./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/hclhlock.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 b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:25:20,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:25:20,139 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-10 18:25:20,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:25:20,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:25:20,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:25:20,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:25:20,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:25:20,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:25:20,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:25:20,172 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:25:20,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:25:20,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:25:20,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:25:20,175 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:25:20,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:25:20,175 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:25:20,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:25:20,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:25:20,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:25:20,176 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-10 18:25:20,179 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-10 18:25:20,179 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-10 18:25:20,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:25:20,180 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 18:25:20,180 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:25:20,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:25:20,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:25:20,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:25:20,181 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:25:20,181 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:25:20,181 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:25:20,181 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:25:20,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:25:20,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:25:20,182 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:25:20,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:25:20,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:25:20,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:25:20,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:25:20,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:25:20,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:25:20,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a2798ee53cc94366daea227ae4e14ebe705512ec93088d5efc9992b9f84ae5 [2024-11-10 18:25:20,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:25:20,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:25:20,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:25:20,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:25:20,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:25:20,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/hclhlock.i [2024-11-10 18:25:21,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:25:22,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:25:22,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/hclhlock.i [2024-11-10 18:25:22,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3a085b8/c8131f9cc1bb44adb9afe2b70648edf2/FLAG7f397aa5f [2024-11-10 18:25:22,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c3a085b8/c8131f9cc1bb44adb9afe2b70648edf2 [2024-11-10 18:25:22,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:25:22,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:25:22,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:25:22,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:25:22,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:25:22,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:22" (1/1) ... [2024-11-10 18:25:22,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39dd6a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:22, skipping insertion in model container [2024-11-10 18:25:22,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:25:22" (1/1) ... [2024-11-10 18:25:22,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:25:23,619 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,630 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,631 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,640 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,644 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-10 18:25:23,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:25:23,956 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:25:24,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2024-11-10 18:25:24,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2024-11-10 18:25:24,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2024-11-10 18:25:24,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2024-11-10 18:25:24,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2024-11-10 18:25:24,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2024-11-10 18:25:24,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2024-11-10 18:25:24,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2024-11-10 18:25:24,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2024-11-10 18:25:24,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2024-11-10 18:25:24,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2024-11-10 18:25:24,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2024-11-10 18:25:24,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2024-11-10 18:25:24,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2024-11-10 18:25:24,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2024-11-10 18:25:24,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2024-11-10 18:25:24,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2024-11-10 18:25:24,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2024-11-10 18:25:24,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2024-11-10 18:25:24,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2024-11-10 18:25:24,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2024-11-10 18:25:24,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2024-11-10 18:25:24,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2024-11-10 18:25:24,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2024-11-10 18:25:24,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2024-11-10 18:25:24,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2024-11-10 18:25:24,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2024-11-10 18:25:24,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2024-11-10 18:25:24,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2024-11-10 18:25:24,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2024-11-10 18:25:24,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2024-11-10 18:25:24,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2024-11-10 18:25:24,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2024-11-10 18:25:24,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2024-11-10 18:25:24,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2024-11-10 18:25:24,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2024-11-10 18:25:24,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2024-11-10 18:25:24,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2024-11-10 18:25:24,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2024-11-10 18:25:24,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2024-11-10 18:25:24,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2024-11-10 18:25:24,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2024-11-10 18:25:24,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2024-11-10 18:25:24,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2024-11-10 18:25:24,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2024-11-10 18:25:24,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2024-11-10 18:25:24,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2024-11-10 18:25:24,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2024-11-10 18:25:24,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2024-11-10 18:25:24,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2024-11-10 18:25:24,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2024-11-10 18:25:24,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2024-11-10 18:25:24,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2024-11-10 18:25:24,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2024-11-10 18:25:24,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2024-11-10 18:25:24,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2024-11-10 18:25:24,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2024-11-10 18:25:24,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2024-11-10 18:25:24,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2024-11-10 18:25:24,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2024-11-10 18:25:24,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2024-11-10 18:25:24,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2024-11-10 18:25:24,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2024-11-10 18:25:24,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2024-11-10 18:25:24,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2024-11-10 18:25:24,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2024-11-10 18:25:24,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2024-11-10 18:25:24,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2024-11-10 18:25:24,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2024-11-10 18:25:24,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2024-11-10 18:25:24,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2024-11-10 18:25:24,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2024-11-10 18:25:24,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2024-11-10 18:25:24,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2024-11-10 18:25:24,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2024-11-10 18:25:24,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2024-11-10 18:25:24,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2024-11-10 18:25:24,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2024-11-10 18:25:24,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2024-11-10 18:25:24,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2024-11-10 18:25:24,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2024-11-10 18:25:24,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2024-11-10 18:25:24,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2024-11-10 18:25:24,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2024-11-10 18:25:24,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2024-11-10 18:25:24,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2024-11-10 18:25:24,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2024-11-10 18:25:24,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2024-11-10 18:25:24,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2024-11-10 18:25:24,140 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2024-11-10 18:25:24,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2024-11-10 18:25:24,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2024-11-10 18:25:24,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2024-11-10 18:25:24,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2024-11-10 18:25:24,142 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2024-11-10 18:25:24,143 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2024-11-10 18:25:24,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2024-11-10 18:25:24,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2024-11-10 18:25:24,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2024-11-10 18:25:24,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2024-11-10 18:25:24,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:25:24,487 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:25:24,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24 WrapperNode [2024-11-10 18:25:24,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:25:24,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:25:24,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:25:24,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:25:24,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,638 INFO L138 Inliner]: procedures = 921, calls = 972, calls flagged for inlining = 848, calls inlined = 84, statements flattened = 866 [2024-11-10 18:25:24,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:25:24,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:25:24,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:25:24,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:25:24,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,717 INFO L175 MemorySlicer]: Split 50 memory accesses to 4 slices as follows [2, 2, 28, 18]. 56 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 0, 7, 6]. The 15 writes are split as follows [0, 1, 9, 5]. [2024-11-10 18:25:24,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:25:24,763 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:25:24,764 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:25:24,764 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:25:24,764 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (1/1) ... [2024-11-10 18:25:24,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:25:24,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:25:24,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:25:24,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:25:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:25:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 18:25:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 18:25:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 18:25:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:25:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 18:25:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 18:25:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 18:25:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 18:25:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:25:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:25:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure run [2024-11-10 18:25:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 18:25:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:25:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 18:25:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 18:25:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 18:25:24,850 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 18:25:25,059 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:25:25,062 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:25:25,845 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 18:25:25,845 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 18:25:25,845 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 18:25:25,845 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-27: havoc vatomic32_read_rlx_#t~ret112#1; [2024-11-10 18:25:25,846 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890: havoc vatomic32_read_acq_#t~ret113#1; [2024-11-10 18:25:25,846 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1890-9: havoc vatomic32_read_acq_#t~ret113#1; [2024-11-10 18:25:25,846 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290: havoc vatomic32_await_neq_acq_#t~ret175#1; [2024-11-10 18:25:25,846 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2290-9: havoc vatomic32_await_neq_acq_#t~ret175#1; [2024-11-10 18:25:25,846 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1920: havoc vatomic32_cmpxchg_rlx_#t~ret117#1; [2024-11-10 18:25:25,846 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2024-11-10 18:25:26,008 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2024-11-10 18:25:26,008 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6115-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2024-11-10 18:25:26,010 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 18:25:26,010 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:25:26,364 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:25:26,364 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:25:26,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:25:26 BoogieIcfgContainer [2024-11-10 18:25:26,365 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:25:26,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:25:26,366 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:25:26,373 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:25:26,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:25:22" (1/3) ... [2024-11-10 18:25:26,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2b1c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:25:26, skipping insertion in model container [2024-11-10 18:25:26,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:25:24" (2/3) ... [2024-11-10 18:25:26,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2b1c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:25:26, skipping insertion in model container [2024-11-10 18:25:26,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:25:26" (3/3) ... [2024-11-10 18:25:26,375 INFO L112 eAbstractionObserver]: Analyzing ICFG hclhlock.i [2024-11-10 18:25:26,392 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:25:26,393 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 88 error locations. [2024-11-10 18:25:26,393 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 18:25:26,586 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 18:25:26,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 580 transitions, 1167 flow [2024-11-10 18:25:26,731 INFO L124 PetriNetUnfolderBase]: 193/634 cut-off events. [2024-11-10 18:25:26,733 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 18:25:26,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 634 events. 193/634 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2535 event pairs, 0 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 473. Up to 6 conditions per place. [2024-11-10 18:25:26,745 INFO L82 GeneralOperation]: Start removeDead. Operand has 406 places, 580 transitions, 1167 flow [2024-11-10 18:25:26,759 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 406 places, 580 transitions, 1167 flow [2024-11-10 18:25:26,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:25:26,774 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;@29911d1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:25:26,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 154 error locations. [2024-11-10 18:25:26,777 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:25:26,777 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-11-10 18:25:26,777 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:25:26,777 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:26,778 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-10 18:25:26,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:26,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash 85668, now seen corresponding path program 1 times [2024-11-10 18:25:26,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:26,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996298933] [2024-11-10 18:25:26,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:26,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:27,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:27,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996298933] [2024-11-10 18:25:27,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996298933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:27,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:27,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:25:27,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243909860] [2024-11-10 18:25:27,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:27,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:27,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:27,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:27,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:27,267 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:27,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 406 places, 580 transitions, 1167 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:27,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:27,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:27,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:28,039 INFO L124 PetriNetUnfolderBase]: 1185/3848 cut-off events. [2024-11-10 18:25:28,039 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 18:25:28,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6093 conditions, 3848 events. 1185/3848 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32837 event pairs, 936 based on Foata normal form. 2688/5874 useless extension candidates. Maximal degree in co-relation 5914. Up to 2236 conditions per place. [2024-11-10 18:25:28,061 INFO L140 encePairwiseOnDemand]: 425/580 looper letters, 180 selfloop transitions, 4 changer transitions 0/412 dead transitions. [2024-11-10 18:25:28,061 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 412 transitions, 1199 flow [2024-11-10 18:25:28,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:28,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1019 transitions. [2024-11-10 18:25:28,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.585632183908046 [2024-11-10 18:25:28,077 INFO L175 Difference]: Start difference. First operand has 406 places, 580 transitions, 1167 flow. Second operand 3 states and 1019 transitions. [2024-11-10 18:25:28,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 412 transitions, 1199 flow [2024-11-10 18:25:28,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 384 places, 412 transitions, 1199 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 18:25:28,094 INFO L231 Difference]: Finished difference. Result has 384 places, 412 transitions, 839 flow [2024-11-10 18:25:28,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=382, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=412, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=408, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=839, PETRI_PLACES=384, PETRI_TRANSITIONS=412} [2024-11-10 18:25:28,101 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -22 predicate places. [2024-11-10 18:25:28,101 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 412 transitions, 839 flow [2024-11-10 18:25:28,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:28,102 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:28,102 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-10 18:25:28,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:25:28,102 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:28,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:28,103 INFO L85 PathProgramCache]: Analyzing trace with hash 85669, now seen corresponding path program 1 times [2024-11-10 18:25:28,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:28,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700142382] [2024-11-10 18:25:28,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:28,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:28,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:28,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:28,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700142382] [2024-11-10 18:25:28,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700142382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:28,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:28,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:25:28,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226253662] [2024-11-10 18:25:28,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:28,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:28,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:28,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:28,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:28,301 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:28,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 412 transitions, 839 flow. Second operand has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:28,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:28,302 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:28,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:28,922 INFO L124 PetriNetUnfolderBase]: 1185/3847 cut-off events. [2024-11-10 18:25:28,922 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 18:25:28,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6096 conditions, 3847 events. 1185/3847 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32880 event pairs, 936 based on Foata normal form. 0/3187 useless extension candidates. Maximal degree in co-relation 6071. Up to 2237 conditions per place. [2024-11-10 18:25:28,938 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 181 selfloop transitions, 2 changer transitions 0/411 dead transitions. [2024-11-10 18:25:28,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 411 transitions, 1203 flow [2024-11-10 18:25:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:28,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:28,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 868 transitions. [2024-11-10 18:25:28,940 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49885057471264366 [2024-11-10 18:25:28,940 INFO L175 Difference]: Start difference. First operand has 384 places, 412 transitions, 839 flow. Second operand 3 states and 868 transitions. [2024-11-10 18:25:28,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 411 transitions, 1203 flow [2024-11-10 18:25:28,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 411 transitions, 1195 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:25:28,947 INFO L231 Difference]: Finished difference. Result has 383 places, 411 transitions, 833 flow [2024-11-10 18:25:28,948 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=411, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=409, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=383, PETRI_TRANSITIONS=411} [2024-11-10 18:25:28,948 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -23 predicate places. [2024-11-10 18:25:28,949 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 411 transitions, 833 flow [2024-11-10 18:25:28,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.66666666666666) internal successors, (686), 3 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:28,949 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:28,949 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-10 18:25:28,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:25:28,949 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:28,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:28,950 INFO L85 PathProgramCache]: Analyzing trace with hash 82405071, now seen corresponding path program 1 times [2024-11-10 18:25:28,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:28,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536633474] [2024-11-10 18:25:28,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:28,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:29,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:29,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536633474] [2024-11-10 18:25:29,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536633474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:29,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:29,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:29,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554682684] [2024-11-10 18:25:29,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:29,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:25:29,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:29,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:25:29,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:25:29,121 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:29,122 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 411 transitions, 833 flow. Second operand has 5 states, 5 states have (on average 228.8) internal successors, (1144), 5 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:29,122 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:29,122 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:29,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:29,833 INFO L124 PetriNetUnfolderBase]: 1185/3845 cut-off events. [2024-11-10 18:25:29,833 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 18:25:29,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6090 conditions, 3845 events. 1185/3845 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32841 event pairs, 936 based on Foata normal form. 0/3186 useless extension candidates. Maximal degree in co-relation 6078. Up to 2227 conditions per place. [2024-11-10 18:25:29,849 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 175 selfloop transitions, 6 changer transitions 0/409 dead transitions. [2024-11-10 18:25:29,849 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 409 transitions, 1191 flow [2024-11-10 18:25:29,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:25:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:25:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1323 transitions. [2024-11-10 18:25:29,852 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45620689655172414 [2024-11-10 18:25:29,852 INFO L175 Difference]: Start difference. First operand has 383 places, 411 transitions, 833 flow. Second operand 5 states and 1323 transitions. [2024-11-10 18:25:29,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 409 transitions, 1191 flow [2024-11-10 18:25:29,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 409 transitions, 1187 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:25:29,858 INFO L231 Difference]: Finished difference. Result has 383 places, 409 transitions, 837 flow [2024-11-10 18:25:29,859 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=409, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=403, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=837, PETRI_PLACES=383, PETRI_TRANSITIONS=409} [2024-11-10 18:25:29,859 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -23 predicate places. [2024-11-10 18:25:29,859 INFO L471 AbstractCegarLoop]: Abstraction has has 383 places, 409 transitions, 837 flow [2024-11-10 18:25:29,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.8) internal successors, (1144), 5 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:29,860 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:29,860 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-10 18:25:29,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:25:29,861 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:29,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:29,861 INFO L85 PathProgramCache]: Analyzing trace with hash 82405072, now seen corresponding path program 1 times [2024-11-10 18:25:29,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:29,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100354825] [2024-11-10 18:25:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:29,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:29,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:29,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100354825] [2024-11-10 18:25:29,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100354825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:29,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:29,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:29,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893744] [2024-11-10 18:25:29,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:29,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:25:29,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:29,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:25:29,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:25:30,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:30,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 383 places, 409 transitions, 837 flow. Second operand has 5 states, 5 states have (on average 228.8) internal successors, (1144), 5 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:30,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:30,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:30,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:30,959 INFO L124 PetriNetUnfolderBase]: 1185/3844 cut-off events. [2024-11-10 18:25:30,959 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 18:25:30,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6092 conditions, 3844 events. 1185/3844 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32797 event pairs, 936 based on Foata normal form. 0/3186 useless extension candidates. Maximal degree in co-relation 6060. Up to 2227 conditions per place. [2024-11-10 18:25:30,972 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 176 selfloop transitions, 4 changer transitions 0/408 dead transitions. [2024-11-10 18:25:30,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 408 transitions, 1195 flow [2024-11-10 18:25:30,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:25:30,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:25:30,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1321 transitions. [2024-11-10 18:25:30,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4555172413793103 [2024-11-10 18:25:30,975 INFO L175 Difference]: Start difference. First operand has 383 places, 409 transitions, 837 flow. Second operand 5 states and 1321 transitions. [2024-11-10 18:25:30,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 408 transitions, 1195 flow [2024-11-10 18:25:30,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 408 transitions, 1183 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 18:25:30,981 INFO L231 Difference]: Finished difference. Result has 382 places, 408 transitions, 831 flow [2024-11-10 18:25:30,981 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=378, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=408, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=404, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=831, PETRI_PLACES=382, PETRI_TRANSITIONS=408} [2024-11-10 18:25:30,982 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -24 predicate places. [2024-11-10 18:25:30,982 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 408 transitions, 831 flow [2024-11-10 18:25:30,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 228.8) internal successors, (1144), 5 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:30,983 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:30,983 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:30,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:25:30,983 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:30,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 355354163, now seen corresponding path program 1 times [2024-11-10 18:25:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:30,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816236499] [2024-11-10 18:25:30,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:31,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:31,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816236499] [2024-11-10 18:25:31,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816236499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:31,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:31,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:25:31,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380851559] [2024-11-10 18:25:31,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:31,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:25:31,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:31,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:25:31,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:25:31,373 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:31,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 408 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:31,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:31,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:31,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:32,165 INFO L124 PetriNetUnfolderBase]: 1185/3843 cut-off events. [2024-11-10 18:25:32,166 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 18:25:32,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6088 conditions, 3843 events. 1185/3843 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32755 event pairs, 936 based on Foata normal form. 0/3186 useless extension candidates. Maximal degree in co-relation 6060. Up to 2227 conditions per place. [2024-11-10 18:25:32,177 INFO L140 encePairwiseOnDemand]: 573/580 looper letters, 173 selfloop transitions, 6 changer transitions 0/407 dead transitions. [2024-11-10 18:25:32,178 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 386 places, 407 transitions, 1187 flow [2024-11-10 18:25:32,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:25:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:25:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1548 transitions. [2024-11-10 18:25:32,182 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.44482758620689655 [2024-11-10 18:25:32,182 INFO L175 Difference]: Start difference. First operand has 382 places, 408 transitions, 831 flow. Second operand 6 states and 1548 transitions. [2024-11-10 18:25:32,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 386 places, 407 transitions, 1187 flow [2024-11-10 18:25:32,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 407 transitions, 1179 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 18:25:32,194 INFO L231 Difference]: Finished difference. Result has 382 places, 407 transitions, 833 flow [2024-11-10 18:25:32,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=821, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=382, PETRI_TRANSITIONS=407} [2024-11-10 18:25:32,196 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -24 predicate places. [2024-11-10 18:25:32,196 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 407 transitions, 833 flow [2024-11-10 18:25:32,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:32,197 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:32,197 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:32,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:25:32,199 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:32,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:32,202 INFO L85 PathProgramCache]: Analyzing trace with hash -222553758, now seen corresponding path program 1 times [2024-11-10 18:25:32,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:32,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998987925] [2024-11-10 18:25:32,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:32,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:32,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:32,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998987925] [2024-11-10 18:25:32,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998987925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:32,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:32,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:32,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109066600] [2024-11-10 18:25:32,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:32,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:25:32,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:32,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:25:32,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:25:32,299 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:32,300 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 407 transitions, 833 flow. Second operand has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:32,300 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:32,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:32,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:32,788 INFO L124 PetriNetUnfolderBase]: 1185/3840 cut-off events. [2024-11-10 18:25:32,789 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 18:25:32,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6086 conditions, 3840 events. 1185/3840 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32782 event pairs, 936 based on Foata normal form. 1/3184 useless extension candidates. Maximal degree in co-relation 6056. Up to 2217 conditions per place. [2024-11-10 18:25:32,805 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 175 selfloop transitions, 3 changer transitions 0/404 dead transitions. [2024-11-10 18:25:32,806 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 382 places, 404 transitions, 1183 flow [2024-11-10 18:25:32,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:25:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:25:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1091 transitions. [2024-11-10 18:25:32,808 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4702586206896552 [2024-11-10 18:25:32,808 INFO L175 Difference]: Start difference. First operand has 382 places, 407 transitions, 833 flow. Second operand 4 states and 1091 transitions. [2024-11-10 18:25:32,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 382 places, 404 transitions, 1183 flow [2024-11-10 18:25:32,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 404 transitions, 1171 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 18:25:32,815 INFO L231 Difference]: Finished difference. Result has 377 places, 404 transitions, 821 flow [2024-11-10 18:25:32,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=815, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=401, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=821, PETRI_PLACES=377, PETRI_TRANSITIONS=404} [2024-11-10 18:25:32,816 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -29 predicate places. [2024-11-10 18:25:32,816 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 404 transitions, 821 flow [2024-11-10 18:25:32,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:32,817 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:32,817 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:32,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:25:32,818 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:32,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:32,818 INFO L85 PathProgramCache]: Analyzing trace with hash 887302044, now seen corresponding path program 1 times [2024-11-10 18:25:32,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:32,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696136280] [2024-11-10 18:25:32,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:32,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:32,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:32,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696136280] [2024-11-10 18:25:32,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696136280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:32,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:32,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:32,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981246272] [2024-11-10 18:25:32,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:32,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:25:32,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:32,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:25:32,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:25:32,880 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:32,881 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 404 transitions, 821 flow. Second operand has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:32,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:32,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:32,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:33,365 INFO L124 PetriNetUnfolderBase]: 1185/3837 cut-off events. [2024-11-10 18:25:33,366 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 18:25:33,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6079 conditions, 3837 events. 1185/3837 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32741 event pairs, 936 based on Foata normal form. 1/3181 useless extension candidates. Maximal degree in co-relation 6013. Up to 2217 conditions per place. [2024-11-10 18:25:33,381 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 174 selfloop transitions, 3 changer transitions 0/401 dead transitions. [2024-11-10 18:25:33,382 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 401 transitions, 1169 flow [2024-11-10 18:25:33,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:25:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:25:33,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1090 transitions. [2024-11-10 18:25:33,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4698275862068966 [2024-11-10 18:25:33,386 INFO L175 Difference]: Start difference. First operand has 377 places, 404 transitions, 821 flow. Second operand 4 states and 1090 transitions. [2024-11-10 18:25:33,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 401 transitions, 1169 flow [2024-11-10 18:25:33,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 401 transitions, 1163 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:25:33,391 INFO L231 Difference]: Finished difference. Result has 374 places, 401 transitions, 815 flow [2024-11-10 18:25:33,392 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=815, PETRI_PLACES=374, PETRI_TRANSITIONS=401} [2024-11-10 18:25:33,393 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -32 predicate places. [2024-11-10 18:25:33,393 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 401 transitions, 815 flow [2024-11-10 18:25:33,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 230.0) internal successors, (920), 4 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:33,394 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:33,394 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:33,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:25:33,394 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:33,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:33,394 INFO L85 PathProgramCache]: Analyzing trace with hash -2029296518, now seen corresponding path program 1 times [2024-11-10 18:25:33,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:33,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040380938] [2024-11-10 18:25:33,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:33,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:33,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:33,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040380938] [2024-11-10 18:25:33,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040380938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:33,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:33,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:33,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222151517] [2024-11-10 18:25:33,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:33,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:33,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:33,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:33,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:33,459 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 580 [2024-11-10 18:25:33,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 401 transitions, 815 flow. Second operand has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:33,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:33,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 580 [2024-11-10 18:25:33,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:34,019 INFO L124 PetriNetUnfolderBase]: 1185/3841 cut-off events. [2024-11-10 18:25:34,019 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 18:25:34,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6087 conditions, 3841 events. 1185/3841 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32952 event pairs, 936 based on Foata normal form. 0/3183 useless extension candidates. Maximal degree in co-relation 6021. Up to 2230 conditions per place. [2024-11-10 18:25:34,034 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 179 selfloop transitions, 2 changer transitions 0/404 dead transitions. [2024-11-10 18:25:34,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 404 transitions, 1183 flow [2024-11-10 18:25:34,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 863 transitions. [2024-11-10 18:25:34,038 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4959770114942529 [2024-11-10 18:25:34,038 INFO L175 Difference]: Start difference. First operand has 374 places, 401 transitions, 815 flow. Second operand 3 states and 863 transitions. [2024-11-10 18:25:34,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 404 transitions, 1183 flow [2024-11-10 18:25:34,040 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 373 places, 404 transitions, 1177 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:25:34,047 INFO L231 Difference]: Finished difference. Result has 374 places, 402 transitions, 821 flow [2024-11-10 18:25:34,047 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=821, PETRI_PLACES=374, PETRI_TRANSITIONS=402} [2024-11-10 18:25:34,048 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -32 predicate places. [2024-11-10 18:25:34,048 INFO L471 AbstractCegarLoop]: Abstraction has has 374 places, 402 transitions, 821 flow [2024-11-10 18:25:34,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 230.0) internal successors, (690), 3 states have internal predecessors, (690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:34,049 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:34,049 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:34,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:25:34,050 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:34,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:34,050 INFO L85 PathProgramCache]: Analyzing trace with hash 922252173, now seen corresponding path program 1 times [2024-11-10 18:25:34,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:34,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314812054] [2024-11-10 18:25:34,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:34,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:34,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:34,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:34,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314812054] [2024-11-10 18:25:34,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314812054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:25:34,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145668096] [2024-11-10 18:25:34,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:34,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:25:34,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:25:34,165 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:25:34,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:25:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:34,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:25:34,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:25:34,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:34,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:25:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:34,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145668096] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:25:34,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:25:34,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 18:25:34,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132281122] [2024-11-10 18:25:34,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:25:34,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:25:34,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:34,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:25:34,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:25:34,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 580 [2024-11-10 18:25:34,367 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 374 places, 402 transitions, 821 flow. Second operand has 7 states, 7 states have (on average 229.71428571428572) internal successors, (1608), 7 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:34,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:34,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 580 [2024-11-10 18:25:34,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:35,086 INFO L124 PetriNetUnfolderBase]: 1185/3845 cut-off events. [2024-11-10 18:25:35,087 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 18:25:35,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6098 conditions, 3845 events. 1185/3845 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32754 event pairs, 936 based on Foata normal form. 1/3189 useless extension candidates. Maximal degree in co-relation 6073. Up to 2228 conditions per place. [2024-11-10 18:25:35,104 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 179 selfloop transitions, 5 changer transitions 0/407 dead transitions. [2024-11-10 18:25:35,104 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 407 transitions, 1201 flow [2024-11-10 18:25:35,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:25:35,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 18:25:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1320 transitions. [2024-11-10 18:25:35,108 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.45517241379310347 [2024-11-10 18:25:35,108 INFO L175 Difference]: Start difference. First operand has 374 places, 402 transitions, 821 flow. Second operand 5 states and 1320 transitions. [2024-11-10 18:25:35,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 407 transitions, 1201 flow [2024-11-10 18:25:35,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 407 transitions, 1199 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:25:35,114 INFO L231 Difference]: Finished difference. Result has 379 places, 404 transitions, 845 flow [2024-11-10 18:25:35,114 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=819, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=845, PETRI_PLACES=379, PETRI_TRANSITIONS=404} [2024-11-10 18:25:35,115 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -27 predicate places. [2024-11-10 18:25:35,115 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 404 transitions, 845 flow [2024-11-10 18:25:35,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 229.71428571428572) internal successors, (1608), 7 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:35,116 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:35,117 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:35,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:25:35,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:25:35,320 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:35,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:35,320 INFO L85 PathProgramCache]: Analyzing trace with hash -53362400, now seen corresponding path program 2 times [2024-11-10 18:25:35,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:35,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846241134] [2024-11-10 18:25:35,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:35,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:35,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:35,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846241134] [2024-11-10 18:25:35,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846241134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:35,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:35,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:35,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181857905] [2024-11-10 18:25:35,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:35,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:35,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:35,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:35,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:35,461 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:35,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 404 transitions, 845 flow. Second operand has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:35,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:35,462 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:35,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:35,936 INFO L124 PetriNetUnfolderBase]: 1185/3842 cut-off events. [2024-11-10 18:25:35,937 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-10 18:25:35,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6104 conditions, 3842 events. 1185/3842 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32735 event pairs, 936 based on Foata normal form. 1/3186 useless extension candidates. Maximal degree in co-relation 6054. Up to 2224 conditions per place. [2024-11-10 18:25:35,953 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 177 selfloop transitions, 2 changer transitions 0/401 dead transitions. [2024-11-10 18:25:35,954 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 401 transitions, 1197 flow [2024-11-10 18:25:35,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 861 transitions. [2024-11-10 18:25:35,956 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.49482758620689654 [2024-11-10 18:25:35,956 INFO L175 Difference]: Start difference. First operand has 379 places, 404 transitions, 845 flow. Second operand 3 states and 861 transitions. [2024-11-10 18:25:35,956 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 401 transitions, 1197 flow [2024-11-10 18:25:35,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 401 transitions, 1191 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-10 18:25:35,963 INFO L231 Difference]: Finished difference. Result has 377 places, 401 transitions, 837 flow [2024-11-10 18:25:35,964 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=401, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=399, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=837, PETRI_PLACES=377, PETRI_TRANSITIONS=401} [2024-11-10 18:25:35,964 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -29 predicate places. [2024-11-10 18:25:35,964 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 401 transitions, 837 flow [2024-11-10 18:25:35,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.66666666666666) internal successors, (695), 3 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:35,965 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:35,965 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:35,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:25:35,966 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:35,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:35,966 INFO L85 PathProgramCache]: Analyzing trace with hash -414375366, now seen corresponding path program 1 times [2024-11-10 18:25:35,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:35,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513478094] [2024-11-10 18:25:35,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:36,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:36,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513478094] [2024-11-10 18:25:36,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513478094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:36,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:36,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:25:36,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478182887] [2024-11-10 18:25:36,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:36,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:36,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:36,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:36,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:36,067 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 580 [2024-11-10 18:25:36,068 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 401 transitions, 837 flow. Second operand has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:36,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:36,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 580 [2024-11-10 18:25:36,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:36,712 INFO L124 PetriNetUnfolderBase]: 1463/4387 cut-off events. [2024-11-10 18:25:36,713 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 18:25:36,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7165 conditions, 4387 events. 1463/4387 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 38121 event pairs, 936 based on Foata normal form. 0/3718 useless extension candidates. Maximal degree in co-relation 7117. Up to 2237 conditions per place. [2024-11-10 18:25:36,728 INFO L140 encePairwiseOnDemand]: 576/580 looper letters, 318 selfloop transitions, 2 changer transitions 0/538 dead transitions. [2024-11-10 18:25:36,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 538 transitions, 1751 flow [2024-11-10 18:25:36,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 991 transitions. [2024-11-10 18:25:36,731 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5695402298850575 [2024-11-10 18:25:36,731 INFO L175 Difference]: Start difference. First operand has 377 places, 401 transitions, 837 flow. Second operand 3 states and 991 transitions. [2024-11-10 18:25:36,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 538 transitions, 1751 flow [2024-11-10 18:25:36,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 538 transitions, 1747 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:25:36,737 INFO L231 Difference]: Finished difference. Result has 375 places, 399 transitions, 833 flow [2024-11-10 18:25:36,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=375, PETRI_TRANSITIONS=399} [2024-11-10 18:25:36,738 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -31 predicate places. [2024-11-10 18:25:36,738 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 399 transitions, 833 flow [2024-11-10 18:25:36,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:36,738 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:36,738 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:36,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 18:25:36,739 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:36,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:36,739 INFO L85 PathProgramCache]: Analyzing trace with hash -414375365, now seen corresponding path program 1 times [2024-11-10 18:25:36,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:36,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716079411] [2024-11-10 18:25:36,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:36,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:36,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716079411] [2024-11-10 18:25:36,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716079411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:36,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:36,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:36,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207775263] [2024-11-10 18:25:36,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:36,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:36,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:36,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:36,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:36,794 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 580 [2024-11-10 18:25:36,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 399 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 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) [2024-11-10 18:25:36,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:36,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 580 [2024-11-10 18:25:36,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:37,342 INFO L124 PetriNetUnfolderBase]: 1188/3845 cut-off events. [2024-11-10 18:25:37,342 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2024-11-10 18:25:37,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6241 conditions, 3845 events. 1188/3845 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32421 event pairs, 936 based on Foata normal form. 0/3218 useless extension candidates. Maximal degree in co-relation 6192. Up to 2239 conditions per place. [2024-11-10 18:25:37,358 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 193 selfloop transitions, 2 changer transitions 0/414 dead transitions. [2024-11-10 18:25:37,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 414 transitions, 1253 flow [2024-11-10 18:25:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 874 transitions. [2024-11-10 18:25:37,361 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5022988505747127 [2024-11-10 18:25:37,361 INFO L175 Difference]: Start difference. First operand has 375 places, 399 transitions, 833 flow. Second operand 3 states and 874 transitions. [2024-11-10 18:25:37,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 414 transitions, 1253 flow [2024-11-10 18:25:37,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 414 transitions, 1249 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:25:37,367 INFO L231 Difference]: Finished difference. Result has 376 places, 400 transitions, 841 flow [2024-11-10 18:25:37,368 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=399, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=841, PETRI_PLACES=376, PETRI_TRANSITIONS=400} [2024-11-10 18:25:37,368 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -30 predicate places. [2024-11-10 18:25:37,368 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 400 transitions, 841 flow [2024-11-10 18:25:37,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 231.33333333333334) internal successors, (694), 3 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) [2024-11-10 18:25:37,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:37,369 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 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] [2024-11-10 18:25:37,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:25:37,369 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:37,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:37,370 INFO L85 PathProgramCache]: Analyzing trace with hash -750166285, now seen corresponding path program 1 times [2024-11-10 18:25:37,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:37,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839639851] [2024-11-10 18:25:37,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:37,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:37,510 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:37,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:37,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839639851] [2024-11-10 18:25:37,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839639851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:37,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:37,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:25:37,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877188210] [2024-11-10 18:25:37,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:37,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:25:37,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:37,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:25:37,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:25:37,522 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:37,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 400 transitions, 841 flow. Second operand has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:37,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:37,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:37,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:38,105 INFO L124 PetriNetUnfolderBase]: 1188/3839 cut-off events. [2024-11-10 18:25:38,106 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2024-11-10 18:25:38,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6118 conditions, 3839 events. 1188/3839 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32386 event pairs, 936 based on Foata normal form. 2/3215 useless extension candidates. Maximal degree in co-relation 6069. Up to 2225 conditions per place. [2024-11-10 18:25:38,122 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 174 selfloop transitions, 5 changer transitions 0/397 dead transitions. [2024-11-10 18:25:38,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 397 transitions, 1193 flow [2024-11-10 18:25:38,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:25:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:25:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1088 transitions. [2024-11-10 18:25:38,127 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4689655172413793 [2024-11-10 18:25:38,127 INFO L175 Difference]: Start difference. First operand has 376 places, 400 transitions, 841 flow. Second operand 4 states and 1088 transitions. [2024-11-10 18:25:38,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 397 transitions, 1193 flow [2024-11-10 18:25:38,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 397 transitions, 1191 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 18:25:38,132 INFO L231 Difference]: Finished difference. Result has 375 places, 397 transitions, 843 flow [2024-11-10 18:25:38,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=392, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=843, PETRI_PLACES=375, PETRI_TRANSITIONS=397} [2024-11-10 18:25:38,134 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -31 predicate places. [2024-11-10 18:25:38,134 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 397 transitions, 843 flow [2024-11-10 18:25:38,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 231.0) internal successors, (924), 4 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:38,135 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:38,135 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 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] [2024-11-10 18:25:38,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:25:38,135 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:38,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash 603050824, now seen corresponding path program 1 times [2024-11-10 18:25:38,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:38,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524787498] [2024-11-10 18:25:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:38,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:38,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:38,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524787498] [2024-11-10 18:25:38,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524787498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:38,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:38,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:38,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363383194] [2024-11-10 18:25:38,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:38,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:25:38,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:38,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:25:38,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:25:38,420 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 228 out of 580 [2024-11-10 18:25:38,421 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 397 transitions, 843 flow. Second operand has 5 states, 5 states have (on average 231.2) internal successors, (1156), 5 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:38,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:38,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 228 of 580 [2024-11-10 18:25:38,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:39,154 INFO L124 PetriNetUnfolderBase]: 1178/3720 cut-off events. [2024-11-10 18:25:39,155 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2024-11-10 18:25:39,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6004 conditions, 3720 events. 1178/3720 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 31235 event pairs, 702 based on Foata normal form. 0/3126 useless extension candidates. Maximal degree in co-relation 5955. Up to 1706 conditions per place. [2024-11-10 18:25:39,169 INFO L140 encePairwiseOnDemand]: 572/580 looper letters, 309 selfloop transitions, 8 changer transitions 0/535 dead transitions. [2024-11-10 18:25:39,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 535 transitions, 1753 flow [2024-11-10 18:25:39,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:25:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:25:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1682 transitions. [2024-11-10 18:25:39,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48333333333333334 [2024-11-10 18:25:39,173 INFO L175 Difference]: Start difference. First operand has 375 places, 397 transitions, 843 flow. Second operand 6 states and 1682 transitions. [2024-11-10 18:25:39,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 535 transitions, 1753 flow [2024-11-10 18:25:39,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 535 transitions, 1743 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:25:39,179 INFO L231 Difference]: Finished difference. Result has 376 places, 396 transitions, 847 flow [2024-11-10 18:25:39,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=847, PETRI_PLACES=376, PETRI_TRANSITIONS=396} [2024-11-10 18:25:39,180 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -30 predicate places. [2024-11-10 18:25:39,180 INFO L471 AbstractCegarLoop]: Abstraction has has 376 places, 396 transitions, 847 flow [2024-11-10 18:25:39,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 231.2) internal successors, (1156), 5 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:39,181 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:39,181 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 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] [2024-11-10 18:25:39,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 18:25:39,181 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:39,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:39,181 INFO L85 PathProgramCache]: Analyzing trace with hash 603050825, now seen corresponding path program 1 times [2024-11-10 18:25:39,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:39,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984112389] [2024-11-10 18:25:39,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:39,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:39,492 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:39,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:39,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984112389] [2024-11-10 18:25:39,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984112389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:39,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:39,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:25:39,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427063458] [2024-11-10 18:25:39,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:39,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:25:39,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:39,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:25:39,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:25:39,642 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 580 [2024-11-10 18:25:39,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 376 places, 396 transitions, 847 flow. Second operand has 6 states, 6 states have (on average 229.66666666666666) internal successors, (1378), 6 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:39,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:39,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 580 [2024-11-10 18:25:39,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:40,457 INFO L124 PetriNetUnfolderBase]: 1188/3836 cut-off events. [2024-11-10 18:25:40,458 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES. [2024-11-10 18:25:40,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6241 conditions, 3836 events. 1188/3836 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32374 event pairs, 936 based on Foata normal form. 0/3213 useless extension candidates. Maximal degree in co-relation 6190. Up to 2236 conditions per place. [2024-11-10 18:25:40,474 INFO L140 encePairwiseOnDemand]: 573/580 looper letters, 184 selfloop transitions, 6 changer transitions 0/407 dead transitions. [2024-11-10 18:25:40,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 407 transitions, 1255 flow [2024-11-10 18:25:40,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:25:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 18:25:40,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1550 transitions. [2024-11-10 18:25:40,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4454022988505747 [2024-11-10 18:25:40,479 INFO L175 Difference]: Start difference. First operand has 376 places, 396 transitions, 847 flow. Second operand 6 states and 1550 transitions. [2024-11-10 18:25:40,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 407 transitions, 1255 flow [2024-11-10 18:25:40,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 407 transitions, 1233 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 18:25:40,486 INFO L231 Difference]: Finished difference. Result has 379 places, 399 transitions, 865 flow [2024-11-10 18:25:40,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=371, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=865, PETRI_PLACES=379, PETRI_TRANSITIONS=399} [2024-11-10 18:25:40,487 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -27 predicate places. [2024-11-10 18:25:40,487 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 399 transitions, 865 flow [2024-11-10 18:25:40,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.66666666666666) internal successors, (1378), 6 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:40,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:40,488 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 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] [2024-11-10 18:25:40,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 18:25:40,488 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:40,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:40,489 INFO L85 PathProgramCache]: Analyzing trace with hash -288666269, now seen corresponding path program 1 times [2024-11-10 18:25:40,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:40,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598557429] [2024-11-10 18:25:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:40,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:40,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598557429] [2024-11-10 18:25:40,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598557429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:40,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:40,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:25:40,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519198032] [2024-11-10 18:25:40,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:40,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:25:40,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:40,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:25:40,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:25:40,715 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 580 [2024-11-10 18:25:40,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 399 transitions, 865 flow. Second operand has 4 states, 4 states have (on average 229.5) internal successors, (918), 4 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:40,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:40,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 580 [2024-11-10 18:25:40,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:41,371 INFO L124 PetriNetUnfolderBase]: 1178/3715 cut-off events. [2024-11-10 18:25:41,371 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-10 18:25:41,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6009 conditions, 3715 events. 1178/3715 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 31159 event pairs, 702 based on Foata normal form. 2/3131 useless extension candidates. Maximal degree in co-relation 5956. Up to 1708 conditions per place. [2024-11-10 18:25:41,387 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 315 selfloop transitions, 6 changer transitions 0/536 dead transitions. [2024-11-10 18:25:41,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 536 transitions, 1781 flow [2024-11-10 18:25:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:25:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:25:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1216 transitions. [2024-11-10 18:25:41,391 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5241379310344828 [2024-11-10 18:25:41,391 INFO L175 Difference]: Start difference. First operand has 379 places, 399 transitions, 865 flow. Second operand 4 states and 1216 transitions. [2024-11-10 18:25:41,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 536 transitions, 1781 flow [2024-11-10 18:25:41,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 536 transitions, 1775 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:25:41,397 INFO L231 Difference]: Finished difference. Result has 377 places, 397 transitions, 867 flow [2024-11-10 18:25:41,398 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=855, PETRI_DIFFERENCE_MINUEND_PLACES=374, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=391, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=867, PETRI_PLACES=377, PETRI_TRANSITIONS=397} [2024-11-10 18:25:41,398 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -29 predicate places. [2024-11-10 18:25:41,398 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 397 transitions, 867 flow [2024-11-10 18:25:41,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 229.5) internal successors, (918), 4 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:41,399 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:41,399 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 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] [2024-11-10 18:25:41,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 18:25:41,399 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:41,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:41,400 INFO L85 PathProgramCache]: Analyzing trace with hash -288666268, now seen corresponding path program 1 times [2024-11-10 18:25:41,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:41,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054321067] [2024-11-10 18:25:41,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:41,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:41,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:41,635 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:41,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:41,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054321067] [2024-11-10 18:25:41,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054321067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:41,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:41,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:25:41,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457866539] [2024-11-10 18:25:41,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:41,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:25:41,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:41,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:25:41,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:25:41,691 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 580 [2024-11-10 18:25:41,692 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 397 transitions, 867 flow. Second operand has 4 states, 4 states have (on average 230.5) internal successors, (922), 4 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:41,692 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:41,692 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 580 [2024-11-10 18:25:41,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:42,228 INFO L124 PetriNetUnfolderBase]: 1188/3828 cut-off events. [2024-11-10 18:25:42,228 INFO L125 PetriNetUnfolderBase]: For 150/150 co-relation queries the response was YES. [2024-11-10 18:25:42,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6241 conditions, 3828 events. 1188/3828 cut-off events. For 150/150 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32248 event pairs, 936 based on Foata normal form. 4/3216 useless extension candidates. Maximal degree in co-relation 6188. Up to 2224 conditions per place. [2024-11-10 18:25:42,243 INFO L140 encePairwiseOnDemand]: 575/580 looper letters, 176 selfloop transitions, 5 changer transitions 0/395 dead transitions. [2024-11-10 18:25:42,244 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 395 transitions, 1225 flow [2024-11-10 18:25:42,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:25:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:25:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1080 transitions. [2024-11-10 18:25:42,249 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.46551724137931033 [2024-11-10 18:25:42,249 INFO L175 Difference]: Start difference. First operand has 377 places, 397 transitions, 867 flow. Second operand 4 states and 1080 transitions. [2024-11-10 18:25:42,249 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 395 transitions, 1225 flow [2024-11-10 18:25:42,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 395 transitions, 1213 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:25:42,255 INFO L231 Difference]: Finished difference. Result has 375 places, 395 transitions, 861 flow [2024-11-10 18:25:42,255 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=861, PETRI_PLACES=375, PETRI_TRANSITIONS=395} [2024-11-10 18:25:42,256 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -31 predicate places. [2024-11-10 18:25:42,256 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 395 transitions, 861 flow [2024-11-10 18:25:42,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 230.5) internal successors, (922), 4 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:42,256 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:42,256 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:42,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 18:25:42,257 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:42,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:42,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1757410970, now seen corresponding path program 1 times [2024-11-10 18:25:42,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:42,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083144180] [2024-11-10 18:25:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:42,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:42,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:42,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:42,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083144180] [2024-11-10 18:25:42,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083144180] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:25:42,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921568094] [2024-11-10 18:25:42,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:25:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:25:42,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:25:42,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:25:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:42,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-10 18:25:42,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:25:42,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:42,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:25:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:42,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921568094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:25:42,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:25:42,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 4] total 9 [2024-11-10 18:25:42,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447958537] [2024-11-10 18:25:42,607 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:25:42,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:25:42,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:42,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:25:42,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:25:42,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 580 [2024-11-10 18:25:42,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 395 transitions, 861 flow. Second operand has 9 states, 9 states have (on average 230.55555555555554) internal successors, (2075), 9 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:42,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:42,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 580 [2024-11-10 18:25:42,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:43,464 INFO L124 PetriNetUnfolderBase]: 1191/3861 cut-off events. [2024-11-10 18:25:43,464 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2024-11-10 18:25:43,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6180 conditions, 3861 events. 1191/3861 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32172 event pairs, 936 based on Foata normal form. 2/3247 useless extension candidates. Maximal degree in co-relation 6127. Up to 2215 conditions per place. [2024-11-10 18:25:43,476 INFO L140 encePairwiseOnDemand]: 574/580 looper letters, 200 selfloop transitions, 8 changer transitions 0/420 dead transitions. [2024-11-10 18:25:43,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 420 transitions, 1347 flow [2024-11-10 18:25:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:25:43,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-10 18:25:43,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1792 transitions. [2024-11-10 18:25:43,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4413793103448276 [2024-11-10 18:25:43,480 INFO L175 Difference]: Start difference. First operand has 375 places, 395 transitions, 861 flow. Second operand 7 states and 1792 transitions. [2024-11-10 18:25:43,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 420 transitions, 1347 flow [2024-11-10 18:25:43,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 420 transitions, 1331 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 18:25:43,485 INFO L231 Difference]: Finished difference. Result has 381 places, 397 transitions, 891 flow [2024-11-10 18:25:43,486 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=851, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=891, PETRI_PLACES=381, PETRI_TRANSITIONS=397} [2024-11-10 18:25:43,486 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -25 predicate places. [2024-11-10 18:25:43,486 INFO L471 AbstractCegarLoop]: Abstraction has has 381 places, 397 transitions, 891 flow [2024-11-10 18:25:43,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 230.55555555555554) internal successors, (2075), 9 states have internal predecessors, (2075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:43,487 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:43,487 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:43,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:25:43,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-10 18:25:43,688 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:43,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:43,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2080889334, now seen corresponding path program 1 times [2024-11-10 18:25:43,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:43,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768355189] [2024-11-10 18:25:43,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:43,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-10 18:25:44,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:44,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768355189] [2024-11-10 18:25:44,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768355189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:25:44,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264880972] [2024-11-10 18:25:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:44,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:25:44,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:25:44,006 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:25:44,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:25:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:44,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-10 18:25:44,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:25:44,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 18:25:44,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-11-10 18:25:44,697 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:44,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:25:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:45,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264880972] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:25:45,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:25:45,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 23 [2024-11-10 18:25:45,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488050383] [2024-11-10 18:25:45,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:25:45,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 18:25:45,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:45,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 18:25:45,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2024-11-10 18:25:46,843 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 580 [2024-11-10 18:25:46,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 381 places, 397 transitions, 891 flow. Second operand has 23 states, 23 states have (on average 229.65217391304347) internal successors, (5282), 23 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:46,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:46,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 580 [2024-11-10 18:25:46,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:48,441 INFO L124 PetriNetUnfolderBase]: 1190/3863 cut-off events. [2024-11-10 18:25:48,442 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-10 18:25:48,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6192 conditions, 3863 events. 1190/3863 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 32145 event pairs, 936 based on Foata normal form. 4/3251 useless extension candidates. Maximal degree in co-relation 6134. Up to 2215 conditions per place. [2024-11-10 18:25:48,458 INFO L140 encePairwiseOnDemand]: 566/580 looper letters, 186 selfloop transitions, 22 changer transitions 0/420 dead transitions. [2024-11-10 18:25:48,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 396 places, 420 transitions, 1363 flow [2024-11-10 18:25:48,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 18:25:48,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-10 18:25:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 4053 transitions. [2024-11-10 18:25:48,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.41105476673427993 [2024-11-10 18:25:48,466 INFO L175 Difference]: Start difference. First operand has 381 places, 397 transitions, 891 flow. Second operand 17 states and 4053 transitions. [2024-11-10 18:25:48,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 396 places, 420 transitions, 1363 flow [2024-11-10 18:25:48,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 393 places, 420 transitions, 1351 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-10 18:25:48,472 INFO L231 Difference]: Finished difference. Result has 397 places, 403 transitions, 964 flow [2024-11-10 18:25:48,472 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=875, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=964, PETRI_PLACES=397, PETRI_TRANSITIONS=403} [2024-11-10 18:25:48,473 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -9 predicate places. [2024-11-10 18:25:48,473 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 403 transitions, 964 flow [2024-11-10 18:25:48,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 229.65217391304347) internal successors, (5282), 23 states have internal predecessors, (5282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:48,475 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:48,475 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:48,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:25:48,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:25:48,676 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:48,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:48,677 INFO L85 PathProgramCache]: Analyzing trace with hash 504947683, now seen corresponding path program 1 times [2024-11-10 18:25:48,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:48,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028523956] [2024-11-10 18:25:48,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:48,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:48,956 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-10 18:25:48,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:48,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028523956] [2024-11-10 18:25:48,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028523956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:48,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:48,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:25:48,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925011040] [2024-11-10 18:25:48,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:48,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:25:48,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:48,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:25:48,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:25:49,021 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 580 [2024-11-10 18:25:49,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 403 transitions, 964 flow. Second operand has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:49,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:49,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 580 [2024-11-10 18:25:49,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:49,887 INFO L124 PetriNetUnfolderBase]: 1323/4111 cut-off events. [2024-11-10 18:25:49,887 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-11-10 18:25:49,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6732 conditions, 4111 events. 1323/4111 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 34199 event pairs, 581 based on Foata normal form. 119/3502 useless extension candidates. Maximal degree in co-relation 6667. Up to 1601 conditions per place. [2024-11-10 18:25:49,907 INFO L140 encePairwiseOnDemand]: 573/580 looper letters, 464 selfloop transitions, 5 changer transitions 0/681 dead transitions. [2024-11-10 18:25:49,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 681 transitions, 2458 flow [2024-11-10 18:25:49,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:25:49,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-10 18:25:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1359 transitions. [2024-11-10 18:25:49,910 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5857758620689655 [2024-11-10 18:25:49,910 INFO L175 Difference]: Start difference. First operand has 397 places, 403 transitions, 964 flow. Second operand 4 states and 1359 transitions. [2024-11-10 18:25:49,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 681 transitions, 2458 flow [2024-11-10 18:25:49,914 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 681 transitions, 2414 flow, removed 8 selfloop flow, removed 12 redundant places. [2024-11-10 18:25:49,919 INFO L231 Difference]: Finished difference. Result has 389 places, 403 transitions, 942 flow [2024-11-10 18:25:49,920 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=918, PETRI_DIFFERENCE_MINUEND_PLACES=384, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=402, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=397, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=942, PETRI_PLACES=389, PETRI_TRANSITIONS=403} [2024-11-10 18:25:49,920 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -17 predicate places. [2024-11-10 18:25:49,920 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 403 transitions, 942 flow [2024-11-10 18:25:49,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:49,921 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:49,921 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2024-11-10 18:25:49,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 18:25:49,921 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:49,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:49,922 INFO L85 PathProgramCache]: Analyzing trace with hash -135548433, now seen corresponding path program 1 times [2024-11-10 18:25:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:49,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079856750] [2024-11-10 18:25:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-10 18:25:50,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:50,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079856750] [2024-11-10 18:25:50,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079856750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:50,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:50,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:25:50,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192464994] [2024-11-10 18:25:50,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:50,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:50,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:50,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:50,171 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 580 [2024-11-10 18:25:50,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 403 transitions, 942 flow. Second operand has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:50,173 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:50,173 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 580 [2024-11-10 18:25:50,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 18:25:50,735 INFO L124 PetriNetUnfolderBase]: 1183/3737 cut-off events. [2024-11-10 18:25:50,735 INFO L125 PetriNetUnfolderBase]: For 882/998 co-relation queries the response was YES. [2024-11-10 18:25:50,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6781 conditions, 3737 events. 1183/3737 cut-off events. For 882/998 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 31459 event pairs, 936 based on Foata normal form. 3/3227 useless extension candidates. Maximal degree in co-relation 6719. Up to 2248 conditions per place. [2024-11-10 18:25:50,753 INFO L140 encePairwiseOnDemand]: 577/580 looper letters, 184 selfloop transitions, 4 changer transitions 0/398 dead transitions. [2024-11-10 18:25:50,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 398 transitions, 1303 flow [2024-11-10 18:25:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:25:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 18:25:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 851 transitions. [2024-11-10 18:25:50,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48908045977011494 [2024-11-10 18:25:50,756 INFO L175 Difference]: Start difference. First operand has 389 places, 403 transitions, 942 flow. Second operand 3 states and 851 transitions. [2024-11-10 18:25:50,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 398 transitions, 1303 flow [2024-11-10 18:25:50,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 398 transitions, 1298 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 18:25:50,762 INFO L231 Difference]: Finished difference. Result has 387 places, 398 transitions, 930 flow [2024-11-10 18:25:50,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=580, PETRI_DIFFERENCE_MINUEND_FLOW=922, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=930, PETRI_PLACES=387, PETRI_TRANSITIONS=398} [2024-11-10 18:25:50,763 INFO L277 CegarLoopForPetriNet]: 406 programPoint places, -19 predicate places. [2024-11-10 18:25:50,763 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 398 transitions, 930 flow [2024-11-10 18:25:50,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:50,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:50,764 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1] [2024-11-10 18:25:50,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 18:25:50,764 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 151 more)] === [2024-11-10 18:25:50,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:50,764 INFO L85 PathProgramCache]: Analyzing trace with hash -60799861, now seen corresponding path program 1 times [2024-11-10 18:25:50,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:50,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84245653] [2024-11-10 18:25:50,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:50,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:25:50,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 18:25:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 18:25:51,072 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 18:25:51,072 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 18:25:51,075 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (153 of 154 remaining) [2024-11-10 18:25:51,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (152 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (151 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (150 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (149 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (148 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (147 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK (146 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_LEAK (145 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_LEAK (142 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK (141 of 154 remaining) [2024-11-10 18:25:51,079 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 154 remaining) [2024-11-10 18:25:51,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 154 remaining) [2024-11-10 18:25:51,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (138 of 154 remaining) [2024-11-10 18:25:51,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (137 of 154 remaining) [2024-11-10 18:25:51,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (136 of 154 remaining) [2024-11-10 18:25:51,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 154 remaining) [2024-11-10 18:25:51,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (134 of 154 remaining) [2024-11-10 18:25:51,080 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (133 of 154 remaining) [2024-11-10 18:25:51,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 154 remaining) [2024-11-10 18:25:51,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 154 remaining) [2024-11-10 18:25:51,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (130 of 154 remaining) [2024-11-10 18:25:51,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 154 remaining) [2024-11-10 18:25:51,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 154 remaining) [2024-11-10 18:25:51,081 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64ASSERT_VIOLATIONMEMORY_LEAK (127 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63ASSERT_VIOLATIONMEMORY_LEAK (124 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 154 remaining) [2024-11-10 18:25:51,082 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONMEMORY_LEAK (113 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 154 remaining) [2024-11-10 18:25:51,083 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 154 remaining) [2024-11-10 18:25:51,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONMEMORY_LEAK (108 of 154 remaining) [2024-11-10 18:25:51,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 154 remaining) [2024-11-10 18:25:51,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 154 remaining) [2024-11-10 18:25:51,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52ASSERT_VIOLATIONMEMORY_LEAK (105 of 154 remaining) [2024-11-10 18:25:51,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 154 remaining) [2024-11-10 18:25:51,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 154 remaining) [2024-11-10 18:25:51,084 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 154 remaining) [2024-11-10 18:25:51,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 154 remaining) [2024-11-10 18:25:51,085 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51ASSERT_VIOLATIONMEMORY_LEAK (100 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50ASSERT_VIOLATIONMEMORY_LEAK (95 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 154 remaining) [2024-11-10 18:25:51,086 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONMEMORY_LEAK (90 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONMEMORY_LEAK (83 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONMEMORY_LEAK (82 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 154 remaining) [2024-11-10 18:25:51,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONMEMORY_LEAK (79 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 154 remaining) [2024-11-10 18:25:51,088 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64ASSERT_VIOLATIONMEMORY_LEAK (62 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 154 remaining) [2024-11-10 18:25:51,089 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63ASSERT_VIOLATIONMEMORY_LEAK (59 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 154 remaining) [2024-11-10 18:25:51,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27ASSERT_VIOLATIONMEMORY_LEAK (48 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24ASSERT_VIOLATIONMEMORY_LEAK (43 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52ASSERT_VIOLATIONMEMORY_LEAK (40 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 154 remaining) [2024-11-10 18:25:51,091 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51ASSERT_VIOLATIONMEMORY_LEAK (35 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50ASSERT_VIOLATIONMEMORY_LEAK (30 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17ASSERT_VIOLATIONMEMORY_LEAK (25 of 154 remaining) [2024-11-10 18:25:51,092 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 154 remaining) [2024-11-10 18:25:51,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 154 remaining) [2024-11-10 18:25:51,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 154 remaining) [2024-11-10 18:25:51,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 154 remaining) [2024-11-10 18:25:51,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 154 remaining) [2024-11-10 18:25:51,093 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 154 remaining) [2024-11-10 18:25:51,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14ASSERT_VIOLATIONMEMORY_LEAK (18 of 154 remaining) [2024-11-10 18:25:51,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13ASSERT_VIOLATIONMEMORY_LEAK (17 of 154 remaining) [2024-11-10 18:25:51,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 154 remaining) [2024-11-10 18:25:51,094 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 154 remaining) [2024-11-10 18:25:51,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10ASSERT_VIOLATIONMEMORY_LEAK (14 of 154 remaining) [2024-11-10 18:25:51,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 154 remaining) [2024-11-10 18:25:51,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 154 remaining) [2024-11-10 18:25:51,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 154 remaining) [2024-11-10 18:25:51,095 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 154 remaining) [2024-11-10 18:25:51,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 154 remaining) [2024-11-10 18:25:51,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 18:25:51,097 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:25:51,100 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 18:25:51,100 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 18:25:51,269 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 18:25:51,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 697 places, 1000 transitions, 2016 flow [2024-11-10 18:25:51,508 INFO L124 PetriNetUnfolderBase]: 350/1146 cut-off events. [2024-11-10 18:25:51,509 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 18:25:51,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1158 conditions, 1146 events. 350/1146 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5941 event pairs, 0 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 927. Up to 12 conditions per place. [2024-11-10 18:25:51,541 INFO L82 GeneralOperation]: Start removeDead. Operand has 697 places, 1000 transitions, 2016 flow [2024-11-10 18:25:51,573 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 697 places, 1000 transitions, 2016 flow [2024-11-10 18:25:51,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:25:51,574 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;@29911d1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:25:51,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 219 error locations. [2024-11-10 18:25:51,575 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 18:25:51,575 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-11-10 18:25:51,575 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 18:25:51,575 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 18:25:51,575 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-11-10 18:25:51,576 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 216 more)] === [2024-11-10 18:25:51,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:25:51,576 INFO L85 PathProgramCache]: Analyzing trace with hash 117668, now seen corresponding path program 1 times [2024-11-10 18:25:51,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:25:51,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935614188] [2024-11-10 18:25:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:25:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:25:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:25:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:25:51,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:25:51,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935614188] [2024-11-10 18:25:51,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935614188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:25:51,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:25:51,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 18:25:51,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216179283] [2024-11-10 18:25:51,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:25:51,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:25:51,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:25:51,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:25:51,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:25:51,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 387 out of 1000 [2024-11-10 18:25:51,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 697 places, 1000 transitions, 2016 flow. Second operand has 3 states, 3 states have (on average 387.6666666666667) internal successors, (1163), 3 states have internal predecessors, (1163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:25:51,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 18:25:51,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 387 of 1000 [2024-11-10 18:25:51,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand