./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/libvsync/hclhlock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/libvsync/hclhlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd --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 b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:04:51,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:04:51,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-13 14:04:51,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:04:51,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:04:51,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:04:51,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:04:51,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:04:51,486 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:04:51,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:04:51,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:04:51,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:04:51,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:04:51,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:04:51,488 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:04:51,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:04:51,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:04:51,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:04:51,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:04:51,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:04:51,489 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 14:04:51,489 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 14:04:51,490 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 14:04:51,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:04:51,490 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:04:51,490 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:04:51,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:04:51,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:04:51,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:04:51,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:04:51,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:04:51,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:04:51,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:04:51,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:04:51,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:04:51,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:04:51,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:04:51,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:04:51,492 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:04:51,493 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:04:51,493 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:04:51,493 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:04:51,493 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd 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 -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-11-13 14:04:51,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:04:51,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:04:51,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:04:51,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:04:51,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:04:51,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/libvsync/hclhlock.i Unable to find full path for "g++" [2024-11-13 14:04:54,435 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:04:55,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:04:55,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/sv-benchmarks/c/libvsync/hclhlock.i [2024-11-13 14:04:55,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/data/0b9a41b56/1d942d11737a4c1f8f1a1ef3a64217f4/FLAGc0d435188 [2024-11-13 14:04:55,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/data/0b9a41b56/1d942d11737a4c1f8f1a1ef3a64217f4 [2024-11-13 14:04:55,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:04:55,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:04:55,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:04:55,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:04:55,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:04:55,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:04:55" (1/1) ... [2024-11-13 14:04:55,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39da8158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:04:55, skipping insertion in model container [2024-11-13 14:04:55,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:04:55" (1/1) ... [2024-11-13 14:04:55,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:04:58,839 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 14:04:58,848 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 14:04:58,849 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 14:04:58,857 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 14:04:58,858 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 14:04:59,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:04:59,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:04:59,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-13 14:04:59,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-13 14:04:59,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-13 14:04:59,864 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-13 14:04:59,865 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-13 14:04:59,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-13 14:04:59,867 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-13 14:04:59,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-13 14:04:59,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-13 14:04:59,869 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-13 14:04:59,871 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-13 14:04:59,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-13 14:04:59,872 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-13 14:04:59,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-13 14:04:59,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-13 14:04:59,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-13 14:04:59,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-13 14:04:59,874 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-13 14:04:59,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-13 14:04:59,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-13 14:04:59,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-13 14:04:59,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-13 14:04:59,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-13 14:04:59,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-13 14:04:59,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-13 14:04:59,880 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-13 14:04:59,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-13 14:04:59,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-13 14:04:59,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-13 14:04:59,883 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-13 14:04:59,884 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-13 14:04:59,885 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-13 14:04:59,886 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-13 14:04:59,887 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-13 14:04:59,888 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-13 14:04:59,889 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-13 14:04:59,890 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-13 14:04:59,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-13 14:04:59,891 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-13 14:04:59,892 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-13 14:04:59,893 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-13 14:04:59,894 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-13 14:04:59,895 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-13 14:04:59,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-13 14:04:59,896 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-13 14:04:59,898 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-13 14:04:59,900 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-13 14:04:59,901 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-13 14:04:59,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-13 14:04:59,902 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-13 14:04:59,903 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-13 14:04:59,904 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-13 14:04:59,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-13 14:04:59,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-13 14:04:59,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-13 14:04:59,909 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-13 14:04:59,910 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-13 14:04:59,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-13 14:04:59,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-13 14:04:59,915 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-13 14:04:59,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-13 14:04:59,916 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-13 14:04:59,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-13 14:04:59,918 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-13 14:04:59,920 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-13 14:04:59,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-13 14:04:59,921 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-13 14:04:59,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-13 14:04:59,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-13 14:04:59,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-13 14:04:59,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-13 14:04:59,924 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-13 14:04:59,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-13 14:04:59,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-13 14:04:59,926 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-13 14:04:59,929 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-13 14:04:59,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-13 14:04:59,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-13 14:04:59,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-13 14:04:59,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-13 14:04:59,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-13 14:04:59,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-13 14:04:59,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-13 14:04:59,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-13 14:04:59,937 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-13 14:04:59,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-13 14:04:59,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-13 14:04:59,939 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-13 14:04:59,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-13 14:04:59,940 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-13 14:04:59,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-13 14:04:59,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-13 14:04:59,943 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-13 14:04:59,944 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-13 14:04:59,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-13 14:04:59,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-13 14:04:59,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-13 14:04:59,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-13 14:04:59,948 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-13 14:04:59,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-13 14:05:00,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:05:00,424 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:05:00,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00 WrapperNode [2024-11-13 14:05:00,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:05:00,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:05:00,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:05:00,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:05:00,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,651 INFO L138 Inliner]: procedures = 921, calls = 972, calls flagged for inlining = 848, calls inlined = 84, statements flattened = 866 [2024-11-13 14:05:00,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:05:00,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:05:00,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:05:00,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:05:00,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,733 INFO L175 MemorySlicer]: Split 50 memory accesses to 4 slices as follows [2, 28, 18, 2]. 56 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 7, 6, 0]. The 15 writes are split as follows [0, 9, 5, 1]. [2024-11-13 14:05:00,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:05:00,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:05:00,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:05:00,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:05:00,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (1/1) ... [2024-11-13 14:05:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:05:00,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:05:00,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:05:00,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:05:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:05:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:05:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:05:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:05:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:05:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 14:05:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 14:05:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 14:05:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 14:05:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:05:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:05:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-13 14:05:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:05:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:05:00,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:05:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:05:00,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:05:00,956 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 14:05:01,306 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:05:01,308 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:05:03,254 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 14:05:03,255 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:05:04,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:05:04,202 INFO L316 CfgBuilder]: Removed 106 assume(true) statements. [2024-11-13 14:05:04,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:05:04 BoogieIcfgContainer [2024-11-13 14:05:04,203 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:05:04,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:05:04,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:05:04,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:05:04,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:04:55" (1/3) ... [2024-11-13 14:05:04,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16425d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:05:04, skipping insertion in model container [2024-11-13 14:05:04,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:05:00" (2/3) ... [2024-11-13 14:05:04,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16425d75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:05:04, skipping insertion in model container [2024-11-13 14:05:04,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:05:04" (3/3) ... [2024-11-13 14:05:04,215 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-11-13 14:05:04,236 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:05:04,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hclhlock.i that has 2 procedures, 357 locations, 1 initial locations, 60 loop locations, and 88 error locations. [2024-11-13 14:05:04,239 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 14:05:04,570 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 14:05:04,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 360 places, 515 transitions, 1037 flow [2024-11-13 14:05:04,926 INFO L124 PetriNetUnfolderBase]: 171/559 cut-off events. [2024-11-13 14:05:04,933 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 14:05:04,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 559 events. 171/559 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2226 event pairs, 0 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 420. Up to 6 conditions per place. [2024-11-13 14:05:04,953 INFO L82 GeneralOperation]: Start removeDead. Operand has 360 places, 515 transitions, 1037 flow [2024-11-13 14:05:04,975 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 360 places, 515 transitions, 1037 flow [2024-11-13 14:05:04,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:05:05,011 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;@3a7feb92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:05:05,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 154 error locations. [2024-11-13 14:05:05,025 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:05:05,025 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-11-13 14:05:05,025 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:05:05,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:05,026 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-13 14:05:05,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:05,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash 98503, now seen corresponding path program 1 times [2024-11-13 14:05:05,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:05,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411531923] [2024-11-13 14:05:05,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:05,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:05,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:05,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411531923] [2024-11-13 14:05:05,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411531923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:05,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:05,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:05:05,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186052868] [2024-11-13 14:05:05,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:05,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:05,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:05,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:05,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:05,726 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:05,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 360 places, 515 transitions, 1037 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2024-11-13 14:05:05,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:05,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:05,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:07,460 INFO L124 PetriNetUnfolderBase]: 1543/4334 cut-off events. [2024-11-13 14:05:07,461 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 14:05:07,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7243 conditions, 4334 events. 1543/4334 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33680 event pairs, 1240 based on Foata normal form. 2007/5529 useless extension candidates. Maximal degree in co-relation 7090. Up to 2900 conditions per place. [2024-11-13 14:05:07,498 INFO L140 encePairwiseOnDemand]: 379/515 looper letters, 190 selfloop transitions, 4 changer transitions 0/366 dead transitions. [2024-11-13 14:05:07,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 366 transitions, 1127 flow [2024-11-13 14:05:07,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:07,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 842 transitions. [2024-11-13 14:05:07,523 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5449838187702265 [2024-11-13 14:05:07,525 INFO L175 Difference]: Start difference. First operand has 360 places, 515 transitions, 1037 flow. Second operand 3 states and 842 transitions. [2024-11-13 14:05:07,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 366 transitions, 1127 flow [2024-11-13 14:05:07,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 366 transitions, 1127 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-13 14:05:07,556 INFO L231 Difference]: Finished difference. Result has 338 places, 366 transitions, 747 flow [2024-11-13 14:05:07,560 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=739, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=362, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=747, PETRI_PLACES=338, PETRI_TRANSITIONS=366} [2024-11-13 14:05:07,567 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -22 predicate places. [2024-11-13 14:05:07,567 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 366 transitions, 747 flow [2024-11-13 14:05:07,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2024-11-13 14:05:07,568 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:07,568 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-13 14:05:07,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:05:07,568 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:07,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:07,569 INFO L85 PathProgramCache]: Analyzing trace with hash 98504, now seen corresponding path program 1 times [2024-11-13 14:05:07,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:07,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439074010] [2024-11-13 14:05:07,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:07,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:07,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:07,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:07,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439074010] [2024-11-13 14:05:07,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439074010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:07,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:07,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:05:07,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575416414] [2024-11-13 14:05:07,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:07,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:07,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:07,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:07,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:08,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:08,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 366 transitions, 747 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2024-11-13 14:05:08,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:08,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:08,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:09,448 INFO L124 PetriNetUnfolderBase]: 1543/4333 cut-off events. [2024-11-13 14:05:09,448 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 14:05:09,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7246 conditions, 4333 events. 1543/4333 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33756 event pairs, 1240 based on Foata normal form. 0/3523 useless extension candidates. Maximal degree in co-relation 7221. Up to 2901 conditions per place. [2024-11-13 14:05:09,481 INFO L140 encePairwiseOnDemand]: 512/515 looper letters, 191 selfloop transitions, 2 changer transitions 0/365 dead transitions. [2024-11-13 14:05:09,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 365 transitions, 1131 flow [2024-11-13 14:05:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 710 transitions. [2024-11-13 14:05:09,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.459546925566343 [2024-11-13 14:05:09,487 INFO L175 Difference]: Start difference. First operand has 338 places, 366 transitions, 747 flow. Second operand 3 states and 710 transitions. [2024-11-13 14:05:09,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 365 transitions, 1131 flow [2024-11-13 14:05:09,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 365 transitions, 1123 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:09,504 INFO L231 Difference]: Finished difference. Result has 337 places, 365 transitions, 741 flow [2024-11-13 14:05:09,505 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=365, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=363, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=741, PETRI_PLACES=337, PETRI_TRANSITIONS=365} [2024-11-13 14:05:09,506 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -23 predicate places. [2024-11-13 14:05:09,506 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 365 transitions, 741 flow [2024-11-13 14:05:09,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2024-11-13 14:05:09,507 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:09,507 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 14:05:09,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:05:09,508 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:09,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:09,508 INFO L85 PathProgramCache]: Analyzing trace with hash 94763870, now seen corresponding path program 1 times [2024-11-13 14:05:09,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:09,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747392832] [2024-11-13 14:05:09,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:09,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:09,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:09,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:09,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747392832] [2024-11-13 14:05:09,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747392832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:09,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:09,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:09,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014437095] [2024-11-13 14:05:09,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:09,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:05:09,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:09,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:05:09,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:05:10,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:10,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 365 transitions, 741 flow. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 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) [2024-11-13 14:05:10,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:10,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:10,017 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:11,477 INFO L124 PetriNetUnfolderBase]: 1543/4331 cut-off events. [2024-11-13 14:05:11,477 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 14:05:11,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7240 conditions, 4331 events. 1543/4331 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33692 event pairs, 1240 based on Foata normal form. 0/3522 useless extension candidates. Maximal degree in co-relation 7228. Up to 2891 conditions per place. [2024-11-13 14:05:11,503 INFO L140 encePairwiseOnDemand]: 507/515 looper letters, 185 selfloop transitions, 6 changer transitions 0/363 dead transitions. [2024-11-13 14:05:11,503 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 339 places, 363 transitions, 1119 flow [2024-11-13 14:05:11,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:05:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:05:11,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1053 transitions. [2024-11-13 14:05:11,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40893203883495144 [2024-11-13 14:05:11,508 INFO L175 Difference]: Start difference. First operand has 337 places, 365 transitions, 741 flow. Second operand 5 states and 1053 transitions. [2024-11-13 14:05:11,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 339 places, 363 transitions, 1119 flow [2024-11-13 14:05:11,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 363 transitions, 1115 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:11,516 INFO L231 Difference]: Finished difference. Result has 337 places, 363 transitions, 745 flow [2024-11-13 14:05:11,517 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=333, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=363, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=745, PETRI_PLACES=337, PETRI_TRANSITIONS=363} [2024-11-13 14:05:11,518 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -23 predicate places. [2024-11-13 14:05:11,518 INFO L471 AbstractCegarLoop]: Abstraction has has 337 places, 363 transitions, 745 flow [2024-11-13 14:05:11,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 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) [2024-11-13 14:05:11,519 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:11,519 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-13 14:05:11,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:05:11,519 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:11,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:11,520 INFO L85 PathProgramCache]: Analyzing trace with hash 94763871, now seen corresponding path program 1 times [2024-11-13 14:05:11,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:11,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670323018] [2024-11-13 14:05:11,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:11,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:11,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:11,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:11,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670323018] [2024-11-13 14:05:11,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670323018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:11,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:11,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:11,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227013642] [2024-11-13 14:05:11,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:11,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:05:11,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:11,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:05:11,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:05:12,066 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:12,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 363 transitions, 745 flow. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 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) [2024-11-13 14:05:12,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:12,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:12,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:13,572 INFO L124 PetriNetUnfolderBase]: 1543/4330 cut-off events. [2024-11-13 14:05:13,573 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 14:05:13,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7242 conditions, 4330 events. 1543/4330 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33732 event pairs, 1240 based on Foata normal form. 0/3522 useless extension candidates. Maximal degree in co-relation 7212. Up to 2891 conditions per place. [2024-11-13 14:05:13,605 INFO L140 encePairwiseOnDemand]: 510/515 looper letters, 186 selfloop transitions, 4 changer transitions 0/362 dead transitions. [2024-11-13 14:05:13,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 362 transitions, 1123 flow [2024-11-13 14:05:13,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:05:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:05:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1051 transitions. [2024-11-13 14:05:13,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40815533980582525 [2024-11-13 14:05:13,611 INFO L175 Difference]: Start difference. First operand has 337 places, 363 transitions, 745 flow. Second operand 5 states and 1051 transitions. [2024-11-13 14:05:13,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 362 transitions, 1123 flow [2024-11-13 14:05:13,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 362 transitions, 1111 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 14:05:13,620 INFO L231 Difference]: Finished difference. Result has 336 places, 362 transitions, 739 flow [2024-11-13 14:05:13,621 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=731, PETRI_DIFFERENCE_MINUEND_PLACES=332, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=739, PETRI_PLACES=336, PETRI_TRANSITIONS=362} [2024-11-13 14:05:13,623 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -24 predicate places. [2024-11-13 14:05:13,624 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 362 transitions, 739 flow [2024-11-13 14:05:13,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 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) [2024-11-13 14:05:13,625 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:13,625 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:13,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:05:13,626 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:13,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:13,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1319762923, now seen corresponding path program 1 times [2024-11-13 14:05:13,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:13,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715605545] [2024-11-13 14:05:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:14,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:14,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:14,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715605545] [2024-11-13 14:05:14,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715605545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:14,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:14,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:05:14,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947203286] [2024-11-13 14:05:14,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:14,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:05:14,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:14,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:05:14,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:05:14,409 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:14,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 362 transitions, 739 flow. Second operand has 6 states, 6 states have (on average 173.16666666666666) internal successors, (1039), 6 states have internal predecessors, (1039), 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) [2024-11-13 14:05:14,411 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:14,411 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:14,411 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:15,795 INFO L124 PetriNetUnfolderBase]: 1543/4329 cut-off events. [2024-11-13 14:05:15,796 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 14:05:15,801 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7238 conditions, 4329 events. 1543/4329 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33716 event pairs, 1240 based on Foata normal form. 0/3523 useless extension candidates. Maximal degree in co-relation 7212. Up to 2891 conditions per place. [2024-11-13 14:05:15,815 INFO L140 encePairwiseOnDemand]: 508/515 looper letters, 183 selfloop transitions, 6 changer transitions 0/361 dead transitions. [2024-11-13 14:05:15,815 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 361 transitions, 1115 flow [2024-11-13 14:05:15,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:05:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:05:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1222 transitions. [2024-11-13 14:05:15,820 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39546925566343044 [2024-11-13 14:05:15,821 INFO L175 Difference]: Start difference. First operand has 336 places, 362 transitions, 739 flow. Second operand 6 states and 1222 transitions. [2024-11-13 14:05:15,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 361 transitions, 1115 flow [2024-11-13 14:05:15,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 336 places, 361 transitions, 1107 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 14:05:15,829 INFO L231 Difference]: Finished difference. Result has 336 places, 361 transitions, 741 flow [2024-11-13 14:05:15,830 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=729, PETRI_DIFFERENCE_MINUEND_PLACES=331, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=741, PETRI_PLACES=336, PETRI_TRANSITIONS=361} [2024-11-13 14:05:15,831 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -24 predicate places. [2024-11-13 14:05:15,831 INFO L471 AbstractCegarLoop]: Abstraction has has 336 places, 361 transitions, 741 flow [2024-11-13 14:05:15,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 173.16666666666666) internal successors, (1039), 6 states have internal predecessors, (1039), 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) [2024-11-13 14:05:15,832 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:15,832 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:15,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:05:15,833 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:15,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:15,833 INFO L85 PathProgramCache]: Analyzing trace with hash 939130210, now seen corresponding path program 1 times [2024-11-13 14:05:15,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:15,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201043604] [2024-11-13 14:05:15,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:15,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:15,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:15,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201043604] [2024-11-13 14:05:15,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201043604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:15,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:15,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:15,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671067043] [2024-11-13 14:05:15,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:15,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:05:15,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:15,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:05:15,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:05:15,986 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:15,987 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 361 transitions, 741 flow. Second operand has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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) [2024-11-13 14:05:15,987 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:15,988 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:15,988 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:16,923 INFO L124 PetriNetUnfolderBase]: 1543/4326 cut-off events. [2024-11-13 14:05:16,924 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 14:05:16,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7236 conditions, 4326 events. 1543/4326 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33709 event pairs, 1240 based on Foata normal form. 1/3520 useless extension candidates. Maximal degree in co-relation 7208. Up to 2881 conditions per place. [2024-11-13 14:05:16,946 INFO L140 encePairwiseOnDemand]: 511/515 looper letters, 185 selfloop transitions, 3 changer transitions 0/358 dead transitions. [2024-11-13 14:05:16,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 358 transitions, 1111 flow [2024-11-13 14:05:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:05:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 14:05:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 877 transitions. [2024-11-13 14:05:16,951 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42572815533980585 [2024-11-13 14:05:16,951 INFO L175 Difference]: Start difference. First operand has 336 places, 361 transitions, 741 flow. Second operand 4 states and 877 transitions. [2024-11-13 14:05:16,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 358 transitions, 1111 flow [2024-11-13 14:05:16,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 358 transitions, 1099 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 14:05:16,962 INFO L231 Difference]: Finished difference. Result has 331 places, 358 transitions, 729 flow [2024-11-13 14:05:16,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=723, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=358, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=729, PETRI_PLACES=331, PETRI_TRANSITIONS=358} [2024-11-13 14:05:16,964 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -29 predicate places. [2024-11-13 14:05:16,965 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 358 transitions, 729 flow [2024-11-13 14:05:16,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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) [2024-11-13 14:05:16,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:16,966 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:16,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:05:16,967 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:16,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:16,967 INFO L85 PathProgramCache]: Analyzing trace with hash 552748709, now seen corresponding path program 1 times [2024-11-13 14:05:16,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:16,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499196973] [2024-11-13 14:05:16,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:16,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:17,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:17,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:17,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499196973] [2024-11-13 14:05:17,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499196973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:17,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:17,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:17,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400705189] [2024-11-13 14:05:17,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:17,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:05:17,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:17,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:05:17,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:05:17,077 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:17,078 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 358 transitions, 729 flow. Second operand has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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) [2024-11-13 14:05:17,078 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:17,078 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:17,078 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:18,173 INFO L124 PetriNetUnfolderBase]: 1543/4323 cut-off events. [2024-11-13 14:05:18,173 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-11-13 14:05:18,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7229 conditions, 4323 events. 1543/4323 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33695 event pairs, 1240 based on Foata normal form. 1/3518 useless extension candidates. Maximal degree in co-relation 7167. Up to 2881 conditions per place. [2024-11-13 14:05:18,192 INFO L140 encePairwiseOnDemand]: 511/515 looper letters, 184 selfloop transitions, 3 changer transitions 0/355 dead transitions. [2024-11-13 14:05:18,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 355 transitions, 1097 flow [2024-11-13 14:05:18,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:05:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 14:05:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 876 transitions. [2024-11-13 14:05:18,196 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.42524271844660194 [2024-11-13 14:05:18,197 INFO L175 Difference]: Start difference. First operand has 331 places, 358 transitions, 729 flow. Second operand 4 states and 876 transitions. [2024-11-13 14:05:18,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 355 transitions, 1097 flow [2024-11-13 14:05:18,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 355 transitions, 1091 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:05:18,208 INFO L231 Difference]: Finished difference. Result has 328 places, 355 transitions, 723 flow [2024-11-13 14:05:18,209 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=723, PETRI_PLACES=328, PETRI_TRANSITIONS=355} [2024-11-13 14:05:18,209 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -32 predicate places. [2024-11-13 14:05:18,210 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 355 transitions, 723 flow [2024-11-13 14:05:18,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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) [2024-11-13 14:05:18,210 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:18,210 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:18,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:05:18,211 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:18,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:18,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1397907361, now seen corresponding path program 1 times [2024-11-13 14:05:18,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:18,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304730865] [2024-11-13 14:05:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:18,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:18,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:18,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304730865] [2024-11-13 14:05:18,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304730865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:18,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:18,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:18,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563041421] [2024-11-13 14:05:18,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:18,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:18,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:18,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:18,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:18,309 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:18,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 355 transitions, 723 flow. Second operand has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2024-11-13 14:05:18,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:18,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:18,310 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:19,381 INFO L124 PetriNetUnfolderBase]: 1543/4326 cut-off events. [2024-11-13 14:05:19,381 INFO L125 PetriNetUnfolderBase]: For 7/9 co-relation queries the response was YES. [2024-11-13 14:05:19,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7235 conditions, 4326 events. 1543/4326 cut-off events. For 7/9 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33669 event pairs, 1240 based on Foata normal form. 0/3520 useless extension candidates. Maximal degree in co-relation 7173. Up to 2893 conditions per place. [2024-11-13 14:05:19,401 INFO L140 encePairwiseOnDemand]: 512/515 looper letters, 188 selfloop transitions, 2 changer transitions 0/358 dead transitions. [2024-11-13 14:05:19,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 330 places, 358 transitions, 1109 flow [2024-11-13 14:05:19,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:19,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 707 transitions. [2024-11-13 14:05:19,405 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4576051779935275 [2024-11-13 14:05:19,405 INFO L175 Difference]: Start difference. First operand has 328 places, 355 transitions, 723 flow. Second operand 3 states and 707 transitions. [2024-11-13 14:05:19,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 330 places, 358 transitions, 1109 flow [2024-11-13 14:05:19,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 358 transitions, 1103 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:05:19,416 INFO L231 Difference]: Finished difference. Result has 328 places, 356 transitions, 729 flow [2024-11-13 14:05:19,417 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=325, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=729, PETRI_PLACES=328, PETRI_TRANSITIONS=356} [2024-11-13 14:05:19,417 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -32 predicate places. [2024-11-13 14:05:19,417 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 356 transitions, 729 flow [2024-11-13 14:05:19,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 174.66666666666666) internal successors, (524), 3 states have internal predecessors, (524), 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) [2024-11-13 14:05:19,418 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:19,418 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:19,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:05:19,419 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:19,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:19,419 INFO L85 PathProgramCache]: Analyzing trace with hash -619385664, now seen corresponding path program 1 times [2024-11-13 14:05:19,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:19,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416552917] [2024-11-13 14:05:19,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:19,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:19,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:19,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:19,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416552917] [2024-11-13 14:05:19,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416552917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:05:19,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904231707] [2024-11-13 14:05:19,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:19,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:05:19,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:05:19,558 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:05:19,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:05:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:19,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:05:19,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:05:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:19,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:05:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:19,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904231707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:05:19,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:05:19,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 14:05:19,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223452380] [2024-11-13 14:05:19,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:05:19,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:05:19,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:19,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:05:19,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:05:19,900 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:19,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 356 transitions, 729 flow. Second operand has 7 states, 7 states have (on average 174.57142857142858) internal successors, (1222), 7 states have internal predecessors, (1222), 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) [2024-11-13 14:05:19,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:19,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:19,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:21,230 INFO L124 PetriNetUnfolderBase]: 1543/4329 cut-off events. [2024-11-13 14:05:21,230 INFO L125 PetriNetUnfolderBase]: For 6/8 co-relation queries the response was YES. [2024-11-13 14:05:21,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7245 conditions, 4329 events. 1543/4329 cut-off events. For 6/8 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33691 event pairs, 1240 based on Foata normal form. 1/3524 useless extension candidates. Maximal degree in co-relation 7221. Up to 2891 conditions per place. [2024-11-13 14:05:21,257 INFO L140 encePairwiseOnDemand]: 511/515 looper letters, 188 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-13 14:05:21,257 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 361 transitions, 1127 flow [2024-11-13 14:05:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:05:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:05:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1054 transitions. [2024-11-13 14:05:21,262 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40932038834951456 [2024-11-13 14:05:21,262 INFO L175 Difference]: Start difference. First operand has 328 places, 356 transitions, 729 flow. Second operand 5 states and 1054 transitions. [2024-11-13 14:05:21,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 361 transitions, 1127 flow [2024-11-13 14:05:21,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 361 transitions, 1125 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:05:21,272 INFO L231 Difference]: Finished difference. Result has 333 places, 358 transitions, 753 flow [2024-11-13 14:05:21,273 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=727, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=753, PETRI_PLACES=333, PETRI_TRANSITIONS=358} [2024-11-13 14:05:21,274 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -27 predicate places. [2024-11-13 14:05:21,275 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 358 transitions, 753 flow [2024-11-13 14:05:21,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 174.57142857142858) internal successors, (1222), 7 states have internal predecessors, (1222), 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) [2024-11-13 14:05:21,276 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:21,276 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:21,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:05:21,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:05:21,477 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:21,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:21,478 INFO L85 PathProgramCache]: Analyzing trace with hash -502908737, now seen corresponding path program 2 times [2024-11-13 14:05:21,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:21,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026485181] [2024-11-13 14:05:21,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:21,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:21,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:21,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:21,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026485181] [2024-11-13 14:05:21,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026485181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:21,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:21,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:21,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524548487] [2024-11-13 14:05:21,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:21,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:21,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:21,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:21,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:21,751 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:21,753 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 358 transitions, 753 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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) [2024-11-13 14:05:21,753 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:21,753 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:21,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:22,787 INFO L124 PetriNetUnfolderBase]: 1543/4326 cut-off events. [2024-11-13 14:05:22,788 INFO L125 PetriNetUnfolderBase]: For 15/17 co-relation queries the response was YES. [2024-11-13 14:05:22,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7252 conditions, 4326 events. 