./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 ........................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/yes-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:25:15,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:25:15,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:25:15,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:25:15,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:25:15,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:25:15,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:25:15,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:25:15,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:25:15,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:25:15,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:25:15,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:25:15,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:25:15,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:25:15,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:25:15,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:25:15,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:25:15,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:25:15,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:25:15,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:25:15,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:25:15,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:25:15,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:25:15,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:25:15,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:25:15,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:25:15,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:25:15,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:25:15,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:25:15,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:25:15,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:25:15,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:25:15,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:25:15,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:25:15,965 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:25:15,965 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:25:15,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:25:15,966 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:25:15,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:25:15,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:25:15,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:25:15,968 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 06:25:15,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:25:15,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:25:15,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:25:15,992 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:25:15,992 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:25:15,992 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:25:15,993 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:25:15,993 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:25:15,993 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:25:15,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:25:15,993 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:25:15,994 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:25:15,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:25:15,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:25:15,994 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:25:15,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 06:25:15,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 06:25:15,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:25:15,995 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 06:25:15,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:25:15,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:25:15,996 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 06:25:15,996 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 06:25:15,996 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 06:25:15,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:25:15,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:25:15,997 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:25:15,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:25:15,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:25:15,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:25:15,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:25:15,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:25:15,998 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:25:15,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:25:15,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:25:15,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:25:15,999 INFO L138 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-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 [2020-12-09 06:25:16,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:25:16,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:25:16,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:25:16,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:25:16,207 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:25:16,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-12-09 06:25:16,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/2d141260d/2042e4457a37425ab0e343cba6f50c0c/FLAG2af219951 [2020-12-09 06:25:16,731 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:25:16,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-12-09 06:25:16,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/2d141260d/2042e4457a37425ab0e343cba6f50c0c/FLAG2af219951 [2020-12-09 06:25:17,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/2d141260d/2042e4457a37425ab0e343cba6f50c0c [2020-12-09 06:25:17,052 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:25:17,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:25:17,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:25:17,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:25:17,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:25:17,070 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:25:17" (1/1) ... [2020-12-09 06:25:17,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d8cfc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:25:17, skipping insertion in model container [2020-12-09 06:25:17,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:25:17" (1/1) ... [2020-12-09 06:25:17,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:25:17,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:25:17,782 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2020-12-09 06:25:17,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b4a86a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:25:17, skipping insertion in model container [2020-12-09 06:25:17,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:25:17,783 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 06:25:17,785 INFO L168 Benchmark]: Toolchain (without parser) took 728.87 ms. Allocated memory is still 90.2 MB. Free memory was 54.6 MB in the beginning and 56.5 MB in the end (delta: -2.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:17,785 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 90.2 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:25:17,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.52 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 56.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:17,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 90.2 MB. Free memory is still 55.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 723.52 ms. Allocated memory is still 90.2 MB. Free memory was 54.4 MB in the beginning and 56.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:25:19,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:25:19,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:25:19,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:25:19,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:25:19,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:25:19,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:25:19,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:25:19,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:25:19,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:25:19,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:25:19,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:25:19,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:25:19,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:25:19,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:25:19,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:25:19,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:25:19,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:25:19,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:25:19,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:25:19,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:25:19,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:25:19,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:25:19,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:25:19,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:25:19,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:25:19,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:25:19,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:25:19,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:25:19,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:25:19,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:25:19,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:25:19,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:25:19,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:25:19,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:25:19,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:25:19,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:25:19,149 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:25:19,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:25:19,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:25:19,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:25:19,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 06:25:19,169 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:25:19,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:25:19,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:25:19,170 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:25:19,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:25:19,170 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:25:19,170 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:25:19,170 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:25:19,170 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:25:19,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 06:25:19,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 06:25:19,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:25:19,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 06:25:19,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:25:19,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:25:19,171 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:25:19,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:25:19,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 06:25:19,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:25:19,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:25:19,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:25:19,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:25:19,173 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 06:25:19,173 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 06:25:19,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:25:19,173 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:25:19,173 INFO L138 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-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 958a30549ea164aaf7fd6c63a0b8e3688a4388c7 [2020-12-09 06:25:19,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:25:19,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:25:19,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:25:19,430 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:25:19,431 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:25:19,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-12-09 06:25:19,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/9cbd8b60f/ce1dc51841724835af0f4c449346346e/FLAG2c1e73ea7 [2020-12-09 06:25:19,906 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:25:19,907 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/sv-benchmarks/c/busybox-1.22.0/yes-2.i [2020-12-09 06:25:19,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/9cbd8b60f/ce1dc51841724835af0f4c449346346e/FLAG2c1e73ea7 [2020-12-09 06:25:20,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_050237ee-6dc4-468e-86c5-162fdbb74652/bin/utaipan/data/9cbd8b60f/ce1dc51841724835af0f4c449346346e [2020-12-09 06:25:20,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:25:20,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:25:20,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:25:20,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:25:20,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:25:20,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:25:20" (1/1) ... [2020-12-09 06:25:20,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcb6661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:25:20, skipping insertion in model container [2020-12-09 06:25:20,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:25:20" (1/1) ... [2020-12-09 06:25:20,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:25:20,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:25:20,973 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2020-12-09 06:25:20,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27953b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:25:20, skipping insertion in model container [2020-12-09 06:25:20,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:25:20,974 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 06:25:20,976 INFO L168 Benchmark]: Toolchain (without parser) took 771.59 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 22.9 MB in the beginning and 33.0 MB in the end (delta: -10.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:20,977 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:25:20,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.62 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 22.7 MB in the beginning and 33.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:20,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 50.3 MB. Free memory was 32.2 MB in the beginning and 32.2 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 769.62 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 22.7 MB in the beginning and 33.0 MB in the end (delta: -10.3 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...