./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/libvsync/cnalock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 023d838f 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/cnalock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:25:18,610 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:25:18,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:25:18,671 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:25:18,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:25:18,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:25:18,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:25:18,711 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:25:18,712 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:25:18,712 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:25:18,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:25:18,713 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:25:18,714 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:25:18,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:25:18,716 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:25:18,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:25:18,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:25:18,717 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:25:18,717 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:25:18,717 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:25:18,718 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:25:18,718 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:25:18,719 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:25:18,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:25:18,719 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:25:18,720 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:25:18,720 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:25:18,720 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:25:18,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:25:18,721 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:25:18,722 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:25:18,722 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:25:18,722 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:25:18,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:25:18,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:25:18,723 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:25:18,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:25:18,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:25:18,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:25:18,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:25:18,725 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:25:18,725 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:25:18,726 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 [2024-11-10 18:25:19,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:25:19,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:25:19,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:25:19,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:25:19,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:25:19,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/cnalock.i [2024-11-10 18:25:20,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:25:21,128 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:25:21,130 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i [2024-11-10 18:25:21,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52fceb21c/95b80b15f7a14a74870563a1b703120d/FLAGfd54870d2 [2024-11-10 18:25:21,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52fceb21c/95b80b15f7a14a74870563a1b703120d [2024-11-10 18:25:21,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:25:21,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:25:21,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:25:21,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:25:21,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:25:21,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:21" (1/1) ... [2024-11-10 18:25:21,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49d6375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:21, skipping insertion in model container [2024-11-10 18:25:21,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:21" (1/1) ... [2024-11-10 18:25:21,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:25:23,018 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,024 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,025 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,031 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,032 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:25:23,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:25:23,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-10 18:25:23,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-10 18:25:23,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-10 18:25:23,684 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-10 18:25:23,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-10 18:25:23,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-10 18:25:23,685 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-10 18:25:23,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-10 18:25:23,686 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-10 18:25:23,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-10 18:25:23,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-10 18:25:23,688 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-10 18:25:23,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-10 18:25:23,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-10 18:25:23,689 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-10 18:25:23,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-10 18:25:23,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-10 18:25:23,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-10 18:25:23,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-10 18:25:23,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-10 18:25:23,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-10 18:25:23,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-10 18:25:23,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-10 18:25:23,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-10 18:25:23,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-10 18:25:23,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-10 18:25:23,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-10 18:25:23,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-10 18:25:23,695 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-10 18:25:23,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-10 18:25:23,696 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-10 18:25:23,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-10 18:25:23,697 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-10 18:25:23,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-10 18:25:23,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-10 18:25:23,698 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-10 18:25:23,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-10 18:25:23,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-10 18:25:23,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-10 18:25:23,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-10 18:25:23,701 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-10 18:25:23,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-10 18:25:23,702 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-10 18:25:23,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-10 18:25:23,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-10 18:25:23,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-10 18:25:23,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-10 18:25:23,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-10 18:25:23,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-10 18:25:23,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-10 18:25:23,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-10 18:25:23,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-10 18:25:23,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-10 18:25:23,709 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-10 18:25:23,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-10 18:25:23,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-10 18:25:23,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-10 18:25:23,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-10 18:25:23,712 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-10 18:25:23,714 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-10 18:25:23,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-10 18:25:23,715 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-10 18:25:23,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-10 18:25:23,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-10 18:25:23,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-10 18:25:23,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-10 18:25:23,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-10 18:25:23,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-10 18:25:23,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-10 18:25:23,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-10 18:25:23,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-10 18:25:23,721 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-10 18:25:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-10 18:25:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-10 18:25:23,722 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-10 18:25:23,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-10 18:25:23,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-10 18:25:23,723 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-10 18:25:23,724 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-10 18:25:23,726 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-10 18:25:23,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-10 18:25:23,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-10 18:25:23,727 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-10 18:25:23,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-10 18:25:23,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-10 18:25:23,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-10 18:25:23,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-10 18:25:23,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-10 18:25:23,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-10 18:25:23,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-10 18:25:23,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-10 18:25:23,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-10 18:25:23,734 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-10 18:25:23,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-10 18:25:23,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-10 18:25:23,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-10 18:25:23,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-10 18:25:23,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-10 18:25:23,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-10 18:25:23,738 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-10 18:25:23,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:25:24,177 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:25:24,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24 WrapperNode [2024-11-10 18:25:24,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:25:24,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:25:24,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:25:24,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:25:24,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,395 INFO L138 Inliner]: procedures = 919, calls = 958, calls flagged for inlining = 842, calls inlined = 87, statements flattened = 730 [2024-11-10 18:25:24,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:25:24,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:25:24,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:25:24,396 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:25:24,409 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,488 INFO L175 MemorySlicer]: Split 56 memory accesses to 3 slices as follows [2, 52, 2]. 93 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 17, 0]. The 19 writes are split as follows [0, 18, 1]. [2024-11-10 18:25:24,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,531 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:25:24,555 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:25:24,556 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:25:24,556 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:25:24,557 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:25:24,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:25:24,600 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) [2024-11-10 18:25:24,606 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 [2024-11-10 18:25:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:25:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:25:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 18:25:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:25:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 18:25:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 18:25:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 18:25:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:25:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:25:24,656 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-10 18:25:24,656 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-10 18:25:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:25:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 18:25:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 18:25:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 18:25:24,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:25:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:25:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 18:25:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:25:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 18:25:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 18:25:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 18:25:24,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:25:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:25:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 18:25:24,661 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:25:24,901 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:25:24,903 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:25:25,991 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 18:25:25,991 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 18:25:25,991 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 18:25:25,992 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2024-11-10 18:25:25,992 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-9: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2024-11-10 18:25:25,992 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-18: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2024-11-10 18:25:25,992 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L5403: havoc _cnalock_keep_lock_local_#t~ret760#1; [2024-11-10 18:25:25,992 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2024-11-10 18:25:25,992 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-9: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-9: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-9: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-18: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-27: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-10 18:25:25,993 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660-9: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-10 18:25:26,101 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-10 18:25:26,101 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-10 18:25:26,103 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:25:26,103 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:25:26,694 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:25:26,695 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:25:26,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:25:26 BoogieIcfgContainer [2024-11-10 18:25:26,695 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:25:26,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:25:26,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:25:26,709 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:25:26,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:25:21" (1/3) ... [2024-11-10 18:25:26,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4d7520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:25:26, skipping insertion in model container [2024-11-10 18:25:26,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (2/3) ... [2024-11-10 18:25:26,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4d7520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:25:26, skipping insertion in model container [2024-11-10 18:25:26,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:25:26" (3/3) ... [2024-11-10 18:25:26,714 INFO L112 eAbstractionObserver]: Analyzing ICFG cnalock.i [2024-11-10 18:25:26,735 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:25:26,735 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-11-10 18:25:26,735 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:25:26,987 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 18:25:27,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 275 places, 367 transitions, 741 flow [2024-11-10 18:25:27,195 INFO L124 PetriNetUnfolderBase]: 111/425 cut-off events. [2024-11-10 18:25:27,195 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 18:25:27,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 430 conditions, 425 events. 111/425 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1728 event pairs, 0 based on Foata normal form. 0/225 useless extension candidates. Maximal degree in co-relation 349. Up to 6 conditions per place. [2024-11-10 18:25:27,206 INFO L82 GeneralOperation]: Start removeDead. Operand has 275 places, 367 transitions, 741 flow [2024-11-10 18:25:27,218 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 275 places, 367 transitions, 741 flow [2024-11-10 18:25:27,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:25:27,238 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52ff2d48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:25:27,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 146 error locations. [2024-11-10 18:25:27,244 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:25:27,244 INFO L124 PetriNetUnfolderBase]: 7/20 cut-off events. [2024-11-10 18:25:27,244 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:25:27,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:27,246 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:25:27,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2024-11-10 18:25:27,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:27,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1926169587, now seen corresponding path program 1 times [2024-11-10 18:25:27,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:27,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728818713] [2024-11-10 18:25:27,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:27,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:27,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:27,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728818713] [2024-11-10 18:25:27,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728818713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:27,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:27,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:25:27,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305803637] [2024-11-10 18:25:27,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:27,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:25:27,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:27,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:25:27,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:25:27,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 367 [2024-11-10 18:25:27,538 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 275 places, 367 transitions, 741 flow. Second operand has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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) [2024-11-10 18:25:27,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:27,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 367 [2024-11-10 18:25:27,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:28,718 INFO L124 PetriNetUnfolderBase]: 2013/4759 cut-off events. [2024-11-10 18:25:28,718 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 18:25:28,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8703 conditions, 4759 events. 2013/4759 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 237. Compared 39193 event pairs, 1752 based on Foata normal form. 2999/6555 useless extension candidates. Maximal degree in co-relation 8629. Up to 3939 conditions per place. [2024-11-10 18:25:28,762 INFO L140 encePairwiseOnDemand]: 281/367 looper letters, 183 selfloop transitions, 0 changer transitions 0/279 dead transitions. [2024-11-10 18:25:28,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 279 transitions, 931 flow [2024-11-10 18:25:28,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 18:25:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 18:25:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 461 transitions. [2024-11-10 18:25:28,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6280653950953679 [2024-11-10 18:25:28,781 INFO L175 Difference]: Start difference. First operand has 275 places, 367 transitions, 741 flow. Second operand 2 states and 461 transitions. [2024-11-10 18:25:28,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 279 transitions, 931 flow [2024-11-10 18:25:28,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 279 transitions, 931 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 18:25:28,795 INFO L231 Difference]: Finished difference. Result has 262 places, 279 transitions, 565 flow [2024-11-10 18:25:28,800 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=279, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=565, PETRI_PLACES=262, PETRI_TRANSITIONS=279} [2024-11-10 18:25:28,804 INFO L277 CegarLoopForPetriNet]: 275 programPoint places, -13 predicate places. [2024-11-10 18:25:28,804 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 279 transitions, 565 flow [2024-11-10 18:25:28,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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) [2024-11-10 18:25:28,805 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:28,805 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:28,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:25:28,805 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2024-11-10 18:25:28,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:28,806 INFO L85 PathProgramCache]: Analyzing trace with hash 285661989, now seen corresponding path program 1 times [2024-11-10 18:25:28,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:28,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46752870] [2024-11-10 18:25:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:28,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:28,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:28,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46752870] [2024-11-10 18:25:28,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46752870] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:28,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:28,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:25:28,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444378946] [2024-11-10 18:25:28,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:28,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:28,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:28,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:28,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:29,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 367 [2024-11-10 18:25:29,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 279 transitions, 565 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2024-11-10 18:25:29,004 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:29,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 367 [2024-11-10 18:25:29,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:30,135 INFO L124 PetriNetUnfolderBase]: 2355/5569 cut-off events. [2024-11-10 18:25:30,135 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 18:25:30,143 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10160 conditions, 5569 events. 2355/5569 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 46924 event pairs, 1756 based on Foata normal form. 0/4242 useless extension candidates. Maximal degree in co-relation 10156. Up to 3938 conditions per place. [2024-11-10 18:25:30,174 INFO L140 encePairwiseOnDemand]: 363/367 looper letters, 349 selfloop transitions, 2 changer transitions 0/443 dead transitions. [2024-11-10 18:25:30,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 262 places, 443 transitions, 1595 flow [2024-11-10 18:25:30,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:30,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 629 transitions. [2024-11-10 18:25:30,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5712988192552225 [2024-11-10 18:25:30,184 INFO L175 Difference]: Start difference. First operand has 262 places, 279 transitions, 565 flow. Second operand 3 states and 629 transitions. [2024-11-10 18:25:30,184 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 262 places, 443 transitions, 1595 flow [2024-11-10 18:25:30,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 443 transitions, 1595 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 18:25:30,195 INFO L231 Difference]: Finished difference. Result has 262 places, 277 transitions, 565 flow [2024-11-10 18:25:30,197 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=277, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=275, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=565, PETRI_PLACES=262, PETRI_TRANSITIONS=277} [2024-11-10 18:25:30,199 INFO L277 CegarLoopForPetriNet]: 275 programPoint places, -13 predicate places. [2024-11-10 18:25:30,199 INFO L471 AbstractCegarLoop]: Abstraction has has 262 places, 277 transitions, 565 flow [2024-11-10 18:25:30,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2024-11-10 18:25:30,199 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:30,200 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:30,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:25:30,201 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2024-11-10 18:25:30,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:30,204 INFO L85 PathProgramCache]: Analyzing trace with hash 285661990, now seen corresponding path program 1 times [2024-11-10 18:25:30,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:30,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166347110] [2024-11-10 18:25:30,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:30,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:30,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:30,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166347110] [2024-11-10 18:25:30,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166347110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:30,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:30,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:25:30,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121764515] [2024-11-10 18:25:30,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:30,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:25:30,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:30,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:25:30,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:25:30,480 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 367 [2024-11-10 18:25:30,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 277 transitions, 565 flow. Second operand has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2024-11-10 18:25:30,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:30,482 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 367 [2024-11-10 18:25:30,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:32,141 INFO L124 PetriNetUnfolderBase]: 2428/8438 cut-off events. [2024-11-10 18:25:32,141 INFO L125 PetriNetUnfolderBase]: For 155/155 co-relation queries the response was YES. [2024-11-10 18:25:32,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13290 conditions, 8438 events. 2428/8438 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 84790 event pairs, 328 based on Foata normal form. 0/6599 useless extension candidates. Maximal degree in co-relation 13285. Up to 3241 conditions per place. [2024-11-10 18:25:32,196 INFO L140 encePairwiseOnDemand]: 360/367 looper letters, 513 selfloop transitions, 5 changer transitions 0/609 dead transitions. [2024-11-10 18:25:32,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 264 places, 609 transitions, 2265 flow [2024-11-10 18:25:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:25:32,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:25:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 892 transitions. [2024-11-10 18:25:32,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6076294277929155 [2024-11-10 18:25:32,199 INFO L175 Difference]: Start difference. First operand has 262 places, 277 transitions, 565 flow. Second operand 4 states and 892 transitions. [2024-11-10 18:25:32,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 264 places, 609 transitions, 2265 flow [2024-11-10 18:25:32,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 609 transitions, 2261 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:25:32,222 INFO L231 Difference]: Finished difference. Result has 264 places, 277 transitions, 583 flow [2024-11-10 18:25:32,222 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=559, PETRI_DIFFERENCE_MINUEND_PLACES=259, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=276, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=271, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=583, PETRI_PLACES=264, PETRI_TRANSITIONS=277} [2024-11-10 18:25:32,224 INFO L277 CegarLoopForPetriNet]: 275 programPoint places, -11 predicate places. [2024-11-10 18:25:32,224 INFO L471 AbstractCegarLoop]: Abstraction has has 264 places, 277 transitions, 583 flow [2024-11-10 18:25:32,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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) [2024-11-10 18:25:32,225 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:32,225 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:32,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:25:32,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2024-11-10 18:25:32,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:32,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1725244172, now seen corresponding path program 1 times [2024-11-10 18:25:32,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:32,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679380221] [2024-11-10 18:25:32,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:32,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:25:32,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 18:25:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:25:32,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 18:25:32,340 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 18:25:32,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (145 of 146 remaining) [2024-11-10 18:25:32,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 146 remaining) [2024-11-10 18:25:32,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 146 remaining) [2024-11-10 18:25:32,345 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (142 of 146 remaining) [2024-11-10 18:25:32,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (141 of 146 remaining) [2024-11-10 18:25:32,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 146 remaining) [2024-11-10 18:25:32,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 146 remaining) [2024-11-10 18:25:32,346 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (138 of 146 remaining) [2024-11-10 18:25:32,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (137 of 146 remaining) [2024-11-10 18:25:32,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (136 of 146 remaining) [2024-11-10 18:25:32,347 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 146 remaining) [2024-11-10 18:25:32,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (134 of 146 remaining) [2024-11-10 18:25:32,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 146 remaining) [2024-11-10 18:25:32,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 146 remaining) [2024-11-10 18:25:32,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 146 remaining) [2024-11-10 18:25:32,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 146 remaining) [2024-11-10 18:25:32,348 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 146 remaining) [2024-11-10 18:25:32,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 146 remaining) [2024-11-10 18:25:32,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (127 of 146 remaining) [2024-11-10 18:25:32,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 146 remaining) [2024-11-10 18:25:32,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 146 remaining) [2024-11-10 18:25:32,349 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (124 of 146 remaining) [2024-11-10 18:25:32,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 146 remaining) [2024-11-10 18:25:32,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 146 remaining) [2024-11-10 18:25:32,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 146 remaining) [2024-11-10 18:25:32,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 146 remaining) [2024-11-10 18:25:32,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 146 remaining) [2024-11-10 18:25:32,350 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 146 remaining) [2024-11-10 18:25:32,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 146 remaining) [2024-11-10 18:25:32,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 146 remaining) [2024-11-10 18:25:32,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 146 remaining) [2024-11-10 18:25:32,351 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 146 remaining) [2024-11-10 18:25:32,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 146 remaining) [2024-11-10 18:25:32,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 146 remaining) [2024-11-10 18:25:32,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 146 remaining) [2024-11-10 18:25:32,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 146 remaining) [2024-11-10 18:25:32,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 146 remaining) [2024-11-10 18:25:32,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 146 remaining) [2024-11-10 18:25:32,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 146 remaining) [2024-11-10 18:25:32,355 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 146 remaining) [2024-11-10 18:25:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 146 remaining) [2024-11-10 18:25:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 146 remaining) [2024-11-10 18:25:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 146 remaining) [2024-11-10 18:25:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 146 remaining) [2024-11-10 18:25:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 146 remaining) [2024-11-10 18:25:32,356 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 146 remaining) [2024-11-10 18:25:32,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 146 remaining) [2024-11-10 18:25:32,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 146 remaining) [2024-11-10 18:25:32,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 146 remaining) [2024-11-10 18:25:32,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 146 remaining) [2024-11-10 18:25:32,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 146 remaining) [2024-11-10 18:25:32,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 146 remaining) [2024-11-10 18:25:32,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 146 remaining) [2024-11-10 18:25:32,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 146 remaining) [2024-11-10 18:25:32,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 146 remaining) [2024-11-10 18:25:32,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 146 remaining) [2024-11-10 18:25:32,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 146 remaining) [2024-11-10 18:25:32,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 146 remaining) [2024-11-10 18:25:32,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 146 remaining) [2024-11-10 18:25:32,365 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 146 remaining) [2024-11-10 18:25:32,366 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 146 remaining) [2024-11-10 18:25:32,367 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 146 remaining) [2024-11-10 18:25:32,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 146 remaining) [2024-11-10 18:25:32,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 146 remaining) [2024-11-10 18:25:32,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 146 remaining) [2024-11-10 18:25:32,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 146 remaining) [2024-11-10 18:25:32,368 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 146 remaining) [2024-11-10 18:25:32,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 146 remaining) [2024-11-10 18:25:32,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 146 remaining) [2024-11-10 18:25:32,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 146 remaining) [2024-11-10 18:25:32,371 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 146 remaining) [2024-11-10 18:25:32,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 146 remaining) [2024-11-10 18:25:32,373 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 146 remaining) [2024-11-10 18:25:32,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 146 remaining) [2024-11-10 18:25:32,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 146 remaining) [2024-11-10 18:25:32,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 146 remaining) [2024-11-10 18:25:32,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 146 remaining) [2024-11-10 18:25:32,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 146 remaining) [2024-11-10 18:25:32,374 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 146 remaining) [2024-11-10 18:25:32,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 146 remaining) [2024-11-10 18:25:32,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 146 remaining) [2024-11-10 18:25:32,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 146 remaining) [2024-11-10 18:25:32,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 146 remaining) [2024-11-10 18:25:32,375 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 146 remaining) [2024-11-10 18:25:32,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 146 remaining) [2024-11-10 18:25:32,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 146 remaining) [2024-11-10 18:25:32,376 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 146 remaining) [2024-11-10 18:25:32,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 146 remaining) [2024-11-10 18:25:32,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 146 remaining) [2024-11-10 18:25:32,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 146 remaining) [2024-11-10 18:25:32,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 146 remaining) [2024-11-10 18:25:32,377 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 146 remaining) [2024-11-10 18:25:32,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 146 remaining) [2024-11-10 18:25:32,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 146 remaining) [2024-11-10 18:25:32,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 146 remaining) [2024-11-10 18:25:32,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 146 remaining) [2024-11-10 18:25:32,378 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 146 remaining) [2024-11-10 18:25:32,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 146 remaining) [2024-11-10 18:25:32,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 146 remaining) [2024-11-10 18:25:32,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 146 remaining) [2024-11-10 18:25:32,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 146 remaining) [2024-11-10 18:25:32,379 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 146 remaining) [2024-11-10 18:25:32,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 146 remaining) [2024-11-10 18:25:32,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 146 remaining) [2024-11-10 18:25:32,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 146 remaining) [2024-11-10 18:25:32,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 146 remaining) [2024-11-10 18:25:32,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 146 remaining) [2024-11-10 18:25:32,380 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 146 remaining) [2024-11-10 18:25:32,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:25:32,381 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-10 18:25:32,384 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 18:25:32,384 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 18:25:32,620 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 18:25:32,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 496 places, 659 transitions, 1334 flow [2024-11-10 18:25:32,797 INFO L124 PetriNetUnfolderBase]: 210/813 cut-off events. [2024-11-10 18:25:32,798 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 18:25:32,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 813 events. 210/813 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4363 event pairs, 0 based on Foata normal form. 0/431 useless extension candidates. Maximal degree in co-relation 675. Up to 12 conditions per place. [2024-11-10 18:25:32,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 496 places, 659 transitions, 1334 flow [2024-11-10 18:25:32,869 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 496 places, 659 transitions, 1334 flow [2024-11-10 18:25:32,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:25:32,871 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52ff2d48, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:25:32,871 INFO L334 AbstractCegarLoop]: Starting to check reachability of 214 error locations. [2024-11-10 18:25:32,873 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:25:32,874 INFO L124 PetriNetUnfolderBase]: 7/20 cut-off events. [2024-11-10 18:25:32,874 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:25:32,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:32,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:25:32,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 211 more)] === [2024-11-10 18:25:32,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:32,875 INFO L85 PathProgramCache]: Analyzing trace with hash 389458733, now seen corresponding path program 1 times [2024-11-10 18:25:32,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:32,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105262941] [2024-11-10 18:25:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:32,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:32,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105262941] [2024-11-10 18:25:32,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105262941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:32,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:32,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:25:32,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835400176] [2024-11-10 18:25:32,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:32,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 18:25:32,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:32,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 18:25:32,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 18:25:32,895 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 659 [2024-11-10 18:25:32,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 659 transitions, 1334 flow. Second operand has 2 states, 2 states have (on average 158.0) internal successors, (316), 2 states have internal predecessors, (316), 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) [2024-11-10 18:25:32,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:32,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 659 [2024-11-10 18:25:32,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand