./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/array-memsafety/diff-alloca_true-valid-memsafety_true-termination.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_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/diff-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/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 986c31897144a5b76f321e97eaa1d3383cce25ed ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:46:45,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:46:45,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:46:45,728 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:46:45,728 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:46:45,729 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:46:45,730 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:46:45,731 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:46:45,733 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:46:45,734 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:46:45,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:46:45,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:46:45,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:46:45,737 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:46:45,738 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:46:45,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:46:45,739 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:46:45,741 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:46:45,742 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:46:45,744 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:46:45,745 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:46:45,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:46:45,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:46:45,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:46:45,749 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:46:45,750 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:46:45,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:46:45,751 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:46:45,752 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:46:45,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:46:45,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:46:45,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:46:45,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:46:45,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:46:45,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:46:45,760 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:46:45,761 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:46:45,773 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:46:45,773 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:46:45,774 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:46:45,774 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:46:45,774 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:46:45,776 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:46:45,776 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:46:45,777 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:46:45,777 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:46:45,778 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:46:45,778 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:46:45,778 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:46:45,778 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:46:45,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:46:45,779 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:46:45,779 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:46:45,779 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:46:45,779 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:46:45,779 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:46:45,779 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:46:45,780 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:46:45,780 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:46:45,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:46:45,780 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:46:45,780 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:46:45,780 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:46:45,780 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:46:45,781 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:46:45,781 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:46:45,781 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:46:45,781 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:46:45,781 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:46:45,781 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:46:45,781 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:46:45,782 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_bb765b47-2855-474f-a289-da3123f5a27b/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 -> 986c31897144a5b76f321e97eaa1d3383cce25ed [2018-10-27 04:46:45,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:46:45,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:46:45,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:46:45,830 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:46:45,830 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:46:45,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/../../sv-benchmarks/c/array-memsafety/diff-alloca_true-valid-memsafety_true-termination.i [2018-10-27 04:46:45,877 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/data/51cb78dd6/7467909aadec4023bc2929b6b85caab9/FLAG39ea82dee [2018-10-27 04:46:46,314 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:46:46,315 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/sv-benchmarks/c/array-memsafety/diff-alloca_true-valid-memsafety_true-termination.i [2018-10-27 04:46:46,324 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/data/51cb78dd6/7467909aadec4023bc2929b6b85caab9/FLAG39ea82dee [2018-10-27 04:46:46,336 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb765b47-2855-474f-a289-da3123f5a27b/bin-2019/utaipan/data/51cb78dd6/7467909aadec4023bc2929b6b85caab9 [2018-10-27 04:46:46,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:46:46,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:46:46,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:46,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:46:46,344 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:46:46,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:46" (1/1) ... [2018-10-27 04:46:46,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb9aeb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:46, skipping insertion in model container [2018-10-27 04:46:46,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:46" (1/1) ... [2018-10-27 04:46:46,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:46:46,391 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:46:46,520 WARN L309 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-10-27 04:46:46,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@717c039a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:46, skipping insertion in model container [2018-10-27 04:46:46,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:46,521 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-10-27 04:46:46,522 INFO L168 Benchmark]: Toolchain (without parser) took 182.51 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 951.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:46,523 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:46:46,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 180.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 951.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:46:46,525 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 180.23 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 951.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 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...