./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/uniq-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_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/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 d4f3beee7d9a211cc04d5df24adf0d3371004e18 ........................................................................................................................................ 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_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/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 d4f3beee7d9a211cc04d5df24adf0d3371004e18 ..................................................................................................................................... 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 05:02:43,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 05:02:43,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 05:02:43,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 05:02:43,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 05:02:43,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 05:02:43,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 05:02:43,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 05:02:43,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 05:02:43,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 05:02:43,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 05:02:43,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 05:02:43,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 05:02:43,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 05:02:43,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 05:02:43,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 05:02:43,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 05:02:43,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 05:02:43,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 05:02:43,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 05:02:43,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 05:02:43,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 05:02:43,854 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 05:02:43,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 05:02:43,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 05:02:43,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 05:02:43,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 05:02:43,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 05:02:43,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 05:02:43,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 05:02:43,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 05:02:43,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 05:02:43,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 05:02:43,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 05:02:43,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 05:02:43,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 05:02:43,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 05:02:43,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 05:02:43,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 05:02:43,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 05:02:43,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 05:02:43,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 05:02:43,889 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 05:02:43,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 05:02:43,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 05:02:43,890 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 05:02:43,891 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 05:02:43,891 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 05:02:43,891 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 05:02:43,891 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 05:02:43,891 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 05:02:43,891 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 05:02:43,892 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 05:02:43,892 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 05:02:43,892 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 05:02:43,892 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 05:02:43,892 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 05:02:43,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 05:02:43,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 05:02:43,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 05:02:43,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 05:02:43,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 05:02:43,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 05:02:43,894 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 05:02:43,894 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 05:02:43,894 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 05:02:43,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 05:02:43,895 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 05:02:43,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 05:02:43,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 05:02:43,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 05:02:43,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:02:43,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 05:02:43,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 05:02:43,896 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 05:02:43,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 05:02:43,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 05:02:43,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 05:02:43,897 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_d59acc36-f7bb-4370-82c6-1173817bb7df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2020-12-09 05:02:44,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 05:02:44,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 05:02:44,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 05:02:44,101 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 05:02:44,101 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 05:02:44,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-12-09 05:02:44,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/1b66343ea/e602c35984d34d1d91554ac21a7e5470/FLAG136d0dceb [2020-12-09 05:02:44,696 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 05:02:44,696 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-12-09 05:02:44,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/1b66343ea/e602c35984d34d1d91554ac21a7e5470/FLAG136d0dceb [2020-12-09 05:02:45,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/1b66343ea/e602c35984d34d1d91554ac21a7e5470 [2020-12-09 05:02:45,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 05:02:45,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 05:02:45,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 05:02:45,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 05:02:45,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 05:02:45,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:02:45" (1/1) ... [2020-12-09 05:02:45,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3de796b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:45, skipping insertion in model container [2020-12-09 05:02:45,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:02:45" (1/1) ... [2020-12-09 05:02:45,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 05:02:45,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 05:02:46,118 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-12-09 05:02:46,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7056f1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:46, skipping insertion in model container [2020-12-09 05:02:46,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 05:02:46,119 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 05:02:46,120 INFO L168 Benchmark]: Toolchain (without parser) took 938.77 ms. Allocated memory is still 134.2 MB. Free memory was 107.0 MB in the beginning and 78.3 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 05:02:46,121 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 67.1 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:02:46,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.24 ms. Allocated memory is still 134.2 MB. Free memory was 106.8 MB in the beginning and 78.3 MB in the end (delta: 28.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 05:02:46,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 67.1 MB. Free memory is still 37.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 937.24 ms. Allocated memory is still 134.2 MB. Free memory was 106.8 MB in the beginning and 78.3 MB in the end (delta: 28.5 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 05:02:47,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 05:02:47,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 05:02:47,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 05:02:47,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 05:02:47,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 05:02:47,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 05:02:47,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 05:02:47,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 05:02:47,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 05:02:47,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 05:02:47,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 05:02:47,472 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 05:02:47,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 05:02:47,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 05:02:47,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 05:02:47,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 05:02:47,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 05:02:47,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 05:02:47,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 05:02:47,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 05:02:47,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 05:02:47,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 05:02:47,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 05:02:47,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 05:02:47,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 05:02:47,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 05:02:47,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 05:02:47,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 05:02:47,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 05:02:47,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 05:02:47,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 05:02:47,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 05:02:47,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 05:02:47,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 05:02:47,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 05:02:47,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 05:02:47,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 05:02:47,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 05:02:47,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 05:02:47,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 05:02:47,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 05:02:47,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 05:02:47,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 05:02:47,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 05:02:47,511 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 05:02:47,512 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 05:02:47,512 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 05:02:47,512 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 05:02:47,512 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 05:02:47,512 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 05:02:47,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 05:02:47,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 05:02:47,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 05:02:47,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 05:02:47,514 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 05:02:47,514 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 05:02:47,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 05:02:47,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 05:02:47,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 05:02:47,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 05:02:47,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 05:02:47,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 05:02:47,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 05:02:47,515 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 05:02:47,515 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 05:02:47,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 05:02:47,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 05:02:47,515 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_d59acc36-f7bb-4370-82c6-1173817bb7df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4f3beee7d9a211cc04d5df24adf0d3371004e18 [2020-12-09 05:02:47,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 05:02:47,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 05:02:47,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 05:02:47,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 05:02:47,758 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 05:02:47,759 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-12-09 05:02:47,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/f174e98b7/60be25bc33174f4589d18e05807f2f8f/FLAGcbe553389 [2020-12-09 05:02:48,342 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 05:02:48,343 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/sv-benchmarks/c/busybox-1.22.0/uniq-2.i [2020-12-09 05:02:48,363 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/f174e98b7/60be25bc33174f4589d18e05807f2f8f/FLAGcbe553389 [2020-12-09 05:02:48,834 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d59acc36-f7bb-4370-82c6-1173817bb7df/bin/utaipan/data/f174e98b7/60be25bc33174f4589d18e05807f2f8f [2020-12-09 05:02:48,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 05:02:48,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 05:02:48,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 05:02:48,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 05:02:48,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 05:02:48,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:02:48" (1/1) ... [2020-12-09 05:02:48,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b2dc3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:48, skipping insertion in model container [2020-12-09 05:02:48,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:02:48" (1/1) ... [2020-12-09 05:02:48,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 05:02:48,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 05:02:49,784 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-12-09 05:02:49,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4db5c4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:02:49, skipping insertion in model container [2020-12-09 05:02:49,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 05:02:49,785 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 05:02:49,787 INFO L168 Benchmark]: Toolchain (without parser) took 948.42 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 41.3 MB in the beginning and 46.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-12-09 05:02:49,787 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 65.0 MB. Free memory was 48.2 MB in the beginning and 48.1 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 05:02:49,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.96 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 46.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-12-09 05:02:49,789 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 65.0 MB. Free memory was 48.2 MB in the beginning and 48.1 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 946.96 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 41.1 MB in the beginning and 46.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2504]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...