./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 707f24c72c63346ec05641b1665aeeecec8225e6 ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:48:01,745 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:48:01,747 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:48:01,757 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:48:01,757 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:48:01,758 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:48:01,759 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:48:01,760 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:48:01,761 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:48:01,762 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:48:01,763 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:48:01,763 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:48:01,764 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:48:01,765 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:48:01,766 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:48:01,767 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:48:01,767 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:48:01,769 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:48:01,770 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:48:01,772 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:48:01,773 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:48:01,774 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:48:01,775 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:48:01,776 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:48:01,776 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:48:01,776 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:48:01,778 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:48:01,778 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:48:01,779 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:48:01,780 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:48:01,780 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:48:01,781 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:48:01,781 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:48:01,781 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:48:01,782 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:48:01,783 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:48:01,783 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-23 13:48:01,794 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:48:01,794 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:48:01,795 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:48:01,795 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:48:01,796 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:48:01,796 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:48:01,796 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:48:01,796 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:48:01,796 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:48:01,796 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 13:48:01,797 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:48:01,798 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:48:01,798 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:48:01,798 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 13:48:01,798 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 13:48:01,798 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 13:48:01,799 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:48:01,799 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:48:01,799 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:48:01,799 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:48:01,799 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:48:01,799 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:48:01,799 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:48:01,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:48:01,800 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:48:01,800 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:48:01,800 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:48:01,800 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:48:01,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer 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 -> Automizer 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 -> 707f24c72c63346ec05641b1665aeeecec8225e6 [2018-11-23 13:48:01,825 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:48:01,834 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:48:01,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:48:01,838 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:48:01,838 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:48:01,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i [2018-11-23 13:48:01,879 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/data/465ad0e16/b7e1506ada4b40c2898a21dda7bc863f/FLAG58fb1a6bc [2018-11-23 13:48:02,250 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:48:02,251 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca_true-valid-memsafety_true-termination.i [2018-11-23 13:48:02,258 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/data/465ad0e16/b7e1506ada4b40c2898a21dda7bc863f/FLAG58fb1a6bc [2018-11-23 13:48:02,649 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_284b6407-e6f8-4774-aed8-15ca35aa551d/bin-2019/uautomizer/data/465ad0e16/b7e1506ada4b40c2898a21dda7bc863f [2018-11-23 13:48:02,652 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:48:02,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-23 13:48:02,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:48:02,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:48:02,656 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:48:02,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:02" (1/1) ... [2018-11-23 13:48:02,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693217b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:02, skipping insertion in model container [2018-11-23 13:48:02,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:02" (1/1) ... [2018-11-23 13:48:02,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:48:02,692 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:48:02,812 ERROR L311 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-11-23 13:48:02,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78e6489f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:02, skipping insertion in model container [2018-11-23 13:48:02,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:48:02,813 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-23 13:48:02,813 INFO L168 Benchmark]: Toolchain (without parser) took 160.97 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:48:02,814 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:48:02,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:48:02,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 69]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...