./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 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/libvsync/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 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 21:54:17,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 21:54:17,394 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-22 21:54:17,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 21:54:17,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 21:54:17,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 21:54:17,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 21:54:17,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 21:54:17,427 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 21:54:17,428 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 21:54:17,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 21:54:17,428 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 21:54:17,429 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 21:54:17,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 21:54:17,429 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 21:54:17,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 21:54:17,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 21:54:17,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 21:54:17,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 21:54:17,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 21:54:17,431 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-22 21:54:17,433 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-22 21:54:17,433 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-22 21:54:17,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 21:54:17,434 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 21:54:17,434 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 21:54:17,434 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 21:54:17,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 21:54:17,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 21:54:17,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 21:54:17,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 21:54:17,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 21:54:17,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 21:54:17,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:54:17,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 21:54:17,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 21:54:17,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 21:54:17,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 21:54:17,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 21:54:17,437 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 21:54:17,437 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 21:54:17,438 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 21:54:17,438 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d32fe1c21688ba35bf4df709c44c653627e880728901b145cb85c74d8074e0d5 [2024-11-22 21:54:17,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 21:54:17,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 21:54:17,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 21:54:17,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 21:54:17,692 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 21:54:17,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2024-11-22 21:54:18,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 21:54:19,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 21:54:19,278 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/libvsync/bounded_mpmc_check_empty.i [2024-11-22 21:54:19,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a11fe8f/524036cf5634443d858b102798d8f346/FLAG38c023e10 [2024-11-22 21:54:19,548 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55a11fe8f/524036cf5634443d858b102798d8f346 [2024-11-22 21:54:19,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 21:54:19,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 21:54:19,552 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 21:54:19,552 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 21:54:19,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 21:54:19,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:19" (1/1) ... [2024-11-22 21:54:19,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b9f56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:19, skipping insertion in model container [2024-11-22 21:54:19,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:54:19" (1/1) ... [2024-11-22 21:54:19,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 21:54:20,879 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 21:54:20,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 21:54:20,887 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 21:54:20,891 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 21:54:20,891 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 21:54:20,975 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 21:54:20,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:54:20,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 21:54:21,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4308] [2024-11-22 21:54:21,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4310] [2024-11-22 21:54:21,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4315] [2024-11-22 21:54:21,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4317] [2024-11-22 21:54:21,101 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4323] [2024-11-22 21:54:21,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4325] [2024-11-22 21:54:21,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4331] [2024-11-22 21:54:21,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4333] [2024-11-22 21:54:21,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4339] [2024-11-22 21:54:21,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4341] [2024-11-22 21:54:21,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4347] [2024-11-22 21:54:21,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4349] [2024-11-22 21:54:21,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4355] [2024-11-22 21:54:21,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4357] [2024-11-22 21:54:21,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4363] [2024-11-22 21:54:21,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4365] [2024-11-22 21:54:21,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4370] [2024-11-22 21:54:21,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4372] [2024-11-22 21:54:21,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4377] [2024-11-22 21:54:21,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4379] [2024-11-22 21:54:21,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4384] [2024-11-22 21:54:21,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4386] [2024-11-22 21:54:21,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4391] [2024-11-22 21:54:21,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4393] [2024-11-22 21:54:21,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4398] [2024-11-22 21:54:21,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4400] [2024-11-22 21:54:21,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4405] [2024-11-22 21:54:21,107 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4408] [2024-11-22 21:54:21,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4414] [2024-11-22 21:54:21,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4417] [2024-11-22 21:54:21,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4423] [2024-11-22 21:54:21,108 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4426] [2024-11-22 21:54:21,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4432] [2024-11-22 21:54:21,110 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4435] [2024-11-22 21:54:21,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4441] [2024-11-22 21:54:21,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4444] [2024-11-22 21:54:21,111 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4450] [2024-11-22 21:54:21,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4453] [2024-11-22 21:54:21,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4460] [2024-11-22 21:54:21,112 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4463] [2024-11-22 21:54:21,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4470] [2024-11-22 21:54:21,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4473] [2024-11-22 21:54:21,113 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4480] [2024-11-22 21:54:21,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4483] [2024-11-22 21:54:21,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4490] [2024-11-22 21:54:21,114 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4493] [2024-11-22 21:54:21,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4500] [2024-11-22 21:54:21,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4503] [2024-11-22 21:54:21,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4510] [2024-11-22 21:54:21,115 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4513] [2024-11-22 21:54:21,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4519] [2024-11-22 21:54:21,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4522] [2024-11-22 21:54:21,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4528] [2024-11-22 21:54:21,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4531] [2024-11-22 21:54:21,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4537] [2024-11-22 21:54:21,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4540] [2024-11-22 21:54:21,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4546] [2024-11-22 21:54:21,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4549] [2024-11-22 21:54:21,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4555] [2024-11-22 21:54:21,118 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4558] [2024-11-22 21:54:21,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4564] [2024-11-22 21:54:21,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4567] [2024-11-22 21:54:21,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4573] [2024-11-22 21:54:21,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4576] [2024-11-22 21:54:21,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4582] [2024-11-22 21:54:21,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4585] [2024-11-22 21:54:21,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4591] [2024-11-22 21:54:21,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4594] [2024-11-22 21:54:21,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4600] [2024-11-22 21:54:21,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4603] [2024-11-22 21:54:21,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4609] [2024-11-22 21:54:21,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4612] [2024-11-22 21:54:21,123 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4618] [2024-11-22 21:54:21,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4621] [2024-11-22 21:54:21,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4627] [2024-11-22 21:54:21,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4630] [2024-11-22 21:54:21,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4636] [2024-11-22 21:54:21,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4639] [2024-11-22 21:54:21,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4645] [2024-11-22 21:54:21,126 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4648] [2024-11-22 21:54:21,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4654] [2024-11-22 21:54:21,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4656] [2024-11-22 21:54:21,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4662] [2024-11-22 21:54:21,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4664] [2024-11-22 21:54:21,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4670] [2024-11-22 21:54:21,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4672] [2024-11-22 21:54:21,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4678] [2024-11-22 21:54:21,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4680] [2024-11-22 21:54:21,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4686] [2024-11-22 21:54:21,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4688] [2024-11-22 21:54:21,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4694] [2024-11-22 21:54:21,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4696] [2024-11-22 21:54:21,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4702] [2024-11-22 21:54:21,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4704] [2024-11-22 21:54:21,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4710] [2024-11-22 21:54:21,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4712] [2024-11-22 21:54:21,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4718] [2024-11-22 21:54:21,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4720] [2024-11-22 21:54:21,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4726] [2024-11-22 21:54:21,133 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" ::: "memory"); [4728] [2024-11-22 21:54:21,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 21:54:21,534 INFO L204 MainTranslator]: Completed translation [2024-11-22 21:54:21,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21 WrapperNode [2024-11-22 21:54:21,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 21:54:21,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 21:54:21,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 21:54:21,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 21:54:21,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,647 INFO L138 Inliner]: procedures = 915, calls = 983, calls flagged for inlining = 827, calls inlined = 71, statements flattened = 802 [2024-11-22 21:54:21,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 21:54:21,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 21:54:21,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 21:54:21,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 21:54:21,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,692 INFO L175 MemorySlicer]: Split 74 memory accesses to 8 slices as follows [7, 2, 3, 41, 8, 3, 7, 3]. 55 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [4, 2, 1, 7, 4, 0, 4, 1]. The 21 writes are split as follows [1, 0, 1, 13, 2, 2, 1, 1]. [2024-11-22 21:54:21,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 21:54:21,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 21:54:21,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 21:54:21,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 21:54:21,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (1/1) ... [2024-11-22 21:54:21,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 21:54:21,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 21:54:21,783 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 21:54:21,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 21:54:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2024-11-22 21:54:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2024-11-22 21:54:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 21:54:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 21:54:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 21:54:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 21:54:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 21:54:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 21:54:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 21:54:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 21:54:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 21:54:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 21:54:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 21:54:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 21:54:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 21:54:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2024-11-22 21:54:21,822 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 21:54:21,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 21:54:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 21:54:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 21:54:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 21:54:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 21:54:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 21:54:21,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 21:54:21,825 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-22 21:54:22,022 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 21:54:22,024 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 21:54:22,788 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-22 21:54:22,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 21:54:23,188 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 21:54:23,188 INFO L316 CfgBuilder]: Removed 68 assume(true) statements. [2024-11-22 21:54:23,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:23 BoogieIcfgContainer [2024-11-22 21:54:23,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 21:54:23,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 21:54:23,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 21:54:23,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 21:54:23,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:54:19" (1/3) ... [2024-11-22 21:54:23,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d747dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:54:23, skipping insertion in model container [2024-11-22 21:54:23,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:54:21" (2/3) ... [2024-11-22 21:54:23,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d747dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:54:23, skipping insertion in model container [2024-11-22 21:54:23,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:54:23" (3/3) ... [2024-11-22 21:54:23,195 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_mpmc_check_empty.i [2024-11-22 21:54:23,209 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 21:54:23,210 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 110 error locations. [2024-11-22 21:54:23,210 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-22 21:54:23,369 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-22 21:54:23,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 391 transitions, 796 flow [2024-11-22 21:54:23,561 INFO L124 PetriNetUnfolderBase]: 241/1001 cut-off events. [2024-11-22 21:54:23,561 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-22 21:54:23,579 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 40. Compared 6138 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. [2024-11-22 21:54:23,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 309 places, 391 transitions, 796 flow [2024-11-22 21:54:23,597 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 309 places, 391 transitions, 796 flow [2024-11-22 21:54:23,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 21:54:23,617 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;@17f7f13e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 21:54:23,618 INFO L334 AbstractCegarLoop]: Starting to check reachability of 168 error locations. [2024-11-22 21:54:23,620 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-22 21:54:23,620 INFO L124 PetriNetUnfolderBase]: 6/16 cut-off events. [2024-11-22 21:54:23,620 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-22 21:54:23,621 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-22 21:54:23,621 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-22 21:54:23,621 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [readerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, readerErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 165 more)] === [2024-11-22 21:54:23,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 21:54:23,625 INFO L85 PathProgramCache]: Analyzing trace with hash 80483223, now seen corresponding path program 1 times [2024-11-22 21:54:23,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 21:54:23,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93499321] [2024-11-22 21:54:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 21:54:23,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 21:54:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 21:54:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 21:54:23,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 21:54:23,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93499321] [2024-11-22 21:54:23,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93499321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 21:54:23,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 21:54:23,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 21:54:23,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531620537] [2024-11-22 21:54:23,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 21:54:23,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 21:54:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 21:54:23,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 21:54:23,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 21:54:23,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 391 [2024-11-22 21:54:23,820 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) [2024-11-22 21:54:23,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-22 21:54:23,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 391 [2024-11-22 21:54:23,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand