./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/libvsync/hclhlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/hclhlock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:31:16,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:31:16,155 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 08:31:16,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:31:16,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:31:16,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:31:16,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:31:16,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:31:16,172 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:31:16,173 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:31:16,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:31:16,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:31:16,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:31:16,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:31:16,174 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:31:16,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:31:16,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:31:16,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 08:31:16,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:31:16,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 08:31:16,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:31:16,176 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:31:16,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:31:16,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:31:16,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:31:16,177 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 08:31:16,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:31:16,178 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:31:16,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:31:16,178 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:31:16,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:31:16,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:31:16,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:31:16,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:31:16,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:31:16,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:31:16,180 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:31:16,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:31:16,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:31:16,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:31:16,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:31:16,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:31:16,182 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-11-12 08:31:16,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:31:16,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:31:16,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:31:16,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:31:16,373 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:31:16,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hclhlock.i [2024-11-12 08:31:17,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:31:18,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:31:18,337 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i [2024-11-12 08:31:18,375 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/788b3691b/8cf15b8d1442443cb800705292329c9f/FLAG3e1c1d524 [2024-11-12 08:31:18,388 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/788b3691b/8cf15b8d1442443cb800705292329c9f [2024-11-12 08:31:18,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:31:18,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:31:18,394 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:31:18,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:31:18,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:31:18,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:31:18" (1/1) ... [2024-11-12 08:31:18,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b011160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:18, skipping insertion in model container [2024-11-12 08:31:18,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:31:18" (1/1) ... [2024-11-12 08:31:18,475 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:31:20,210 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172094,172107] [2024-11-12 08:31:20,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172145,172158] [2024-11-12 08:31:20,213 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172202,172215] [2024-11-12 08:31:20,218 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172763,172776] [2024-11-12 08:31:20,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172814,172827] [2024-11-12 08:31:20,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174060,174073] [2024-11-12 08:31:20,233 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174118,174131] [2024-11-12 08:31:20,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174622,174635] [2024-11-12 08:31:20,241 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174679,174692] [2024-11-12 08:31:20,241 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174746,174759] [2024-11-12 08:31:20,242 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[175274,175287] [2024-11-12 08:31:20,243 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[175341,175354] [2024-11-12 08:31:20,248 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[175944,175957] [2024-11-12 08:31:20,514 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[198494,198507] [2024-11-12 08:31:20,515 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[198561,198574] [2024-11-12 08:31:20,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:31:20,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:31:20,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-12 08:31:20,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-12 08:31:20,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-12 08:31:20,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-12 08:31:20,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-12 08:31:20,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-12 08:31:20,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-12 08:31:20,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-12 08:31:20,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-12 08:31:20,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-12 08:31:20,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-12 08:31:20,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-12 08:31:20,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-12 08:31:20,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-12 08:31:20,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-12 08:31:20,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-12 08:31:20,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-12 08:31:20,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-12 08:31:20,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-12 08:31:20,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-12 08:31:20,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-12 08:31:20,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-12 08:31:20,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-12 08:31:20,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-12 08:31:20,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-12 08:31:20,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-12 08:31:20,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-12 08:31:20,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-12 08:31:20,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-12 08:31:20,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-12 08:31:20,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-12 08:31:20,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-12 08:31:20,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-12 08:31:20,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-12 08:31:20,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-12 08:31:20,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-12 08:31:20,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-12 08:31:20,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-12 08:31:20,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-12 08:31:20,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-12 08:31:20,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-12 08:31:20,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-12 08:31:20,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-12 08:31:20,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-12 08:31:20,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-12 08:31:20,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-12 08:31:20,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-12 08:31:20,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-12 08:31:20,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-12 08:31:20,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-12 08:31:20,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-12 08:31:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-12 08:31:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-12 08:31:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-12 08:31:20,710 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-12 08:31:20,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-12 08:31:20,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-12 08:31:20,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-12 08:31:20,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-12 08:31:20,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-12 08:31:20,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-12 08:31:20,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-12 08:31:20,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-12 08:31:20,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-12 08:31:20,713 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-12 08:31:20,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-12 08:31:20,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-12 08:31:20,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-12 08:31:20,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-12 08:31:20,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-12 08:31:20,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-12 08:31:20,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-12 08:31:20,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-12 08:31:20,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-12 08:31:20,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-12 08:31:20,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-12 08:31:20,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-12 08:31:20,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-12 08:31:20,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-12 08:31:20,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-12 08:31:20,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-12 08:31:20,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-12 08:31:20,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-12 08:31:20,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-12 08:31:20,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-12 08:31:20,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-12 08:31:20,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-12 08:31:20,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-12 08:31:20,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-12 08:31:20,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-12 08:31:20,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-12 08:31:20,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-12 08:31:20,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-12 08:31:20,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-12 08:31:20,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-12 08:31:20,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-12 08:31:20,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-12 08:31:20,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-12 08:31:20,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-12 08:31:20,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-12 08:31:20,762 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172094,172107] [2024-11-12 08:31:20,763 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172145,172158] [2024-11-12 08:31:20,763 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172202,172215] [2024-11-12 08:31:20,764 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172763,172776] [2024-11-12 08:31:20,765 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[172814,172827] [2024-11-12 08:31:20,766 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174060,174073] [2024-11-12 08:31:20,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174118,174131] [2024-11-12 08:31:20,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174622,174635] [2024-11-12 08:31:20,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174679,174692] [2024-11-12 08:31:20,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[174746,174759] [2024-11-12 08:31:20,769 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[175274,175287] [2024-11-12 08:31:20,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[175341,175354] [2024-11-12 08:31:20,771 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[175944,175957] [2024-11-12 08:31:20,777 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[198494,198507] [2024-11-12 08:31:20,778 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i[198561,198574] [2024-11-12 08:31:20,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:31:21,052 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:31:21,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21 WrapperNode [2024-11-12 08:31:21,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:31:21,054 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:31:21,054 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:31:21,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:31:21,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,230 INFO L138 Inliner]: procedures = 921, calls = 957, calls flagged for inlining = 833, calls inlined = 67, statements flattened = 875 [2024-11-12 08:31:21,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:31:21,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:31:21,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:31:21,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:31:21,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,309 INFO L175 MemorySlicer]: Split 50 memory accesses to 4 slices as follows [2, 28, 18, 2]. 56 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 7, 6, 0]. The 15 writes are split as follows [0, 9, 5, 1]. [2024-11-12 08:31:21,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:31:21,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:31:21,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:31:21,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:31:21,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (1/1) ... [2024-11-12 08:31:21,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:31:21,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:31:21,423 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) [2024-11-12 08:31:21,427 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 [2024-11-12 08:31:21,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:31:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:31:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:31:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:31:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:31:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:31:21,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:31:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:31:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:31:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:31:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:31:21,465 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-12 08:31:21,465 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-12 08:31:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:31:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:31:21,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:31:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:31:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:31:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:31:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:31:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:31:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:31:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:31:21,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:31:21,471 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 08:31:21,673 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:31:21,675 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:31:22,532 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 08:31:22,533 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:31:22,834 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:31:22,834 INFO L316 CfgBuilder]: Removed 106 assume(true) statements. [2024-11-12 08:31:22,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:31:22 BoogieIcfgContainer [2024-11-12 