./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/libvsync/rec_mcslock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/rec_mcslock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 10:58:58,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 10:58:58,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-09 10:58:58,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 10:58:58,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 10:58:58,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 10:58:58,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 10:58:58,678 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 10:58:58,679 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 10:58:58,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 10:58:58,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 10:58:58,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 10:58:58,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 10:58:58,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 10:58:58,685 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 10:58:58,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 10:58:58,686 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 10:58:58,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 10:58:58,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 10:58:58,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 10:58:58,687 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-09 10:58:58,689 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-09 10:58:58,690 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-09 10:58:58,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 10:58:58,690 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 10:58:58,690 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 10:58:58,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 10:58:58,691 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 10:58:58,691 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 10:58:58,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 10:58:58,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 10:58:58,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 10:58:58,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 10:58:58,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:58:58,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 10:58:58,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 10:58:58,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 10:58:58,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 10:58:58,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 10:58:58,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 10:58:58,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 10:58:58,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 10:58:58,696 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f4ecf17cdd703d57fdf977621016996b601a0e10c2b1b5ffeae48ee5db4f63 [2024-11-09 10:58:58,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 10:58:58,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 10:58:58,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 10:58:58,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 10:58:58,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 10:58:58,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/rec_mcslock.i [2024-11-09 10:59:00,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 10:59:00,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 10:59:00,860 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/rec_mcslock.i [2024-11-09 10:59:00,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e856e8c7/b4e0ac0f6dce423ab5e36bb44aa7779f/FLAG99569d889 [2024-11-09 10:59:01,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e856e8c7/b4e0ac0f6dce423ab5e36bb44aa7779f [2024-11-09 10:59:01,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 10:59:01,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 10:59:01,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 10:59:01,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 10:59:01,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 10:59:01,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:59:01" (1/1) ... [2024-11-09 10:59:01,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c271d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:01, skipping insertion in model container [2024-11-09 10:59:01,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:59:01" (1/1) ... [2024-11-09 10:59:01,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 10:59:02,404 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,412 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,413 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,420 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,420 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,545 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,549 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,552 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,553 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-09 10:59:02,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:59:02,822 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 10:59:02,964 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-09 10:59:02,966 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-09 10:59:02,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-09 10:59:02,971 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-09 10:59:02,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-09 10:59:02,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-09 10:59:02,974 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-09 10:59:02,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-09 10:59:02,979 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-09 10:59:02,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-09 10:59:02,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-09 10:59:02,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-09 10:59:02,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-09 10:59:02,981 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-09 10:59:02,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-09 10:59:02,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-09 10:59:02,982 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-09 10:59:02,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-09 10:59:02,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-09 10:59:02,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-09 10:59:02,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-09 10:59:02,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-09 10:59:02,988 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-09 10:59:02,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-09 10:59:02,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-09 10:59:02,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-09 10:59:02,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-09 10:59:02,991 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-09 10:59:02,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-09 10:59:02,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-09 10:59:02,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-09 10:59:02,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-09 10:59:02,997 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-09 10:59:02,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-09 10:59:02,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-09 10:59:02,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-09 10:59:02,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-09 10:59:02,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-09 10:59:02,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-09 10:59:03,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-09 10:59:03,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-09 10:59:03,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-09 10:59:03,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-09 10:59:03,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-09 10:59:03,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-09 10:59:03,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-09 10:59:03,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-09 10:59:03,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-09 10:59:03,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-09 10:59:03,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-09 10:59:03,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-09 10:59:03,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-09 10:59:03,016 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-09 10:59:03,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-09 10:59:03,017 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-09 10:59:03,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-09 10:59:03,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-09 10:59:03,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-09 10:59:03,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-09 10:59:03,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-09 10:59:03,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-09 10:59:03,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-09 10:59:03,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-09 10:59:03,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-09 10:59:03,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-09 10:59:03,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-09 10:59:03,032 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-09 10:59:03,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-09 10:59:03,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-09 10:59:03,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-09 10:59:03,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-09 10:59:03,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-09 10:59:03,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-09 10:59:03,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-09 10:59:03,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-09 10:59:03,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-09 10:59:03,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-09 10:59:03,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-09 10:59:03,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-09 10:59:03,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-09 10:59:03,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-09 10:59:03,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-09 10:59:03,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-09 10:59:03,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-09 10:59:03,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-09 10:59:03,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-09 10:59:03,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-09 10:59:03,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-09 10:59:03,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-09 10:59:03,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-09 10:59:03,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-09 10:59:03,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-09 10:59:03,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-09 10:59:03,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-09 10:59:03,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-09 10:59:03,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-09 10:59:03,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-09 10:59:03,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-09 10:59:03,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-09 10:59:03,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-09 10:59:03,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 10:59:03,502 INFO L204 MainTranslator]: Completed translation [2024-11-09 10:59:03,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03 WrapperNode [2024-11-09 10:59:03,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 10:59:03,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 10:59:03,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 10:59:03,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 10:59:03,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,734 INFO L138 Inliner]: procedures = 924, calls = 955, calls flagged for inlining = 838, calls inlined = 56, statements flattened = 513 [2024-11-09 10:59:03,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 10:59:03,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 10:59:03,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 10:59:03,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 10:59:03,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,825 INFO L175 MemorySlicer]: Split 33 memory accesses to 3 slices as follows [2, 29, 2]. 88 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9, 0]. The 11 writes are split as follows [0, 10, 1]. [2024-11-09 10:59:03,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 10:59:03,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 10:59:03,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 10:59:03,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 10:59:03,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (1/1) ... [2024-11-09 10:59:03,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 10:59:03,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 10:59:03,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 10:59:03,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 10:59:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 10:59:04,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 10:59:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 10:59:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 10:59:04,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 10:59:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 10:59:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 10:59:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 10:59:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 10:59:04,005 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-09 10:59:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-09 10:59:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 10:59:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 10:59:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 10:59:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 10:59:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 10:59:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 10:59:04,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 10:59:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 10:59:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 10:59:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 10:59:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 10:59:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 10:59:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 10:59:04,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 10:59:04,010 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 10:59:04,227 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 10:59:04,229 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 10:59:05,005 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 10:59:05,005 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 10:59:05,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 10:59:05,387 INFO L316 CfgBuilder]: Removed 71 assume(true) statements. [2024-11-09 10:59:05,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:59:05 BoogieIcfgContainer [2024-11-09 10:59:05,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 10:59:05,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 10:59:05,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 10:59:05,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 10:59:05,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:59:01" (1/3) ... [2024-11-09 10:59:05,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6024f6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:59:05, skipping insertion in model container [2024-11-09 10:59:05,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:59:03" (2/3) ... [2024-11-09 10:59:05,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6024f6e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:59:05, skipping insertion in model container [2024-11-09 10:59:05,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 10:59:05" (3/3) ... [2024-11-09 10:59:05,400 INFO L112 eAbstractionObserver]: Analyzing ICFG rec_mcslock.i [2024-11-09 10:59:05,418 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 10:59:05,418 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2024-11-09 10:59:05,419 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 10:59:05,595 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-09 10:59:05,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 189 places, 260 transitions, 527 flow [2024-11-09 10:59:05,733 INFO L124 PetriNetUnfolderBase]: 87/304 cut-off events. [2024-11-09 10:59:05,734 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 10:59:05,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 304 events. 87/304 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1081 event pairs, 0 based on Foata normal form. 0/159 useless extension candidates. Maximal degree in co-relation 244. Up to 6 conditions per place. [2024-11-09 10:59:05,747 INFO L82 GeneralOperation]: Start removeDead. Operand has 189 places, 260 transitions, 527 flow [2024-11-09 10:59:05,757 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 189 places, 260 transitions, 527 flow [2024-11-09 10:59:05,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:59:05,774 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;@57d09281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:59:05,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2024-11-09 10:59:05,778 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:59:05,778 INFO L124 PetriNetUnfolderBase]: 5/15 cut-off events. [2024-11-09 10:59:05,778 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:59:05,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:59:05,779 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 10:59:05,779 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 87 more)] === [2024-11-09 10:59:05,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:59:05,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1581194825, now seen corresponding path program 1 times [2024-11-09 10:59:05,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:59:05,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370812805] [2024-11-09 10:59:05,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:59:05,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:59:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:59:06,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:59:06,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:59:06,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370812805] [2024-11-09 10:59:06,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370812805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:59:06,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:59:06,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 10:59:06,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926644258] [2024-11-09 10:59:06,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:59:06,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 10:59:06,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:59:06,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 10:59:06,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 10:59:06,085 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 260 [2024-11-09 10:59:06,087 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 260 transitions, 527 flow. Second operand has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 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) [2024-11-09 10:59:06,088 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:59:06,088 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 260 [2024-11-09 10:59:06,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:59:06,717 INFO L124 PetriNetUnfolderBase]: 1073/2690 cut-off events. [2024-11-09 10:59:06,717 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-09 10:59:06,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4827 conditions, 2690 events. 1073/2690 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 19139 event pairs, 940 based on Foata normal form. 1298/3394 useless extension candidates. Maximal degree in co-relation 4763. Up to 2132 conditions per place. [2024-11-09 10:59:06,742 INFO L140 encePairwiseOnDemand]: 195/260 looper letters, 122 selfloop transitions, 0 changer transitions 0/192 dead transitions. [2024-11-09 10:59:06,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 192 transitions, 635 flow [2024-11-09 10:59:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 10:59:06,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-09 10:59:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 327 transitions. [2024-11-09 10:59:06,759 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6288461538461538 [2024-11-09 10:59:06,761 INFO L175 Difference]: Start difference. First operand has 189 places, 260 transitions, 527 flow. Second operand 2 states and 327 transitions. [2024-11-09 10:59:06,762 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 192 transitions, 635 flow [2024-11-09 10:59:06,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 192 transitions, 635 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 10:59:06,772 INFO L231 Difference]: Finished difference. Result has 183 places, 192 transitions, 391 flow [2024-11-09 10:59:06,775 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=391, PETRI_PLACES=183, PETRI_TRANSITIONS=192} [2024-11-09 10:59:06,781 INFO L277 CegarLoopForPetriNet]: 189 programPoint places, -6 predicate places. [2024-11-09 10:59:06,781 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 192 transitions, 391 flow [2024-11-09 10:59:06,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 72.0) internal successors, (144), 2 states have internal predecessors, (144), 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) [2024-11-09 10:59:06,782 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:59:06,782 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:59:06,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 10:59:06,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 87 more)] === [2024-11-09 10:59:06,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:59:06,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1119165093, now seen corresponding path program 1 times [2024-11-09 10:59:06,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:59:06,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605274392] [2024-11-09 10:59:06,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:59:06,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:59:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:59:06,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:59:06,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:59:06,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605274392] [2024-11-09 10:59:06,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605274392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:59:06,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:59:06,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 10:59:06,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281020507] [2024-11-09 10:59:06,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:59:06,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 10:59:06,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:59:06,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 10:59:06,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 10:59:06,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 260 [2024-11-09 10:59:06,983 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 192 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2024-11-09 10:59:06,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:59:06,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 260 [2024-11-09 10:59:06,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:59:07,758 INFO L124 PetriNetUnfolderBase]: 1287/3175 cut-off events. [2024-11-09 10:59:07,758 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-09 10:59:07,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5723 conditions, 3175 events. 1287/3175 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 23309 event pairs, 942 based on Foata normal form. 0/2531 useless extension candidates. Maximal degree in co-relation 5719. Up to 2131 conditions per place. [2024-11-09 10:59:07,776 INFO L140 encePairwiseOnDemand]: 256/260 looper letters, 228 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2024-11-09 10:59:07,777 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 296 transitions, 1059 flow [2024-11-09 10:59:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 10:59:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 10:59:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 430 transitions. [2024-11-09 10:59:07,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5512820512820513 [2024-11-09 10:59:07,782 INFO L175 Difference]: Start difference. First operand has 183 places, 192 transitions, 391 flow. Second operand 3 states and 430 transitions. [2024-11-09 10:59:07,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 296 transitions, 1059 flow [2024-11-09 10:59:07,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 296 transitions, 1059 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-09 10:59:07,791 INFO L231 Difference]: Finished difference. Result has 183 places, 190 transitions, 391 flow [2024-11-09 10:59:07,792 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=391, PETRI_PLACES=183, PETRI_TRANSITIONS=190} [2024-11-09 10:59:07,793 INFO L277 CegarLoopForPetriNet]: 189 programPoint places, -6 predicate places. [2024-11-09 10:59:07,793 INFO L471 AbstractCegarLoop]: Abstraction has has 183 places, 190 transitions, 391 flow [2024-11-09 10:59:07,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.66666666666667) internal successors, (203), 3 states have internal predecessors, (203), 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) [2024-11-09 10:59:07,793 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:59:07,793 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:59:07,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 10:59:07,794 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 87 more)] === [2024-11-09 10:59:07,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:59:07,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1119165092, now seen corresponding path program 1 times [2024-11-09 10:59:07,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:59:07,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390756103] [2024-11-09 10:59:07,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:59:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:59:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:59:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:59:08,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:59:08,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390756103] [2024-11-09 10:59:08,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390756103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:59:08,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:59:08,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 10:59:08,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144533978] [2024-11-09 10:59:08,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:59:08,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 10:59:08,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:59:08,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 10:59:08,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 10:59:08,047 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 260 [2024-11-09 10:59:08,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 190 transitions, 391 flow. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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) [2024-11-09 10:59:08,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:59:08,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 260 [2024-11-09 10:59:08,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 10:59:08,879 INFO L124 PetriNetUnfolderBase]: 1196/4035 cut-off events. [2024-11-09 10:59:08,879 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-11-09 10:59:08,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6508 conditions, 4035 events. 1196/4035 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 35798 event pairs, 200 based on Foata normal form. 0/3367 useless extension candidates. Maximal degree in co-relation 6503. Up to 1440 conditions per place. [2024-11-09 10:59:08,904 INFO L140 encePairwiseOnDemand]: 253/260 looper letters, 331 selfloop transitions, 5 changer transitions 0/402 dead transitions. [2024-11-09 10:59:08,904 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 402 transitions, 1487 flow [2024-11-09 10:59:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 10:59:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 10:59:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 610 transitions. [2024-11-09 10:59:08,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5865384615384616 [2024-11-09 10:59:08,907 INFO L175 Difference]: Start difference. First operand has 183 places, 190 transitions, 391 flow. Second operand 4 states and 610 transitions. [2024-11-09 10:59:08,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 402 transitions, 1487 flow [2024-11-09 10:59:08,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 402 transitions, 1483 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 10:59:08,928 INFO L231 Difference]: Finished difference. Result has 185 places, 190 transitions, 409 flow [2024-11-09 10:59:08,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=260, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=184, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=409, PETRI_PLACES=185, PETRI_TRANSITIONS=190} [2024-11-09 10:59:08,929 INFO L277 CegarLoopForPetriNet]: 189 programPoint places, -4 predicate places. [2024-11-09 10:59:08,930 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 190 transitions, 409 flow [2024-11-09 10:59:08,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 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) [2024-11-09 10:59:08,930 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:59:08,930 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 10:59:08,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 10:59:08,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 87 more)] === [2024-11-09 10:59:08,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:59:08,932 INFO L85 PathProgramCache]: Analyzing trace with hash -756849237, now seen corresponding path program 1 times [2024-11-09 10:59:08,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:59:08,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19351670] [2024-11-09 10:59:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:59:08,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:59:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 10:59:08,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 10:59:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 10:59:09,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-09 10:59:09,038 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 10:59:09,039 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (89 of 90 remaining) [2024-11-09 10:59:09,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 90 remaining) [2024-11-09 10:59:09,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 90 remaining) [2024-11-09 10:59:09,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 90 remaining) [2024-11-09 10:59:09,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 90 remaining) [2024-11-09 10:59:09,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (84 of 90 remaining) [2024-11-09 10:59:09,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (83 of 90 remaining) [2024-11-09 10:59:09,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (82 of 90 remaining) [2024-11-09 10:59:09,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 90 remaining) [2024-11-09 10:59:09,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 90 remaining) [2024-11-09 10:59:09,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONMEMORY_LEAK (79 of 90 remaining) [2024-11-09 10:59:09,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 90 remaining) [2024-11-09 10:59:09,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 90 remaining) [2024-11-09 10:59:09,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 90 remaining) [2024-11-09 10:59:09,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 90 remaining) [2024-11-09 10:59:09,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 90 remaining) [2024-11-09 10:59:09,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 90 remaining) [2024-11-09 10:59:09,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 90 remaining) [2024-11-09 10:59:09,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 90 remaining) [2024-11-09 10:59:09,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 90 remaining) [2024-11-09 10:59:09,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 90 remaining) [2024-11-09 10:59:09,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 90 remaining) [2024-11-09 10:59:09,044 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 90 remaining) [2024-11-09 10:59:09,045 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 90 remaining) [2024-11-09 10:59:09,046 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0ASSERT_VIOLATIONMEMORY_LEAK (38 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 90 remaining) [2024-11-09 10:59:09,047 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 90 remaining) [2024-11-09 10:59:09,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 90 remaining) [2024-11-09 10:59:09,051 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 90 remaining) [2024-11-09 10:59:09,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 90 remaining) [2024-11-09 10:59:09,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 90 remaining) [2024-11-09 10:59:09,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 90 remaining) [2024-11-09 10:59:09,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 90 remaining) [2024-11-09 10:59:09,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 90 remaining) [2024-11-09 10:59:09,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 90 remaining) [2024-11-09 10:59:09,052 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 90 remaining) [2024-11-09 10:59:09,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 90 remaining) [2024-11-09 10:59:09,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 90 remaining) [2024-11-09 10:59:09,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 90 remaining) [2024-11-09 10:59:09,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 90 remaining) [2024-11-09 10:59:09,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 90 remaining) [2024-11-09 10:59:09,053 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 90 remaining) [2024-11-09 10:59:09,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 90 remaining) [2024-11-09 10:59:09,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 90 remaining) [2024-11-09 10:59:09,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 90 remaining) [2024-11-09 10:59:09,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 90 remaining) [2024-11-09 10:59:09,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 90 remaining) [2024-11-09 10:59:09,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 90 remaining) [2024-11-09 10:59:09,054 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 90 remaining) [2024-11-09 10:59:09,055 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 90 remaining) [2024-11-09 10:59:09,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 90 remaining) [2024-11-09 10:59:09,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 90 remaining) [2024-11-09 10:59:09,056 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 90 remaining) [2024-11-09 10:59:09,059 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 90 remaining) [2024-11-09 10:59:09,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 10:59:09,060 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 10:59:09,063 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-09 10:59:09,064 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-09 10:59:09,251 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 10:59:09,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 336 places, 461 transitions, 938 flow [2024-11-09 10:59:09,342 INFO L124 PetriNetUnfolderBase]: 165/582 cut-off events. [2024-11-09 10:59:09,342 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-09 10:59:09,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 594 conditions, 582 events. 165/582 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2842 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 474. Up to 12 conditions per place. [2024-11-09 10:59:09,358 INFO L82 GeneralOperation]: Start removeDead. Operand has 336 places, 461 transitions, 938 flow [2024-11-09 10:59:09,387 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 336 places, 461 transitions, 938 flow [2024-11-09 10:59:09,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 10:59:09,389 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;@57d09281, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 10:59:09,389 INFO L334 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2024-11-09 10:59:09,395 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 10:59:09,395 INFO L124 PetriNetUnfolderBase]: 5/15 cut-off events. [2024-11-09 10:59:09,395 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 10:59:09,395 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 10:59:09,395 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 10:59:09,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 128 more)] === [2024-11-09 10:59:09,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 10:59:09,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2021129430, now seen corresponding path program 1 times [2024-11-09 10:59:09,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 10:59:09,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613911305] [2024-11-09 10:59:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 10:59:09,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 10:59:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 10:59:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 10:59:09,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 10:59:09,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613911305] [2024-11-09 10:59:09,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613911305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 10:59:09,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 10:59:09,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 10:59:09,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891117046] [2024-11-09 10:59:09,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 10:59:09,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 10:59:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 10:59:09,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 10:59:09,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 10:59:09,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 461 [2024-11-09 10:59:09,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 336 places, 461 transitions, 938 flow. Second operand has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 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) [2024-11-09 10:59:09,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 10:59:09,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 461 [2024-11-09 10:59:09,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand