./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl_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_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/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 a6b454dc36e62bedfd51b2c8e5215fc7f02533b1 ....................................................................................................................................... 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 10:34:56,571 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:34:56,572 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:34:56,581 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:34:56,581 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:34:56,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:34:56,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:34:56,584 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:34:56,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:34:56,586 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:34:56,587 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:34:56,587 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:34:56,588 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:34:56,588 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:34:56,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:34:56,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:34:56,590 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:34:56,591 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:34:56,593 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:34:56,594 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:34:56,595 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:34:56,596 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:34:56,597 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:34:56,597 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:34:56,598 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:34:56,598 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:34:56,599 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:34:56,600 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:34:56,600 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:34:56,601 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:34:56,601 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:34:56,602 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:34:56,602 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:34:56,602 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:34:56,603 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:34:56,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:34:56,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-11-10 10:34:56,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:34:56,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:34:56,615 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:34:56,615 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:34:56,615 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:34:56,616 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:34:56,616 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:34:56,616 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:34:56,616 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:34:56,616 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:34:56,616 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:34:56,617 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 10:34:56,617 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 10:34:56,617 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:34:56,617 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:34:56,617 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 10:34:56,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:34:56,618 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:34:56,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:34:56,618 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 10:34:56,618 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 10:34:56,618 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 10:34:56,618 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:34:56,619 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:34:56,619 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:34:56,619 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:34:56,619 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:34:56,619 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:34:56,619 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:34:56,619 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:34:56,620 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:34:56,620 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:34:56,620 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:34:56,620 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:34:56,620 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_99fc06ac-a521-48bf-a0e8-26c61ea6408d/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 -> a6b454dc36e62bedfd51b2c8e5215fc7f02533b1 [2018-11-10 10:34:56,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:34:56,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:34:56,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:34:56,657 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:34:56,657 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:34:56,658 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/../../sv-benchmarks/c/memsafety-ext/skiplist_3lvl_true-valid-memsafety.i [2018-11-10 10:34:56,697 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/data/b009c9989/13eecadb1fd94ffb9ae1bdc183982648/FLAG5e63f923e [2018-11-10 10:34:57,080 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:34:57,080 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/sv-benchmarks/c/memsafety-ext/skiplist_3lvl_true-valid-memsafety.i [2018-11-10 10:34:57,091 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/data/b009c9989/13eecadb1fd94ffb9ae1bdc183982648/FLAG5e63f923e [2018-11-10 10:34:57,101 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99fc06ac-a521-48bf-a0e8-26c61ea6408d/bin-2019/utaipan/data/b009c9989/13eecadb1fd94ffb9ae1bdc183982648 [2018-11-10 10:34:57,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:34:57,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:34:57,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:34:57,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:34:57,106 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:34:57,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:34:57" (1/1) ... [2018-11-10 10:34:57,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126b94c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:57, skipping insertion in model container [2018-11-10 10:34:57,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:34:57" (1/1) ... [2018-11-10 10:34:57,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:34:57,142 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:34:57,228 WARN L309 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-11-10 10:34:57,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@32e8620a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:34:57, skipping insertion in model container [2018-11-10 10:34:57,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:34:57,229 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-10 10:34:57,230 INFO L168 Benchmark]: Toolchain (without parser) took 126.53 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 947.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:57,231 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:34:57,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.92 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 947.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:34:57,233 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.92 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 947.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 10]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...