./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-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_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/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 ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f .......................................................................................................................................... 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_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/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 ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:32:17,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:32:17,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:32:17,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:32:17,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:32:17,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:32:17,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:32:17,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:32:17,940 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:32:17,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:32:17,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:32:17,949 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:32:17,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:32:17,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:32:17,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:32:17,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:32:17,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:32:17,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:32:17,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:32:17,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:32:17,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:32:17,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:32:17,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:32:17,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:32:17,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:32:17,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:32:17,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:32:17,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:32:17,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:32:17,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:32:17,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:32:17,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:32:17,992 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:32:17,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:32:17,994 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:32:17,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:32:17,995 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:32:17,995 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:32:17,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:32:17,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:32:17,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:32:18,000 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:32:18,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:32:18,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:32:18,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:32:18,049 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:32:18,049 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:32:18,049 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:32:18,049 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:32:18,050 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:32:18,050 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:32:18,050 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:32:18,051 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:32:18,051 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:32:18,052 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:32:18,052 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:32:18,052 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:32:18,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:32:18,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:32:18,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:32:18,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:32:18,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:32:18,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:32:18,054 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:32:18,054 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:32:18,054 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:32:18,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:32:18,055 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:32:18,056 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:32:18,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:32:18,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:32:18,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:32:18,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:32:18,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:32:18,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:32:18,058 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:32:18,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:32:18,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:32:18,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:32:18,059 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_15950f58-ee2f-4e4d-a067-569bf0369cee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f [2020-11-28 07:32:18,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:32:18,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:32:18,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:32:18,329 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:32:18,334 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:32:18,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-11-28 07:32:18,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/cd396996b/3b4cbd177bf847dfa1d80bd0c2e4902e/FLAG31e6780e8 [2020-11-28 07:32:19,139 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:32:19,139 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-11-28 07:32:19,165 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/cd396996b/3b4cbd177bf847dfa1d80bd0c2e4902e/FLAG31e6780e8 [2020-11-28 07:32:19,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/cd396996b/3b4cbd177bf847dfa1d80bd0c2e4902e [2020-11-28 07:32:19,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:32:19,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:32:19,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:32:19,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:32:19,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:32:19,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:32:19" (1/1) ... [2020-11-28 07:32:19,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e1d28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:32:19, skipping insertion in model container [2020-11-28 07:32:19,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:32:19" (1/1) ... [2020-11-28 07:32:19,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:32:19,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:32:20,393 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:32:20,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7971a2fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:32:20, skipping insertion in model container [2020-11-28 07:32:20,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:32:20,394 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:32:20,396 INFO L168 Benchmark]: Toolchain (without parser) took 1107.94 ms. Allocated memory is still 86.0 MB. Free memory was 54.9 MB in the beginning and 49.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:20,397 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:32:20,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1104.17 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 49.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:20,399 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 47.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1104.17 ms. Allocated memory is still 86.0 MB. Free memory was 54.6 MB in the beginning and 49.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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-a4ecdab [2020-11-28 07:32:22,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:32:22,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:32:22,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:32:22,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:32:22,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:32:22,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:32:22,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:32:22,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:32:22,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:32:22,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:32:22,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:32:22,620 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:32:22,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:32:22,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:32:22,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:32:22,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:32:22,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:32:22,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:32:22,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:32:22,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:32:22,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:32:22,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:32:22,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:32:22,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:32:22,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:32:22,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:32:22,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:32:22,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:32:22,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:32:22,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:32:22,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:32:22,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:32:22,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:32:22,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:32:22,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:32:22,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:32:22,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:32:22,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:32:22,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:32:22,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:32:22,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:32:22,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:32:22,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:32:22,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:32:22,747 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:32:22,747 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:32:22,747 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:32:22,748 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:32:22,748 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:32:22,748 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:32:22,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:32:22,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:32:22,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:32:22,751 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:32:22,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:32:22,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:32:22,752 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:32:22,752 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:32:22,752 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:32:22,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:32:22,753 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:32:22,753 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:32:22,753 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:32:22,753 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:32:22,754 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:32:22,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:32:22,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:32:22,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:32:22,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:32:22,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:32:22,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:32:22,755 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:32:22,755 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:32:22,756 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:32:22,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:32:22,756 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_15950f58-ee2f-4e4d-a067-569bf0369cee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8fe9fe135a6b4384cb3c4b7ad3dfb8ac3f8c8f [2020-11-28 07:32:23,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:32:23,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:32:23,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:32:23,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:32:23,182 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:32:23,183 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-11-28 07:32:23,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/3544429b6/2d30c3da409b4d75a4530afa86b42108/FLAG01210732c [2020-11-28 07:32:23,968 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:32:23,969 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2020-11-28 07:32:23,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/3544429b6/2d30c3da409b4d75a4530afa86b42108/FLAG01210732c [2020-11-28 07:32:24,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_15950f58-ee2f-4e4d-a067-569bf0369cee/bin/utaipan/data/3544429b6/2d30c3da409b4d75a4530afa86b42108 [2020-11-28 07:32:24,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:32:24,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:32:24,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:32:24,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:32:24,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:32:24,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:32:24" (1/1) ... [2020-11-28 07:32:24,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782ba434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:32:24, skipping insertion in model container [2020-11-28 07:32:24,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:32:24" (1/1) ... [2020-11-28 07:32:24,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:32:24,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:32:25,329 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-11-28 07:32:25,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b533083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:32:25, skipping insertion in model container [2020-11-28 07:32:25,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:32:25,331 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:32:25,333 INFO L168 Benchmark]: Toolchain (without parser) took 1239.28 ms. Allocated memory is still 75.5 MB. Free memory was 47.8 MB in the beginning and 45.3 MB in the end (delta: 2.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:25,334 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 34.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:32:25,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1236.04 ms. Allocated memory is still 75.5 MB. Free memory was 47.6 MB in the beginning and 45.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:32:25,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.7 MB in the end (delta: 34.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1236.04 ms. Allocated memory is still 75.5 MB. Free memory was 47.6 MB in the beginning and 45.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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...