./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_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/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_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/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 [2020-12-09 17:09:36,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:09:36,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:09:36,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:09:36,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:09:36,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:09:36,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:09:36,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:09:36,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:09:36,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:09:36,065 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:09:36,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:09:36,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:09:36,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:09:36,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:09:36,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:09:36,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:09:36,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:09:36,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:09:36,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:09:36,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:09:36,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:09:36,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:09:36,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:09:36,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:09:36,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:09:36,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:09:36,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:09:36,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:09:36,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:09:36,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:09:36,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:09:36,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:09:36,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:09:36,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:09:36,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:09:36,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:09:36,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:09:36,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:09:36,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:09:36,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:09:36,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 17:09:36,121 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:09:36,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:09:36,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:09:36,122 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:09:36,123 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:09:36,123 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:09:36,123 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 17:09:36,123 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:09:36,123 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:09:36,123 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 17:09:36,123 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 17:09:36,124 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:09:36,124 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 17:09:36,124 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 17:09:36,124 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 17:09:36,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 17:09:36,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 17:09:36,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:09:36,125 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 17:09:36,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:09:36,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:09:36,125 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 17:09:36,126 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 17:09:36,126 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 17:09:36,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:09:36,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:09:36,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:09:36,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:09:36,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:09:36,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:09:36,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:09:36,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:09:36,127 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 17:09:36,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 17:09:36,128 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:09:36,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:09:36,128 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_337f868c-b643-4014-9068-eb69d87ebfa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2020-12-09 17:09:36,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:09:36,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:09:36,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:09:36,331 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:09:36,332 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:09:36,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-09 17:09:36,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/6946c7caa/6ad5eba1cf8b437993a623b3cd85f17e/FLAG7550e5cc7 [2020-12-09 17:09:36,864 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:09:36,864 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-09 17:09:36,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/6946c7caa/6ad5eba1cf8b437993a623b3cd85f17e/FLAG7550e5cc7 [2020-12-09 17:09:37,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/6946c7caa/6ad5eba1cf8b437993a623b3cd85f17e [2020-12-09 17:09:37,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:09:37,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:09:37,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:37,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:09:37,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:09:37,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:37" (1/1) ... [2020-12-09 17:09:37,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dff1dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:37, skipping insertion in model container [2020-12-09 17:09:37,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:37" (1/1) ... [2020-12-09 17:09:37,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:09:37,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:09:38,050 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-09 17:09:38,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3018a2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:38, skipping insertion in model container [2020-12-09 17:09:38,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:38,050 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 17:09:38,052 INFO L168 Benchmark]: Toolchain (without parser) took 868.06 ms. Allocated memory is still 113.2 MB. Free memory was 85.5 MB in the beginning and 75.3 MB in the end (delta: 10.2 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:38,053 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 113.2 MB. Free memory is still 78.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:09:38,054 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.27 ms. Allocated memory is still 113.2 MB. Free memory was 85.2 MB in the beginning and 75.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:38,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 113.2 MB. Free memory is still 78.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 863.27 ms. Allocated memory is still 113.2 MB. Free memory was 85.2 MB in the beginning and 75.3 MB in the end (delta: 10.0 MB). Peak memory consumption was 14.1 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 [2020-12-09 17:09:39,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:09:39,379 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:09:39,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:09:39,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:09:39,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:09:39,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:09:39,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:09:39,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:09:39,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:09:39,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:09:39,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:09:39,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:09:39,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:09:39,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:09:39,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:09:39,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:09:39,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:09:39,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:09:39,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:09:39,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:09:39,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:09:39,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:09:39,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:09:39,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:09:39,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:09:39,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:09:39,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:09:39,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:09:39,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:09:39,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:09:39,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:09:39,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:09:39,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:09:39,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:09:39,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:09:39,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:09:39,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:09:39,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:09:39,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:09:39,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:09:39,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 17:09:39,454 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:09:39,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:09:39,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:09:39,455 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:09:39,456 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:09:39,456 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:09:39,456 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:09:39,456 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:09:39,456 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:09:39,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 17:09:39,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 17:09:39,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:09:39,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 17:09:39,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:09:39,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:09:39,457 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 17:09:39,457 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 17:09:39,458 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 17:09:39,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:09:39,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:09:39,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 17:09:39,458 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 17:09:39,458 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:09:39,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:09:39,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 17:09:39,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:09:39,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:09:39,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:09:39,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:09:39,459 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 17:09:39,459 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 17:09:39,459 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:09:39,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:09:39,460 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_337f868c-b643-4014-9068-eb69d87ebfa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33f1a19988aaf034166ab26d83f342c485d4c498 [2020-12-09 17:09:39,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:09:39,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:09:39,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:09:39,714 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:09:39,714 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:09:39,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-09 17:09:39,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/8c8973883/d164d4c4ac924c87882fb7088861bea6/FLAGfe19b3131 [2020-12-09 17:09:40,306 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:09:40,306 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2020-12-09 17:09:40,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/8c8973883/d164d4c4ac924c87882fb7088861bea6/FLAGfe19b3131 [2020-12-09 17:09:40,791 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_337f868c-b643-4014-9068-eb69d87ebfa1/bin/utaipan/data/8c8973883/d164d4c4ac924c87882fb7088861bea6 [2020-12-09 17:09:40,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:09:40,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:09:40,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:40,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:09:40,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:09:40,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:40" (1/1) ... [2020-12-09 17:09:40,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f90ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:40, skipping insertion in model container [2020-12-09 17:09:40,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:40" (1/1) ... [2020-12-09 17:09:40,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:09:40,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:09:41,642 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-12-09 17:09:41,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7679059c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:41, skipping insertion in model container [2020-12-09 17:09:41,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:41,643 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 17:09:41,645 INFO L168 Benchmark]: Toolchain (without parser) took 849.63 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.6 MB in the beginning and 51.1 MB in the end (delta: -7.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:41,646 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 67.1 MB. Free memory was 50.4 MB in the beginning and 50.4 MB in the end (delta: 84.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:09:41,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.90 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.4 MB in the beginning and 51.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:41,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 67.1 MB. Free memory was 50.4 MB in the beginning and 50.4 MB in the end (delta: 84.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 847.90 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 43.4 MB in the beginning and 51.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 13.5 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...