./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/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_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_uaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/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_10b5f15e-e833-44d9-9308-c8e5311c8746/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 e387521c88173cbd77e9544c3a88d4b8ce5361c2427ae154fac0c38edced0903 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:04:48,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:04:49,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2023-12-02 17:04:49,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:04:49,040 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:04:49,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:04:49,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:04:49,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:04:49,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:04:49,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:04:49,068 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:04:49,068 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:04:49,069 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:04:49,069 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:04:49,070 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:04:49,070 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:04:49,071 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:04:49,072 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:04:49,072 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:04:49,073 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:04:49,073 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:04:49,074 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:04:49,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 17:04:49,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 17:04:49,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:04:49,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:04:49,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:04:49,077 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 17:04:49,077 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 17:04:49,078 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 17:04:49,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:04:49,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:04:49,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:04:49,079 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:04:49,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:04:49,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:04:49,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:04:49,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:04:49,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:04:49,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:04:49,081 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:04:49,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:04:49,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:04:49,082 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:04:49,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:04:49,082 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_10b5f15e-e833-44d9-9308-c8e5311c8746/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e387521c88173cbd77e9544c3a88d4b8ce5361c2427ae154fac0c38edced0903 [2023-12-02 17:04:49,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:04:49,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:04:49,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:04:49,353 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:04:49,353 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:04:49,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_uaf.c [2023-12-02 17:04:52,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:04:54,941 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:04:54,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_uaf.c [2023-12-02 17:04:55,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data/bcdc65934/f991af2747e34e6d8671b011ac5abd3d/FLAG4cc33d952 [2023-12-02 17:04:55,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data/bcdc65934/f991af2747e34e6d8671b011ac5abd3d [2023-12-02 17:04:55,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:04:55,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:04:55,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:04:55,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:04:55,657 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:04:55,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:04:55" (1/1) ... [2023-12-02 17:04:55,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4992916f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:04:55, skipping insertion in model container [2023-12-02 17:04:55,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:04:55" (1/1) ... [2023-12-02 17:05:05,447 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:08:15,297 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 17:08:15,303 INFO L158 Benchmark]: Toolchain (without parser) took 199649.24ms. Allocated memory was 341.8MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 168.4MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-02 17:08:15,304 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:08:15,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199647.56ms. Allocated memory was 341.8MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 168.4MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-02 17:08:15,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199647.56ms. Allocated memory was 341.8MB in the beginning and 2.5GB in the end (delta: 2.2GB). Free memory was 168.4MB in the beginning and 1.9GB in the end (delta: -1.7GB). Peak memory consumption was 1.6GB. 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/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_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_uaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/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_10b5f15e-e833-44d9-9308-c8e5311c8746/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 e387521c88173cbd77e9544c3a88d4b8ce5361c2427ae154fac0c38edced0903 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:08:17,220 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:08:17,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2023-12-02 17:08:17,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:08:17,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:08:17,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:08:17,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:08:17,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:08:17,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:08:17,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:08:17,356 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:08:17,357 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:08:17,357 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:08:17,358 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:08:17,358 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:08:17,359 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:08:17,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 17:08:17,360 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 17:08:17,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:08:17,361 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:08:17,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:08:17,362 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-02 17:08:17,363 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-02 17:08:17,363 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-02 17:08:17,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:08:17,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:08:17,364 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:08:17,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:08:17,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 17:08:17,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:08:17,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:08:17,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:08:17,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:08:17,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:08:17,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:08:17,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:08:17,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:08:17,368 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:08:17,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:08:17,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:08:17,369 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:08:17,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:08:17,369 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_10b5f15e-e833-44d9-9308-c8e5311c8746/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e387521c88173cbd77e9544c3a88d4b8ce5361c2427ae154fac0c38edced0903 [2023-12-02 17:08:17,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:08:17,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:08:17,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:08:17,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:08:17,698 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:08:17,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_uaf.c [2023-12-02 17:08:20,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:08:24,002 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:08:24,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/sv-benchmarks/c/coreutils-v8.31/uniq_3args_klee-sa_ko_513-654_csa_uaf.c [2023-12-02 17:08:24,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data/49dd385d5/37f6ba7b907d4c1a8f66b8248a98e9e0/FLAGf2af0adbc [2023-12-02 17:08:24,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b5f15e-e833-44d9-9308-c8e5311c8746/bin/utaipan-verify-nQ1chXbOIh/data/49dd385d5/37f6ba7b907d4c1a8f66b8248a98e9e0 [2023-12-02 17:08:24,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:08:24,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:08:24,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:08:24,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:08:24,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:08:24,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:08:24" (1/1) ... [2023-12-02 17:08:24,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1caa8bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:08:24, skipping insertion in model container [2023-12-02 17:08:24,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:08:24" (1/1) ... [2023-12-02 17:08:35,977 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:11:51,111 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 17:11:51,118 INFO L158 Benchmark]: Toolchain (without parser) took 206736.03ms. Allocated memory was 419.4MB in the beginning and 3.4GB in the end (delta: 3.0GB). Free memory was 250.2MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2023-12-02 17:11:51,119 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:11:51,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206733.55ms. Allocated memory was 419.4MB in the beginning and 3.4GB in the end (delta: 3.0GB). Free memory was 249.9MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2023-12-02 17:11:51,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 46.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206733.55ms. Allocated memory was 419.4MB in the beginning and 3.4GB in the end (delta: 3.0GB). Free memory was 249.9MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 2.2GB. 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.