./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/libvsync/cnalock.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/cnalock.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:31:47,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:31:47,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-09 01:31:47,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:31:47,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:31:47,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:31:47,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:31:47,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:31:47,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:31:47,413 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:31:47,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:31:47,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:31:47,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:31:47,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:31:47,415 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:31:47,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:31:47,415 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:31:47,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:31:47,415 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:31:47,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:31:47,415 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-09 01:31:47,415 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:31:47,416 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:31:47,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:31:47,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:31:47,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:31:47,417 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34e9f64e541272dd9ea9a959271dc176e797335c8277127c4c0a13bf1a3bf002 [2025-03-09 01:31:47,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:31:47,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:31:47,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:31:47,644 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:31:47,644 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:31:47,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/cnalock.i [2025-03-09 01:31:48,775 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449d188de/d8366a84596041bfb958a81851da3a97/FLAG1386b6c27 [2025-03-09 01:31:49,148 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:31:49,148 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/cnalock.i [2025-03-09 01:31:49,180 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449d188de/d8366a84596041bfb958a81851da3a97/FLAG1386b6c27 [2025-03-09 01:31:49,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/449d188de/d8366a84596041bfb958a81851da3a97 [2025-03-09 01:31:49,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:31:49,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:31:49,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:31:49,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:31:49,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:31:49,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:31:49" (1/1) ... [2025-03-09 01:31:49,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e61939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:49, skipping insertion in model container [2025-03-09 01:31:49,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:31:49" (1/1) ... [2025-03-09 01:31:49,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:31:50,630 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:50,636 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:50,636 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:50,645 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:50,646 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:50,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:31:50,969 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:31:51,033 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755] [2025-03-09 01:31:51,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757] [2025-03-09 01:31:51,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762] [2025-03-09 01:31:51,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764] [2025-03-09 01:31:51,036 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770] [2025-03-09 01:31:51,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772] [2025-03-09 01:31:51,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778] [2025-03-09 01:31:51,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780] [2025-03-09 01:31:51,037 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786] [2025-03-09 01:31:51,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788] [2025-03-09 01:31:51,038 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794] [2025-03-09 01:31:51,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796] [2025-03-09 01:31:51,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802] [2025-03-09 01:31:51,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804] [2025-03-09 01:31:51,040 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810] [2025-03-09 01:31:51,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812] [2025-03-09 01:31:51,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817] [2025-03-09 01:31:51,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819] [2025-03-09 01:31:51,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824] [2025-03-09 01:31:51,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826] [2025-03-09 01:31:51,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831] [2025-03-09 01:31:51,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833] [2025-03-09 01:31:51,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838] [2025-03-09 01:31:51,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840] [2025-03-09 01:31:51,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845] [2025-03-09 01:31:51,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847] [2025-03-09 01:31:51,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852] [2025-03-09 01:31:51,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855] [2025-03-09 01:31:51,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861] [2025-03-09 01:31:51,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864] [2025-03-09 01:31:51,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870] [2025-03-09 01:31:51,043 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873] [2025-03-09 01:31:51,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879] [2025-03-09 01:31:51,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882] [2025-03-09 01:31:51,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888] [2025-03-09 01:31:51,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891] [2025-03-09 01:31:51,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897] [2025-03-09 01:31:51,046 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900] [2025-03-09 01:31:51,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907] [2025-03-09 01:31:51,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910] [2025-03-09 01:31:51,047 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917] [2025-03-09 01:31:51,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920] [2025-03-09 01:31:51,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927] [2025-03-09 01:31:51,048 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930] [2025-03-09 01:31:51,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937] [2025-03-09 01:31:51,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940] [2025-03-09 01:31:51,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947] [2025-03-09 01:31:51,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950] [2025-03-09 01:31:51,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957] [2025-03-09 01:31:51,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960] [2025-03-09 01:31:51,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966] [2025-03-09 01:31:51,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969] [2025-03-09 01:31:51,052 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975] [2025-03-09 01:31:51,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978] [2025-03-09 01:31:51,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984] [2025-03-09 01:31:51,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987] [2025-03-09 01:31:51,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993] [2025-03-09 01:31:51,054 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996] [2025-03-09 01:31:51,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002] [2025-03-09 01:31:51,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005] [2025-03-09 01:31:51,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011] [2025-03-09 01:31:51,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014] [2025-03-09 01:31:51,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020] [2025-03-09 01:31:51,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023] [2025-03-09 01:31:51,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029] [2025-03-09 01:31:51,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032] [2025-03-09 01:31:51,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038] [2025-03-09 01:31:51,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041] [2025-03-09 01:31:51,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047] [2025-03-09 01:31:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050] [2025-03-09 01:31:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056] [2025-03-09 01:31:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059] [2025-03-09 01:31:51,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065] [2025-03-09 01:31:51,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068] [2025-03-09 01:31:51,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074] [2025-03-09 01:31:51,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077] [2025-03-09 01:31:51,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083] [2025-03-09 01:31:51,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086] [2025-03-09 01:31:51,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092] [2025-03-09 01:31:51,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095] [2025-03-09 01:31:51,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101] [2025-03-09 01:31:51,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103] [2025-03-09 01:31:51,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109] [2025-03-09 01:31:51,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111] [2025-03-09 01:31:51,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117] [2025-03-09 01:31:51,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119] [2025-03-09 01:31:51,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125] [2025-03-09 01:31:51,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127] [2025-03-09 01:31:51,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133] [2025-03-09 01:31:51,063 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135] [2025-03-09 01:31:51,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141] [2025-03-09 01:31:51,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143] [2025-03-09 01:31:51,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149] [2025-03-09 01:31:51,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151] [2025-03-09 01:31:51,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157] [2025-03-09 01:31:51,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159] [2025-03-09 01:31:51,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165] [2025-03-09 01:31:51,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167] [2025-03-09 01:31:51,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173] [2025-03-09 01:31:51,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175] [2025-03-09 01:31:51,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:31:51,299 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:31:51,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51 WrapperNode [2025-03-09 01:31:51,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:31:51,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:31:51,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:31:51,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:31:51,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,388 INFO L138 Inliner]: procedures = 919, calls = 958, calls flagged for inlining = 842, calls inlined = 87, statements flattened = 720 [2025-03-09 01:31:51,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:31:51,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:31:51,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:31:51,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:31:51,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,446 INFO L175 MemorySlicer]: Split 56 memory accesses to 3 slices as follows [2, 52, 2]. 93 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 17, 0]. The 19 writes are split as follows [0, 18, 1]. [2025-03-09 01:31:51,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,472 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,478 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:31:51,493 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:31:51,493 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:31:51,493 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:31:51,494 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (1/1) ... [2025-03-09 01:31:51,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:31:51,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:31:51,521 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) [2025-03-09 01:31:51,524 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 [2025-03-09 01:31:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 01:31:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 01:31:51,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:31:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure run [2025-03-09 01:31:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 01:31:51,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 01:31:51,543 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 01:31:51,696 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:31:51,698 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:31:52,498 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-09 01:31:52,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-9: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-09 01:31:52,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L1885-18: havoc vatomic32_read_rlx_#t~ret112#1; [2025-03-09 01:31:52,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-03-09 01:31:52,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-9: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-03-09 01:31:52,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3675-18: havoc vatomicptr_xchg_rlx_#t~ret414#1.base, vatomicptr_xchg_rlx_#t~ret414#1.offset; [2025-03-09 01:31:52,499 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5403: havoc _cnalock_keep_lock_local_#t~ret760#1; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3700-9: havoc vatomicptr_cmpxchg_rel_#t~ret419#1.base, vatomicptr_cmpxchg_rel_#t~ret419#1.offset; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3720-9: havoc vatomicptr_await_neq_acq_#t~ret423#1.base, vatomicptr_await_neq_acq_#t~ret423#1.offset; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-9: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-18: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-09 01:31:52,500 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3655-27: havoc vatomicptr_read_rlx_#t~ret412#1.base, vatomicptr_read_rlx_#t~ret412#1.offset; [2025-03-09 01:31:52,501 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2025-03-09 01:31:52,501 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L3660-9: havoc vatomicptr_read_acq_#t~ret413#1.base, vatomicptr_read_acq_#t~ret413#1.offset; [2025-03-09 01:31:52,599 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-09 01:31:52,600 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6069-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-09 01:31:52,600 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 01:31:52,601 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:31:53,072 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:31:53,073 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:31:53,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:31:53 BoogieIcfgContainer [2025-03-09 01:31:53,073 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:31:53,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:31:53,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:31:53,079 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:31:53,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:31:49" (1/3) ... [2025-03-09 01:31:53,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcb55d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:31:53, skipping insertion in model container [2025-03-09 01:31:53,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:51" (2/3) ... [2025-03-09 01:31:53,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcb55d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:31:53, skipping insertion in model container [2025-03-09 01:31:53,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:31:53" (3/3) ... [2025-03-09 01:31:53,082 INFO L128 eAbstractionObserver]: Analyzing ICFG cnalock.i [2025-03-09 01:31:53,136 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:31:53,138 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cnalock.i that has 2 procedures, 229 locations, 1 initial locations, 21 loop locations, and 77 error locations. [2025-03-09 01:31:53,139 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 01:31:53,280 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-09 01:31:53,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 232 places, 308 transitions, 623 flow [2025-03-09 01:31:53,366 INFO L124 PetriNetUnfolderBase]: 92/354 cut-off events. [2025-03-09 01:31:53,367 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-09 01:31:53,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 354 events. 92/354 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1370 event pairs, 0 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 294. Up to 8 conditions per place. [2025-03-09 01:31:53,377 INFO L82 GeneralOperation]: Start removeDead. Operand has 232 places, 308 transitions, 623 flow [2025-03-09 01:31:53,383 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 232 places, 308 transitions, 623 flow [2025-03-09 01:31:53,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:31:53,395 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;@6a52226c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:31:53,396 INFO L334 AbstractCegarLoop]: Starting to check reachability of 146 error locations. [2025-03-09 01:31:53,403 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 01:31:53,403 INFO L124 PetriNetUnfolderBase]: 5/13 cut-off events. [2025-03-09 01:31:53,403 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 01:31:53,403 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:53,403 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 01:31:53,403 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2025-03-09 01:31:53,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:53,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2077187248, now seen corresponding path program 1 times [2025-03-09 01:31:53,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:53,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478866573] [2025-03-09 01:31:53,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:53,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:53,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 01:31:53,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 01:31:53,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:53,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:31:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:31:53,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:31:53,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478866573] [2025-03-09 01:31:53,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478866573] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:31:53,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:31:53,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:31:53,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602544702] [2025-03-09 01:31:53,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:31:53,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 01:31:53,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:31:53,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 01:31:53,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 01:31:53,563 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 308 [2025-03-09 01:31:53,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 308 transitions, 623 flow. Second operand has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2025-03-09 01:31:53,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:31:53,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 308 [2025-03-09 01:31:53,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 01:31:54,272 INFO L124 PetriNetUnfolderBase]: 2443/5164 cut-off events. [2025-03-09 01:31:54,272 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-03-09 01:31:54,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9940 conditions, 5164 events. 2443/5164 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 36589 event pairs, 2142 based on Foata normal form. 1460/5074 useless extension candidates. Maximal degree in co-relation 9874. Up to 4771 conditions per place. [2025-03-09 01:31:54,294 INFO L140 encePairwiseOnDemand]: 238/308 looper letters, 193 selfloop transitions, 0 changer transitions 0/236 dead transitions. [2025-03-09 01:31:54,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 236 transitions, 865 flow [2025-03-09 01:31:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 01:31:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-09 01:31:54,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 349 transitions. [2025-03-09 01:31:54,303 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5665584415584416 [2025-03-09 01:31:54,303 INFO L175 Difference]: Start difference. First operand has 232 places, 308 transitions, 623 flow. Second operand 2 states and 349 transitions. [2025-03-09 01:31:54,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 236 transitions, 865 flow [2025-03-09 01:31:54,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 236 transitions, 865 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 01:31:54,310 INFO L231 Difference]: Finished difference. Result has 219 places, 236 transitions, 479 flow [2025-03-09 01:31:54,312 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=479, PETRI_PLACES=219, PETRI_TRANSITIONS=236} [2025-03-09 01:31:54,315 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, -13 predicate places. [2025-03-09 01:31:54,315 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 236 transitions, 479 flow [2025-03-09 01:31:54,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 45.0) internal successors, (90), 2 states have internal predecessors, (90), 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) [2025-03-09 01:31:54,315 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:54,316 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:31:54,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:31:54,316 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2025-03-09 01:31:54,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:54,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1129054588, now seen corresponding path program 1 times [2025-03-09 01:31:54,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:54,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799628391] [2025-03-09 01:31:54,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:54,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:54,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:31:54,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:31:54,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:54,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:31:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:31:54,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:31:54,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799628391] [2025-03-09 01:31:54,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799628391] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:31:54,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:31:54,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:31:54,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939757984] [2025-03-09 01:31:54,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:31:54,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:31:54,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:31:54,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:31:54,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:31:54,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 308 [2025-03-09 01:31:54,435 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 236 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2025-03-09 01:31:54,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:31:54,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 308 [2025-03-09 01:31:54,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 01:31:55,254 INFO L124 PetriNetUnfolderBase]: 2536/7893 cut-off events. [2025-03-09 01:31:55,254 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-09 01:31:55,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12813 conditions, 7893 events. 2536/7893 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 79232 event pairs, 52 based on Foata normal form. 0/5690 useless extension candidates. Maximal degree in co-relation 12809. Up to 4738 conditions per place. [2025-03-09 01:31:55,279 INFO L140 encePairwiseOnDemand]: 305/308 looper letters, 365 selfloop transitions, 2 changer transitions 0/410 dead transitions. [2025-03-09 01:31:55,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 410 transitions, 1561 flow [2025-03-09 01:31:55,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:31:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 01:31:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 497 transitions. [2025-03-09 01:31:55,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5378787878787878 [2025-03-09 01:31:55,283 INFO L175 Difference]: Start difference. First operand has 219 places, 236 transitions, 479 flow. Second operand 3 states and 497 transitions. [2025-03-09 01:31:55,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 410 transitions, 1561 flow [2025-03-09 01:31:55,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 410 transitions, 1561 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 01:31:55,296 INFO L231 Difference]: Finished difference. Result has 222 places, 236 transitions, 487 flow [2025-03-09 01:31:55,296 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=487, PETRI_PLACES=222, PETRI_TRANSITIONS=236} [2025-03-09 01:31:55,296 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, -10 predicate places. [2025-03-09 01:31:55,296 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 236 transitions, 487 flow [2025-03-09 01:31:55,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2025-03-09 01:31:55,297 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:55,297 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:31:55,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 01:31:55,297 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2025-03-09 01:31:55,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1129054437, now seen corresponding path program 1 times [2025-03-09 01:31:55,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:55,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749897884] [2025-03-09 01:31:55,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:55,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:55,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:31:55,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:31:55,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:55,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:31:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:31:55,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:31:55,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749897884] [2025-03-09 01:31:55,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749897884] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:31:55,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:31:55,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-09 01:31:55,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427535751] [2025-03-09 01:31:55,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:31:55,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:31:55,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:31:55,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:31:55,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:31:55,392 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 308 [2025-03-09 01:31:55,392 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 236 transitions, 487 flow. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2025-03-09 01:31:55,392 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:31:55,392 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 308 [2025-03-09 01:31:55,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 01:31:56,187 INFO L124 PetriNetUnfolderBase]: 2798/5993 cut-off events. [2025-03-09 01:31:56,188 INFO L125 PetriNetUnfolderBase]: For 309/309 co-relation queries the response was YES. [2025-03-09 01:31:56,193 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11902 conditions, 5993 events. 2798/5993 cut-off events. For 309/309 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 44449 event pairs, 2146 based on Foata normal form. 0/4457 useless extension candidates. Maximal degree in co-relation 11896. Up to 4763 conditions per place. [2025-03-09 01:31:56,213 INFO L140 encePairwiseOnDemand]: 304/308 looper letters, 366 selfloop transitions, 2 changer transitions 0/407 dead transitions. [2025-03-09 01:31:56,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 407 transitions, 1565 flow [2025-03-09 01:31:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:31:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-09 01:31:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions. [2025-03-09 01:31:56,245 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5270562770562771 [2025-03-09 01:31:56,247 INFO L175 Difference]: Start difference. First operand has 222 places, 236 transitions, 487 flow. Second operand 3 states and 487 transitions. [2025-03-09 01:31:56,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 407 transitions, 1565 flow [2025-03-09 01:31:56,249 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 407 transitions, 1561 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-09 01:31:56,252 INFO L231 Difference]: Finished difference. Result has 220 places, 234 transitions, 483 flow [2025-03-09 01:31:56,252 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=483, PETRI_PLACES=220, PETRI_TRANSITIONS=234} [2025-03-09 01:31:56,253 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, -12 predicate places. [2025-03-09 01:31:56,253 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 234 transitions, 483 flow [2025-03-09 01:31:56,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2025-03-09 01:31:56,253 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:56,253 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:31:56,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 01:31:56,253 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2025-03-09 01:31:56,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:56,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1129054438, now seen corresponding path program 1 times [2025-03-09 01:31:56,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:56,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949194678] [2025-03-09 01:31:56,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:56,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:56,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:31:56,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:31:56,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:56,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:31:56,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:31:56,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:31:56,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949194678] [2025-03-09 01:31:56,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949194678] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:31:56,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:31:56,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:31:56,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523887482] [2025-03-09 01:31:56,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:31:56,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:31:56,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:31:56,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:31:56,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:31:56,439 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 308 [2025-03-09 01:31:56,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 234 transitions, 483 flow. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-03-09 01:31:56,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:31:56,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 308 [2025-03-09 01:31:56,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 01:31:57,340 INFO L124 PetriNetUnfolderBase]: 2706/7487 cut-off events. [2025-03-09 01:31:57,340 INFO L125 PetriNetUnfolderBase]: For 167/167 co-relation queries the response was YES. [2025-03-09 01:31:57,345 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13202 conditions, 7487 events. 2706/7487 cut-off events. For 167/167 co-relation queries the response was YES. Maximal size of possible extension queue 241. Compared 69956 event pairs, 346 based on Foata normal form. 0/5846 useless extension candidates. Maximal degree in co-relation 13196. Up to 3721 conditions per place. [2025-03-09 01:31:57,360 INFO L140 encePairwiseOnDemand]: 302/308 looper letters, 536 selfloop transitions, 5 changer transitions 0/580 dead transitions. [2025-03-09 01:31:57,361 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 580 transitions, 2257 flow [2025-03-09 01:31:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:31:57,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 01:31:57,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 706 transitions. [2025-03-09 01:31:57,363 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.573051948051948 [2025-03-09 01:31:57,363 INFO L175 Difference]: Start difference. First operand has 220 places, 234 transitions, 483 flow. Second operand 4 states and 706 transitions. [2025-03-09 01:31:57,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 580 transitions, 2257 flow [2025-03-09 01:31:57,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 580 transitions, 2253 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-09 01:31:57,376 INFO L231 Difference]: Finished difference. Result has 221 places, 234 transitions, 496 flow [2025-03-09 01:31:57,376 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=496, PETRI_PLACES=221, PETRI_TRANSITIONS=234} [2025-03-09 01:31:57,378 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, -11 predicate places. [2025-03-09 01:31:57,378 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 234 transitions, 496 flow [2025-03-09 01:31:57,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2025-03-09 01:31:57,378 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:57,378 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:31:57,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 01:31:57,378 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2025-03-09 01:31:57,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:57,379 INFO L85 PathProgramCache]: Analyzing trace with hash -829710875, now seen corresponding path program 1 times [2025-03-09 01:31:57,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:57,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149193762] [2025-03-09 01:31:57,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:57,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-09 01:31:57,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-09 01:31:57,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:57,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:31:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:31:57,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:31:57,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149193762] [2025-03-09 01:31:57,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149193762] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:31:57,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:31:57,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-09 01:31:57,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032186005] [2025-03-09 01:31:57,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:31:57,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:31:57,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:31:57,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:31:57,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:31:57,453 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 308 [2025-03-09 01:31:57,453 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 234 transitions, 496 flow. Second operand has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 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) [2025-03-09 01:31:57,453 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:31:57,453 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 308 [2025-03-09 01:31:57,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 01:31:57,829 INFO L124 PetriNetUnfolderBase]: 376/1185 cut-off events. [2025-03-09 01:31:57,830 INFO L125 PetriNetUnfolderBase]: For 472/472 co-relation queries the response was YES. [2025-03-09 01:31:57,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2672 conditions, 1185 events. 376/1185 cut-off events. For 472/472 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 7453 event pairs, 4 based on Foata normal form. 158/1119 useless extension candidates. Maximal degree in co-relation 2665. Up to 672 conditions per place. [2025-03-09 01:31:57,837 INFO L140 encePairwiseOnDemand]: 305/308 looper letters, 351 selfloop transitions, 2 changer transitions 0/379 dead transitions. [2025-03-09 01:31:57,837 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 379 transitions, 1484 flow [2025-03-09 01:31:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:31:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-09 01:31:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 526 transitions. [2025-03-09 01:31:57,843 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42694805194805197 [2025-03-09 01:31:57,843 INFO L175 Difference]: Start difference. First operand has 221 places, 234 transitions, 496 flow. Second operand 4 states and 526 transitions. [2025-03-09 01:31:57,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 379 transitions, 1484 flow [2025-03-09 01:31:57,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 379 transitions, 1478 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-03-09 01:31:57,849 INFO L231 Difference]: Finished difference. Result has 194 places, 206 transitions, 430 flow [2025-03-09 01:31:57,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=308, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=430, PETRI_PLACES=194, PETRI_TRANSITIONS=206} [2025-03-09 01:31:57,857 INFO L279 CegarLoopForPetriNet]: 232 programPoint places, -38 predicate places. [2025-03-09 01:31:57,857 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 206 transitions, 430 flow [2025-03-09 01:31:57,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 45.0) internal successors, (180), 4 states have internal predecessors, (180), 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) [2025-03-09 01:31:57,857 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:57,857 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:31:57,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 01:31:57,857 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2025-03-09 01:31:57,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:57,858 INFO L85 PathProgramCache]: Analyzing trace with hash 48764508, now seen corresponding path program 1 times [2025-03-09 01:31:57,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:57,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835306731] [2025-03-09 01:31:57,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:57,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:57,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 01:31:57,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 01:31:57,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:57,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:31:57,883 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-09 01:31:57,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-09 01:31:57,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-09 01:31:57,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:57,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-09 01:31:57,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-09 01:31:57,922 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-09 01:31:57,923 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (145 of 146 remaining) [2025-03-09 01:31:57,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 146 remaining) [2025-03-09 01:31:57,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 146 remaining) [2025-03-09 01:31:57,924 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (142 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (141 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (138 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (137 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (136 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (134 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (127 of 146 remaining) [2025-03-09 01:31:57,925 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (124 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 146 remaining) [2025-03-09 01:31:57,926 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 146 remaining) [2025-03-09 01:31:57,927 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 146 remaining) [2025-03-09 01:31:57,928 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 146 remaining) [2025-03-09 01:31:57,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 146 remaining) [2025-03-09 01:31:57,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 146 remaining) [2025-03-09 01:31:57,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 146 remaining) [2025-03-09 01:31:57,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 146 remaining) [2025-03-09 01:31:57,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 146 remaining) [2025-03-09 01:31:57,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 146 remaining) [2025-03-09 01:31:57,929 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 146 remaining) [2025-03-09 01:31:57,930 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 146 remaining) [2025-03-09 01:31:57,931 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 146 remaining) [2025-03-09 01:31:57,932 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 146 remaining) [2025-03-09 01:31:57,933 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location runErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 146 remaining) [2025-03-09 01:31:57,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 01:31:57,933 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-09 01:31:57,936 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-09 01:31:57,936 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-09 01:31:58,081 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-09 01:31:58,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 422 places, 557 transitions, 1130 flow [2025-03-09 01:31:58,156 INFO L124 PetriNetUnfolderBase]: 175/682 cut-off events. [2025-03-09 01:31:58,156 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-09 01:31:58,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 694 conditions, 682 events. 175/682 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3590 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 572. Up to 12 conditions per place. [2025-03-09 01:31:58,167 INFO L82 GeneralOperation]: Start removeDead. Operand has 422 places, 557 transitions, 1130 flow [2025-03-09 01:31:58,179 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 422 places, 557 transitions, 1130 flow [2025-03-09 01:31:58,179 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:31:58,179 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;@6a52226c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:31:58,179 INFO L334 AbstractCegarLoop]: Starting to check reachability of 214 error locations. [2025-03-09 01:31:58,181 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 01:31:58,181 INFO L124 PetriNetUnfolderBase]: 5/13 cut-off events. [2025-03-09 01:31:58,181 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 01:31:58,181 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:58,181 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 01:31:58,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 211 more)] === [2025-03-09 01:31:58,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:58,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1545639363, now seen corresponding path program 1 times [2025-03-09 01:31:58,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:58,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927444884] [2025-03-09 01:31:58,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:58,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:58,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 01:31:58,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 01:31:58,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:58,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:31:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:31:58,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:31:58,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927444884] [2025-03-09 01:31:58,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927444884] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:31:58,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:31:58,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:31:58,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917490931] [2025-03-09 01:31:58,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:31:58,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 01:31:58,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:31:58,193 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 01:31:58,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 01:31:58,194 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 557 [2025-03-09 01:31:58,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 422 places, 557 transitions, 1130 flow. Second operand has 2 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 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) [2025-03-09 01:31:58,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:31:58,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 557 [2025-03-09 01:31:58,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand