./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/coreutils-v8.31/csplit_3args_klee-sa_ko_1366-1317-1319-1334_csa_uaf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c4f91361 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/coreutils-v8.31/csplit_3args_klee-sa_ko_1366-1317-1319-1334_csa_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 de9a2c2207933f13a86b3470afc467fc6cc5ca996c4f882ca60b560a88ab0f89 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 15:55:56,514 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 15:55:56,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-23 15:55:56,584 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 15:55:56,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 15:55:56,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 15:55:56,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 15:55:56,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 15:55:56,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 15:55:56,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 15:55:56,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 15:55:56,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 15:55:56,617 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 15:55:56,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 15:55:56,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 15:55:56,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 15:55:56,620 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 15:55:56,622 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 15:55:56,622 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 15:55:56,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 15:55:56,623 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 15:55:56,623 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 15:55:56,624 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 15:55:56,624 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 15:55:56,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 15:55:56,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 15:55:56,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 15:55:56,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:55:56,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 15:55:56,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 15:55:56,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 15:55:56,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 15:55:56,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 15:55:56,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 15:55:56,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 15:55:56,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 15:55:56,628 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de9a2c2207933f13a86b3470afc467fc6cc5ca996c4f882ca60b560a88ab0f89 [2023-11-23 15:55:56,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 15:55:56,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 15:55:56,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 15:55:56,843 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 15:55:56,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 15:55:56,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/coreutils-v8.31/csplit_3args_klee-sa_ko_1366-1317-1319-1334_csa_uaf.c [2023-11-23 15:55:57,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 15:56:00,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 15:56:00,311 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/coreutils-v8.31/csplit_3args_klee-sa_ko_1366-1317-1319-1334_csa_uaf.c [2023-11-23 15:56:00,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21aa84b27/2d4eb7e740904f388bcdd8e29d07fdab/FLAG1ac42817a [2023-11-23 15:56:00,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21aa84b27/2d4eb7e740904f388bcdd8e29d07fdab [2023-11-23 15:56:00,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 15:56:00,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 15:56:00,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 15:56:00,627 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 15:56:00,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 15:56:00,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:00" (1/1) ... [2023-11-23 15:56:00,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a24179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:00, skipping insertion in model container [2023-11-23 15:56:00,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:00" (1/1) ... [2023-11-23 15:56:12,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 15:58:39,801 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. at java.base/java.math.BigDecimal.divide(BigDecimal.java:1722) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.util.ISOIEC9899TC3.getDecimalForm(ISOIEC9899TC3.java:378) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.util.ISOIEC9899TC3.handleFloatConstant(ISOIEC9899TC3.java:333) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.translateFloatingLiteral(ExpressionTranslation.java:261) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1931) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1871) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:257) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-11-23 15:58:39,808 INFO L158 Benchmark]: Toolchain (without parser) took 159181.33ms. Allocated memory was 509.6MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 305.1MB in the beginning and 807.8MB in the end (delta: -502.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-23 15:58:39,808 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 15:58:39,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159179.77ms. Allocated memory was 509.6MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 305.1MB in the beginning and 807.8MB in the end (delta: -502.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2023-11-23 15:58:39,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 84.9MB in the beginning and 84.8MB in the end (delta: 125.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159179.77ms. Allocated memory was 509.6MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 305.1MB in the beginning and 807.8MB in the end (delta: -502.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.: java.base/java.math.BigDecimal.divide(BigDecimal.java:1722) 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/coreutils-v8.31/csplit_3args_klee-sa_ko_1366-1317-1319-1334_csa_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 de9a2c2207933f13a86b3470afc467fc6cc5ca996c4f882ca60b560a88ab0f89 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-c4f9136-m [2023-11-23 15:58:41,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 15:58:41,540 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-23 15:58:41,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 15:58:41,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 15:58:41,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 15:58:41,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 15:58:41,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 15:58:41,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 15:58:41,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 15:58:41,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 15:58:41,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 15:58:41,587 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 15:58:41,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 15:58:41,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 15:58:41,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 15:58:41,588 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-23 15:58:41,588 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-23 15:58:41,589 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-23 15:58:41,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 15:58:41,589 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 15:58:41,590 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 15:58:41,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 15:58:41,591 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 15:58:41,591 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 15:58:41,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 15:58:41,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 15:58:41,593 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 15:58:41,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 15:58:41,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 15:58:41,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 15:58:41,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 15:58:41,594 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 15:58:41,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 15:58:41,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 15:58:41,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 15:58:41,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 15:58:41,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 15:58:41,596 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 15:58:41,596 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de9a2c2207933f13a86b3470afc467fc6cc5ca996c4f882ca60b560a88ab0f89 [2023-11-23 15:58:41,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 15:58:41,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 15:58:41,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 15:58:41,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 15:58:41,891 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 15:58:41,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/coreutils-v8.31/csplit_3args_klee-sa_ko_1366-1317-1319-1334_csa_uaf.c [2023-11-23 15:58:42,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 15:58:45,375 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 15:58:45,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/coreutils-v8.31/csplit_3args_klee-sa_ko_1366-1317-1319-1334_csa_uaf.c [2023-11-23 15:58:45,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/815ad029e/94fc3de754844f8489238596764740f7/FLAG632115bea [2023-11-23 15:58:45,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/815ad029e/94fc3de754844f8489238596764740f7 [2023-11-23 15:58:45,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 15:58:45,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 15:58:45,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 15:58:45,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 15:58:45,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 15:58:45,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:45" (1/1) ... [2023-11-23 15:58:45,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b16c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:45, skipping insertion in model container [2023-11-23 15:58:45,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:45" (1/1) ... [2023-11-23 15:58:54,568 INFO L177 MainTranslator]: Built tables and reachable declarations Killed by 15