08:31:22,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:31:22,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:31:22,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:31:22,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:31:22,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:31:18" (1/3) ... [2024-11-12 08:31:22,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b98daff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:31:22, skipping insertion in model container [2024-11-12 08:31:22,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:31:21" (2/3) ... [2024-11-12 08:31:22,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b98daff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:31:22, skipping insertion in model container [2024-11-12 08:31:22,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:31:22" (3/3) ... [2024-11-12 08:31:22,840 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-11-12 08:31:22,854 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:31:22,854 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-11-12 08:31:22,854 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 08:31:23,030 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-12 08:31:23,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 247 places, 385 transitions, 777 flow [2024-11-12 08:31:23,146 INFO L124 PetriNetUnfolderBase]: 152/415 cut-off events. [2024-11-12 08:31:23,147 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 08:31:23,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 420 conditions, 415 events. 152/415 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1283 event pairs, 0 based on Foata normal form. 0/241 useless extension candidates. Maximal degree in co-relation 316. Up to 6 conditions per place. [2024-11-12 08:31:23,153 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 385 transitions, 777 flow [2024-11-12 08:31:23,161 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 385 transitions, 777 flow [2024-11-12 08:31:23,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:31:23,172 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;@75ada47c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:31:23,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-12 08:31:23,176 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 08:31:23,176 INFO L124 PetriNetUnfolderBase]: 4/19 cut-off events. [2024-11-12 08:31:23,176 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 08:31:23,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:23,177 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:23,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:23,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:23,181 INFO L85 PathProgramCache]: Analyzing trace with hash -345191653, now seen corresponding path program 1 times [2024-11-12 08:31:23,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:23,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937860363] [2024-11-12 08:31:23,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:23,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 08:31:23,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:23,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937860363] [2024-11-12 08:31:23,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937860363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:23,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:23,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:31:23,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723205860] [2024-11-12 08:31:23,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:23,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:31:23,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:23,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:31:23,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:31:23,648 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-11-12 08:31:23,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 385 transitions, 777 flow. Second operand has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-12 08:31:23,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:23,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-11-12 08:31:23,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:24,472 INFO L124 PetriNetUnfolderBase]: 945/2650 cut-off events. [2024-11-12 08:31:24,473 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 08:31:24,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4383 conditions, 2650 events. 945/2650 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17823 event pairs, 696 based on Foata normal form. 1475/3717 useless extension candidates. Maximal degree in co-relation 4276. Up to 1717 conditions per place. [2024-11-12 08:31:24,488 INFO L140 encePairwiseOnDemand]: 274/385 looper letters, 141 selfloop transitions, 3 changer transitions 0/275 dead transitions. [2024-11-12 08:31:24,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 275 transitions, 845 flow [2024-11-12 08:31:24,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 08:31:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 08:31:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 780 transitions. [2024-11-12 08:31:24,501 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5064935064935064 [2024-11-12 08:31:24,502 INFO L175 Difference]: Start difference. First operand has 247 places, 385 transitions, 777 flow. Second operand 4 states and 780 transitions. [2024-11-12 08:31:24,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 275 transitions, 845 flow [2024-11-12 08:31:24,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 275 transitions, 845 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 08:31:24,511 INFO L231 Difference]: Finished difference. Result has 248 places, 275 transitions, 563 flow [2024-11-12 08:31:24,513 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=563, PETRI_PLACES=248, PETRI_TRANSITIONS=275} [2024-11-12 08:31:24,516 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 1 predicate places. [2024-11-12 08:31:24,516 INFO L471 AbstractCegarLoop]: Abstraction has has 248 places, 275 transitions, 563 flow [2024-11-12 08:31:24,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-12 08:31:24,517 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:24,517 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:24,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:31:24,517 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:24,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:24,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1016649958, now seen corresponding path program 1 times [2024-11-12 08:31:24,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:24,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183947545] [2024-11-12 08:31:24,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:24,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 08:31:24,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:24,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183947545] [2024-11-12 08:31:24,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183947545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:24,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:24,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:31:24,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119484673] [2024-11-12 08:31:24,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:24,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:31:24,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:24,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:31:24,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:31:24,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-11-12 08:31:24,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 275 transitions, 563 flow. Second operand has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-12 08:31:24,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:24,620 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-11-12 08:31:24,620 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:25,130 INFO L124 PetriNetUnfolderBase]: 945/2648 cut-off events. [2024-11-12 08:31:25,131 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 08:31:25,134 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4385 conditions, 2648 events. 