./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/heap-manipulation/merge_sort_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/merge_sort_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/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 32bit --witnessprinter.graph.data.programhash e6399ca05df7547b7620299987a8a06e9e2c006b .................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 09:55:27,534 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 09:55:27,535 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 09:55:27,541 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 09:55:27,542 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 09:55:27,542 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 09:55:27,543 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 09:55:27,544 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 09:55:27,544 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 09:55:27,545 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 09:55:27,546 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 09:55:27,546 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 09:55:27,546 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 09:55:27,547 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 09:55:27,548 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 09:55:27,548 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 09:55:27,549 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 09:55:27,550 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 09:55:27,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 09:55:27,552 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 09:55:27,553 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 09:55:27,553 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 09:55:27,554 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 09:55:27,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 09:55:27,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 09:55:27,555 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 09:55:27,556 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 09:55:27,556 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 09:55:27,557 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 09:55:27,557 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 09:55:27,558 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 09:55:27,558 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 09:55:27,558 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 09:55:27,558 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 09:55:27,559 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 09:55:27,560 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 09:55:27,560 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-10 09:55:27,567 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 09:55:27,567 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 09:55:27,568 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 09:55:27,568 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 09:55:27,568 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 09:55:27,568 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 09:55:27,568 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 09:55:27,568 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 09:55:27,569 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 09:55:27,569 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 09:55:27,569 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 09:55:27,569 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 09:55:27,569 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 09:55:27,569 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 09:55:27,570 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 09:55:27,571 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 09:55:27,571 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 09:55:27,571 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 09:55:27,571 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 09:55:27,571 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 09:55:27,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 09:55:27,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 09:55:27,571 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 09:55:27,571 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 09:55:27,572 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 09:55:27,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 09:55:27,572 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6399ca05df7547b7620299987a8a06e9e2c006b [2018-11-10 09:55:27,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 09:55:27,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 09:55:27,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 09:55:27,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 09:55:27,600 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 09:55:27,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/../../sv-benchmarks/c/heap-manipulation/merge_sort_true-unreach-call_true-valid-memsafety.i [2018-11-10 09:55:27,636 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/data/bdd9f6c5f/5dca0d366fc4457899eab0822ca626b0/FLAG896f941c2 [2018-11-10 09:55:28,079 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 09:55:28,080 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/sv-benchmarks/c/heap-manipulation/merge_sort_true-unreach-call_true-valid-memsafety.i [2018-11-10 09:55:28,088 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/data/bdd9f6c5f/5dca0d366fc4457899eab0822ca626b0/FLAG896f941c2 [2018-11-10 09:55:28,097 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_916f283c-fb37-4999-a983-de1039ca623a/bin-2019/utaipan/data/bdd9f6c5f/5dca0d366fc4457899eab0822ca626b0 [2018-11-10 09:55:28,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 09:55:28,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 09:55:28,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 09:55:28,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 09:55:28,104 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 09:55:28,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:28" (1/1) ... [2018-11-10 09:55:28,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154c1e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:28, skipping insertion in model container [2018-11-10 09:55:28,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:55:28" (1/1) ... [2018-11-10 09:55:28,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 09:55:28,149 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 09:55:28,260 WARN L309 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-11-10 09:55:28,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@529b0a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:55:28, skipping insertion in model container [2018-11-10 09:55:28,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 09:55:28,261 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-10 09:55:28,261 INFO L168 Benchmark]: Toolchain (without parser) took 161.88 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:28,262 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 09:55:28,263 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.87 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 09:55:28,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 159.87 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 945.8 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 76]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...