./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/head-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/head-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer --witnessprinter.witness.filename witness.graphml --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 4819107b35e9d7239496cca49768e26d2d4e2e01 ....................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:18:30,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:18:30,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:18:30,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:18:30,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:18:30,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:18:30,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:18:30,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:18:30,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:18:30,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:18:30,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:18:30,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:18:30,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:18:30,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:18:30,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:18:30,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:18:30,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:18:30,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:18:30,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:18:30,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:18:30,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:18:30,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:18:30,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:18:30,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:18:30,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:18:30,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:18:30,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:18:30,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:18:30,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:18:30,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:18:30,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:18:30,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:18:30,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:18:30,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:18:30,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:18:30,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:18:30,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:18:30,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:18:30,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:18:30,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:18:30,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:18:30,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-16 00:18:30,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:18:30,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:18:30,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:18:30,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:18:30,747 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:18:30,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:18:30,748 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:18:30,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:18:30,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:18:30,748 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-16 00:18:30,749 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-16 00:18:30,749 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-16 00:18:30,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:18:30,749 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:18:30,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:18:30,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:18:30,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:18:30,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:18:30,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:18:30,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:18:30,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:18:30,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:18:30,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:18:30,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml 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 -> 4819107b35e9d7239496cca49768e26d2d4e2e01 [2019-11-16 00:18:30,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:18:30,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:18:30,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:18:30,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:18:30,792 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:18:30,793 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/head-2.i [2019-11-16 00:18:30,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/data/792a92fe1/ec372792c99f4c12b9c45c99da7da7af/FLAG6c3b54512 [2019-11-16 00:18:31,486 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:18:31,486 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/sv-benchmarks/c/busybox-1.22.0/head-2.i [2019-11-16 00:18:31,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/data/792a92fe1/ec372792c99f4c12b9c45c99da7da7af/FLAG6c3b54512 [2019-11-16 00:18:31,814 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c4e3aa72-ccf5-47f7-97bd-b46cbd198ca8/bin/uautomizer/data/792a92fe1/ec372792c99f4c12b9c45c99da7da7af [2019-11-16 00:18:31,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:18:31,817 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-16 00:18:31,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:31,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:18:31,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:18:31,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:31" (1/1) ... [2019-11-16 00:18:31,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1939abb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:31, skipping insertion in model container [2019-11-16 00:18:31,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:18:31" (1/1) ... [2019-11-16 00:18:31,832 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:18:31,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:18:33,030 ERROR L309 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2019-11-16 00:18:33,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e3d0963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:18:33, skipping insertion in model container [2019-11-16 00:18:33,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:18:33,031 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-16 00:18:33,035 INFO L168 Benchmark]: Toolchain (without parser) took 1215.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:33,036 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:18:33,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1212.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:18:33,041 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1212.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -206.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2294]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...