./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_292_infer_uaf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_292_infer_uaf.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-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 64bit --witnessprinter.graph.data.programhash b86f97ff2d9a39df429bb16254c3e922f6ba11546decb25286ae8c32303aa4ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 00:19:42,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 00:19:42,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2025-03-09 00:19:42,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 00:19:42,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 00:19:42,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 00:19:42,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 00:19:42,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 00:19:42,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 00:19:42,681 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 00:19:42,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 00:19:42,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 00:19:42,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 00:19:42,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 00:19:42,683 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 00:19:42,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 00:19:42,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 00:19:42,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 00:19:42,683 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-09 00:19:42,683 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-09 00:19:42,683 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 00:19:42,684 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 00:19:42,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 00:19:42,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 00:19:42,685 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b86f97ff2d9a39df429bb16254c3e922f6ba11546decb25286ae8c32303aa4ab [2025-03-09 00:19:42,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 00:19:42,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 00:19:42,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 00:19:42,942 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 00:19:42,943 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 00:19:42,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_292_infer_uaf.c [2025-03-09 00:19:44,150 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8fc6ecc/09fa9c688ea94adc8428e4ccee884725/FLAG659653324 [2025-03-09 00:19:45,914 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 00:19:45,915 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_292_infer_uaf.c [2025-03-09 00:19:46,171 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8fc6ecc/09fa9c688ea94adc8428e4ccee884725/FLAG659653324 [2025-03-09 00:19:46,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f8fc6ecc/09fa9c688ea94adc8428e4ccee884725 [2025-03-09 00:19:46,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 00:19:46,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 00:19:46,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 00:19:46,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 00:19:46,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 00:19:46,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 12:19:46" (1/1) ... [2025-03-09 00:19:46,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3875fd76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 12:19:46, skipping insertion in model container [2025-03-09 00:19:46,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 12:19:46" (1/1) ... [2025-03-09 00:19:46,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 00:19:47,376 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.DeclarationResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.DeclarationResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @4d507bad) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:467) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2287) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3589) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:649) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-09 00:19:47,384 INFO L158 Benchmark]: Toolchain (without parser) took 1142.58ms. Allocated memory was 419.4MB in the beginning and 780.1MB in the end (delta: 360.7MB). Free memory was 198.2MB in the beginning and 436.3MB in the end (delta: -238.1MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2025-03-09 00:19:47,386 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-09 00:19:47,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1140.79ms. Allocated memory was 419.4MB in the beginning and 780.1MB in the end (delta: 360.7MB). Free memory was 198.2MB in the beginning and 436.3MB in the end (delta: -238.1MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2025-03-09 00:19:47,388 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1140.79ms. Allocated memory was 419.4MB in the beginning and 780.1MB in the end (delta: 360.7MB). Free memory was 198.2MB in the beginning and 436.3MB in the end (delta: -238.1MB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.DeclarationResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.DeclarationResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @4d507bad) de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.DeclarationResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.DeclarationResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @4d507bad): de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) 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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_292_infer_uaf.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.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 64bit --witnessprinter.graph.data.programhash b86f97ff2d9a39df429bb16254c3e922f6ba11546decb25286ae8c32303aa4ab --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 00:19:49,100 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 00:19:49,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2025-03-09 00:19:49,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 00:19:49,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 00:19:49,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 00:19:49,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 00:19:49,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 00:19:49,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 00:19:49,232 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 00:19:49,232 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 00:19:49,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 00:19:49,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 00:19:49,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 00:19:49,233 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 00:19:49,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 00:19:49,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 00:19:49,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 00:19:49,235 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 00:19:49,236 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 00:19:49,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 00:19:49,236 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b86f97ff2d9a39df429bb16254c3e922f6ba11546decb25286ae8c32303aa4ab [2025-03-09 00:19:49,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 00:19:49,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 00:19:49,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 00:19:49,502 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 00:19:49,502 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 00:19:49,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_292_infer_uaf.c [2025-03-09 00:19:50,666 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d810b0359/61c58cf25efc474eaadbdf623d6096de/FLAGa72701957 [2025-03-09 00:19:52,512 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 00:19:52,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_292_infer_uaf.c [2025-03-09 00:19:52,851 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d810b0359/61c58cf25efc474eaadbdf623d6096de/FLAGa72701957 [2025-03-09 00:19:53,245 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d810b0359/61c58cf25efc474eaadbdf623d6096de [2025-03-09 00:19:53,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 00:19:53,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 00:19:53,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 00:19:53,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 00:19:53,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 00:19:53,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 12:19:53" (1/1) ... [2025-03-09 00:19:53,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@181c502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 12:19:53, skipping insertion in model container [2025-03-09 00:19:53,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 12:19:53" (1/1) ... [2025-03-09 00:19:53,858 INFO L175 MainTranslator]: Built tables and reachable declarations