./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_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_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/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 28eb62e409662a14417b5a67d3fe5de851f13e52 ........................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-09 23:06:37,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:06:37,569 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:06:37,577 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:06:37,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:06:37,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:06:37,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:06:37,580 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:06:37,581 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:06:37,582 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:06:37,582 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:06:37,582 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:06:37,583 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:06:37,584 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:06:37,584 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:06:37,585 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:06:37,586 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:06:37,587 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:06:37,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:06:37,589 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:06:37,590 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:06:37,591 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:06:37,592 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:06:37,592 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:06:37,593 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:06:37,593 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:06:37,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:06:37,595 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:06:37,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:06:37,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:06:37,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:06:37,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:06:37,597 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:06:37,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:06:37,597 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:06:37,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:06:37,598 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-11-09 23:06:37,608 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:06:37,608 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:06:37,609 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:06:37,609 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:06:37,610 INFO L133 SettingsManager]: * Use SBE=true [2018-11-09 23:06:37,610 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:06:37,610 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:06:37,610 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-09 23:06:37,610 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:06:37,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:06:37,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:06:37,611 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-09 23:06:37,611 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-09 23:06:37,611 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-09 23:06:37,611 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:06:37,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:06:37,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:06:37,611 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-09 23:06:37,612 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:06:37,612 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-09 23:06:37,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-09 23:06:37,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:06:37,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:06:37,612 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-09 23:06:37,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:06:37,613 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_678ea041-5b4c-4457-8654-857b32c3ab08/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 -> 28eb62e409662a14417b5a67d3fe5de851f13e52 [2018-11-09 23:06:37,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:06:37,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:06:37,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:06:37,645 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:06:37,645 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:06:37,646 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-11-09 23:06:37,681 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/data/c6114e150/241c9c40071f46a88eec7248d96bdf40/FLAGe598c138b [2018-11-09 23:06:38,017 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:06:38,017 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/sv-benchmarks/c/list-simple/dll2n_prepend_unequal_true-unreach-call_true-valid-memsafety.i [2018-11-09 23:06:38,024 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/data/c6114e150/241c9c40071f46a88eec7248d96bdf40/FLAGe598c138b [2018-11-09 23:06:38,034 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_678ea041-5b4c-4457-8654-857b32c3ab08/bin-2019/uautomizer/data/c6114e150/241c9c40071f46a88eec7248d96bdf40 [2018-11-09 23:06:38,036 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:06:38,037 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-09 23:06:38,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:06:38,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:06:38,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:06:38,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:06:38" (1/1) ... [2018-11-09 23:06:38,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fce3983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:38, skipping insertion in model container [2018-11-09 23:06:38,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:06:38" (1/1) ... [2018-11-09 23:06:38,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:06:38,083 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:06:38,185 WARN L309 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-11-09 23:06:38,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7bdc3f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:38, skipping insertion in model container [2018-11-09 23:06:38,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:06:38,185 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-11-09 23:06:38,186 INFO L168 Benchmark]: Toolchain (without parser) took 149.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 945.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:06:38,187 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:06:38,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 147.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 945.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-09 23:06:38,188 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 147.45 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 945.7 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...