./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/libvsync/rwlock.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for memory safety (deref-memtrack)
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/libvsync/rwlock.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX --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 fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:23:48,758 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:23:48,844 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-08 18:23:48,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:23:48,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:23:48,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:23:48,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:23:48,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:23:48,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:23:48,898 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:23:48,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:23:48,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:23:48,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:23:48,903 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:23:48,903 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:23:48,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:23:48,904 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 18:23:48,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:23:48,905 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 18:23:48,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:23:48,906 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-08 18:23:48,910 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-08 18:23:48,910 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-08 18:23:48,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:23:48,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 18:23:48,911 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:23:48,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:23:48,913 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 18:23:48,913 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:23:48,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:23:48,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:23:48,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:23:48,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:23:48,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:23:48,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:23:48,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:23:48,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:23:48,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:23:48,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:23:48,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:23:48,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:23:48,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:23:48,929 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd8ac353802a2e1d548b78214c4e90430a3b2551f535af0ed9cab2c49366d321
[2024-11-08 18:23:49,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:23:49,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:23:49,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:23:49,274 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:23:49,274 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:23:49,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/libvsync/rwlock.i
Unable to find full path for "g++"
[2024-11-08 18:23:51,224 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:23:51,812 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:23:51,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/sv-benchmarks/c/libvsync/rwlock.i
[2024-11-08 18:23:51,861 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/data/5378442b2/693aa925a61147e08cace27b1fd65d4f/FLAG01053d33e
[2024-11-08 18:23:52,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/data/5378442b2/693aa925a61147e08cace27b1fd65d4f
[2024-11-08 18:23:52,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:23:52,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:23:52,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:23:52,296 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:23:52,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:23:52,303 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:23:52" (1/1) ...
[2024-11-08 18:23:52,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555fc422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:52, skipping insertion in model container
[2024-11-08 18:23:52,304 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:23:52" (1/1) ...
[2024-11-08 18:23:52,435 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:23:54,671 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 18:23:54,704 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 18:23:54,705 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 18:23:54,713 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 18:23:54,714 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-08 18:23:55,411 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:23:55,420 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:23:55,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3755]
[2024-11-08 18:23:55,517 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3757]
[2024-11-08 18:23:55,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3762]
[2024-11-08 18:23:55,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3764]
[2024-11-08 18:23:55,519 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3770]
[2024-11-08 18:23:55,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3772]
[2024-11-08 18:23:55,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3778]
[2024-11-08 18:23:55,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3780]
[2024-11-08 18:23:55,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3786]
[2024-11-08 18:23:55,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3788]
[2024-11-08 18:23:55,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3794]
[2024-11-08 18:23:55,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3796]
[2024-11-08 18:23:55,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3802]
[2024-11-08 18:23:55,524 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3804]
[2024-11-08 18:23:55,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3810]
[2024-11-08 18:23:55,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3812]
[2024-11-08 18:23:55,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3817]
[2024-11-08 18:23:55,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3819]
[2024-11-08 18:23:55,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3824]
[2024-11-08 18:23:55,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3826]
[2024-11-08 18:23:55,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3831]
[2024-11-08 18:23:55,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3833]
[2024-11-08 18:23:55,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3838]
[2024-11-08 18:23:55,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3840]
[2024-11-08 18:23:55,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3845]
[2024-11-08 18:23:55,529 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3847]
[2024-11-08 18:23:55,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3852]
[2024-11-08 18:23:55,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3855]
[2024-11-08 18:23:55,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3861]
[2024-11-08 18:23:55,531 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3864]
[2024-11-08 18:23:55,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3870]
[2024-11-08 18:23:55,532 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3873]
[2024-11-08 18:23:55,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3879]
[2024-11-08 18:23:55,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3882]
[2024-11-08 18:23:55,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3888]
[2024-11-08 18:23:55,534 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3891]
[2024-11-08 18:23:55,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3897]
[2024-11-08 18:23:55,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3900]
[2024-11-08 18:23:55,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3907]
[2024-11-08 18:23:55,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3910]
[2024-11-08 18:23:55,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3917]
[2024-11-08 18:23:55,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3920]
[2024-11-08 18:23:55,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3927]
[2024-11-08 18:23:55,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3930]
[2024-11-08 18:23:55,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3937]
[2024-11-08 18:23:55,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3940]
[2024-11-08 18:23:55,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3947]
[2024-11-08 18:23:55,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3950]
[2024-11-08 18:23:55,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3957]
[2024-11-08 18:23:55,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3960]
[2024-11-08 18:23:55,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3966]
[2024-11-08 18:23:55,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3969]
[2024-11-08 18:23:55,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3975]
[2024-11-08 18:23:55,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3978]
[2024-11-08 18:23:55,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3984]
[2024-11-08 18:23:55,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3987]
[2024-11-08 18:23:55,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3993]
[2024-11-08 18:23:55,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [3996]
[2024-11-08 18:23:55,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4002]
[2024-11-08 18:23:55,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4005]
[2024-11-08 18:23:55,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4011]
[2024-11-08 18:23:55,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4014]
[2024-11-08 18:23:55,550 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4020]
[2024-11-08 18:23:55,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4023]
[2024-11-08 18:23:55,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4029]
[2024-11-08 18:23:55,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4032]
[2024-11-08 18:23:55,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4038]
[2024-11-08 18:23:55,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4041]
[2024-11-08 18:23:55,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4047]
[2024-11-08 18:23:55,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4050]
[2024-11-08 18:23:55,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4056]
[2024-11-08 18:23:55,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4059]
[2024-11-08 18:23:55,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4065]
[2024-11-08 18:23:55,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4068]
[2024-11-08 18:23:55,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4074]
[2024-11-08 18:23:55,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4077]
[2024-11-08 18:23:55,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4083]
[2024-11-08 18:23:55,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4086]
[2024-11-08 18:23:55,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4092]
[2024-11-08 18:23:55,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4095]
[2024-11-08 18:23:55,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4101]
[2024-11-08 18:23:55,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4103]
[2024-11-08 18:23:55,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4109]
[2024-11-08 18:23:55,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4111]
[2024-11-08 18:23:55,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4117]
[2024-11-08 18:23:55,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4119]
[2024-11-08 18:23:55,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4125]
[2024-11-08 18:23:55,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4127]
[2024-11-08 18:23:55,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4133]
[2024-11-08 18:23:55,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4135]
[2024-11-08 18:23:55,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4141]
[2024-11-08 18:23:55,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4143]
[2024-11-08 18:23:55,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4149]
[2024-11-08 18:23:55,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4151]
[2024-11-08 18:23:55,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4157]
[2024-11-08 18:23:55,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4159]
[2024-11-08 18:23:55,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4165]
[2024-11-08 18:23:55,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4167]
[2024-11-08 18:23:55,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4173]
[2024-11-08 18:23:55,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4175]
[2024-11-08 18:23:55,658 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:23:56,120 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:23:56,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56 WrapperNode
[2024-11-08 18:23:56,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:23:56,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:23:56,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:23:56,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:23:56,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,331 INFO L138 Inliner]: procedures = 930, calls = 943, calls flagged for inlining = 835, calls inlined = 70, statements flattened = 647
[2024-11-08 18:23:56,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:23:56,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:23:56,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:23:56,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:23:56,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,357 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,405 INFO L175 MemorySlicer]: Split 27 memory accesses to 3 slices as follows [2, 3, 22]. 81 percent of accesses are in the largest equivalence class. The 5 initializations are split as follows [2, 0, 3]. The 8 writes are split as follows [0, 2, 6].
[2024-11-08 18:23:56,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,480 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:23:56,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:23:56,485 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:23:56,485 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:23:56,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (1/1) ...
[2024-11-08 18:23:56,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:23:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:23:56,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:23:56,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28b223d4-688c-4226-b49b-a7bec8644c39/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:23:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure reader
[2024-11-08 18:23:56,558 INFO L138 BoogieDeclarations]: Found implementation of procedure reader
[2024-11-08 18:23:56,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 18:23:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 18:23:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-08 18:23:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:23:56,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:23:56,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:23:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 18:23:56,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 18:23:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 18:23:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-08 18:23:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 18:23:56,561 INFO L130 BoogieDeclarations]: Found specification of procedure writer
[2024-11-08 18:23:56,561 INFO L138 BoogieDeclarations]: Found implementation of procedure writer
[2024-11-08 18:23:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:23:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 18:23:56,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-08 18:23:56,564 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 18:23:56,833 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:23:56,835 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:23:57,872 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 18:23:57,873 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:23:58,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:23:58,395 INFO L316 CfgBuilder]: Removed 123 assume(true) statements.
[2024-11-08 18:23:58,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:58 BoogieIcfgContainer
[2024-11-08 18:23:58,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:23:58,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:23:58,400 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:23:58,404 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:23:58,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:23:52" (1/3) ...
[2024-11-08 18:23:58,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726e00c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:23:58, skipping insertion in model container
[2024-11-08 18:23:58,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:56" (2/3) ...
[2024-11-08 18:23:58,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@726e00c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:23:58, skipping insertion in model container
[2024-11-08 18:23:58,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:58" (3/3) ...
[2024-11-08 18:23:58,409 INFO L112 eAbstractionObserver]: Analyzing ICFG rwlock.i
[2024-11-08 18:23:58,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:23:58,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations.
[2024-11-08 18:23:58,429 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 18:23:58,665 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-08 18:23:58,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 259 places, 382 transitions, 778 flow
[2024-11-08 18:23:58,982 INFO L124 PetriNetUnfolderBase]: 232/699 cut-off events.
[2024-11-08 18:23:58,983 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-11-08 18:23:59,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 699 events. 232/699 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3716 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 420. Up to 12 conditions per place.
[2024-11-08 18:23:59,010 INFO L82 GeneralOperation]: Start removeDead. Operand has 259 places, 382 transitions, 778 flow
[2024-11-08 18:23:59,038 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 259 places, 382 transitions, 778 flow
[2024-11-08 18:23:59,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:23:59,061 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;@660df8ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:23:59,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 89 error locations.
[2024-11-08 18:23:59,065 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 18:23:59,068 INFO L124 PetriNetUnfolderBase]: 6/20 cut-off events.
[2024-11-08 18:23:59,068 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 18:23:59,068 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:23:59,070 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 18:23:59,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] ===
[2024-11-08 18:23:59,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:23:59,077 INFO L85 PathProgramCache]: Analyzing trace with hash 996514797, now seen corresponding path program 1 times
[2024-11-08 18:23:59,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:23:59,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972403357]
[2024-11-08 18:23:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:23:59,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:23:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:23:59,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:23:59,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972403357]
[2024-11-08 18:23:59,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972403357] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:23:59,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:23:59,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:23:59,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628728926]
[2024-11-08 18:23:59,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:23:59,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 18:23:59,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:23:59,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 18:23:59,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 18:23:59,351 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 382
[2024-11-08 18:23:59,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 382 transitions, 778 flow. Second operand has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:23:59,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:23:59,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 382
[2024-11-08 18:23:59,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:24:15,457 INFO L124 PetriNetUnfolderBase]: 69604/125997 cut-off events.
[2024-11-08 18:24:15,457 INFO L125 PetriNetUnfolderBase]: For 188/188 co-relation queries the response was YES.
[2024-11-08 18:24:15,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227995 conditions, 125997 events. 69604/125997 cut-off events. For 188/188 co-relation queries the response was YES. Maximal size of possible extension queue 2900. Compared 1314534 event pairs, 60353 based on Foata normal form. 67916/170805 useless extension candidates. Maximal degree in co-relation 225144. Up to 101751 conditions per place.
[2024-11-08 18:24:16,234 INFO L140 encePairwiseOnDemand]: 264/382 looper letters, 145 selfloop transitions, 0 changer transitions 0/261 dead transitions.
[2024-11-08 18:24:16,235 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 261 transitions, 826 flow
[2024-11-08 18:24:16,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-08 18:24:16,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-11-08 18:24:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 495 transitions.
[2024-11-08 18:24:16,250 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6479057591623036
[2024-11-08 18:24:16,252 INFO L175 Difference]: Start difference. First operand has 259 places, 382 transitions, 778 flow. Second operand 2 states and 495 transitions.
[2024-11-08 18:24:16,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 261 transitions, 826 flow
[2024-11-08 18:24:16,259 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 261 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:24:16,264 INFO L231 Difference]: Finished difference. Result has 247 places, 261 transitions, 536 flow
[2024-11-08 18:24:16,266 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=536, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=261, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=536, PETRI_PLACES=247, PETRI_TRANSITIONS=261}
[2024-11-08 18:24:16,270 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -12 predicate places.
[2024-11-08 18:24:16,270 INFO L471 AbstractCegarLoop]: Abstraction has has 247 places, 261 transitions, 536 flow
[2024-11-08 18:24:16,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:24:16,271 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:24:16,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:24:16,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:24:16,271 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] ===
[2024-11-08 18:24:16,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:24:16,272 INFO L85 PathProgramCache]: Analyzing trace with hash 948364554, now seen corresponding path program 1 times
[2024-11-08 18:24:16,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:24:16,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069875066]
[2024-11-08 18:24:16,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:24:16,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:24:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:24:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:24:16,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:24:16,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069875066]
[2024-11-08 18:24:16,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069875066] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:24:16,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:24:16,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 18:24:16,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369504003]
[2024-11-08 18:24:16,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:24:16,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:24:16,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:24:16,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:24:16,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:24:16,436 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 382
[2024-11-08 18:24:16,437 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 261 transitions, 536 flow. Second operand has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:24:16,437 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:24:16,437 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 382
[2024-11-08 18:24:16,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 18:24:32,120 INFO L124 PetriNetUnfolderBase]: 84299/151060 cut-off events.
[2024-11-08 18:24:32,121 INFO L125 PetriNetUnfolderBase]: For 182/182 co-relation queries the response was YES.
[2024-11-08 18:24:32,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 274372 conditions, 151060 events. 84299/151060 cut-off events. For 182/182 co-relation queries the response was YES. Maximal size of possible extension queue 3408. Compared 1579877 event pairs, 60464 based on Foata normal form. 0/123910 useless extension candidates. Maximal degree in co-relation 274367. Up to 101881 conditions per place.
[2024-11-08 18:24:32,880 INFO L140 encePairwiseOnDemand]: 377/382 looper letters, 269 selfloop transitions, 2 changer transitions 0/381 dead transitions.
[2024-11-08 18:24:32,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 381 transitions, 1318 flow
[2024-11-08 18:24:32,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 18:24:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 18:24:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions.
[2024-11-08 18:24:32,885 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5270506108202443
[2024-11-08 18:24:32,885 INFO L175 Difference]: Start difference. First operand has 247 places, 261 transitions, 536 flow. Second operand 3 states and 604 transitions.
[2024-11-08 18:24:32,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 381 transitions, 1318 flow
[2024-11-08 18:24:32,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 381 transitions, 1318 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-08 18:24:32,900 INFO L231 Difference]: Finished difference. Result has 246 places, 258 transitions, 534 flow
[2024-11-08 18:24:32,902 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=382, PETRI_DIFFERENCE_MINUEND_FLOW=530, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=258, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=256, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=534, PETRI_PLACES=246, PETRI_TRANSITIONS=258}
[2024-11-08 18:24:32,903 INFO L277 CegarLoopForPetriNet]: 259 programPoint places, -13 predicate places.
[2024-11-08 18:24:32,903 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 258 transitions, 534 flow
[2024-11-08 18:24:32,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.66666666666667) internal successors, (335), 3 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:24:32,904 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 18:24:32,904 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:24:32,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:24:32,904 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 86 more)] ===
[2024-11-08 18:24:32,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:24:32,905 INFO L85 PathProgramCache]: Analyzing trace with hash 948364555, now seen corresponding path program 1 times
[2024-11-08 18:24:32,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:24:32,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244520743]
[2024-11-08 18:24:32,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:24:32,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:24:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:24:33,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:24:33,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:24:33,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244520743]
[2024-11-08 18:24:33,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244520743] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:24:33,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:24:33,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:24:33,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177051755]
[2024-11-08 18:24:33,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:24:33,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:24:33,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:24:33,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:24:33,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:24:33,300 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 382
[2024-11-08 18:24:33,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 258 transitions, 534 flow. Second operand has 4 states, 4 states have (on average 113.5) internal successors, (454), 4 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:24:33,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 18:24:33,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 382
[2024-11-08 18:24:33,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand