./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_tail_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_tail_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e1cb53b0b4a16da3dbf2f20341c878664cce096875bbfc489951f2df98de6675 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:57:49,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:49,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 21:57:49,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:49,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:49,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:49,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:49,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:49,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:57:49,399 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:57:49,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:57:49,400 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:57:49,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:49,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:49,402 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:49,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:49,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:57:49,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:49,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:49,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:57:49,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:57:49,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:57:49,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:49,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 21:57:49,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:57:49,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:49,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:49,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:49,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:49,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:57:49,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:57:49,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:49,421 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:49,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:57:49,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:57:49,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:49,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:57:49,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:57:49,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:57:49,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:57:49,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:57:49,426 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1cb53b0b4a16da3dbf2f20341c878664cce096875bbfc489951f2df98de6675 [2024-10-31 21:57:49,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:49,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:49,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:49,794 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:49,795 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:49,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-coreutils/instrumented_tail_comb.i Unable to find full path for "g++" [2024-10-31 21:57:52,397 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:54,271 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:54,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/sv-benchmarks/c/goblint-coreutils/instrumented_tail_comb.i [2024-10-31 21:57:54,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/data/754f004ea/c298bf1056eb435e8f9991a86bc8c456/FLAGdb7604800 [2024-10-31 21:57:54,479 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41c8b179-27dc-4019-b49c-bf5ffe7f7e16/bin/uautomizer-verify-4GaUIPS5ZU/data/754f004ea/c298bf1056eb435e8f9991a86bc8c456 [2024-10-31 21:57:54,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:54,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:54,488 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:54,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:54,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:54,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:54" (1/1) ... [2024-10-31 21:57:54,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37738ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:54, skipping insertion in model container [2024-10-31 21:57:54,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:54" (1/1) ... [2024-10-31 21:57:55,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:58:25,738 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2024-10-31 21:58:25,740 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2024-10-31 21:58:25,743 WARN L634 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2024-10-31 21:58:25,744 WARN L634 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2024-10-31 21:58:25,750 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2024-10-31 21:58:25,752 WARN L634 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2024-10-31 21:58:25,753 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2024-10-31 21:58:25,759 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2024-10-31 21:58:25,760 WARN L634 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2024-10-31 21:58:25,837 WARN L634 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2024-10-31 21:58:26,023 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strspn [2024-10-31 21:58:26,778 WARN L634 FunctionHandler]: implicit declaration of function __builtin_strcspn [2024-10-31 21:58:27,152 ERROR L321 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2024-10-31 21:58:27,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@399244ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:58:27, skipping insertion in model container [2024-10-31 21:58:27,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:58:27,153 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-31 21:58:27,155 INFO L158 Benchmark]: Toolchain (without parser) took 32669.60ms. Allocated memory was 169.9MB in the beginning and 308.3MB in the end (delta: 138.4MB). Free memory was 93.8MB in the beginning and 129.2MB in the end (delta: -35.3MB). Peak memory consumption was 225.5MB. Max. memory is 16.1GB. [2024-10-31 21:58:27,155 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:58:27,156 INFO L158 Benchmark]: CACSL2BoogieTranslator took 32665.33ms. Allocated memory was 169.9MB in the beginning and 308.3MB in the end (delta: 138.4MB). Free memory was 93.8MB in the beginning and 129.2MB in the end (delta: -35.3MB). Peak memory consumption was 225.5MB. Max. memory is 16.1GB. [2024-10-31 21:58:27,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 32665.33ms. Allocated memory was 169.9MB in the beginning and 308.3MB in the end (delta: 138.4MB). Free memory was 93.8MB in the beginning and 129.2MB in the end (delta: -35.3MB). Peak memory consumption was 225.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36254]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...