945/2648 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17853 event pairs, 696 based on Foata normal form. 1/2243 useless extension candidates. Maximal degree in co-relation 4338. Up to 1717 conditions per place. [2024-11-12 08:31:25,142 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 141 selfloop transitions, 3 changer transitions 0/273 dead transitions. [2024-11-12 08:31:25,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 273 transitions, 847 flow [2024-11-12 08:31:25,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 08:31:25,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 08:31:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 673 transitions. [2024-11-12 08:31:25,144 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.437012987012987 [2024-11-12 08:31:25,144 INFO L175 Difference]: Start difference. First operand has 248 places, 275 transitions, 563 flow. Second operand 4 states and 673 transitions. [2024-11-12 08:31:25,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 273 transitions, 847 flow [2024-11-12 08:31:25,146 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 273 transitions, 841 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 08:31:25,149 INFO L231 Difference]: Finished difference. Result has 246 places, 273 transitions, 559 flow [2024-11-12 08:31:25,149 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=559, PETRI_PLACES=246, PETRI_TRANSITIONS=273} [2024-11-12 08:31:25,150 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, -1 predicate places. [2024-11-12 08:31:25,150 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 273 transitions, 559 flow [2024-11-12 08:31:25,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-12 08:31:25,151 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:25,151 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:25,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 08:31:25,151 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:25,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:25,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2043223717, now seen corresponding path program 1 times [2024-11-12 08:31:25,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:25,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652938452] [2024-11-12 08:31:25,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:25,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:25,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 08:31:25,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:25,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652938452] [2024-11-12 08:31:25,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652938452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:25,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:25,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:31:25,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973806563] [2024-11-12 08:31:25,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:25,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:31:25,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:25,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:31:25,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:31:25,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-12 08:31:25,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 273 transitions, 559 flow. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2024-11-12 08:31:25,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:25,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-12 08:31:25,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:25,582 INFO L124 PetriNetUnfolderBase]: 945/2651 cut-off events. [2024-11-12 08:31:25,582 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 08:31:25,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4391 conditions, 2651 events. 945/2651 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17839 event pairs, 696 based on Foata normal form. 0/2245 useless extension candidates. Maximal degree in co-relation 4344. Up to 1724 conditions per place. [2024-11-12 08:31:25,592 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 145 selfloop transitions, 2 changer transitions 0/276 dead transitions. [2024-11-12 08:31:25,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 276 transitions, 859 flow [2024-11-12 08:31:25,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:31:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 08:31:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2024-11-12 08:31:25,593 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47359307359307357 [2024-11-12 08:31:25,594 INFO L175 Difference]: Start difference. First operand has 246 places, 273 transitions, 559 flow. Second operand 3 states and 547 transitions. [2024-11-12 08:31:25,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 276 transitions, 859 flow [2024-11-12 08:31:25,595 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 276 transitions, 853 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 08:31:25,600 INFO L231 Difference]: Finished difference. Result has 246 places, 274 transitions, 565 flow [2024-11-12 08:31:25,601 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=246, PETRI_TRANSITIONS=274} [2024-11-12 08:31:25,602 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, -1 predicate places. [2024-11-12 08:31:25,602 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 274 transitions, 565 flow [2024-11-12 08:31:25,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 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) [2024-11-12 08:31:25,602 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:25,602 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:25,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 08:31:25,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:25,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:25,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1006974997, now seen corresponding path program 1 times [2024-11-12 08:31:25,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:25,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32039617] [2024-11-12 08:31:25,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:25,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:25,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 08:31:25,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:25,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32039617] [2024-11-12 08:31:25,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32039617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:31:25,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128487813] [2024-11-12 08:31:25,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:25,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:31:25,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:31:25,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:31:25,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:31:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:25,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:31:25,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:31:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 08:31:25,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 08:31:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 08:31:25,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128487813] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 08:31:25,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 08:31:25,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-12 08:31:25,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477164849] [2024-11-12 08:31:25,860 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 08:31:25,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 08:31:25,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:25,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 08:31:25,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 08:31:25,862 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-12 08:31:25,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 274 transitions, 565 flow. Second operand has 7 states, 7 states have (on average 135.42857142857142) internal successors, (948), 7 states have internal predecessors, (948), 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) [2024-11-12 08:31:25,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:25,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-12 08:31:25,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:26,479 INFO L124 PetriNetUnfolderBase]: 945/2654 cut-off events. [2024-11-12 08:31:26,480 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-12 08:31:26,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4401 conditions, 2654 events. 945/2654 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17900 event pairs, 696 based on Foata normal form. 1/2249 useless extension candidates. Maximal degree in co-relation 4377. Up to 1722 conditions per place. [2024-11-12 08:31:26,490 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 145 selfloop transitions, 5 changer transitions 0/279 dead transitions. [2024-11-12 08:31:26,491 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 279 transitions, 877 flow [2024-11-12 08:31:26,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:31:26,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 08:31:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 816 transitions. [2024-11-12 08:31:26,493 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4238961038961039 [2024-11-12 08:31:26,493 INFO L175 Difference]: Start difference. First operand has 246 places, 274 transitions, 565 flow. Second operand 5 states and 816 transitions. [2024-11-12 08:31:26,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 279 transitions, 877 flow [2024-11-12 08:31:26,495 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 279 transitions, 875 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 08:31:26,497 INFO L231 Difference]: Finished difference. Result has 251 places, 276 transitions, 589 flow [2024-11-12 08:31:26,497 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=589, PETRI_PLACES=251, PETRI_TRANSITIONS=276} [2024-11-12 08:31:26,498 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 4 predicate places. [2024-11-12 08:31:26,498 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 276 transitions, 589 flow [2024-11-12 08:31:26,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 135.42857142857142) internal successors, (948), 7 states have internal predecessors, (948), 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) [2024-11-12 08:31:26,499 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:26,499 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:26,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 08:31:26,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:31:26,700 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:26,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:26,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1948686171, now seen corresponding path program 2 times [2024-11-12 08:31:26,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:26,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85889147] [2024-11-12 08:31:26,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:26,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:26,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 08:31:26,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:26,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85889147] [2024-11-12 08:31:26,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85889147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:26,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:26,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:31:26,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859137291] [2024-11-12 08:31:26,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:26,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:31:26,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:26,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:31:26,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:31:26,818 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 385 [2024-11-12 08:31:26,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 276 transitions, 589 flow. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2024-11-12 08:31:26,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:26,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 385 [2024-11-12 08:31:26,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:27,185 INFO L124 PetriNetUnfolderBase]: 945/2652 cut-off events. [2024-11-12 08:31:27,186 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-12 08:31:27,189 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4410 conditions, 2652 events. 945/2652 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17852 event pairs, 696 based on Foata normal form. 1/2248 useless extension candidates. Maximal degree in co-relation 4362. Up to 1724 conditions per place. [2024-11-12 08:31:27,197 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 145 selfloop transitions, 2 changer transitions 0/274 dead transitions. [2024-11-12 08:31:27,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 274 transitions, 879 flow [2024-11-12 08:31:27,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:31:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 08:31:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 541 transitions. [2024-11-12 08:31:27,199 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4683982683982684 [2024-11-12 08:31:27,199 INFO L175 Difference]: Start difference. First operand has 251 places, 276 transitions, 589 flow. Second operand 3 states and 541 transitions. [2024-11-12 08:31:27,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 274 transitions, 879 flow [2024-11-12 08:31:27,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 250 places, 274 transitions, 873 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-12 08:31:27,203 INFO L231 Difference]: Finished difference. Result has 250 places, 274 transitions, 583 flow [2024-11-12 08:31:27,204 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=579, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=274, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=583, PETRI_PLACES=250, PETRI_TRANSITIONS=274} [2024-11-12 08:31:27,204 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 3 predicate places. [2024-11-12 08:31:27,204 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 274 transitions, 583 flow [2024-11-12 08:31:27,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 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) [2024-11-12 08:31:27,205 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:27,205 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:27,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 08:31:27,205 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:27,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:27,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1764510388, now seen corresponding path program 1 times [2024-11-12 08:31:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:27,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532915171] [2024-11-12 08:31:27,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 08:31:27,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:27,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532915171] [2024-11-12 08:31:27,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532915171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:27,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:27,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:31:27,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645211352] [2024-11-12 08:31:27,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:27,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:31:27,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:27,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:31:27,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:31:27,359 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 385 [2024-11-12 08:31:27,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 274 transitions, 583 flow. Second operand has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-12 08:31:27,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:27,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 385 [2024-11-12 08:31:27,360 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:27,886 INFO L124 PetriNetUnfolderBase]: 945/2650 cut-off events. [2024-11-12 08:31:27,886 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-12 08:31:27,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4408 conditions, 2650 events. 945/2650 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17839 event pairs, 696 based on Foata normal form. 1/2248 useless extension candidates. Maximal degree in co-relation 4365. Up to 1724 conditions per place. [2024-11-12 08:31:27,901 INFO L140 encePairwiseOnDemand]: 380/385 looper letters, 143 selfloop transitions, 4 changer transitions 0/272 dead transitions. [2024-11-12 08:31:27,901 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 272 transitions, 873 flow [2024-11-12 08:31:27,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 08:31:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-12 08:31:27,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 669 transitions. [2024-11-12 08:31:27,904 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4344155844155844 [2024-11-12 08:31:27,904 INFO L175 Difference]: Start difference. First operand has 250 places, 274 transitions, 583 flow. Second operand 4 states and 669 transitions. [2024-11-12 08:31:27,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 272 transitions, 873 flow [2024-11-12 08:31:27,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 272 transitions, 869 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-12 08:31:27,909 INFO L231 Difference]: Finished difference. Result has 249 places, 272 transitions, 583 flow [2024-11-12 08:31:27,909 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=268, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=583, PETRI_PLACES=249, PETRI_TRANSITIONS=272} [2024-11-12 08:31:27,910 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 2 predicate places. [2024-11-12 08:31:27,910 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 272 transitions, 583 flow [2024-11-12 08:31:27,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.0) internal successors, (536), 4 states have internal predecessors, (536), 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) [2024-11-12 08:31:27,911 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:27,911 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:27,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 08:31:27,911 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:27,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:27,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1707069689, now seen corresponding path program 1 times [2024-11-12 08:31:27,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:27,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683674304] [2024-11-12 08:31:27,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:27,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:27,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 08:31:27,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:27,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683674304] [2024-11-12 08:31:27,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683674304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:27,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:27,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:31:27,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270341662] [2024-11-12 08:31:27,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:27,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:31:27,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:27,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:31:27,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:31:27,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-12 08:31:27,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 272 transitions, 583 flow. Second operand has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2024-11-12 08:31:27,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:27,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-12 08:31:27,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:28,400 INFO L124 PetriNetUnfolderBase]: 948/2673 cut-off events. [2024-11-12 08:31:28,400 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 08:31:28,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4448 conditions, 2673 events. 948/2673 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17842 event pairs, 696 based on Foata normal form. 1/2271 useless extension candidates. Maximal degree in co-relation 4402. Up to 1734 conditions per place. [2024-11-12 08:31:28,408 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 156 selfloop transitions, 2 changer transitions 0/283 dead transitions. [2024-11-12 08:31:28,408 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 283 transitions, 929 flow [2024-11-12 08:31:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:31:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 08:31:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 555 transitions. [2024-11-12 08:31:28,410 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4805194805194805 [2024-11-12 08:31:28,410 INFO L175 Difference]: Start difference. First operand has 249 places, 272 transitions, 583 flow. Second operand 3 states and 555 transitions. [2024-11-12 08:31:28,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 283 transitions, 929 flow [2024-11-12 08:31:28,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 283 transitions, 913 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-12 08:31:28,413 INFO L231 Difference]: Finished difference. Result has 249 places, 273 transitions, 587 flow [2024-11-12 08:31:28,414 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=575, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=272, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=587, PETRI_PLACES=249, PETRI_TRANSITIONS=273} [2024-11-12 08:31:28,414 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 2 predicate places. [2024-11-12 08:31:28,414 INFO L471 AbstractCegarLoop]: Abstraction has has 249 places, 273 transitions, 587 flow [2024-11-12 08:31:28,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 138.0) internal successors, (414), 3 states have internal predecessors, (414), 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) [2024-11-12 08:31:28,415 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:28,415 INFO L206 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] [2024-11-12 08:31:28,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 08:31:28,415 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:28,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:28,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1208477997, now seen corresponding path program 1 times [2024-11-12 08:31:28,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:28,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884698037] [2024-11-12 08:31:28,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:28,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 08:31:28,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:28,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884698037] [2024-11-12 08:31:28,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884698037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:31:28,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166771796] [2024-11-12 08:31:28,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:28,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:31:28,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:31:28,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:31:28,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 08:31:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:28,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-12 08:31:28,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:31:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 08:31:28,862 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 08:31:28,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 08:31:28,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166771796] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 08:31:28,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 08:31:28,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 6] total 9 [2024-11-12 08:31:28,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608085947] [2024-11-12 08:31:28,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 08:31:28,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 08:31:28,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:28,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 08:31:28,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 08:31:28,931 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 133 out of 385 [2024-11-12 08:31:28,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 273 transitions, 587 flow. Second operand has 9 states, 9 states have (on average 137.44444444444446) internal successors, (1237), 9 states have internal predecessors, (1237), 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) [2024-11-12 08:31:28,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:28,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 133 of 385 [2024-11-12 08:31:28,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:29,713 INFO L124 PetriNetUnfolderBase]: 951/2697 cut-off events. [2024-11-12 08:31:29,713 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-12 08:31:29,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4483 conditions, 2697 events. 951/2697 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17732 event pairs, 696 based on Foata normal form. 2/2296 useless extension candidates. Maximal degree in co-relation 4436. Up to 1723 conditions per place. [2024-11-12 08:31:29,725 INFO L140 encePairwiseOnDemand]: 381/385 looper letters, 165 selfloop transitions, 5 changer transitions 0/295 dead transitions. [2024-11-12 08:31:29,725 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 295 transitions, 973 flow [2024-11-12 08:31:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:31:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-12 08:31:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 834 transitions. [2024-11-12 08:31:29,727 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43324675324675327 [2024-11-12 08:31:29,727 INFO L175 Difference]: Start difference. First operand has 249 places, 273 transitions, 587 flow. Second operand 5 states and 834 transitions. [2024-11-12 08:31:29,727 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 295 transitions, 973 flow [2024-11-12 08:31:29,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 252 places, 295 transitions, 971 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-12 08:31:29,732 INFO L231 Difference]: Finished difference. Result has 255 places, 275 transitions, 615 flow [2024-11-12 08:31:29,732 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=273, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=269, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=615, PETRI_PLACES=255, PETRI_TRANSITIONS=275} [2024-11-12 08:31:29,734 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 8 predicate places. [2024-11-12 08:31:29,734 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 275 transitions, 615 flow [2024-11-12 08:31:29,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 137.44444444444446) internal successors, (1237), 9 states have internal predecessors, (1237), 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) [2024-11-12 08:31:29,735 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:29,735 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:29,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 08:31:29,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-12 08:31:29,943 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:29,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:29,943 INFO L85 PathProgramCache]: Analyzing trace with hash 716716409, now seen corresponding path program 2 times [2024-11-12 08:31:29,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:29,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754190041] [2024-11-12 08:31:29,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:29,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 08:31:30,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:30,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754190041] [2024-11-12 08:31:30,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754190041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:31:30,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381410055] [2024-11-12 08:31:30,528 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 08:31:30,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:31:30,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:31:30,531 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:31:30,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 08:31:30,775 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-12 08:31:30,775 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 08:31:30,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-12 08:31:30,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:31:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 08:31:30,835 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 08:31:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 08:31:30,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381410055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 08:31:30,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 08:31:30,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 16 [2024-11-12 08:31:30,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434022213] [2024-11-12 08:31:30,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 08:31:30,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 08:31:30,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:30,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 08:31:30,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2024-11-12 08:31:31,430 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 385 [2024-11-12 08:31:31,432 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 275 transitions, 615 flow. Second operand has 16 states, 16 states have (on average 131.6875) internal successors, (2107), 16 states have internal predecessors, (2107), 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) [2024-11-12 08:31:31,432 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:31,432 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 385 [2024-11-12 08:31:31,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:32,728 INFO L124 PetriNetUnfolderBase]: 953/2733 cut-off events. [2024-11-12 08:31:32,729 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2024-11-12 08:31:32,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4576 conditions, 2733 events. 953/2733 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17973 event pairs, 696 based on Foata normal form. 2/2324 useless extension candidates. Maximal degree in co-relation 4527. Up to 1723 conditions per place. [2024-11-12 08:31:32,743 INFO L140 encePairwiseOnDemand]: 374/385 looper letters, 177 selfloop transitions, 27 changer transitions 0/326 dead transitions. [2024-11-12 08:31:32,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 326 transitions, 1145 flow [2024-11-12 08:31:32,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 08:31:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-12 08:31:32,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2508 transitions. [2024-11-12 08:31:32,748 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3619047619047619 [2024-11-12 08:31:32,748 INFO L175 Difference]: Start difference. First operand has 255 places, 275 transitions, 615 flow. Second operand 18 states and 2508 transitions. [2024-11-12 08:31:32,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 326 transitions, 1145 flow [2024-11-12 08:31:32,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 271 places, 326 transitions, 1137 flow, removed 3 selfloop flow, removed 1 redundant places. [2024-11-12 08:31:32,753 INFO L231 Difference]: Finished difference. Result has 281 places, 299 transitions, 792 flow [2024-11-12 08:31:32,753 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=609, PETRI_DIFFERENCE_MINUEND_PLACES=254, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=275, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=263, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=792, PETRI_PLACES=281, PETRI_TRANSITIONS=299} [2024-11-12 08:31:32,754 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 34 predicate places. [2024-11-12 08:31:32,754 INFO L471 AbstractCegarLoop]: Abstraction has has 281 places, 299 transitions, 792 flow [2024-11-12 08:31:32,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 131.6875) internal successors, (2107), 16 states have internal predecessors, (2107), 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) [2024-11-12 08:31:32,755 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:32,756 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-12 08:31:32,773 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 08:31:32,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:31:32,957 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:32,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:32,958 INFO L85 PathProgramCache]: Analyzing trace with hash -486077235, now seen corresponding path program 1 times [2024-11-12 08:31:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:32,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613649914] [2024-11-12 08:31:32,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-12 08:31:33,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:33,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613649914] [2024-11-12 08:31:33,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613649914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:33,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:33,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:31:33,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297627709] [2024-11-12 08:31:33,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:33,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:31:33,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:33,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:31:33,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:31:33,266 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 385 [2024-11-12 08:31:33,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 299 transitions, 792 flow. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-12 08:31:33,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:33,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 385 [2024-11-12 08:31:33,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 08:31:33,964 INFO L124 PetriNetUnfolderBase]: 945/2705 cut-off events. [2024-11-12 08:31:33,965 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-12 08:31:33,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4586 conditions, 2705 events. 945/2705 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 17828 event pairs, 696 based on Foata normal form. 4/2306 useless extension candidates. Maximal degree in co-relation 4526. Up to 1757 conditions per place. [2024-11-12 08:31:33,978 INFO L140 encePairwiseOnDemand]: 382/385 looper letters, 161 selfloop transitions, 6 changer transitions 0/289 dead transitions. [2024-11-12 08:31:33,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 279 places, 289 transitions, 1082 flow [2024-11-12 08:31:33,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:31:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 08:31:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 537 transitions. [2024-11-12 08:31:33,980 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4649350649350649 [2024-11-12 08:31:33,980 INFO L175 Difference]: Start difference. First operand has 281 places, 299 transitions, 792 flow. Second operand 3 states and 537 transitions. [2024-11-12 08:31:33,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 279 places, 289 transitions, 1082 flow [2024-11-12 08:31:33,982 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 274 places, 289 transitions, 1059 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-11-12 08:31:33,985 INFO L231 Difference]: Finished difference. Result has 274 places, 289 transitions, 737 flow [2024-11-12 08:31:33,985 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=385, PETRI_DIFFERENCE_MINUEND_FLOW=725, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=289, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=283, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=737, PETRI_PLACES=274, PETRI_TRANSITIONS=289} [2024-11-12 08:31:33,986 INFO L279 CegarLoopForPetriNet]: 247 programPoint places, 27 predicate places. [2024-11-12 08:31:33,986 INFO L471 AbstractCegarLoop]: Abstraction has has 274 places, 289 transitions, 737 flow [2024-11-12 08:31:33,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 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) [2024-11-12 08:31:33,986 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:33,987 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-12 08:31:33,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 08:31:33,987 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2024-11-12 08:31:33,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:33,987 INFO L85 PathProgramCache]: Analyzing trace with hash 639319446, now seen corresponding path program 1 times [2024-11-12 08:31:33,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:33,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364134039] [2024-11-12 08:31:33,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:33,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 08:31:34,124 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 08:31:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 08:31:34,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 08:31:34,234 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 08:31:34,235 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (27 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (26 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (25 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (24 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (23 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (22 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (21 of 29 remaining) [2024-11-12 08:31:34,236 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONERROR_FUNCTION (20 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONERROR_FUNCTION (19 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONERROR_FUNCTION (18 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (17 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONERROR_FUNCTION (16 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONERROR_FUNCTION (15 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONERROR_FUNCTION (14 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONERROR_FUNCTION (13 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONERROR_FUNCTION (12 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONERROR_FUNCTION (11 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5ASSERT_VIOLATIONERROR_FUNCTION (8 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6ASSERT_VIOLATIONERROR_FUNCTION (7 of 29 remaining) [2024-11-12 08:31:34,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2ASSERT_VIOLATIONERROR_FUNCTION (6 of 29 remaining) [2024-11-12 08:31:34,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3ASSERT_VIOLATIONERROR_FUNCTION (5 of 29 remaining) [2024-11-12 08:31:34,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 29 remaining) [2024-11-12 08:31:34,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 29 remaining) [2024-11-12 08:31:34,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9ASSERT_VIOLATIONERROR_FUNCTION (2 of 29 remaining) [2024-11-12 08:31:34,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8ASSERT_VIOLATIONERROR_FUNCTION (1 of 29 remaining) [2024-11-12 08:31:34,238 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 29 remaining) [2024-11-12 08:31:34,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 08:31:34,238 INFO L421 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:34,240 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-12 08:31:34,240 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-12 08:31:34,381 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-12 08:31:34,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 429 places, 672 transitions, 1360 flow [2024-11-12 08:31:34,493 INFO L124 PetriNetUnfolderBase]: 277/754 cut-off events. [2024-11-12 08:31:34,493 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-12 08:31:34,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 754 events. 277/754 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3107 event pairs, 0 based on Foata normal form. 0/439 useless extension candidates. Maximal degree in co-relation 621. Up to 12 conditions per place. [2024-11-12 08:31:34,509 INFO L82 GeneralOperation]: Start removeDead. Operand has 429 places, 672 transitions, 1360 flow [2024-11-12 08:31:34,522 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 429 places, 672 transitions, 1360 flow [2024-11-12 08:31:34,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:31:34,523 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;@75ada47c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:31:34,523 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-12 08:31:34,525 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 08:31:34,525 INFO L124 PetriNetUnfolderBase]: 4/19 cut-off events. [2024-11-12 08:31:34,525 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 08:31:34,525 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 08:31:34,525 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:31:34,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2024-11-12 08:31:34,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:31:34,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1265860027, now seen corresponding path program 1 times [2024-11-12 08:31:34,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:31:34,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025531580] [2024-11-12 08:31:34,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:31:34,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:31:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:31:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 08:31:34,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:31:34,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025531580] [2024-11-12 08:31:34,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025531580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:31:34,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:31:34,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:31:34,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167982836] [2024-11-12 08:31:34,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:31:34,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:31:34,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:31:34,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:31:34,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:31:34,574 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 672 [2024-11-12 08:31:34,575 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 429 places, 672 transitions, 1360 flow. Second operand has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 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) [2024-11-12 08:31:34,575 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 08:31:34,575 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 672 [2024-11-12 08:31:34,575 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand