./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC --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 d32fe1c21688ba35bf4df709c44c653627e880728901b145cb85c74d8074e0d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:59:48,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:59:48,451 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-24 01:59:48,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:59:48,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:59:48,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:59:48,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:59:48,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:59:48,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:59:48,495 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:59:48,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:59:48,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:59:48,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:59:48,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:59:48,498 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:59:48,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-24 01:59:48,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:59:48,500 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:59:48,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:59:48,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:59:48,500 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:59:48,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:59:48,501 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:59:48,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:59:48,501 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:59:48,501 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:59:48,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:59:48,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:59:48,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:59:48,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:59:48,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:59:48,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:59:48,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:59:48,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:59:48,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:59:48,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:59:48,503 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:59:48,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:59:48,503 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:59:48,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:59:48,504 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC 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 -> d32fe1c21688ba35bf4df709c44c653627e880728901b145cb85c74d8074e0d5 [2024-11-24 01:59:48,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:59:48,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:59:48,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:59:48,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:59:48,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:59:48,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2024-11-24 01:59:51,797 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/data/67861d6ba/ae0f1f25de0b4779a6abede41582aa9f/FLAG62085e251 [2024-11-24 01:59:52,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:59:52,540 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2024-11-24 01:59:52,593 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/data/67861d6ba/ae0f1f25de0b4779a6abede41582aa9f/FLAG62085e251 [2024-11-24 01:59:52,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/data/67861d6ba/ae0f1f25de0b4779a6abede41582aa9f [2024-11-24 01:59:52,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:59:52,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:59:52,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:59:52,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:59:52,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:59:52,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:59:52" (1/1) ... [2024-11-24 01:59:52,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@491c91cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:52, skipping insertion in model container [2024-11-24 01:59:52,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:59:52" (1/1) ... [2024-11-24 01:59:52,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:59:55,721 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:59:55,727 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:59:55,727 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:59:55,733 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:59:55,734 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:59:55,911 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 01:59:55,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:59:55,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:59:56,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-24 01:59:56,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-24 01:59:56,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-24 01:59:56,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-24 01:59:56,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-24 01:59:56,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-24 01:59:56,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-24 01:59:56,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-24 01:59:56,064 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-24 01:59:56,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-24 01:59:56,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-24 01:59:56,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-24 01:59:56,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-24 01:59:56,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-24 01:59:56,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-24 01:59:56,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-24 01:59:56,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-24 01:59:56,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-24 01:59:56,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-24 01:59:56,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-24 01:59:56,070 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-24 01:59:56,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-24 01:59:56,072 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-24 01:59:56,073 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-24 01:59:56,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-24 01:59:56,074 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-24 01:59:56,075 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-24 01:59:56,076 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-24 01:59:56,077 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-24 01:59:56,078 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-24 01:59:56,079 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-24 01:59:56,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-24 01:59:56,080 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-24 01:59:56,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-24 01:59:56,081 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-24 01:59:56,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-24 01:59:56,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-24 01:59:56,084 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-24 01:59:56,085 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-24 01:59:56,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-24 01:59:56,086 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-24 01:59:56,088 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-24 01:59:56,089 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-24 01:59:56,090 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-24 01:59:56,091 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-24 01:59:56,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-24 01:59:56,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-24 01:59:56,095 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-24 01:59:56,096 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-24 01:59:56,097 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-24 01:59:56,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-24 01:59:56,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-24 01:59:56,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-24 01:59:56,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-24 01:59:56,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-24 01:59:56,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-24 01:59:56,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-24 01:59:56,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-24 01:59:56,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-24 01:59:56,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-24 01:59:56,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-24 01:59:56,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-24 01:59:56,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-24 01:59:56,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-24 01:59:56,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-24 01:59:56,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-24 01:59:56,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-24 01:59:56,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-24 01:59:56,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-24 01:59:56,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-24 01:59:56,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-24 01:59:56,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-24 01:59:56,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-24 01:59:56,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-24 01:59:56,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-24 01:59:56,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-24 01:59:56,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-24 01:59:56,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-24 01:59:56,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-24 01:59:56,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-24 01:59:56,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-24 01:59:56,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-24 01:59:56,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-24 01:59:56,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-24 01:59:56,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-24 01:59:56,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-24 01:59:56,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-24 01:59:56,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-24 01:59:56,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-24 01:59:56,132 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-24 01:59:56,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-24 01:59:56,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-24 01:59:56,135 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-24 01:59:56,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-24 01:59:56,136 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-24 01:59:56,137 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-24 01:59:56,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-24 01:59:56,138 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-24 01:59:56,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-24 01:59:56,139 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-24 01:59:56,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:59:56,615 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:59:56,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56 WrapperNode [2024-11-24 01:59:56,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:59:56,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:59:56,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:59:56,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:59:56,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,842 INFO L138 Inliner]: procedures = 915, calls = 983, calls flagged for inlining = 827, calls inlined = 71, statements flattened = 763 [2024-11-24 01:59:56,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:59:56,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:59:56,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:59:56,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:59:56,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,864 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,923 INFO L175 MemorySlicer]: Split 74 memory accesses to 8 slices as follows [2, 7, 7, 41, 3, 3, 8, 3]. 55 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 4, 4, 7, 1, 0, 4, 1]. The 21 writes are split as follows [0, 1, 1, 13, 1, 2, 2, 1]. [2024-11-24 01:59:56,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:56,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:57,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:57,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:59:57,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:59:57,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:59:57,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:59:57,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (1/1) ... [2024-11-24 01:59:57,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:59:57,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:59:57,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:59:57,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d28082f-b624-4dab-b301-736fbe3e02b4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:59:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-24 01:59:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-24 01:59:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:59:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:59:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:59:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:59:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:59:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:59:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:59:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:59:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:59:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:59:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:59:57,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:59:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:59:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:59:57,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:59:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:59:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:59:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:59:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-24 01:59:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:59:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:59:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:59:57,144 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 01:59:57,484 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:59:57,487 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:59:59,130 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:59:59,130 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:59:59,927 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:59:59,928 INFO L312 CfgBuilder]: Removed 39 assume(true) statements. [2024-11-24 01:59:59,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:59:59 BoogieIcfgContainer [2024-11-24 01:59:59,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:59:59,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:59:59,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:59:59,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:59:59,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:59:52" (1/3) ... [2024-11-24 01:59:59,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5a286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:59:59, skipping insertion in model container [2024-11-24 01:59:59,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:59:56" (2/3) ... [2024-11-24 01:59:59,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5a286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:59:59, skipping insertion in model container [2024-11-24 01:59:59,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:59:59" (3/3) ... [2024-11-24 01:59:59,948 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_empty.i [2024-11-24 01:59:59,967 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:59:59,970 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_empty.i that has 3 procedures, 303 locations, 1 initial locations, 39 loop locations, and 110 error locations. [2024-11-24 01:59:59,972 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 02:00:00,211 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-24 02:00:00,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 391 transitions, 796 flow [2024-11-24 02:00:00,742 INFO L124 PetriNetUnfolderBase]: 241/1001 cut-off events. [2024-11-24 02:00:00,745 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-24 02:00:00,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1014 conditions, 1001 events. 241/1001 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 6102 event pairs, 0 based on Foata normal form. 0/492 useless extension candidates. Maximal degree in co-relation 503. Up to 12 conditions per place. [2024-11-24 02:00:00,768 INFO L82 GeneralOperation]: Start removeDead. Operand has 309 places, 391 transitions, 796 flow [2024-11-24 02:00:00,796 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 309 places, 391 transitions, 796 flow [2024-11-24 02:00:00,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:00:00,827 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;@1f2b1c4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:00:00,828 INFO L334 AbstractCegarLoop]: Starting to check reachability of 168 error locations. [2024-11-24 02:00:00,838 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 02:00:00,838 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-11-24 02:00:00,838 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 02:00:00,838 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 02:00:00,839 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-24 02:00:00,839 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2024-11-24 02:00:00,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:00:00,846 INFO L85 PathProgramCache]: Analyzing trace with hash 81841932, now seen corresponding path program 1 times [2024-11-24 02:00:00,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:00:00,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268565196] [2024-11-24 02:00:00,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:00:00,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:00:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:00:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:00:01,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:00:01,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268565196] [2024-11-24 02:00:01,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268565196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:00:01,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:00:01,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 02:00:01,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753588072] [2024-11-24 02:00:01,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:00:01,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:00:01,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:00:01,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:00:01,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:00:01,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 391 [2024-11-24 02:00:01,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 309 places, 391 transitions, 796 flow. Second operand has 2 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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) [2024-11-24 02:00:01,139 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 02:00:01,139 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 391 [2024-11-24 02:00:01,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand