./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ccd9175bc78e257bbf4cf5a6f64f3805ac593d6c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ccd9175bc78e257bbf4cf5a6f64f3805ac593d6c .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:42:59,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:59,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:59,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:59,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:59,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:59,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:59,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:59,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:59,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:59,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:59,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:59,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:59,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:59,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:59,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:42:59,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:42:59,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:42:59,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:42:59,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:42:59,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:42:59,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:42:59,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:42:59,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:42:59,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:42:59,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:42:59,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:42:59,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:42:59,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:42:59,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:42:59,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:42:59,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:42:59,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:42:59,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:42:59,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:42:59,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:42:59,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:42:59,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:42:59,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:42:59,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:42:59,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:42:59,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:42:59,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:42:59,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:42:59,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:42:59,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:42:59,794 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:42:59,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:42:59,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:42:59,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:42:59,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:42:59,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:42:59,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:42:59,796 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:42:59,796 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:42:59,798 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:42:59,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:42:59,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:42:59,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:42:59,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:42:59,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:42:59,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:42:59,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:42:59,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:42:59,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:42:59,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:42:59,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:42:59,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:42:59,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:42:59,808 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ccd9175bc78e257bbf4cf5a6f64f3805ac593d6c [2019-11-27 17:43:00,452 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:00,481 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:00,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:00,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:00,495 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:00,496 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2019-11-27 17:43:00,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bbee934e/c45f965a0c8d42c3be4d49b4311529ac/FLAG77270dfc5 [2019-11-27 17:43:01,929 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:01,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2019-11-27 17:43:01,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bbee934e/c45f965a0c8d42c3be4d49b4311529ac/FLAG77270dfc5 [2019-11-27 17:43:02,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bbee934e/c45f965a0c8d42c3be4d49b4311529ac [2019-11-27 17:43:02,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:02,020 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:02,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:02,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:02,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:02,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:02,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@281e5afc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:02, skipping insertion in model container [2019-11-27 17:43:02,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:02,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:02,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:03,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:03,142 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:03,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:03,412 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:03,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03 WrapperNode [2019-11-27 17:43:03,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:03,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:03,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:03,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03" (1/1) ... [2019-11-27 17:43:03,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,615 INFO L168 Benchmark]: Toolchain (without parser) took 1575.18 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,616 INFO L168 Benchmark]: CDTParser took 3.09 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,621 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1392.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:03,623 INFO L168 Benchmark]: Boogie Preprocessor took 173.28 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.09 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1392.01 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.5 MB in the end (delta: -16.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 173.28 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:43:07,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:07,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:07,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:07,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:07,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:07,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:07,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:07,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:07,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:07,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:07,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:07,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:07,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:07,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:07,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:07,580 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:07,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:07,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:07,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:07,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:07,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:07,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:07,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:07,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:07,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:07,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:07,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:07,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:07,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:07,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:07,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:07,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:07,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:07,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:07,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:07,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:07,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:07,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:07,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:07,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:07,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:07,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:07,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:07,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:07,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:07,712 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:07,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:07,713 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:07,713 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:07,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:07,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:07,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:07,718 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:07,718 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:07,719 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:07,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:07,721 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:07,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:07,721 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:07,722 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:07,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:07,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:07,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:07,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:07,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:07,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:07,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:07,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:07,728 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:07,729 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:07,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:07,730 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ccd9175bc78e257bbf4cf5a6f64f3805ac593d6c [2019-11-27 17:43:08,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:08,319 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:08,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:08,331 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:08,335 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:08,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2019-11-27 17:43:08,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ef7d4cd3/f93d2d7e0a754d21b391c951f9600ba8/FLAGbb25a5a20 [2019-11-27 17:43:09,719 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:09,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstpncpy-alloca-1.i [2019-11-27 17:43:09,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ef7d4cd3/f93d2d7e0a754d21b391c951f9600ba8/FLAGbb25a5a20 [2019-11-27 17:43:09,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ef7d4cd3/f93d2d7e0a754d21b391c951f9600ba8 [2019-11-27 17:43:09,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:09,813 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:09,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:09,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:09,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:09,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:09" (1/1) ... [2019-11-27 17:43:09,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c61759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:09, skipping insertion in model container [2019-11-27 17:43:09,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:09" (1/1) ... [2019-11-27 17:43:09,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:09,965 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:10,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:10,982 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:11,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:11,257 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:11,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11 WrapperNode [2019-11-27 17:43:11,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:11,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:11,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:11,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:11,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:11" (1/1) ... [2019-11-27 17:43:11,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:11,484 INFO L168 Benchmark]: Toolchain (without parser) took 1664.75 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:11,484 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:11,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1448.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:11,496 INFO L168 Benchmark]: Boogie Preprocessor took 209.98 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:11,506 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1448.23 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 209.98 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.6 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...