./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/wc-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_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/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 33f1a19988aaf034166ab26d83f342c485d4c498 ......................................................................................................................................... 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_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/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 33f1a19988aaf034166ab26d83f342c485d4c498 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:30:58,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:30:58,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:30:59,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:30:59,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:30:59,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:30:59,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:30:59,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:30:59,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:30:59,063 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:30:59,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:30:59,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:30:59,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:30:59,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:30:59,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:30:59,075 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:30:59,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:30:59,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:30:59,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:30:59,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:30:59,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:30:59,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:30:59,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:30:59,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:30:59,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:30:59,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:30:59,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:30:59,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:30:59,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:30:59,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:30:59,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:30:59,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:30:59,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:30:59,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:30:59,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:30:59,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:30:59,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:30:59,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:30:59,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:30:59,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:30:59,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:30:59,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-03 12:30:59,167 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:30:59,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:30:59,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:30:59,170 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:30:59,170 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:30:59,170 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:30:59,170 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:30:59,171 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:30:59,171 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:30:59,171 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:30:59,172 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:30:59,172 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:30:59,173 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:30:59,173 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:30:59,173 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:30:59,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:30:59,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:30:59,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:30:59,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:30:59,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:30:59,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:30:59,175 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:30:59,176 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:30:59,176 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:30:59,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:30:59,176 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:30:59,178 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:30:59,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:30:59,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:30:59,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:30:59,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:30:59,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:30:59,180 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:30:59,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:30:59,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:30:59,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:30:59,181 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_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2020-12-03 12:30:59,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:30:59,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:30:59,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:30:59,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:30:59,527 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:30:59,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-03 12:30:59,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/b1cbca68c/fa0f120513f14d3a88f65ef62938e09b/FLAG8e0aa5eee [2020-12-03 12:31:00,510 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:31:00,511 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-03 12:31:00,556 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/b1cbca68c/fa0f120513f14d3a88f65ef62938e09b/FLAG8e0aa5eee [2020-12-03 12:31:00,613 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/b1cbca68c/fa0f120513f14d3a88f65ef62938e09b [2020-12-03 12:31:00,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:31:00,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:31:00,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:00,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:31:00,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:31:00,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:00" (1/1) ... [2020-12-03 12:31:00,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f23e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:00, skipping insertion in model container [2020-12-03 12:31:00,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:00" (1/1) ... [2020-12-03 12:31:00,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:31:00,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:31:02,114 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-03 12:31:02,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40ff38ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:02, skipping insertion in model container [2020-12-03 12:31:02,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:02,118 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:31:02,122 INFO L168 Benchmark]: Toolchain (without parser) took 1500.98 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 51.9 MB in the beginning and 76.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:02,124 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:02,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1495.03 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 76.2 MB in the end (delta: -24.5 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:02,128 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 90.2 MB. Free memory is still 46.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1495.03 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 51.7 MB in the beginning and 76.2 MB in the end (delta: -24.5 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:31:04,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:31:04,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:31:04,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:31:04,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:31:04,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:31:04,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:31:04,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:31:04,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:31:04,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:31:04,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:31:04,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:31:04,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:31:04,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:31:04,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:31:04,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:31:04,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:31:04,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:31:04,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:31:04,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:31:04,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:31:04,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:31:04,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:31:04,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:31:04,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:31:04,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:31:04,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:31:04,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:31:04,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:31:04,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:31:04,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:31:04,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:31:04,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:31:04,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:31:04,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:31:04,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:31:04,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:31:04,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:31:04,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:31:04,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:31:04,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:31:04,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-03 12:31:04,609 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:31:04,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:31:04,611 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:31:04,611 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:31:04,612 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:31:04,612 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:31:04,612 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:31:04,612 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:31:04,613 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:31:04,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 12:31:04,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 12:31:04,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:31:04,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:31:04,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:31:04,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:31:04,615 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 12:31:04,616 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 12:31:04,616 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 12:31:04,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:31:04,617 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:31:04,617 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:31:04,617 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:31:04,617 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:31:04,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:31:04,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:31:04,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:31:04,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:31:04,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:31:04,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:31:04,620 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:31:04,620 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:31:04,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:31:04,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:31:04,621 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_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2020-12-03 12:31:05,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:31:05,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:31:05,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:31:05,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:31:05,053 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:31:05,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-03 12:31:05,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/2cdb39917/2d637a79a0ef407b99e52ddb0748ce55/FLAG329abe8d1 [2020-12-03 12:31:05,989 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:31:05,990 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-03 12:31:06,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/2cdb39917/2d637a79a0ef407b99e52ddb0748ce55/FLAG329abe8d1 [2020-12-03 12:31:06,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f79f5aab-fbbb-4f3a-a289-b6b1d3a8d142/bin/utaipan/data/2cdb39917/2d637a79a0ef407b99e52ddb0748ce55 [2020-12-03 12:31:06,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:31:06,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:31:06,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:06,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:31:06,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:31:06,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:06" (1/1) ... [2020-12-03 12:31:06,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7c2e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:06, skipping insertion in model container [2020-12-03 12:31:06,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:06" (1/1) ... [2020-12-03 12:31:06,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:31:06,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:31:07,579 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-03 12:31:07,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@542f61dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:07, skipping insertion in model container [2020-12-03 12:31:07,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:07,581 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:31:07,583 INFO L168 Benchmark]: Toolchain (without parser) took 1482.31 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 28.3 MB in the beginning and 34.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:07,584 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 41.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:07,585 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1478.20 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 28.0 MB in the beginning and 34.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:07,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory was 30.3 MB in the beginning and 30.2 MB in the end (delta: 41.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1478.20 ms. Allocated memory was 48.2 MB in the beginning and 65.0 MB in the end (delta: 16.8 MB). Free memory was 28.0 MB in the beginning and 34.0 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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...