1543/4326 cut-off events. For 15/17 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33684 event pairs, 1240 based on Foata normal form. 1/3521 useless extension candidates. Maximal degree in co-relation 7204. Up to 2888 conditions per place. [2024-11-13 14:05:22,814 INFO L140 encePairwiseOnDemand]: 512/515 looper letters, 187 selfloop transitions, 2 changer transitions 0/355 dead transitions. [2024-11-13 14:05:22,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 355 transitions, 1125 flow [2024-11-13 14:05:22,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 703 transitions. [2024-11-13 14:05:22,821 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45501618122977344 [2024-11-13 14:05:22,821 INFO L175 Difference]: Start difference. First operand has 333 places, 358 transitions, 753 flow. Second operand 3 states and 703 transitions. [2024-11-13 14:05:22,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 355 transitions, 1125 flow [2024-11-13 14:05:22,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 355 transitions, 1119 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-13 14:05:22,831 INFO L231 Difference]: Finished difference. Result has 331 places, 355 transitions, 745 flow [2024-11-13 14:05:22,833 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=745, PETRI_PLACES=331, PETRI_TRANSITIONS=355} [2024-11-13 14:05:22,835 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -29 predicate places. [2024-11-13 14:05:22,835 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 355 transitions, 745 flow [2024-11-13 14:05:22,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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) [2024-11-13 14:05:22,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:22,836 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:22,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:05:22,836 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:22,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:22,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1606268154, now seen corresponding path program 1 times [2024-11-13 14:05:22,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:22,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257468802] [2024-11-13 14:05:22,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:22,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:22,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257468802] [2024-11-13 14:05:22,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257468802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:22,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:22,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:22,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760847494] [2024-11-13 14:05:22,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:22,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:22,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:22,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:22,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:22,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 355 transitions, 745 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-11-13 14:05:22,973 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:22,973 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:22,973 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:24,237 INFO L124 PetriNetUnfolderBase]: 1546/4360 cut-off events. [2024-11-13 14:05:24,237 INFO L125 PetriNetUnfolderBase]: For 11/13 co-relation queries the response was YES. [2024-11-13 14:05:24,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7303 conditions, 4360 events. 1546/4360 cut-off events. For 11/13 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33751 event pairs, 1240 based on Foata normal form. 1/3551 useless extension candidates. Maximal degree in co-relation 7257. Up to 2902 conditions per place. [2024-11-13 14:05:24,261 INFO L140 encePairwiseOnDemand]: 512/515 looper letters, 202 selfloop transitions, 2 changer transitions 0/370 dead transitions. [2024-11-13 14:05:24,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 333 places, 370 transitions, 1187 flow [2024-11-13 14:05:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 718 transitions. [2024-11-13 14:05:24,266 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4647249190938511 [2024-11-13 14:05:24,266 INFO L175 Difference]: Start difference. First operand has 331 places, 355 transitions, 745 flow. Second operand 3 states and 718 transitions. [2024-11-13 14:05:24,266 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 333 places, 370 transitions, 1187 flow [2024-11-13 14:05:24,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 370 transitions, 1179 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:24,275 INFO L231 Difference]: Finished difference. Result has 332 places, 356 transitions, 753 flow [2024-11-13 14:05:24,276 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=353, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=753, PETRI_PLACES=332, PETRI_TRANSITIONS=356} [2024-11-13 14:05:24,277 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -28 predicate places. [2024-11-13 14:05:24,277 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 356 transitions, 753 flow [2024-11-13 14:05:24,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-11-13 14:05:24,277 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:24,278 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:24,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 14:05:24,278 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:24,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:24,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1421918779, now seen corresponding path program 1 times [2024-11-13 14:05:24,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:24,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156375954] [2024-11-13 14:05:24,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:24,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:24,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:24,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156375954] [2024-11-13 14:05:24,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156375954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:24,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:24,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:05:24,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788297974] [2024-11-13 14:05:24,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:24,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:05:24,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:24,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:05:24,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:05:24,627 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:24,628 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 356 transitions, 753 flow. Second operand has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2024-11-13 14:05:24,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:24,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:24,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:25,914 INFO L124 PetriNetUnfolderBase]: 1546/4354 cut-off events. [2024-11-13 14:05:25,914 INFO L125 PetriNetUnfolderBase]: For 14/16 co-relation queries the response was YES. [2024-11-13 14:05:25,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7297 conditions, 4354 events. 1546/4354 cut-off events. For 14/16 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33687 event pairs, 1240 based on Foata normal form. 2/3546 useless extension candidates. Maximal degree in co-relation 7250. Up to 2889 conditions per place. [2024-11-13 14:05:25,943 INFO L140 encePairwiseOnDemand]: 510/515 looper letters, 184 selfloop transitions, 5 changer transitions 0/353 dead transitions. [2024-11-13 14:05:25,944 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 353 transitions, 1125 flow [2024-11-13 14:05:25,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:05:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 14:05:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 874 transitions. [2024-11-13 14:05:25,948 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4242718446601942 [2024-11-13 14:05:25,948 INFO L175 Difference]: Start difference. First operand has 332 places, 356 transitions, 753 flow. Second operand 4 states and 874 transitions. [2024-11-13 14:05:25,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 353 transitions, 1125 flow [2024-11-13 14:05:25,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 353 transitions, 1123 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 14:05:25,957 INFO L231 Difference]: Finished difference. Result has 331 places, 353 transitions, 755 flow [2024-11-13 14:05:25,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=745, PETRI_DIFFERENCE_MINUEND_PLACES=328, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=755, PETRI_PLACES=331, PETRI_TRANSITIONS=353} [2024-11-13 14:05:25,959 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -29 predicate places. [2024-11-13 14:05:25,959 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 353 transitions, 755 flow [2024-11-13 14:05:25,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 175.0) internal successors, (700), 4 states have internal predecessors, (700), 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) [2024-11-13 14:05:25,960 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:25,960 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:25,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 14:05:25,961 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:25,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:25,961 INFO L85 PathProgramCache]: Analyzing trace with hash 336092586, now seen corresponding path program 1 times [2024-11-13 14:05:25,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:25,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775603524] [2024-11-13 14:05:25,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:25,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:26,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:26,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775603524] [2024-11-13 14:05:26,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775603524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:26,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:26,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:26,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402666320] [2024-11-13 14:05:26,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:26,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:05:26,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:26,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:05:26,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:05:26,526 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:26,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 353 transitions, 755 flow. Second operand has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 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) [2024-11-13 14:05:26,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:26,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:26,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:28,066 INFO L124 PetriNetUnfolderBase]: 1536/4241 cut-off events. [2024-11-13 14:05:28,066 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2024-11-13 14:05:28,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7189 conditions, 4241 events. 1536/4241 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 32490 event pairs, 992 based on Foata normal form. 0/3473 useless extension candidates. Maximal degree in co-relation 7142. Up to 2342 conditions per place. [2024-11-13 14:05:28,096 INFO L140 encePairwiseOnDemand]: 507/515 looper letters, 326 selfloop transitions, 8 changer transitions 0/498 dead transitions. [2024-11-13 14:05:28,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 498 transitions, 1713 flow [2024-11-13 14:05:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:05:28,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 14:05:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1363 transitions. [2024-11-13 14:05:28,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44110032362459545 [2024-11-13 14:05:28,104 INFO L175 Difference]: Start difference. First operand has 331 places, 353 transitions, 755 flow. Second operand 6 states and 1363 transitions. [2024-11-13 14:05:28,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 498 transitions, 1713 flow [2024-11-13 14:05:28,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 498 transitions, 1703 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:05:28,117 INFO L231 Difference]: Finished difference. Result has 332 places, 352 transitions, 759 flow [2024-11-13 14:05:28,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=743, PETRI_DIFFERENCE_MINUEND_PLACES=327, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=759, PETRI_PLACES=332, PETRI_TRANSITIONS=352} [2024-11-13 14:05:28,119 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -28 predicate places. [2024-11-13 14:05:28,119 INFO L471 AbstractCegarLoop]: Abstraction has has 332 places, 352 transitions, 759 flow [2024-11-13 14:05:28,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 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) [2024-11-13 14:05:28,121 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:28,121 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:28,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 14:05:28,122 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:28,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:28,122 INFO L85 PathProgramCache]: Analyzing trace with hash 336092587, now seen corresponding path program 1 times [2024-11-13 14:05:28,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:28,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897204800] [2024-11-13 14:05:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:28,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:28,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897204800] [2024-11-13 14:05:28,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897204800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:28,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:28,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:28,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840920837] [2024-11-13 14:05:28,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:28,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:05:28,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:28,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:05:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:05:28,980 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:28,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 332 places, 352 transitions, 759 flow. Second operand has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 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) [2024-11-13 14:05:28,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:28,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:28,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:30,297 INFO L124 PetriNetUnfolderBase]: 1546/4350 cut-off events. [2024-11-13 14:05:30,297 INFO L125 PetriNetUnfolderBase]: For 142/144 co-relation queries the response was YES. [2024-11-13 14:05:30,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7424 conditions, 4350 events. 1546/4350 cut-off events. For 142/144 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33597 event pairs, 1240 based on Foata normal form. 0/3544 useless extension candidates. Maximal degree in co-relation 7375. Up to 2888 conditions per place. [2024-11-13 14:05:30,322 INFO L140 encePairwiseOnDemand]: 509/515 looper letters, 181 selfloop transitions, 6 changer transitions 0/351 dead transitions. [2024-11-13 14:05:30,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 351 transitions, 1131 flow [2024-11-13 14:05:30,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:05:30,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:05:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1044 transitions. [2024-11-13 14:05:30,327 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4054368932038835 [2024-11-13 14:05:30,327 INFO L175 Difference]: Start difference. First operand has 332 places, 352 transitions, 759 flow. Second operand 5 states and 1044 transitions. [2024-11-13 14:05:30,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 351 transitions, 1131 flow [2024-11-13 14:05:30,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 351 transitions, 1115 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 14:05:30,336 INFO L231 Difference]: Finished difference. Result has 330 places, 351 transitions, 753 flow [2024-11-13 14:05:30,337 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=741, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=351, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=753, PETRI_PLACES=330, PETRI_TRANSITIONS=351} [2024-11-13 14:05:30,338 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -30 predicate places. [2024-11-13 14:05:30,338 INFO L471 AbstractCegarLoop]: Abstraction has has 330 places, 351 transitions, 753 flow [2024-11-13 14:05:30,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 175.2) internal successors, (876), 5 states have internal predecessors, (876), 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) [2024-11-13 14:05:30,339 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:30,339 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:30,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 14:05:30,339 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:30,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:30,340 INFO L85 PathProgramCache]: Analyzing trace with hash 862531006, now seen corresponding path program 1 times [2024-11-13 14:05:30,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:30,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285278111] [2024-11-13 14:05:30,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:30,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:30,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:30,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285278111] [2024-11-13 14:05:30,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285278111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:30,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:30,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:05:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401506831] [2024-11-13 14:05:30,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:30,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:05:30,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:30,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:05:30,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:05:30,739 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 515 [2024-11-13 14:05:30,740 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 330 places, 351 transitions, 753 flow. Second operand has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 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) [2024-11-13 14:05:30,740 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:30,741 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 515 [2024-11-13 14:05:30,741 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:32,128 INFO L124 PetriNetUnfolderBase]: 1536/4235 cut-off events. [2024-11-13 14:05:32,128 INFO L125 PetriNetUnfolderBase]: For 12/14 co-relation queries the response was YES. [2024-11-13 14:05:32,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7184 conditions, 4235 events. 1536/4235 cut-off events. For 12/14 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 32396 event pairs, 992 based on Foata normal form. 2/3477 useless extension candidates. Maximal degree in co-relation 7136. Up to 2344 conditions per place. [2024-11-13 14:05:32,156 INFO L140 encePairwiseOnDemand]: 509/515 looper letters, 329 selfloop transitions, 5 changer transitions 0/495 dead transitions. [2024-11-13 14:05:32,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 495 transitions, 1709 flow [2024-11-13 14:05:32,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:05:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 14:05:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1008 transitions. [2024-11-13 14:05:32,161 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4893203883495146 [2024-11-13 14:05:32,161 INFO L175 Difference]: Start difference. First operand has 330 places, 351 transitions, 753 flow. Second operand 4 states and 1008 transitions. [2024-11-13 14:05:32,161 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 495 transitions, 1709 flow [2024-11-13 14:05:32,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 495 transitions, 1697 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 14:05:32,172 INFO L231 Difference]: Finished difference. Result has 327 places, 349 transitions, 747 flow [2024-11-13 14:05:32,172 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=737, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=349, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=747, PETRI_PLACES=327, PETRI_TRANSITIONS=349} [2024-11-13 14:05:32,173 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -33 predicate places. [2024-11-13 14:05:32,173 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 349 transitions, 747 flow [2024-11-13 14:05:32,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 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) [2024-11-13 14:05:32,174 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:32,174 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:32,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:05:32,175 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:32,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:32,175 INFO L85 PathProgramCache]: Analyzing trace with hash 862531007, now seen corresponding path program 1 times [2024-11-13 14:05:32,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:32,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976862774] [2024-11-13 14:05:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:32,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:33,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:33,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976862774] [2024-11-13 14:05:33,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976862774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:33,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:33,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:05:33,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663373295] [2024-11-13 14:05:33,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:33,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:05:33,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:33,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:05:33,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:05:33,416 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 515 [2024-11-13 14:05:33,418 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 349 transitions, 747 flow. Second operand has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 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) [2024-11-13 14:05:33,418 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:33,418 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 515 [2024-11-13 14:05:33,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:34,913 INFO L124 PetriNetUnfolderBase]: 1546/4342 cut-off events. [2024-11-13 14:05:34,913 INFO L125 PetriNetUnfolderBase]: For 138/140 co-relation queries the response was YES. [2024-11-13 14:05:34,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7413 conditions, 4342 events. 1546/4342 cut-off events. For 138/140 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33545 event pairs, 1240 based on Foata normal form. 2/3544 useless extension candidates. Maximal degree in co-relation 7365. Up to 2888 conditions per place. [2024-11-13 14:05:34,941 INFO L140 encePairwiseOnDemand]: 508/515 looper letters, 182 selfloop transitions, 6 changer transitions 0/347 dead transitions. [2024-11-13 14:05:34,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 347 transitions, 1119 flow [2024-11-13 14:05:34,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:05:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 14:05:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1031 transitions. [2024-11-13 14:05:34,946 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4003883495145631 [2024-11-13 14:05:34,946 INFO L175 Difference]: Start difference. First operand has 327 places, 349 transitions, 747 flow. Second operand 5 states and 1031 transitions. [2024-11-13 14:05:34,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 347 transitions, 1119 flow [2024-11-13 14:05:34,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 347 transitions, 1109 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 14:05:34,956 INFO L231 Difference]: Finished difference. Result has 326 places, 347 transitions, 745 flow [2024-11-13 14:05:34,956 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=745, PETRI_PLACES=326, PETRI_TRANSITIONS=347} [2024-11-13 14:05:34,958 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -34 predicate places. [2024-11-13 14:05:34,958 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 347 transitions, 745 flow [2024-11-13 14:05:34,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 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) [2024-11-13 14:05:34,959 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:34,960 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:34,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 14:05:34,960 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:34,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:34,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1032549209, now seen corresponding path program 1 times [2024-11-13 14:05:34,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:34,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658168122] [2024-11-13 14:05:34,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:34,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:35,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:35,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:35,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658168122] [2024-11-13 14:05:35,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658168122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:05:35,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827678394] [2024-11-13 14:05:35,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:35,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:05:35,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:05:35,154 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:05:35,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:05:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:35,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 14:05:35,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:05:35,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:35,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:05:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 14:05:35,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827678394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:05:35,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:05:35,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2024-11-13 14:05:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637123850] [2024-11-13 14:05:35,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:05:35,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:05:35,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:35,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:05:35,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:05:35,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 515 [2024-11-13 14:05:35,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 347 transitions, 745 flow. Second operand has 9 states, 9 states have (on average 176.44444444444446) internal successors, (1588), 9 states have internal predecessors, (1588), 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) [2024-11-13 14:05:35,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:35,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 515 [2024-11-13 14:05:35,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:37,538 INFO L124 PetriNetUnfolderBase]: 1549/4368 cut-off events. [2024-11-13 14:05:37,539 INFO L125 PetriNetUnfolderBase]: For 19/21 co-relation queries the response was YES. [2024-11-13 14:05:37,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7334 conditions, 4368 events. 1549/4368 cut-off events. For 19/21 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33399 event pairs, 1240 based on Foata normal form. 2/3570 useless extension candidates. Maximal degree in co-relation 7286. Up to 2877 conditions per place. [2024-11-13 14:05:37,567 INFO L140 encePairwiseOnDemand]: 509/515 looper letters, 206 selfloop transitions, 8 changer transitions 0/374 dead transitions. [2024-11-13 14:05:37,567 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 374 transitions, 1247 flow [2024-11-13 14:05:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:05:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-13 14:05:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1420 transitions. [2024-11-13 14:05:37,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.39389736477115117 [2024-11-13 14:05:37,573 INFO L175 Difference]: Start difference. First operand has 326 places, 347 transitions, 745 flow. Second operand 7 states and 1420 transitions. [2024-11-13 14:05:37,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 374 transitions, 1247 flow [2024-11-13 14:05:37,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 374 transitions, 1219 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 14:05:37,581 INFO L231 Difference]: Finished difference. Result has 331 places, 349 transitions, 771 flow [2024-11-13 14:05:37,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=771, PETRI_PLACES=331, PETRI_TRANSITIONS=349} [2024-11-13 14:05:37,582 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -29 predicate places. [2024-11-13 14:05:37,583 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 349 transitions, 771 flow [2024-11-13 14:05:37,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 176.44444444444446) internal successors, (1588), 9 states have internal predecessors, (1588), 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) [2024-11-13 14:05:37,584 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:37,584 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:37,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:05:37,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 14:05:37,785 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:37,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:37,786 INFO L85 PathProgramCache]: Analyzing trace with hash -849934402, now seen corresponding path program 1 times [2024-11-13 14:05:37,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:37,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536632289] [2024-11-13 14:05:37,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:37,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:38,069 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:05:38,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:38,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536632289] [2024-11-13 14:05:38,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536632289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:38,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:38,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:05:38,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932438000] [2024-11-13 14:05:38,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:38,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:38,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:38,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:38,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:38,142 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 515 [2024-11-13 14:05:38,143 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 349 transitions, 771 flow. Second operand has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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) [2024-11-13 14:05:38,143 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:38,143 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 515 [2024-11-13 14:05:38,143 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:39,577 INFO L124 PetriNetUnfolderBase]: 1841/5017 cut-off events. [2024-11-13 14:05:39,577 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-13 14:05:39,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8533 conditions, 5017 events. 1841/5017 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 39250 event pairs, 1240 based on Foata normal form. 0/4161 useless extension candidates. Maximal degree in co-relation 8480. Up to 2923 conditions per place. [2024-11-13 14:05:39,610 INFO L140 encePairwiseOnDemand]: 511/515 looper letters, 335 selfloop transitions, 2 changer transitions 0/493 dead transitions. [2024-11-13 14:05:39,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 493 transitions, 1733 flow [2024-11-13 14:05:39,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:39,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 837 transitions. [2024-11-13 14:05:39,614 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.541747572815534 [2024-11-13 14:05:39,614 INFO L175 Difference]: Start difference. First operand has 331 places, 349 transitions, 771 flow. Second operand 3 states and 837 transitions. [2024-11-13 14:05:39,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 493 transitions, 1733 flow [2024-11-13 14:05:39,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 493 transitions, 1715 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-11-13 14:05:39,625 INFO L231 Difference]: Finished difference. Result has 326 places, 347 transitions, 753 flow [2024-11-13 14:05:39,625 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=749, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=753, PETRI_PLACES=326, PETRI_TRANSITIONS=347} [2024-11-13 14:05:39,626 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -34 predicate places. [2024-11-13 14:05:39,626 INFO L471 AbstractCegarLoop]: Abstraction has has 326 places, 347 transitions, 753 flow [2024-11-13 14:05:39,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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) [2024-11-13 14:05:39,627 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:39,627 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:39,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 14:05:39,628 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:39,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:39,628 INFO L85 PathProgramCache]: Analyzing trace with hash -849934401, now seen corresponding path program 2 times [2024-11-13 14:05:39,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:39,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820701603] [2024-11-13 14:05:39,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:39,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-13 14:05:40,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:40,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820701603] [2024-11-13 14:05:40,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820701603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:40,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:40,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:05:40,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939265775] [2024-11-13 14:05:40,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:40,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:05:40,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:40,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:05:40,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:05:40,227 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 515 [2024-11-13 14:05:40,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 326 places, 347 transitions, 753 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 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) [2024-11-13 14:05:40,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:40,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 515 [2024-11-13 14:05:40,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:42,066 INFO L124 PetriNetUnfolderBase]: 1654/5609 cut-off events. [2024-11-13 14:05:42,067 INFO L125 PetriNetUnfolderBase]: For 143/143 co-relation queries the response was YES. [2024-11-13 14:05:42,077 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8967 conditions, 5609 events. 1654/5609 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 49530 event pairs, 248 based on Foata normal form. 0/4796 useless extension candidates. Maximal degree in co-relation 8918. Up to 1956 conditions per place. [2024-11-13 14:05:42,090 INFO L140 encePairwiseOnDemand]: 508/515 looper letters, 478 selfloop transitions, 5 changer transitions 0/639 dead transitions. [2024-11-13 14:05:42,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 639 transitions, 2303 flow [2024-11-13 14:05:42,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:05:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 14:05:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1159 transitions. [2024-11-13 14:05:42,095 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5626213592233009 [2024-11-13 14:05:42,095 INFO L175 Difference]: Start difference. First operand has 326 places, 347 transitions, 753 flow. Second operand 4 states and 1159 transitions. [2024-11-13 14:05:42,095 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 639 transitions, 2303 flow [2024-11-13 14:05:42,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 639 transitions, 2299 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:42,116 INFO L231 Difference]: Finished difference. Result has 328 places, 347 transitions, 771 flow [2024-11-13 14:05:42,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=747, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=771, PETRI_PLACES=328, PETRI_TRANSITIONS=347} [2024-11-13 14:05:42,117 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -32 predicate places. [2024-11-13 14:05:42,117 INFO L471 AbstractCegarLoop]: Abstraction has has 328 places, 347 transitions, 771 flow [2024-11-13 14:05:42,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 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) [2024-11-13 14:05:42,118 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:42,118 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:42,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 14:05:42,119 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:42,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:42,119 INFO L85 PathProgramCache]: Analyzing trace with hash -222698630, now seen corresponding path program 1 times [2024-11-13 14:05:42,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:42,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288776129] [2024-11-13 14:05:42,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:42,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 38 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 14:05:42,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:42,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288776129] [2024-11-13 14:05:42,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288776129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:05:42,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631777684] [2024-11-13 14:05:42,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:42,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:05:42,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:05:42,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:05:42,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:05:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:43,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:05:43,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:05:43,518 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 38 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 14:05:43,522 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:05:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 38 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 14:05:43,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [631777684] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:05:43,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:05:43,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 17 [2024-11-13 14:05:43,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381858892] [2024-11-13 14:05:43,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:05:43,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 14:05:43,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:43,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 14:05:43,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:05:48,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 14:05:48,350 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 515 [2024-11-13 14:05:48,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 347 transitions, 771 flow. Second operand has 17 states, 17 states have (on average 172.76470588235293) internal successors, (2937), 17 states have internal predecessors, (2937), 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) [2024-11-13 14:05:48,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:48,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 515 [2024-11-13 14:05:48,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:51,516 INFO L124 PetriNetUnfolderBase]: 1550/4392 cut-off events. [2024-11-13 14:05:51,516 INFO L125 PetriNetUnfolderBase]: For 1010/1012 co-relation queries the response was YES. [2024-11-13 14:05:51,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8276 conditions, 4392 events. 1550/4392 cut-off events. For 1010/1012 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33618 event pairs, 1240 based on Foata normal form. 2/3722 useless extension candidates. Maximal degree in co-relation 8225. Up to 2884 conditions per place. [2024-11-13 14:05:51,537 INFO L140 encePairwiseOnDemand]: 504/515 looper letters, 220 selfloop transitions, 27 changer transitions 0/401 dead transitions. [2024-11-13 14:05:51,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 401 transitions, 1391 flow [2024-11-13 14:05:51,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:05:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-13 14:05:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 3288 transitions. [2024-11-13 14:05:51,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3546925566343042 [2024-11-13 14:05:51,547 INFO L175 Difference]: Start difference. First operand has 328 places, 347 transitions, 771 flow. Second operand 18 states and 3288 transitions. [2024-11-13 14:05:51,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 401 transitions, 1391 flow [2024-11-13 14:05:51,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 401 transitions, 1386 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 14:05:51,556 INFO L231 Difference]: Finished difference. Result has 353 places, 371 transitions, 949 flow [2024-11-13 14:05:51,557 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=326, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=949, PETRI_PLACES=353, PETRI_TRANSITIONS=371} [2024-11-13 14:05:51,557 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -7 predicate places. [2024-11-13 14:05:51,557 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 371 transitions, 949 flow [2024-11-13 14:05:51,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 172.76470588235293) internal successors, (2937), 17 states have internal predecessors, (2937), 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) [2024-11-13 14:05:51,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:51,559 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:51,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:05:51,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fe0dc-20e4-479c-b40e-7a49d289b344/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:05:51,760 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:51,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:51,760 INFO L85 PathProgramCache]: Analyzing trace with hash 158074365, now seen corresponding path program 1 times [2024-11-13 14:05:51,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:51,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678881082] [2024-11-13 14:05:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:52,341 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 14:05:52,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:52,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678881082] [2024-11-13 14:05:52,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678881082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:52,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:52,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:05:52,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15117517] [2024-11-13 14:05:52,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:52,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:52,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:52,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:52,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:52,353 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 515 [2024-11-13 14:05:52,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 371 transitions, 949 flow. Second operand has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2024-11-13 14:05:52,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:52,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 515 [2024-11-13 14:05:52,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 14:05:53,773 INFO L124 PetriNetUnfolderBase]: 1542/4364 cut-off events. [2024-11-13 14:05:53,774 INFO L125 PetriNetUnfolderBase]: For 814/816 co-relation queries the response was YES. [2024-11-13 14:05:53,788 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8037 conditions, 4364 events. 1542/4364 cut-off events. For 814/816 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 33466 event pairs, 1240 based on Foata normal form. 4/3704 useless extension candidates. Maximal degree in co-relation 7976. Up to 2922 conditions per place. [2024-11-13 14:05:53,800 INFO L140 encePairwiseOnDemand]: 512/515 looper letters, 201 selfloop transitions, 6 changer transitions 0/361 dead transitions. [2024-11-13 14:05:53,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 361 transitions, 1319 flow [2024-11-13 14:05:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:05:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 14:05:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2024-11-13 14:05:53,804 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44854368932038835 [2024-11-13 14:05:53,804 INFO L175 Difference]: Start difference. First operand has 353 places, 371 transitions, 949 flow. Second operand 3 states and 693 transitions. [2024-11-13 14:05:53,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 361 transitions, 1319 flow [2024-11-13 14:05:53,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 361 transitions, 1296 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-11-13 14:05:53,814 INFO L231 Difference]: Finished difference. Result has 346 places, 361 transitions, 894 flow [2024-11-13 14:05:53,815 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=515, PETRI_DIFFERENCE_MINUEND_FLOW=882, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=355, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=894, PETRI_PLACES=346, PETRI_TRANSITIONS=361} [2024-11-13 14:05:53,816 INFO L277 CegarLoopForPetriNet]: 360 programPoint places, -14 predicate places. [2024-11-13 14:05:53,816 INFO L471 AbstractCegarLoop]: Abstraction has has 346 places, 361 transitions, 894 flow [2024-11-13 14:05:53,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.0) internal successors, (546), 3 states have internal predecessors, (546), 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) [2024-11-13 14:05:53,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:53,817 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:53,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:05:53,818 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-13 14:05:53,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:53,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1273258355, now seen corresponding path program 1 times [2024-11-13 14:05:53,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:53,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520720911] [2024-11-13 14:05:53,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:53,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:05:54,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:05:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:05:54,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:05:54,497 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:05:54,500 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (153 of 154 remaining) [2024-11-13 14:05:54,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (152 of 154 remaining) [2024-11-13 14:05:54,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (151 of 154 remaining) [2024-11-13 14:05:54,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (150 of 154 remaining) [2024-11-13 14:05:54,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (149 of 154 remaining) [2024-11-13 14:05:54,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (148 of 154 remaining) [2024-11-13 14:05:54,503 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (147 of 154 remaining) [2024-11-13 14:05:54,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (146 of 154 remaining) [2024-11-13 14:05:54,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONMEMORY_LEAK (145 of 154 remaining) [2024-11-13 14:05:54,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 154 remaining) [2024-11-13 14:05:54,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 154 remaining) [2024-11-13 14:05:54,504 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK (142 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_LEAK (141 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONMEMORY_LEAK (138 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (137 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (136 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONMEMORY_LEAK (135 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONMEMORY_LEAK (134 of 154 remaining) [2024-11-13 14:05:54,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 154 remaining) [2024-11-13 14:05:54,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 154 remaining) [2024-11-13 14:05:54,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 154 remaining) [2024-11-13 14:05:54,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 154 remaining) [2024-11-13 14:05:54,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 154 remaining) [2024-11-13 14:05:54,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 154 remaining) [2024-11-13 14:05:54,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONMEMORY_LEAK (127 of 154 remaining) [2024-11-13 14:05:54,506 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONMEMORY_LEAK (124 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONMEMORY_LEAK (119 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 154 remaining) [2024-11-13 14:05:54,507 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40ASSERT_VIOLATIONMEMORY_LEAK (110 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONMEMORY_LEAK (107 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONMEMORY_LEAK (104 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 154 remaining) [2024-11-13 14:05:54,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONMEMORY_LEAK (95 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47ASSERT_VIOLATIONMEMORY_LEAK (90 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51ASSERT_VIOLATIONMEMORY_LEAK (87 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50ASSERT_VIOLATIONMEMORY_LEAK (86 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54ASSERT_VIOLATIONMEMORY_LEAK (81 of 154 remaining) [2024-11-13 14:05:54,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 154 remaining) [2024-11-13 14:05:54,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 154 remaining) [2024-11-13 14:05:54,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 154 remaining) [2024-11-13 14:05:54,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 154 remaining) [2024-11-13 14:05:54,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 154 remaining) [2024-11-13 14:05:54,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 154 remaining) [2024-11-13 14:05:54,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 154 remaining) [2024-11-13 14:05:54,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 154 remaining) [2024-11-13 14:05:54,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONMEMORY_LEAK (62 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1ASSERT_VIOLATIONMEMORY_LEAK (59 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 154 remaining) [2024-11-13 14:05:54,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37ASSERT_VIOLATIONMEMORY_LEAK (54 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 154 remaining) [2024-11-13 14:05:54,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 154 remaining) [2024-11-13 14:05:54,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 154 remaining) [2024-11-13 14:05:54,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 154 remaining) [2024-11-13 14:05:54,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 154 remaining) [2024-11-13 14:05:54,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40ASSERT_VIOLATIONMEMORY_LEAK (45 of 154 remaining) [2024-11-13 14:05:54,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 154 remaining) [2024-11-13 14:05:54,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 154 remaining) [2024-11-13 14:05:54,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12ASSERT_VIOLATIONMEMORY_LEAK (42 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONMEMORY_LEAK (39 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 154 remaining) [2024-11-13 14:05:54,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONMEMORY_LEAK (30 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 154 remaining) [2024-11-13 14:05:54,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 154 remaining) [2024-11-13 14:05:54,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47ASSERT_VIOLATIONMEMORY_LEAK (25 of 154 remaining) [2024-11-13 14:05:54,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 154 remaining) [2024-11-13 14:05:54,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 154 remaining) [2024-11-13 14:05:54,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51ASSERT_VIOLATIONMEMORY_LEAK (22 of 154 remaining) [2024-11-13 14:05:54,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50ASSERT_VIOLATIONMEMORY_LEAK (21 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54ASSERT_VIOLATIONMEMORY_LEAK (16 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 154 remaining) [2024-11-13 14:05:54,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 154 remaining) [2024-11-13 14:05:54,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 154 remaining) [2024-11-13 14:05:54,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 154 remaining) [2024-11-13 14:05:54,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 154 remaining) [2024-11-13 14:05:54,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 154 remaining) [2024-11-13 14:05:54,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 154 remaining) [2024-11-13 14:05:54,522 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 154 remaining) [2024-11-13 14:05:54,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 14:05:54,522 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:05:54,526 WARN L247 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-13 14:05:54,526 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-13 14:05:54,798 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-13 14:05:54,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 621 places, 892 transitions, 1800 flow [2024-11-13 14:05:55,248 INFO L124 PetriNetUnfolderBase]: 311/1013 cut-off events. [2024-11-13 14:05:55,248 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-13 14:05:55,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1025 conditions, 1013 events. 311/1013 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 5224 event pairs, 0 based on Foata normal form. 0/526 useless extension candidates. Maximal degree in co-relation 826. Up to 12 conditions per place. [2024-11-13 14:05:55,273 INFO L82 GeneralOperation]: Start removeDead. Operand has 621 places, 892 transitions, 1800 flow [2024-11-13 14:05:55,409 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 621 places, 892 transitions, 1800 flow [2024-11-13 14:05:55,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:05:55,410 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;@3a7feb92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:05:55,411 INFO L334 AbstractCegarLoop]: Starting to check reachability of 219 error locations. [2024-11-13 14:05:55,413 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 14:05:55,413 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-11-13 14:05:55,413 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 14:05:55,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 14:05:55,413 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-13 14:05:55,413 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 216 more)] === [2024-11-13 14:05:55,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:05:55,421 INFO L85 PathProgramCache]: Analyzing trace with hash 127047, now seen corresponding path program 1 times [2024-11-13 14:05:55,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:05:55,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927188739] [2024-11-13 14:05:55,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:05:55,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:05:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:05:55,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:05:55,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:05:55,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927188739] [2024-11-13 14:05:55,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927188739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:05:55,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:05:55,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 14:05:55,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203434201] [2024-11-13 14:05:55,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:05:55,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:05:55,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:05:55,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:05:55,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:05:55,656 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 294 out of 892 [2024-11-13 14:05:55,657 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 621 places, 892 transitions, 1800 flow. Second operand has 3 states, 3 states have (on average 294.6666666666667) internal successors, (884), 3 states have internal predecessors, (884), 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) [2024-11-13 14:05:55,657 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 14:05:55,657 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 294 of 892 [2024-11-13 14:05:55,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand