./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_837_infer_nd.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 798a7b37 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/env_3args_klee-sa_ko_837_infer_nd.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 6574f07355475e6097d7abc1252e9742873b4cf5073c0901aa6229ed5f83ed5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 08:59:25,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 08:59:25,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2025-03-04 08:59:25,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 08:59:25,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 08:59:25,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 08:59:25,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 08:59:25,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 08:59:25,326 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 08:59:25,326 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 08:59:25,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 08:59:25,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 08:59:25,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 08:59:25,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 08:59:25,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 08:59:25,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 08:59:25,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 08:59:25,329 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 08:59:25,329 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 08:59:25,329 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 08:59:25,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 08:59:25,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 08:59:25,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 08:59:25,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 08:59:25,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 08:59:25,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 08:59:25,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 08:59:25,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 08:59:25,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 08:59:25,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 08:59:25,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 08:59:25,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 08:59:25,330 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 -> 6574f07355475e6097d7abc1252e9742873b4cf5073c0901aa6229ed5f83ed5c [2025-03-04 08:59:25,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 08:59:25,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 08:59:25,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 08:59:25,552 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 08:59:25,552 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 08:59:25,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_837_infer_nd.c [2025-03-04 08:59:26,641 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257eab317/3e9b506c4653465a91f6d964a03d3d7a/FLAG07983433a [2025-03-04 08:59:28,393 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 08:59:28,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_837_infer_nd.c [2025-03-04 08:59:28,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257eab317/3e9b506c4653465a91f6d964a03d3d7a/FLAG07983433a [2025-03-04 08:59:28,692 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257eab317/3e9b506c4653465a91f6d964a03d3d7a [2025-03-04 08:59:28,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 08:59:28,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 08:59:28,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 08:59:28,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 08:59:28,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 08:59:28,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:59:28" (1/1) ... [2025-03-04 08:59:28,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddfbd1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:59:28, skipping insertion in model container [2025-03-04 08:59:28,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:59:28" (1/1) ... [2025-03-04 08:59:29,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 08:59:29,854 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-03-04 08:59:29,863 INFO L158 Benchmark]: Toolchain (without parser) took 1166.56ms. Allocated memory is still 394.3MB. Free memory was 171.7MB in the beginning and 115.2MB in the end (delta: 56.5MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. [2025-03-04 08:59:29,864 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-04 08:59:29,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1164.54ms. Allocated memory is still 394.3MB. Free memory was 171.6MB in the beginning and 115.2MB in the end (delta: 56.3MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. [2025-03-04 08:59:29,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1164.54ms. Allocated memory is still 394.3MB. Free memory was 171.6MB in the beginning and 115.2MB in the end (delta: 56.3MB). Peak memory consumption was 157.0MB. 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/env_3args_klee-sa_ko_837_infer_nd.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 6574f07355475e6097d7abc1252e9742873b4cf5073c0901aa6229ed5f83ed5c --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 08:59:31,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 08:59:31,524 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2025-03-04 08:59:31,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 08:59:31,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 08:59:31,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 08:59:31,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 08:59:31,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 08:59:31,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 08:59:31,549 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 08:59:31,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 08:59:31,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 08:59:31,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 08:59:31,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 08:59:31,552 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 08:59:31,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 08:59:31,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 08:59:31,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 08:59:31,553 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 08:59:31,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 08:59:31,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 08:59:31,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 08:59:31,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 08:59:31,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 08:59:31,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 08:59:31,554 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-04 08:59:31,555 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-04 08:59:31,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 08:59:31,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 08:59:31,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 08:59:31,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 08:59:31,555 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 -> 6574f07355475e6097d7abc1252e9742873b4cf5073c0901aa6229ed5f83ed5c [2025-03-04 08:59:31,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 08:59:31,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 08:59:31,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 08:59:31,810 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 08:59:31,810 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 08:59:31,813 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_837_infer_nd.c [2025-03-04 08:59:32,939 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06605e9b7/ac4c9d56beba426596a214c86a9642e2/FLAG7241d1104 [2025-03-04 08:59:34,976 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 08:59:34,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/coreutils-v8.31/env_3args_klee-sa_ko_837_infer_nd.c [2025-03-04 08:59:35,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06605e9b7/ac4c9d56beba426596a214c86a9642e2/FLAG7241d1104 [2025-03-04 08:59:35,291 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06605e9b7/ac4c9d56beba426596a214c86a9642e2 [2025-03-04 08:59:35,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 08:59:35,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 08:59:35,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 08:59:35,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 08:59:35,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 08:59:35,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:59:35" (1/1) ... [2025-03-04 08:59:35,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a685ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 08:59:35, skipping insertion in model container [2025-03-04 08:59:35,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 08:59:35" (1/1) ... [2025-03-04 08:59:35,879 INFO L175 MainTranslator]: Built tables and reachable declarations