./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_569-365_csa_uaf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_569-365_csa_uaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38a5166bb9c950424d873b24f2590f30b24129e8b098b247b6b232babf3cfb23 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:20:02,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:20:02,915 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-12-02 19:20:02,919 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:20:02,920 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:20:02,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:20:02,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:20:02,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:20:02,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:20:02,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:20:02,948 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:20:02,949 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:20:02,949 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:20:02,950 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:20:02,950 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:20:02,951 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:20:02,951 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:20:02,952 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:20:02,952 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:20:02,953 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:20:02,953 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:20:02,954 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:20:02,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 19:20:02,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 19:20:02,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:20:02,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:20:02,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:20:02,957 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 19:20:02,957 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 19:20:02,958 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 19:20:02,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:20:02,959 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:20:02,959 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 19:20:02,959 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:20:02,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:20:02,960 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:20:02,961 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:20:02,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:20:02,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:20:02,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:20:02,962 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:20:02,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:20:02,963 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:20:02,963 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:20:02,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:20:02,964 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38a5166bb9c950424d873b24f2590f30b24129e8b098b247b6b232babf3cfb23 [2023-12-02 19:20:03,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:20:03,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:20:03,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:20:03,221 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:20:03,221 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:20:03,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_569-365_csa_uaf.c [2023-12-02 19:20:06,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:20:09,250 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:20:09,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_569-365_csa_uaf.c [2023-12-02 19:20:09,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data/539d5abc3/89155e98bc3f4e8fbac2b5f9a6dfb519/FLAGae4f05525 [2023-12-02 19:20:09,601 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data/539d5abc3/89155e98bc3f4e8fbac2b5f9a6dfb519 [2023-12-02 19:20:09,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:20:09,605 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:20:09,607 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:20:09,607 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:20:09,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:20:09,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:20:09" (1/1) ... [2023-12-02 19:20:09,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13747a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:20:09, skipping insertion in model container [2023-12-02 19:20:09,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:20:09" (1/1) ... [2023-12-02 19:20:19,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:23:30,779 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:1736) 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) [2023-12-02 19:23:30,785 INFO L158 Benchmark]: Toolchain (without parser) took 201179.02ms. Allocated memory was 383.8MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 199.5MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-12-02 19:23:30,786 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 68.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:23:30,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201176.71ms. Allocated memory was 383.8MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 198.5MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2023-12-02 19:23:30,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 68.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201176.71ms. Allocated memory was 383.8MB in the beginning and 2.6GB in the end (delta: 2.2GB). Free memory was 198.5MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.7GB. 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:1736) 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_569-365_csa_uaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38a5166bb9c950424d873b24f2590f30b24129e8b098b247b6b232babf3cfb23 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:23:32,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:23:32,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-12-02 19:23:32,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:23:32,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:23:32,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:23:32,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:23:32,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:23:32,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:23:32,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:23:32,756 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:23:32,757 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:23:32,757 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:23:32,758 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:23:32,758 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:23:32,759 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:23:32,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 19:23:32,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 19:23:32,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:23:32,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:23:32,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:23:32,762 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 19:23:32,762 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 19:23:32,763 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 19:23:32,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:23:32,763 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:23:32,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:23:32,764 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:23:32,764 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 19:23:32,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:23:32,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:23:32,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:23:32,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:23:32,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:23:32,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:23:32,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:23:32,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:23:32,767 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:23:32,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:23:32,767 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:23:32,767 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:23:32,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:23:32,768 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38a5166bb9c950424d873b24f2590f30b24129e8b098b247b6b232babf3cfb23 [2023-12-02 19:23:33,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:23:33,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:23:33,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:23:33,139 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:23:33,140 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:23:33,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_569-365_csa_uaf.c [2023-12-02 19:23:35,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:23:39,196 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:23:39,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/sv-benchmarks/c/coreutils-v8.31/nl_3args_klee-sa_ko_569-365_csa_uaf.c [2023-12-02 19:23:39,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data/8516b7fbc/ea41a2908bcd403bb3a331b96d1c15e0/FLAG045e2ebf8 [2023-12-02 19:23:39,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb94be49-ee85-449f-9353-9318711d7b29/bin/utaipan-verify-nQ1chXbOIh/data/8516b7fbc/ea41a2908bcd403bb3a331b96d1c15e0 [2023-12-02 19:23:39,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:23:39,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:23:39,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:23:39,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:23:39,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:23:39,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:23:39" (1/1) ... [2023-12-02 19:23:39,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14bb5af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:23:39, skipping insertion in model container [2023-12-02 19:23:39,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:23:39" (1/1) ... [2023-12-02 19:23:49,768 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:26:48,475 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:1736) 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) [2023-12-02 19:26:48,481 INFO L158 Benchmark]: Toolchain (without parser) took 188875.71ms. Allocated memory was 331.4MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 167.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-02 19:26:48,482 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:26:48,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 188873.99ms. Allocated memory was 331.4MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 167.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-02 19:26:48,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 188873.99ms. Allocated memory was 331.4MB in the beginning and 3.1GB in the end (delta: 2.7GB). Free memory was 167.3MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. 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:1736) 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: ERROR: ExceptionOrErrorResult: ArithmeticException: Non-terminating decimal expansion; no exact representable decimal result.