/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows ASSERTandASSUME -i ../../../trunk/examples/svcomp/libvsync/mcslock.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 03:10:44,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 03:10:44,464 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 03:10:44,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 03:10:44,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 03:10:44,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 03:10:44,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 03:10:44,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 03:10:44,522 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 03:10:44,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 03:10:44,523 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 03:10:44,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 03:10:44,524 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 03:10:44,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 03:10:44,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 03:10:44,524 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 03:10:44,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 03:10:44,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 03:10:44,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 03:10:44,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 03:10:44,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 03:10:44,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 03:10:44,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 03:10:44,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 03:10:44,525 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> ASSERTandASSUME [2025-03-15 03:10:44,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 03:10:44,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 03:10:44,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 03:10:44,851 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 03:10:44,851 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 03:10:44,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/libvsync/mcslock.i [2025-03-15 03:10:46,137 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ab889f56/891c318feb194bf79c3d0376ad423f8c/FLAG6b20078e0 [2025-03-15 03:10:46,555 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 03:10:46,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/libvsync/mcslock.i [2025-03-15 03:10:46,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ab889f56/891c318feb194bf79c3d0376ad423f8c/FLAG6b20078e0 [2025-03-15 03:10:46,730 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ab889f56/891c318feb194bf79c3d0376ad423f8c [2025-03-15 03:10:46,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 03:10:46,734 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 03:10:46,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 03:10:46,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 03:10:46,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 03:10:46,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:10:46" (1/1) ... [2025-03-15 03:10:46,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d63fe1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:46, skipping insertion in model container [2025-03-15 03:10:46,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:10:46" (1/1) ... [2025-03-15 03:10:46,829 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 03:10:48,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 03:10:48,675 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 03:10:48,753 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-03-15 03:10:48,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-03-15 03:10:48,755 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-03-15 03:10:48,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-03-15 03:10:48,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-03-15 03:10:48,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-03-15 03:10:48,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-03-15 03:10:48,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-03-15 03:10:48,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-03-15 03:10:48,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-03-15 03:10:48,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-03-15 03:10:48,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-03-15 03:10:48,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-03-15 03:10:48,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-03-15 03:10:48,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-03-15 03:10:48,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-03-15 03:10:48,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-03-15 03:10:48,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-03-15 03:10:48,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-03-15 03:10:48,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-03-15 03:10:48,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-03-15 03:10:48,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-03-15 03:10:48,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-03-15 03:10:48,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-03-15 03:10:48,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-03-15 03:10:48,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-03-15 03:10:48,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-03-15 03:10:48,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-03-15 03:10:48,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-03-15 03:10:48,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-03-15 03:10:48,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-03-15 03:10:48,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-03-15 03:10:48,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-03-15 03:10:48,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-03-15 03:10:48,764 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-03-15 03:10:48,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-03-15 03:10:48,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-03-15 03:10:48,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-03-15 03:10:48,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-03-15 03:10:48,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-03-15 03:10:48,766 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-03-15 03:10:48,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-03-15 03:10:48,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-03-15 03:10:48,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-03-15 03:10:48,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-03-15 03:10:48,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-03-15 03:10:48,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-03-15 03:10:48,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-03-15 03:10:48,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-03-15 03:10:48,769 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-03-15 03:10:48,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-03-15 03:10:48,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-03-15 03:10:48,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-03-15 03:10:48,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-03-15 03:10:48,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-03-15 03:10:48,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-03-15 03:10:48,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-03-15 03:10:48,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-03-15 03:10:48,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-03-15 03:10:48,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-03-15 03:10:48,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-03-15 03:10:48,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-03-15 03:10:48,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-03-15 03:10:48,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-03-15 03:10:48,773 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-03-15 03:10:48,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-03-15 03:10:48,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-03-15 03:10:48,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-03-15 03:10:48,774 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-03-15 03:10:48,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-03-15 03:10:48,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-03-15 03:10:48,775 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-03-15 03:10:48,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-03-15 03:10:48,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-03-15 03:10:48,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-03-15 03:10:48,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-03-15 03:10:48,778 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-03-15 03:10:48,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-03-15 03:10:48,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-03-15 03:10:48,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-03-15 03:10:48,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-03-15 03:10:48,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-03-15 03:10:48,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-03-15 03:10:48,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-03-15 03:10:48,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-03-15 03:10:48,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-03-15 03:10:48,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-03-15 03:10:48,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-03-15 03:10:48,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-03-15 03:10:48,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-03-15 03:10:48,783 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-03-15 03:10:48,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-03-15 03:10:48,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-03-15 03:10:48,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-03-15 03:10:48,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-03-15 03:10:48,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-03-15 03:10:48,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-03-15 03:10:48,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-03-15 03:10:48,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-03-15 03:10:48,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-03-15 03:10:48,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 03:10:49,143 INFO L204 MainTranslator]: Completed translation [2025-03-15 03:10:49,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49 WrapperNode [2025-03-15 03:10:49,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 03:10:49,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 03:10:49,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 03:10:49,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 03:10:49,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,211 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,263 INFO L138 Inliner]: procedures = 919, calls = 935, calls flagged for inlining = 830, calls inlined = 57, statements flattened = 482 [2025-03-15 03:10:49,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 03:10:49,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 03:10:49,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 03:10:49,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 03:10:49,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 03:10:49,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 03:10:49,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 03:10:49,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 03:10:49,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (1/1) ... [2025-03-15 03:10:49,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 03:10:49,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 03:10:49,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 03:10:49,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 03:10:49,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 03:10:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-15 03:10:49,391 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-15 03:10:49,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-15 03:10:49,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 03:10:49,396 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 03:10:49,560 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 03:10:49,562 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 03:10:50,242 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 03:10:50,242 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 03:10:50,314 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 03:10:50,315 INFO L312 CfgBuilder]: Removed 40 assume(true) statements. [2025-03-15 03:10:50,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:10:50 BoogieIcfgContainer [2025-03-15 03:10:50,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 03:10:50,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 03:10:50,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 03:10:50,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 03:10:50,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:10:46" (1/3) ... [2025-03-15 03:10:50,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae8bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:10:50, skipping insertion in model container [2025-03-15 03:10:50,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:10:49" (2/3) ... [2025-03-15 03:10:50,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae8bdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:10:50, skipping insertion in model container [2025-03-15 03:10:50,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:10:50" (3/3) ... [2025-03-15 03:10:50,326 INFO L128 eAbstractionObserver]: Analyzing ICFG mcslock.i [2025-03-15 03:10:50,341 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 03:10:50,343 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mcslock.i that has 2 procedures, 544 locations, 1 initial locations, 45 loop locations, and 6 error locations. [2025-03-15 03:10:50,343 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 03:10:50,508 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 03:10:50,570 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 03:10:50,583 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=All, 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;@326d8a77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 03:10:50,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-15 03:10:50,626 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 03:10:50,627 INFO L124 PetriNetUnfolderBase]: 23/116 cut-off events. [2025-03-15 03:10:50,628 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 03:10:50,629 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:50,629 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 03:10:50,630 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 03:10:50,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:50,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1780342448, now seen corresponding path program 1 times [2025-03-15 03:10:50,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:50,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946039819] [2025-03-15 03:10:50,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:50,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:10:50,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:50,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946039819] [2025-03-15 03:10:50,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946039819] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:50,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:10:50,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 03:10:50,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477310784] [2025-03-15 03:10:50,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:50,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-15 03:10:50,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:50,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-15 03:10:50,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-15 03:10:50,905 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 543 out of 639 [2025-03-15 03:10:50,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 547 places, 639 transitions, 1285 flow. Second operand has 2 states, 2 states have (on average 544.0) internal successors, (1088), 2 states have internal predecessors, (1088), 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) [2025-03-15 03:10:50,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:50,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 543 of 639 [2025-03-15 03:10:50,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:51,069 INFO L124 PetriNetUnfolderBase]: 14/592 cut-off events. [2025-03-15 03:10:51,069 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 03:10:51,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 592 events. 14/592 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1634 event pairs, 0 based on Foata normal form. 250/815 useless extension candidates. Maximal degree in co-relation 526. Up to 16 conditions per place. [2025-03-15 03:10:51,083 INFO L140 encePairwiseOnDemand]: 558/639 looper letters, 14 selfloop transitions, 0 changer transitions 5/554 dead transitions. [2025-03-15 03:10:51,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 554 transitions, 1145 flow [2025-03-15 03:10:51,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-15 03:10:51,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-15 03:10:51,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1182 transitions. [2025-03-15 03:10:51,101 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9248826291079812 [2025-03-15 03:10:51,104 INFO L298 CegarLoopForPetriNet]: 547 programPoint places, -3 predicate places. [2025-03-15 03:10:51,105 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 554 transitions, 1145 flow [2025-03-15 03:10:51,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 544.0) internal successors, (1088), 2 states have internal predecessors, (1088), 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) [2025-03-15 03:10:51,106 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:51,106 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 03:10:51,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 03:10:51,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 03:10:51,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:51,107 INFO L85 PathProgramCache]: Analyzing trace with hash -306681165, now seen corresponding path program 1 times [2025-03-15 03:10:51,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:51,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046149852] [2025-03-15 03:10:51,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:51,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 03:10:51,172 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-15 03:10:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 03:10:51,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-15 03:10:51,234 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-15 03:10:51,235 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2025-03-15 03:10:51,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2025-03-15 03:10:51,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2025-03-15 03:10:51,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 03:10:51,238 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-15 03:10:51,240 WARN L336 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-15 03:10:51,240 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-15 03:10:51,425 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 03:10:51,438 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 03:10:51,439 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=All, 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;@326d8a77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 03:10:51,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2025-03-15 03:10:51,463 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 03:10:51,464 INFO L124 PetriNetUnfolderBase]: 49/226 cut-off events. [2025-03-15 03:10:51,464 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-03-15 03:10:51,464 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:51,464 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 03:10:51,464 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 03:10:51,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:51,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1203664611, now seen corresponding path program 1 times [2025-03-15 03:10:51,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:51,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739381625] [2025-03-15 03:10:51,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:51,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:10:51,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:51,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739381625] [2025-03-15 03:10:51,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739381625] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:51,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:10:51,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 03:10:51,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203556201] [2025-03-15 03:10:51,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:51,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-15 03:10:51,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:51,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-15 03:10:51,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-15 03:10:51,558 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 1000 out of 1172 [2025-03-15 03:10:51,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1007 places, 1172 transitions, 2360 flow. Second operand has 2 states, 2 states have (on average 1001.5) internal successors, (2003), 2 states have internal predecessors, (2003), 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) [2025-03-15 03:10:51,565 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:51,565 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1000 of 1172 [2025-03-15 03:10:51,565 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:10:53,972 INFO L124 PetriNetUnfolderBase]: 406/8717 cut-off events. [2025-03-15 03:10:53,973 INFO L125 PetriNetUnfolderBase]: For 147/147 co-relation queries the response was YES. [2025-03-15 03:10:54,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9243 conditions, 8717 events. 406/8717 cut-off events. For 147/147 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 93251 event pairs, 208 based on Foata normal form. 4469/12739 useless extension candidates. Maximal degree in co-relation 1131. Up to 449 conditions per place. [2025-03-15 03:10:54,116 INFO L140 encePairwiseOnDemand]: 1030/1172 looper letters, 30 selfloop transitions, 0 changer transitions 0/1026 dead transitions. [2025-03-15 03:10:54,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1004 places, 1026 transitions, 2128 flow [2025-03-15 03:10:54,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-15 03:10:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-15 03:10:54,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2172 transitions. [2025-03-15 03:10:54,122 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9266211604095563 [2025-03-15 03:10:54,123 INFO L298 CegarLoopForPetriNet]: 1007 programPoint places, -3 predicate places. [2025-03-15 03:10:54,124 INFO L471 AbstractCegarLoop]: Abstraction has has 1004 places, 1026 transitions, 2128 flow [2025-03-15 03:10:54,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1001.5) internal successors, (2003), 2 states have internal predecessors, (2003), 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) [2025-03-15 03:10:54,125 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:54,126 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 03:10:54,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 03:10:54,126 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 03:10:54,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:54,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1537637254, now seen corresponding path program 1 times [2025-03-15 03:10:54,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232026247] [2025-03-15 03:10:54,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 03:10:54,184 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-15 03:10:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-15 03:10:54,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-15 03:10:54,245 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 19 remaining) [2025-03-15 03:10:54,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 19 remaining) [2025-03-15 03:10:54,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 19 remaining) [2025-03-15 03:10:54,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 19 remaining) [2025-03-15 03:10:54,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 19 remaining) [2025-03-15 03:10:54,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 19 remaining) [2025-03-15 03:10:54,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 19 remaining) [2025-03-15 03:10:54,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 19 remaining) [2025-03-15 03:10:54,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 19 remaining) [2025-03-15 03:10:54,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 03:10:54,247 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2025-03-15 03:10:54,248 WARN L336 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-15 03:10:54,248 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-03-15 03:10:54,572 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-03-15 03:10:54,592 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 03:10:54,593 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=All, 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;@326d8a77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 03:10:54,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2025-03-15 03:10:54,637 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 03:10:54,638 INFO L124 PetriNetUnfolderBase]: 81/381 cut-off events. [2025-03-15 03:10:54,638 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2025-03-15 03:10:54,638 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:10:54,638 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 03:10:54,638 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-03-15 03:10:54,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:10:54,639 INFO L85 PathProgramCache]: Analyzing trace with hash -936406147, now seen corresponding path program 1 times [2025-03-15 03:10:54,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:10:54,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615391107] [2025-03-15 03:10:54,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:10:54,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:10:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:10:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:10:54,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:10:54,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615391107] [2025-03-15 03:10:54,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615391107] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:10:54,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:10:54,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 03:10:54,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831192236] [2025-03-15 03:10:54,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:10:54,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-15 03:10:54,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:10:54,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-15 03:10:54,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-15 03:10:54,706 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 1457 out of 1705 [2025-03-15 03:10:54,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1467 places, 1705 transitions, 3437 flow. Second operand has 2 states, 2 states have (on average 1459.5) internal successors, (2919), 2 states have internal predecessors, (2919), 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) [2025-03-15 03:10:54,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:10:54,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1457 of 1705 [2025-03-15 03:10:54,711 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 03:11:40,379 INFO L124 PetriNetUnfolderBase]: 9225/131258 cut-off events. [2025-03-15 03:11:40,379 INFO L125 PetriNetUnfolderBase]: For 3871/3871 co-relation queries the response was YES. [2025-03-15 03:11:46,280 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142830 conditions, 131258 events. 9225/131258 cut-off events. For 3871/3871 co-relation queries the response was YES. Maximal size of possible extension queue 1643. Compared 2321482 event pairs, 6423 based on Foata normal form. 77843/202093 useless extension candidates. Maximal degree in co-relation 9246. Up to 10052 conditions per place. [2025-03-15 03:11:47,131 INFO L140 encePairwiseOnDemand]: 1502/1705 looper letters, 45 selfloop transitions, 0 changer transitions 0/1498 dead transitions. [2025-03-15 03:11:47,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1464 places, 1498 transitions, 3113 flow [2025-03-15 03:11:47,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-15 03:11:47,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-15 03:11:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 3162 transitions. [2025-03-15 03:11:47,141 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9272727272727272 [2025-03-15 03:11:47,143 INFO L298 CegarLoopForPetriNet]: 1467 programPoint places, -3 predicate places. [2025-03-15 03:11:47,143 INFO L471 AbstractCegarLoop]: Abstraction has has 1464 places, 1498 transitions, 3113 flow [2025-03-15 03:11:47,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1459.5) internal successors, (2919), 2 states have internal predecessors, (2919), 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) [2025-03-15 03:11:47,144 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 03:11:47,144 INFO L221 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 03:11:47,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 03:11:47,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, runErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, runErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2025-03-15 03:11:47,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 03:11:47,145 INFO L85 PathProgramCache]: Analyzing trace with hash -932504299, now seen corresponding path program 1 times [2025-03-15 03:11:47,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 03:11:47,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878323169] [2025-03-15 03:11:47,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 03:11:47,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 03:11:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 03:11:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 03:11:47,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 03:11:47,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878323169] [2025-03-15 03:11:47,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878323169] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 03:11:47,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 03:11:47,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-15 03:11:47,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522192807] [2025-03-15 03:11:47,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 03:11:47,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-15 03:11:47,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 03:11:47,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-15 03:11:47,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-15 03:11:47,505 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 1447 out of 1705 [2025-03-15 03:11:47,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1464 places, 1498 transitions, 3113 flow. Second operand has 9 states, 9 states have (on average 1449.4444444444443) internal successors, (13045), 9 states have internal predecessors, (13045), 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) [2025-03-15 03:11:47,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 03:11:47,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1447 of 1705 [2025-03-15 03:11:47,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand