03-09 06:45:13,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-03-09 06:45:13,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-03-09 06:45:13,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-03-09 06:45:13,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-03-09 06:45:13,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-03-09 06:45:13,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-03-09 06:45:13,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-03-09 06:45:13,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-03-09 06:45:13,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-03-09 06:45:13,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-03-09 06:45:13,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-03-09 06:45:13,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-03-09 06:45:13,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-03-09 06:45:13,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-03-09 06:45:13,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-03-09 06:45:13,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-03-09 06:45:13,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-03-09 06:45:13,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-03-09 06:45:13,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-03-09 06:45:13,209 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-03-09 06:45:13,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-03-09 06:45:13,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-03-09 06:45:13,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-03-09 06:45:13,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-03-09 06:45:13,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-03-09 06:45:13,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-03-09 06:45:13,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-03-09 06:45:13,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-03-09 06:45:13,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-03-09 06:45:13,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-03-09 06:45:13,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-03-09 06:45:13,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-03-09 06:45:13,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-03-09 06:45:13,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-03-09 06:45:13,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-03-09 06:45:13,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-03-09 06:45:13,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-03-09 06:45:13,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-03-09 06:45:13,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-03-09 06:45:13,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-03-09 06:45:13,218 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-03-09 06:45:13,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-03-09 06:45:13,219 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-03-09 06:45:13,220 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-03-09 06:45:13,221 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-03-09 06:45:13,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-03-09 06:45:13,222 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-03-09 06:45:13,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-03-09 06:45:13,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-03-09 06:45:13,223 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-03-09 06:45:13,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-03-09 06:45:13,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-03-09 06:45:13,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-03-09 06:45:13,224 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-03-09 06:45:13,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-03-09 06:45:13,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-03-09 06:45:13,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-03-09 06:45:13,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-03-09 06:45:13,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-03-09 06:45:13,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-03-09 06:45:13,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-03-09 06:45:13,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-03-09 06:45:13,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-03-09 06:45:13,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-03-09 06:45:13,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-03-09 06:45:13,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-03-09 06:45:13,231 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-03-09 06:45:13,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-03-09 06:45:13,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-03-09 06:45:13,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-03-09 06:45:13,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-03-09 06:45:13,232 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-03-09 06:45:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-03-09 06:45:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-03-09 06:45:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-03-09 06:45:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-03-09 06:45:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-03-09 06:45:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-03-09 06:45:13,233 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-03-09 06:45:13,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-03-09 06:45:13,234 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-03-09 06:45:13,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 06:45:13,460 INFO L204 MainTranslator]: Completed translation [2025-03-09 06:45:13,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13 WrapperNode [2025-03-09 06:45:13,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 06:45:13,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 06:45:13,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 06:45:13,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 06:45:13,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,550 INFO L138 Inliner]: procedures = 917, calls = 913, calls flagged for inlining = 815, calls inlined = 29, statements flattened = 269 [2025-03-09 06:45:13,550 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 06:45:13,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 06:45:13,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 06:45:13,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 06:45:13,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,579 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 2, 5]. 56 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 1]. The 3 writes are split as follows [0, 1, 2]. [2025-03-09 06:45:13,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,591 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,595 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 06:45:13,598 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 06:45:13,598 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 06:45:13,598 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 06:45:13,599 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (1/1) ... [2025-03-09 06:45:13,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 06:45:13,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 06:45:13,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 06:45:13,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 06:45:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 06:45:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 06:45:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 06:45:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 06:45:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 06:45:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 06:45:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-09 06:45:13,649 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-09 06:45:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 06:45:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 06:45:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 06:45:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 06:45:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 06:45:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 06:45:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 06:45:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 06:45:13,651 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 06:45:13,743 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 06:45:13,744 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 06:45:13,995 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2255: havoc vatomic32_await_eq_rlx_#t~ret168#1; [2025-03-09 06:45:13,995 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1910: havoc vatomic32_xchg_acq_#t~ret115#1; [2025-03-09 06:45:14,068 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-09 06:45:14,068 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6001-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-09 06:45:14,069 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 06:45:14,069 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 06:45:14,256 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 06:45:14,256 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 06:45:14,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:45:14 BoogieIcfgContainer [2025-03-09 06:45:14,256 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 06:45:14,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 06:45:14,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 06:45:14,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 06:45:14,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 06:45:11" (1/3) ... [2025-03-09 06:45:14,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcbe45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:45:14, skipping insertion in model container [2025-03-09 06:45:14,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 06:45:13" (2/3) ... [2025-03-09 06:45:14,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcbe45c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 06:45:14, skipping insertion in model container [2025-03-09 06:45:14,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 06:45:14" (3/3) ... [2025-03-09 06:45:14,265 INFO L128 eAbstractionObserver]: Analyzing ICFG ttaslock.i [2025-03-09 06:45:14,277 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 06:45:14,278 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ttaslock.i that has 2 procedures, 80 locations, 1 initial locations, 19 loop locations, and 6 error locations. [2025-03-09 06:45:14,279 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 06:45:14,350 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-09 06:45:14,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 139 transitions, 285 flow [2025-03-09 06:45:14,418 INFO L124 PetriNetUnfolderBase]: 68/161 cut-off events. [2025-03-09 06:45:14,421 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-09 06:45:14,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 166 conditions, 161 events. 68/161 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 404 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2025-03-09 06:45:14,426 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 139 transitions, 285 flow [2025-03-09 06:45:14,429 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 137 transitions, 278 flow [2025-03-09 06:45:14,434 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:45:14,443 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;@65b99620, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:45:14,443 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-09 06:45:14,452 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:45:14,453 INFO L124 PetriNetUnfolderBase]: 22/49 cut-off events. [2025-03-09 06:45:14,453 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:45:14,453 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:45:14,453 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-09 06:45:14,454 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 06:45:14,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:45:14,459 INFO L85 PathProgramCache]: Analyzing trace with hash -410638520, now seen corresponding path program 1 times [2025-03-09 06:45:14,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:45:14,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538465646] [2025-03-09 06:45:14,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:45:14,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:45:14,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 06:45:14,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 06:45:14,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:45:14,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:45:14,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:45:14,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:45:14,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538465646] [2025-03-09 06:45:14,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538465646] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:45:14,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:45:14,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:45:14,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737965222] [2025-03-09 06:45:14,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:45:14,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:45:14,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:45:14,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:45:14,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:45:14,641 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 139 [2025-03-09 06:45:14,644 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 137 transitions, 278 flow. Second operand has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2025-03-09 06:45:14,644 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:45:14,644 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 139 [2025-03-09 06:45:14,645 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:45:14,894 INFO L124 PetriNetUnfolderBase]: 416/1087 cut-off events. [2025-03-09 06:45:14,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 06:45:14,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1916 conditions, 1087 events. 416/1087 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6155 event pairs, 350 based on Foata normal form. 304/1213 useless extension candidates. Maximal degree in co-relation 1877. Up to 825 conditions per place. [2025-03-09 06:45:14,901 INFO L140 encePairwiseOnDemand]: 87/139 looper letters, 55 selfloop transitions, 0 changer transitions 0/85 dead transitions. [2025-03-09 06:45:14,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 85 transitions, 284 flow [2025-03-09 06:45:14,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:45:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-09 06:45:14,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 167 transitions. [2025-03-09 06:45:14,911 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6007194244604317 [2025-03-09 06:45:14,912 INFO L175 Difference]: Start difference. First operand has 82 places, 137 transitions, 278 flow. Second operand 2 states and 167 transitions. [2025-03-09 06:45:14,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 85 transitions, 284 flow [2025-03-09 06:45:14,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 85 transitions, 284 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 06:45:14,921 INFO L231 Difference]: Finished difference. Result has 83 places, 85 transitions, 174 flow [2025-03-09 06:45:14,922 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=139, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=82, 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=174, PETRI_PLACES=83, PETRI_TRANSITIONS=85} [2025-03-09 06:45:14,925 INFO L279 CegarLoopForPetriNet]: 82 programPoint places, 1 predicate places. [2025-03-09 06:45:14,926 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 85 transitions, 174 flow [2025-03-09 06:45:14,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2025-03-09 06:45:14,926 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:45:14,926 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:45:14,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 06:45:14,926 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-09 06:45:14,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:45:14,927 INFO L85 PathProgramCache]: Analyzing trace with hash 773247414, now seen corresponding path program 1 times [2025-03-09 06:45:14,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:45:14,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599405235] [2025-03-09 06:45:14,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:45:14,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:45:14,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:45:14,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:45:14,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:45:14,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:45:14,971 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:45:14,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-09 06:45:14,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-09 06:45:15,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:45:15,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:45:15,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:45:15,018 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 06:45:15,020 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2025-03-09 06:45:15,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2025-03-09 06:45:15,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2025-03-09 06:45:15,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2025-03-09 06:45:15,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2025-03-09 06:45:15,021 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2025-03-09 06:45:15,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2025-03-09 06:45:15,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2025-03-09 06:45:15,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2025-03-09 06:45:15,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2025-03-09 06:45:15,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2025-03-09 06:45:15,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2025-03-09 06:45:15,022 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2025-03-09 06:45:15,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 06:45:15,023 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-09 06:45:15,025 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-09 06:45:15,025 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-09 06:45:15,105 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-09 06:45:15,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 243 transitions, 502 flow [2025-03-09 06:45:15,139 INFO L124 PetriNetUnfolderBase]: 127/303 cut-off events. [2025-03-09 06:45:15,140 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-09 06:45:15,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 303 events. 127/303 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1058 event pairs, 0 based on Foata normal form. 0/160 useless extension candidates. Maximal degree in co-relation 241. Up to 12 conditions per place. [2025-03-09 06:45:15,146 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 243 transitions, 502 flow [2025-03-09 06:45:15,152 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 144 places, 243 transitions, 502 flow [2025-03-09 06:45:15,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:45:15,155 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;@65b99620, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:45:15,155 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2025-03-09 06:45:15,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:45:15,164 INFO L124 PetriNetUnfolderBase]: 41/94 cut-off events. [2025-03-09 06:45:15,164 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-09 06:45:15,164 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:45:15,164 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2025-03-09 06:45:15,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-09 06:45:15,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:45:15,165 INFO L85 PathProgramCache]: Analyzing trace with hash 974106226, now seen corresponding path program 1 times [2025-03-09 06:45:15,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:45:15,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462770039] [2025-03-09 06:45:15,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:45:15,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:45:15,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 06:45:15,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 06:45:15,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:45:15,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:45:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:45:15,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:45:15,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462770039] [2025-03-09 06:45:15,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462770039] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:45:15,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:45:15,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:45:15,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437034707] [2025-03-09 06:45:15,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:45:15,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:45:15,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:45:15,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:45:15,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:45:15,228 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 243 [2025-03-09 06:45:15,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 243 transitions, 502 flow. Second operand has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 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) [2025-03-09 06:45:15,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:45:15,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 243 [2025-03-09 06:45:15,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 06:45:19,211 INFO L124 PetriNetUnfolderBase]: 31994/57279 cut-off events. [2025-03-09 06:45:19,211 INFO L125 PetriNetUnfolderBase]: For 302/302 co-relation queries the response was YES. [2025-03-09 06:45:19,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104414 conditions, 57279 events. 31994/57279 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 1276. Compared 508277 event pairs, 27090 based on Foata normal form. 16660/64041 useless extension candidates. Maximal degree in co-relation 94014. Up to 46948 conditions per place. [2025-03-09 06:45:19,478 INFO L140 encePairwiseOnDemand]: 153/243 looper letters, 100 selfloop transitions, 0 changer transitions 0/153 dead transitions. [2025-03-09 06:45:19,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 153 transitions, 522 flow [2025-03-09 06:45:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 06:45:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-09 06:45:19,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 296 transitions. [2025-03-09 06:45:19,480 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6090534979423868 [2025-03-09 06:45:19,481 INFO L175 Difference]: Start difference. First operand has 144 places, 243 transitions, 502 flow. Second operand 2 states and 296 transitions. [2025-03-09 06:45:19,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 153 transitions, 522 flow [2025-03-09 06:45:19,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 153 transitions, 522 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 06:45:19,484 INFO L231 Difference]: Finished difference. Result has 145 places, 153 transitions, 322 flow [2025-03-09 06:45:19,485 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=322, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=322, PETRI_PLACES=145, PETRI_TRANSITIONS=153} [2025-03-09 06:45:19,485 INFO L279 CegarLoopForPetriNet]: 144 programPoint places, 1 predicate places. [2025-03-09 06:45:19,485 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 153 transitions, 322 flow [2025-03-09 06:45:19,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.5) internal successors, (113), 2 states have internal predecessors, (113), 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) [2025-03-09 06:45:19,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:45:19,486 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:45:19,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 06:45:19,486 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-09 06:45:19,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:45:19,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1426593052, now seen corresponding path program 1 times [2025-03-09 06:45:19,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:45:19,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061560787] [2025-03-09 06:45:19,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:45:19,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:45:19,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:45:19,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:45:19,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:45:19,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:45:19,528 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 06:45:19,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 06:45:19,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 06:45:19,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:45:19,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 06:45:19,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 06:45:19,570 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 06:45:19,570 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2025-03-09 06:45:19,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2025-03-09 06:45:19,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2025-03-09 06:45:19,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2025-03-09 06:45:19,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2025-03-09 06:45:19,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2025-03-09 06:45:19,570 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 19 remaining) [2025-03-09 06:45:19,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2025-03-09 06:45:19,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2025-03-09 06:45:19,571 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2025-03-09 06:45:19,572 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2025-03-09 06:45:19,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 06:45:19,572 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-09 06:45:19,573 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-09 06:45:19,573 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-03-09 06:45:19,649 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-09 06:45:19,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 205 places, 347 transitions, 721 flow [2025-03-09 06:45:19,702 INFO L124 PetriNetUnfolderBase]: 197/474 cut-off events. [2025-03-09 06:45:19,703 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2025-03-09 06:45:19,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 474 events. 197/474 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1954 event pairs, 1 based on Foata normal form. 0/255 useless extension candidates. Maximal degree in co-relation 373. Up to 24 conditions per place. [2025-03-09 06:45:19,708 INFO L82 GeneralOperation]: Start removeDead. Operand has 205 places, 347 transitions, 721 flow [2025-03-09 06:45:19,717 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 205 places, 347 transitions, 721 flow [2025-03-09 06:45:19,718 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 06:45:19,719 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;@65b99620, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 06:45:19,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-03-09 06:45:19,726 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 06:45:19,726 INFO L124 PetriNetUnfolderBase]: 70/156 cut-off events. [2025-03-09 06:45:19,727 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-09 06:45:19,727 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 06:45:19,727 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 06:45:19,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-03-09 06:45:19,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 06:45:19,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1047218361, now seen corresponding path program 1 times [2025-03-09 06:45:19,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 06:45:19,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341786400] [2025-03-09 06:45:19,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 06:45:19,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 06:45:19,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-09 06:45:19,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-09 06:45:19,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 06:45:19,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 06:45:19,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 06:45:19,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 06:45:19,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341786400] [2025-03-09 06:45:19,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341786400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 06:45:19,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 06:45:19,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 06:45:19,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319806231] [2025-03-09 06:45:19,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 06:45:19,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 06:45:19,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 06:45:19,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 06:45:19,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 06:45:19,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 347 [2025-03-09 06:45:19,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 347 transitions, 721 flow. Second operand has 2 states, 2 states have (on average 80.0) internal successors, (160), 2 states have internal predecessors, (160), 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) [2025-03-09 06:45:19,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 06:45:19,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 347 [2025-03-09 06:45:19,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand