./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 e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d32fe1c21688ba35bf4df709c44c653627e880728901b145cb85c74d8074e0d5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:31:33,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:31:34,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-03-09 01:31:34,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:31:34,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:31:34,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:31:34,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:31:34,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:31:34,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:31:34,027 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:31:34,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:31:34,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:31:34,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:31:34,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:31:34,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:31:34,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:31:34,029 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:31:34,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:31:34,029 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d32fe1c21688ba35bf4df709c44c653627e880728901b145cb85c74d8074e0d5 [2025-03-09 01:31:34,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:31:34,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:31:34,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:31:34,235 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:31:34,235 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:31:34,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2025-03-09 01:31:35,390 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7b38074/2e7b5ba9e98f43d8b1dba18e65465cd9/FLAG4e79d5b86 [2025-03-09 01:31:35,851 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:31:35,852 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2025-03-09 01:31:35,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7b38074/2e7b5ba9e98f43d8b1dba18e65465cd9/FLAG4e79d5b86 [2025-03-09 01:31:35,958 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba7b38074/2e7b5ba9e98f43d8b1dba18e65465cd9 [2025-03-09 01:31:35,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:31:35,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:31:35,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:31:35,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:31:35,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:31:35,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:31:35" (1/1) ... [2025-03-09 01:31:35,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7162f98d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:35, skipping insertion in model container [2025-03-09 01:31:35,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:31:35" (1/1) ... [2025-03-09 01:31:36,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:31:37,273 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:37,280 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:37,280 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:37,286 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:37,287 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:37,439 WARN L1100 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2025-03-09 01:31:37,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:31:37,453 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:31:37,536 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2025-03-09 01:31:37,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2025-03-09 01:31:37,538 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2025-03-09 01:31:37,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2025-03-09 01:31:37,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2025-03-09 01:31:37,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2025-03-09 01:31:37,540 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2025-03-09 01:31:37,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2025-03-09 01:31:37,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2025-03-09 01:31:37,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2025-03-09 01:31:37,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2025-03-09 01:31:37,542 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2025-03-09 01:31:37,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2025-03-09 01:31:37,544 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2025-03-09 01:31:37,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2025-03-09 01:31:37,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2025-03-09 01:31:37,545 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2025-03-09 01:31:37,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2025-03-09 01:31:37,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2025-03-09 01:31:37,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2025-03-09 01:31:37,547 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2025-03-09 01:31:37,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2025-03-09 01:31:37,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2025-03-09 01:31:37,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2025-03-09 01:31:37,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2025-03-09 01:31:37,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2025-03-09 01:31:37,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2025-03-09 01:31:37,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2025-03-09 01:31:37,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2025-03-09 01:31:37,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2025-03-09 01:31:37,549 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2025-03-09 01:31:37,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2025-03-09 01:31:37,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2025-03-09 01:31:37,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2025-03-09 01:31:37,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2025-03-09 01:31:37,552 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2025-03-09 01:31:37,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2025-03-09 01:31:37,553 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2025-03-09 01:31:37,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2025-03-09 01:31:37,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2025-03-09 01:31:37,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2025-03-09 01:31:37,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2025-03-09 01:31:37,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2025-03-09 01:31:37,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2025-03-09 01:31:37,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2025-03-09 01:31:37,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2025-03-09 01:31:37,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2025-03-09 01:31:37,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2025-03-09 01:31:37,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2025-03-09 01:31:37,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2025-03-09 01:31:37,558 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2025-03-09 01:31:37,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2025-03-09 01:31:37,559 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2025-03-09 01:31:37,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2025-03-09 01:31:37,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2025-03-09 01:31:37,560 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2025-03-09 01:31:37,561 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2025-03-09 01:31:37,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2025-03-09 01:31:37,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2025-03-09 01:31:37,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2025-03-09 01:31:37,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2025-03-09 01:31:37,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2025-03-09 01:31:37,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2025-03-09 01:31:37,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2025-03-09 01:31:37,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2025-03-09 01:31:37,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2025-03-09 01:31:37,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2025-03-09 01:31:37,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2025-03-09 01:31:37,566 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2025-03-09 01:31:37,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2025-03-09 01:31:37,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2025-03-09 01:31:37,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2025-03-09 01:31:37,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2025-03-09 01:31:37,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2025-03-09 01:31:37,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2025-03-09 01:31:37,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2025-03-09 01:31:37,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2025-03-09 01:31:37,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2025-03-09 01:31:37,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2025-03-09 01:31:37,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2025-03-09 01:31:37,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2025-03-09 01:31:37,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2025-03-09 01:31:37,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2025-03-09 01:31:37,570 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2025-03-09 01:31:37,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2025-03-09 01:31:37,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2025-03-09 01:31:37,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2025-03-09 01:31:37,573 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2025-03-09 01:31:37,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2025-03-09 01:31:37,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2025-03-09 01:31:37,574 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2025-03-09 01:31:37,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2025-03-09 01:31:37,575 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2025-03-09 01:31:37,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2025-03-09 01:31:37,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2025-03-09 01:31:37,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2025-03-09 01:31:37,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2025-03-09 01:31:37,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2025-03-09 01:31:37,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2025-03-09 01:31:37,577 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2025-03-09 01:31:37,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:31:37,825 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:31:37,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37 WrapperNode [2025-03-09 01:31:37,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:31:37,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:31:37,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:31:37,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:31:37,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:37,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:37,932 INFO L138 Inliner]: procedures = 915, calls = 983, calls flagged for inlining = 827, calls inlined = 71, statements flattened = 751 [2025-03-09 01:31:37,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:31:37,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:31:37,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:31:37,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:31:37,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:37,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:37,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:37,974 INFO L175 MemorySlicer]: Split 74 memory accesses to 8 slices as follows [2, 3, 3, 7, 3, 8, 7, 41]. 55 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 1, 0, 4, 1, 4, 4, 7]. The 21 writes are split as follows [0, 1, 2, 1, 1, 2, 1, 13]. [2025-03-09 01:31:37,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:37,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:37,999 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:38,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:38,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:38,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:38,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:31:38,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:31:38,010 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:31:38,010 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:31:38,011 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (1/1) ... [2025-03-09 01:31:38,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:31:38,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:31:38,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-09 01:31:38,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-09 01:31:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2025-03-09 01:31:38,057 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2025-03-09 01:31:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-09 01:31:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-09 01:31:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-09 01:31:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-09 01:31:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-09 01:31:38,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-09 01:31:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:31:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-09 01:31:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2025-03-09 01:31:38,060 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-09 01:31:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-09 01:31:38,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-09 01:31:38,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-09 01:31:38,063 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-09 01:31:38,278 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:31:38,280 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:31:38,674 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-03-09 01:31:38,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2668: havoc vatomic32_get_inc_rlx_#t~ret160#1; [2025-03-09 01:31:38,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6038: havoc ~#xbo~1#1.base, ~#xbo~1#1.offset; [2025-03-09 01:31:38,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6038-1: SUMMARY for call ULTIMATE.dealloc(~#xbo~1#1.base, ~#xbo~1#1.offset); srcloc: null [2025-03-09 01:31:38,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-09 01:31:38,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5069: havoc vatomic32_get_inc_#t~ret581#1; [2025-03-09 01:31:38,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-09 01:31:38,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-9: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-09 01:31:38,676 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2808: havoc vatomic32_await_eq_rlx_#t~ret172#1; [2025-03-09 01:31:39,063 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6081: havoc main_~#r~1#1.base, main_~#r~1#1.offset; [2025-03-09 01:31:39,063 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6081-1: SUMMARY for call ULTIMATE.dealloc(main_~#r~1#1.base, main_~#r~1#1.offset); srcloc: null [2025-03-09 01:31:39,063 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-03-09 01:31:39,063 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6058: havoc main_~#t~0#1.base, main_~#t~0#1.offset; [2025-03-09 01:31:39,063 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6058-1: SUMMARY for call ULTIMATE.dealloc(main_~#t~0#1.base, main_~#t~0#1.offset); srcloc: null [2025-03-09 01:31:39,063 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-09 01:31:39,064 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443-9: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-09 01:31:39,064 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2808: havoc vatomic32_await_eq_rlx_#t~ret172#1; [2025-03-09 01:31:39,194 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2483: havoc vatomic32_cmpxchg_rel_#t~ret123#1; [2025-03-09 01:31:39,194 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6021: havoc ~#xbo~0#1.base, ~#xbo~0#1.offset; [2025-03-09 01:31:39,194 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6021-1: SUMMARY for call ULTIMATE.dealloc(~#xbo~0#1.base, ~#xbo~0#1.offset); srcloc: null [2025-03-09 01:31:39,194 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2438: havoc vatomic32_read_rlx_#t~ret116#1; [2025-03-09 01:31:39,194 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2443: havoc vatomic32_read_acq_#t~ret117#1; [2025-03-09 01:31:39,195 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-09 01:31:39,195 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:31:39,593 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:31:39,594 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:31:39,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:31:39 BoogieIcfgContainer [2025-03-09 01:31:39,595 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:31:39,598 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:31:39,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:31:39,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:31:39,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:31:35" (1/3) ... [2025-03-09 01:31:39,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5c85a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:31:39, skipping insertion in model container [2025-03-09 01:31:39,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:31:37" (2/3) ... [2025-03-09 01:31:39,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c5c85a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:31:39, skipping insertion in model container [2025-03-09 01:31:39,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:31:39" (3/3) ... [2025-03-09 01:31:39,604 INFO L128 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_empty.i [2025-03-09 01:31:39,616 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:31:39,618 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG bounded_mpmc_check_empty.i that has 3 procedures, 290 locations, 1 initial locations, 26 loop locations, and 110 error locations. [2025-03-09 01:31:39,618 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-09 01:31:39,797 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-09 01:31:39,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 296 places, 378 transitions, 770 flow [2025-03-09 01:31:39,961 INFO L124 PetriNetUnfolderBase]: 241/961 cut-off events. [2025-03-09 01:31:39,962 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-09 01:31:39,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 961 events. 241/961 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 5819 event pairs, 0 based on Foata normal form. 0/452 useless extension candidates. Maximal degree in co-relation 483. Up to 16 conditions per place. [2025-03-09 01:31:39,976 INFO L82 GeneralOperation]: Start removeDead. Operand has 296 places, 378 transitions, 770 flow [2025-03-09 01:31:39,994 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 296 places, 378 transitions, 770 flow [2025-03-09 01:31:40,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:31:40,011 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;@4cfa7d57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:31:40,012 INFO L334 AbstractCegarLoop]: Starting to check reachability of 168 error locations. [2025-03-09 01:31:40,017 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-09 01:31:40,017 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2025-03-09 01:31:40,017 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-09 01:31:40,018 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:31:40,018 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 01:31:40,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-03-09 01:31:40,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:31:40,022 INFO L85 PathProgramCache]: Analyzing trace with hash 71276907, now seen corresponding path program 1 times [2025-03-09 01:31:40,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:31:40,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453226409] [2025-03-09 01:31:40,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:31:40,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:31:40,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 01:31:40,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 01:31:40,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:31:40,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:31:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:31:40,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:31:40,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453226409] [2025-03-09 01:31:40,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453226409] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:31:40,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:31:40,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:31:40,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749845178] [2025-03-09 01:31:40,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:31:40,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 01:31:40,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:31:40,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 01:31:40,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 01:31:40,175 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 378 [2025-03-09 01:31:40,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 378 transitions, 770 flow. Second operand has 2 states, 2 states have (on average 120.5) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:31:40,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:31:40,177 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 378 [2025-03-09 01:31:40,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-09 01:32:00,983 INFO L124 PetriNetUnfolderBase]: 193683/339590 cut-off events. [2025-03-09 01:32:00,984 INFO L125 PetriNetUnfolderBase]: For 224/226 co-relation queries the response was YES. [2025-03-09 01:32:01,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618986 conditions, 339590 events. 193683/339590 cut-off events. For 224/226 co-relation queries the response was YES. Maximal size of possible extension queue 5850. Compared 3563416 event pairs, 161787 based on Foata normal form. 45621/263235 useless extension candidates. Maximal degree in co-relation 602943. Up to 279253 conditions per place. [2025-03-09 01:32:02,671 INFO L140 encePairwiseOnDemand]: 302/378 looper letters, 176 selfloop transitions, 0 changer transitions 0/295 dead transitions. [2025-03-09 01:32:02,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 282 places, 295 transitions, 956 flow [2025-03-09 01:32:02,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 01:32:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-03-09 01:32:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 490 transitions. [2025-03-09 01:32:02,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6481481481481481 [2025-03-09 01:32:02,682 INFO L175 Difference]: Start difference. First operand has 296 places, 378 transitions, 770 flow. Second operand 2 states and 490 transitions. [2025-03-09 01:32:02,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 282 places, 295 transitions, 956 flow [2025-03-09 01:32:02,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 295 transitions, 956 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-09 01:32:02,695 INFO L231 Difference]: Finished difference. Result has 282 places, 295 transitions, 604 flow [2025-03-09 01:32:02,697 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=378, PETRI_DIFFERENCE_MINUEND_FLOW=604, PETRI_DIFFERENCE_MINUEND_PLACES=281, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=604, PETRI_PLACES=282, PETRI_TRANSITIONS=295} [2025-03-09 01:32:02,701 INFO L279 CegarLoopForPetriNet]: 296 programPoint places, -14 predicate places. [2025-03-09 01:32:02,701 INFO L471 AbstractCegarLoop]: Abstraction has has 282 places, 295 transitions, 604 flow [2025-03-09 01:32:02,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 120.5) internal successors, (241), 2 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:32:02,701 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-09 01:32:02,701 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-03-09 01:32:02,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:32:02,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_LEAK === [readerErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2025-03-09 01:32:02,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:32:02,703 INFO L85 PathProgramCache]: Analyzing trace with hash 71274079, now seen corresponding path program 1 times [2025-03-09 01:32:02,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:32:02,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409024783] [2025-03-09 01:32:02,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:32:02,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:32:02,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-09 01:32:02,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-09 01:32:02,724 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:32:02,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:32:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:32:02,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:32:02,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409024783] [2025-03-09 01:32:02,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409024783] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:32:02,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:32:02,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:32:02,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481855037] [2025-03-09 01:32:02,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:32:02,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:32:02,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:32:02,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:32:02,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:32:02,808 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 378 [2025-03-09 01:32:02,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 282 places, 295 transitions, 604 flow. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:32:02,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-09 01:32:02,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 378 [2025-03-09 01:32:02,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand