./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_775_infer_uaf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_775_infer_uaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash c8c4a05b3c959c52057917f47ba5745e36ac18274a3ed732ecd6b1042b64c49a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:21:42,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:21:42,466 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-28 02:21:42,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:21:42,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:21:42,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:21:42,515 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:21:42,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:21:42,516 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:21:42,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:21:42,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:21:42,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:21:42,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:21:42,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:21:42,518 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:21:42,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:21:42,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:21:42,520 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:21:42,520 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:21:42,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:21:42,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:21:42,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:21:42,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:21:42,522 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:21:42,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:21:42,522 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8c4a05b3c959c52057917f47ba5745e36ac18274a3ed732ecd6b1042b64c49a [2024-11-28 02:21:42,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:21:42,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:21:42,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:21:42,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:21:42,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:21:42,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_775_infer_uaf.c [2024-11-28 02:21:45,952 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/21ae4fc6d/c845300bae594a0e82559f95d4ab0d55/FLAG043623ad4 [2024-11-28 02:21:49,649 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:21:49,650 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_775_infer_uaf.c [2024-11-28 02:21:50,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/21ae4fc6d/c845300bae594a0e82559f95d4ab0d55/FLAG043623ad4 [2024-11-28 02:21:50,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/21ae4fc6d/c845300bae594a0e82559f95d4ab0d55 [2024-11-28 02:21:50,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:21:50,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:21:50,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:21:50,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:21:50,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:21:50,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:21:50" (1/1) ... [2024-11-28 02:21:50,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3938f803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:50, skipping insertion in model container [2024-11-28 02:21:50,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:21:50" (1/1) ... [2024-11-28 02:21:51,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:21:52,378 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-28 02:21:52,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@358d24d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:21:52, skipping insertion in model container [2024-11-28 02:21:52,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:21:52,383 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 02:21:52,385 INFO L158 Benchmark]: Toolchain (without parser) took 2123.84ms. Allocated memory was 503.3MB in the beginning and 1.0GB in the end (delta: 503.3MB). Free memory was 324.1MB in the beginning and 685.2MB in the end (delta: -361.1MB). Peak memory consumption was 191.4MB. Max. memory is 16.1GB. [2024-11-28 02:21:52,387 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:21:52,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2120.00ms. Allocated memory was 503.3MB in the beginning and 1.0GB in the end (delta: 503.3MB). Free memory was 324.1MB in the beginning and 685.2MB in the end (delta: -361.1MB). Peak memory consumption was 191.4MB. Max. memory is 16.1GB. [2024-11-28 02:21:52,389 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2120.00ms. Allocated memory was 503.3MB in the beginning and 1.0GB in the end (delta: 503.3MB). Free memory was 324.1MB in the beginning and 685.2MB in the end (delta: -361.1MB). Peak memory consumption was 191.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 35263]: Unsupported Syntax floats in unions are not supported in the integer translation. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_775_infer_uaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash c8c4a05b3c959c52057917f47ba5745e36ac18274a3ed732ecd6b1042b64c49a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:21:55,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:21:55,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2024-11-28 02:21:55,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:21:55,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:21:55,346 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:21:55,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:21:55,348 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:21:55,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:21:55,349 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:21:55,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:21:55,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:21:55,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:21:55,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:21:55,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:21:55,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:21:55,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:21:55,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:21:55,353 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:21:55,353 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:21:55,353 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:21:55,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:21:55,354 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:21:55,354 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:21:55,354 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:21:55,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:21:55,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:21:55,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:21:55,354 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:21:55,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:21:55,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:21:55,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:21:55,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:21:55,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:21:55,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:21:55,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:21:55,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:21:55,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:21:55,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:21:55,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:21:55,357 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:21:55,357 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:21:55,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:21:55,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:21:55,357 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:21:55,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:21:55,358 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8c4a05b3c959c52057917f47ba5745e36ac18274a3ed732ecd6b1042b64c49a [2024-11-28 02:21:55,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:21:55,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:21:55,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:21:55,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:21:55,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:21:55,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_775_infer_uaf.c [2024-11-28 02:21:59,045 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/0a182d384/2ab6cb532c39438b90165cb2af24061b/FLAG87267f9c5 [2024-11-28 02:22:02,839 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:22:02,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_775_infer_uaf.c [2024-11-28 02:22:03,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/0a182d384/2ab6cb532c39438b90165cb2af24061b/FLAG87267f9c5 [2024-11-28 02:22:03,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44bb2058-e750-4b75-ab55-dea9bacb521e/bin/uautomizer-verify-aQ6SnzHsRB/data/0a182d384/2ab6cb532c39438b90165cb2af24061b [2024-11-28 02:22:03,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:22:03,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:22:03,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:03,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:22:03,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:22:03,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:03" (1/1) ... [2024-11-28 02:22:03,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6151f4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:03, skipping insertion in model container [2024-11-28 02:22:03,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:03" (1/1) ... [2024-11-28 02:22:04,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:24:49,568 ERROR L321 MainTranslator]: Unsupported Syntax: Unsupported function: atexit [2024-11-28 02:24:49,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@156ecd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:24:49, skipping insertion in model container [2024-11-28 02:24:49,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:24:49,569 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-28 02:24:49,572 INFO L158 Benchmark]: Toolchain (without parser) took 165932.71ms. Allocated memory was 310.4MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 100.0MB in the beginning and 990.7MB in the end (delta: -890.6MB). Peak memory consumption was 919.2MB. Max. memory is 16.1GB. [2024-11-28 02:24:49,572 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:24:49,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165929.91ms. Allocated memory was 310.4MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 99.7MB in the beginning and 990.7MB in the end (delta: -891.0MB). Peak memory consumption was 919.2MB. Max. memory is 16.1GB. [2024-11-28 02:24:49,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165929.91ms. Allocated memory was 310.4MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 99.7MB in the beginning and 990.7MB in the end (delta: -891.0MB). Peak memory consumption was 919.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 52311]: Unsupported Syntax Unsupported function: atexit RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN