./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.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_cstrcpy-alloca-2.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 5731971c09a136eb079f9cbecfc34cb6e82f7a1b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_cstrcpy-alloca-2.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 5731971c09a136eb079f9cbecfc34cb6e82f7a1b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:42:59,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:42:59,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:42:59,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:42:59,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:42:59,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:42:59,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:42:59,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:42:59,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:42:59,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:42:59,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:42:59,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:42:59,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:42:59,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:42:59,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:42:59,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:00,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:00,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:00,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:00,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:00,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:00,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:00,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:00,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:00,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:00,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:00,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:00,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:00,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:00,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:00,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:00,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:00,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:00,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:00,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:00,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:00,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:00,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:00,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:00,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:00,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:00,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 17:43:00,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:00,115 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:00,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:00,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:00,121 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:00,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:00,121 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:00,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:00,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:00,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:00,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:00,126 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:00,126 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:00,127 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:00,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:00,129 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:00,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:00,130 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:00,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:00,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:00,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:00,134 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:00,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:00,134 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:00,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:00,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:43:00,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:43:00,136 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 -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2019-11-27 17:43:00,653 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:00,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:00,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:00,676 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:00,679 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:00,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-27 17:43:00,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af596d266/87458d5d83e6435aadfd7602bc664217/FLAG037fa4aaf [2019-11-27 17:43:01,944 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:01,947 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-27 17:43:01,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af596d266/87458d5d83e6435aadfd7602bc664217/FLAG037fa4aaf [2019-11-27 17:43:02,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af596d266/87458d5d83e6435aadfd7602bc664217 [2019-11-27 17:43:02,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:02,075 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:02,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:02,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:02,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:02,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:02,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fbbcf3 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 17:43:02,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:02" (1/1) ... [2019-11-27 17:43:02,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:02,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:03,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:03,104 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:03,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:03,326 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:03,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:03 WrapperNode [2019-11-27 17:43:03,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:03,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:03,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:03,364 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 17:43:03,365 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 17:43:03,418 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 17:43:03,418 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 17:43:03,469 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 17:43:03,479 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 17:43:03,493 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 17:43:03,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:03,520 INFO L168 Benchmark]: Toolchain (without parser) took 1440.33 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 979.7 MB in the end (delta: -18.0 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,525 INFO L168 Benchmark]: CDTParser took 0.47 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 17:43:03,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1251.31 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:03,536 INFO L168 Benchmark]: Boogie Preprocessor took 180.59 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:03,545 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 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 1251.31 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 979.7 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 180.59 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 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 17:43:07,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:43:07,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:43:07,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:43:07,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:43:07,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:43:07,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:43:07,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:43:07,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:43:07,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:43:07,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:43:07,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:43:07,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:43:07,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:43:07,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:43:07,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:43:07,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:43:07,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:43:07,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:43:07,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:43:07,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:43:07,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:43:07,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:43:07,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:43:07,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:43:07,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:43:07,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:43:07,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:43:07,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:43:07,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:43:07,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:43:07,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:43:07,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:43:07,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:43:07,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:43:07,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:43:07,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:43:07,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:43:07,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:43:07,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:43:07,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:43:07,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 17:43:07,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:43:07,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:43:07,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:43:07,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:43:07,593 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:43:07,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:43:07,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 17:43:07,596 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:43:07,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:43:07,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 17:43:07,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:43:07,598 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:43:07,598 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:43:07,599 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:43:07,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:43:07,601 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:43:07,601 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:43:07,601 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:43:07,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 17:43:07,602 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:43:07,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:43:07,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:43:07,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:43:07,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:43:07,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:43:07,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:43:07,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:43:07,607 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:43:07,608 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:43:07,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:43:07,609 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 -> 5731971c09a136eb079f9cbecfc34cb6e82f7a1b [2019-11-27 17:43:08,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:43:08,203 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:43:08,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:43:08,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:43:08,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:43:08,220 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-27 17:43:08,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53687c831/f0fbe4fa0e3746c5934d0f653d2488a3/FLAGdf124368a [2019-11-27 17:43:09,405 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:43:09,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2019-11-27 17:43:09,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53687c831/f0fbe4fa0e3746c5934d0f653d2488a3/FLAGdf124368a [2019-11-27 17:43:09,490 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53687c831/f0fbe4fa0e3746c5934d0f653d2488a3 [2019-11-27 17:43:09,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:43:09,506 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:43:09,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:09,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:43:09,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:43:09,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:09" (1/1) ... [2019-11-27 17:43:09,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57095ab8 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 17:43:09,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:43:09" (1/1) ... [2019-11-27 17:43:09,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:43:09,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:43:10,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:10,559 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 17:43:10,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 17:43:10,782 INFO L208 MainTranslator]: Completed translation [2019-11-27 17:43:10,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10 WrapperNode [2019-11-27 17:43:10,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:43:10,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 17:43:10,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 17:43:10,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 17:43:10,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:43:10" (1/1) ... [2019-11-27 17:43:10,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 17:43:10,995 INFO L168 Benchmark]: Toolchain (without parser) took 1491.04 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 974.2 MB in the end (delta: -12.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:43:10,998 INFO L168 Benchmark]: CDTParser took 0.48 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 17:43:11,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1275.24 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:11,007 INFO L168 Benchmark]: Boogie Preprocessor took 207.10 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 17:43:11,020 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 1275.24 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 980.0 MB in the end (delta: -18.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 207.10 ms. Allocated memory is still 1.0 GB. Free memory was 980.0 MB in the beginning and 974.2 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...