./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/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 2b37a2989873bccb38a599c5f72aafffdd60cc5a .......................................................................................................................................... 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_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/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 2b37a2989873bccb38a599c5f72aafffdd60cc5a ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:00:54,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:00:54,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:00:54,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:00:54,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:00:54,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:00:54,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:00:54,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:00:54,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:00:55,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:00:55,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:00:55,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:00:55,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:00:55,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:00:55,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:00:55,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:00:55,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:00:55,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:00:55,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:00:55,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:00:55,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:00:55,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:00:55,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:00:55,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:00:55,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:00:55,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:00:55,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:00:55,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:00:55,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:00:55,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:00:55,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:00:55,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:00:55,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:00:55,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:00:55,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:00:55,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:00:55,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:00:55,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:00:55,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:00:55,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:00:55,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:00:55,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-22 13:00:55,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:00:55,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:00:55,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:00:55,130 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:00:55,130 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:00:55,130 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:00:55,131 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:00:55,131 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:00:55,131 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:00:55,132 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:00:55,133 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:00:55,133 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:00:55,133 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:00:55,134 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:00:55,134 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:00:55,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:00:55,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:00:55,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:00:55,136 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:00:55,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:00:55,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:00:55,137 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:00:55,137 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:00:55,137 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:00:55,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:00:55,138 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:00:55,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:00:55,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:00:55,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:00:55,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:00:55,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:55,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:00:55,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:00:55,142 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:00:55,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:00:55,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:00:55,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:00:55,143 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_11f88c45-52ec-410f-bf77-743fedcb134a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2020-11-22 13:00:55,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:00:55,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:00:55,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:00:55,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:00:55,522 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:00:55,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-22 13:00:55,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/5898d7f57/368d69cb88cd41598a404ee0116a46fa/FLAG1f964d595 [2020-11-22 13:00:56,297 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:00:56,297 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-22 13:00:56,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/5898d7f57/368d69cb88cd41598a404ee0116a46fa/FLAG1f964d595 [2020-11-22 13:00:56,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/5898d7f57/368d69cb88cd41598a404ee0116a46fa [2020-11-22 13:00:56,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:00:56,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:00:56,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:56,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:00:56,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:00:56,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:56" (1/1) ... [2020-11-22 13:00:56,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a907a2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:56, skipping insertion in model container [2020-11-22 13:00:56,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:56" (1/1) ... [2020-11-22 13:00:56,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:00:56,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:57,762 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-11-22 13:00:57,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60f3fafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:57, skipping insertion in model container [2020-11-22 13:00:57,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:57,764 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:00:57,767 INFO L168 Benchmark]: Toolchain (without parser) took 1323.15 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.9 MB in the beginning and 68.5 MB in the end (delta: -15.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:57,769 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:57,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1311.46 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.7 MB in the beginning and 68.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:57,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 88.1 MB. Free memory was 47.3 MB in the beginning and 47.3 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1311.46 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.7 MB in the beginning and 68.9 MB in the end (delta: -16.2 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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-a4ecdab [2020-11-22 13:01:00,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:01:00,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:01:00,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:01:00,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:01:00,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:01:00,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:01:00,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:01:00,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:01:00,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:01:00,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:01:00,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:01:00,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:01:00,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:01:00,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:01:00,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:01:00,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:01:00,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:01:00,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:01:00,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:01:00,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:01:00,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:01:00,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:01:00,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:01:00,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:01:00,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:01:00,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:01:00,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:01:00,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:01:00,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:01:00,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:01:00,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:01:00,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:01:00,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:01:00,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:01:00,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:01:00,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:01:00,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:01:00,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:01:00,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:01:00,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:01:00,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-22 13:01:00,204 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:01:00,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:01:00,205 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:01:00,205 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:01:00,205 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:01:00,206 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:01:00,206 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:01:00,206 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:01:00,206 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:01:00,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-22 13:01:00,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-22 13:01:00,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:01:00,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:01:00,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:01:00,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:01:00,208 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-22 13:01:00,209 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-22 13:01:00,209 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-22 13:01:00,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:01:00,209 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:01:00,209 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:01:00,210 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:01:00,210 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:01:00,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:01:00,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:01:00,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:01:00,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:01:00,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:01:00,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:01:00,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:01:00,212 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:01:00,212 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:01:00,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:01:00,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:01:00,213 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_11f88c45-52ec-410f-bf77-743fedcb134a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b37a2989873bccb38a599c5f72aafffdd60cc5a [2020-11-22 13:01:00,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:01:00,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:01:00,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:01:00,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:01:00,636 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:01:00,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-22 13:01:00,721 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/aa557f3b6/33bc26adf61b4c44bbe730270da21d7f/FLAGfb4e5f797 [2020-11-22 13:01:01,557 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:01:01,558 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/sv-benchmarks/c/busybox-1.22.0/seq-1.i [2020-11-22 13:01:01,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/aa557f3b6/33bc26adf61b4c44bbe730270da21d7f/FLAGfb4e5f797 [2020-11-22 13:01:01,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11f88c45-52ec-410f-bf77-743fedcb134a/bin/utaipan/data/aa557f3b6/33bc26adf61b4c44bbe730270da21d7f [2020-11-22 13:01:01,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:01:01,679 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:01:01,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:01,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:01:01,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:01:01,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:01" (1/1) ... [2020-11-22 13:01:01,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a98fde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:01, skipping insertion in model container [2020-11-22 13:01:01,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:01:01" (1/1) ... [2020-11-22 13:01:01,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:01:01,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:01:03,042 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-11-22 13:01:03,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c5f467c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:01:03, skipping insertion in model container [2020-11-22 13:01:03,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:01:03,046 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-22 13:01:03,050 INFO L168 Benchmark]: Toolchain (without parser) took 1369.77 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 43.9 MB in the beginning and 62.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:03,052 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 67.1 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:01:03,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1364.59 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 43.8 MB in the beginning and 62.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:01:03,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 67.1 MB. Free memory is still 49.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1364.59 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 43.8 MB in the beginning and 62.5 MB in the end (delta: -18.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...