./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 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_cstrcat-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 cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_cstrcat-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 cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:20:34,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:34,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:34,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:34,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:34,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:34,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:34,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:34,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:34,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:34,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:34,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:34,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:34,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:34,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:34,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:34,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:34,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:34,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:34,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:34,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:34,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:34,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:34,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:34,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:34,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:34,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:34,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:34,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:34,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:34,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:34,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:34,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:34,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:34,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:34,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:34,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:34,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:34,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:34,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:34,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:34,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:20:34,667 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:34,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:34,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:34,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:34,681 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:34,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:34,682 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:34,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:34,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:34,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:34,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:34,686 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:34,686 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:34,687 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:34,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:34,688 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:34,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:34,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:34,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:34,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:34,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:34,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:34,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:34,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:34,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:34,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:20:34,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:20:34,694 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 -> cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 [2019-11-27 11:20:35,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:35,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:35,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:35,266 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:35,267 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:35,268 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 11:20:35,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7ebd064/a51a305f075a4ce08eb7825ade611043/FLAGc4a57e648 [2019-11-27 11:20:36,591 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:36,592 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 11:20:36,637 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7ebd064/a51a305f075a4ce08eb7825ade611043/FLAGc4a57e648 [2019-11-27 11:20:36,675 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7ebd064/a51a305f075a4ce08eb7825ade611043 [2019-11-27 11:20:36,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:36,691 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:36,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:36,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:36,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:36,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70002f10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:36, skipping insertion in model container [2019-11-27 11:20:36,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:36" (1/1) ... [2019-11-27 11:20:36,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:36,830 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:37,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:37,734 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:37,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:37,976 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:37,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37 WrapperNode [2019-11-27 11:20:37,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:37,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:37,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:37,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:38,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:38,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:38,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:38,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:38,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:38,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:38,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:37" (1/1) ... [2019-11-27 11:20:38,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:38,177 INFO L168 Benchmark]: Toolchain (without parser) took 1479.49 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 978.2 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:38,178 INFO L168 Benchmark]: CDTParser took 3.39 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 11:20:38,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1286.85 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:38,189 INFO L168 Benchmark]: Boogie Preprocessor took 182.07 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:38,199 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.39 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 1286.85 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 182.07 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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-da95e15 [2019-11-27 11:20:41,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:20:41,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:20:41,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:20:41,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:20:41,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:20:41,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:20:41,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:20:41,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:20:41,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:20:41,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:20:41,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:20:41,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:20:41,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:20:41,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:20:41,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:20:41,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:20:41,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:20:41,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:20:41,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:20:42,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:20:42,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:20:42,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:20:42,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:20:42,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:20:42,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:20:42,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:20:42,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:20:42,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:20:42,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:20:42,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:20:42,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:20:42,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:20:42,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:20:42,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:20:42,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:20:42,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:20:42,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:20:42,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:20:42,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:20:42,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:20:42,035 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:20:42,063 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:20:42,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:20:42,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:20:42,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:20:42,069 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:20:42,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:20:42,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:20:42,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:20:42,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:20:42,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:20:42,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:20:42,071 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:20:42,074 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:20:42,074 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:20:42,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:20:42,075 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:20:42,075 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:20:42,075 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:20:42,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:20:42,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:20:42,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:20:42,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:20:42,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:20:42,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:20:42,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:20:42,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:20:42,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:20:42,079 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:20:42,079 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:20:42,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:20:42,081 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 -> cb6ff0b2d9abd29a15d3eb2d5a86a23b460e9725 [2019-11-27 11:20:42,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:20:42,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:20:42,681 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:20:42,686 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:20:42,687 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:20:42,691 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 11:20:42,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17d10bdb/b7d5fe33a5f242fdb24a59ecc80db2d1/FLAG582939901 [2019-11-27 11:20:44,038 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:20:44,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-27 11:20:44,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17d10bdb/b7d5fe33a5f242fdb24a59ecc80db2d1/FLAG582939901 [2019-11-27 11:20:44,122 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e17d10bdb/b7d5fe33a5f242fdb24a59ecc80db2d1 [2019-11-27 11:20:44,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:20:44,131 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:20:44,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:44,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:20:44,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:20:44,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d4ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:44, skipping insertion in model container [2019-11-27 11:20:44,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:20:44" (1/1) ... [2019-11-27 11:20:44,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:20:44,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:20:45,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:45,190 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:20:45,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:20:45,452 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:20:45,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45 WrapperNode [2019-11-27 11:20:45,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:20:45,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:20:45,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:20:45,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:20:45,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:20:45" (1/1) ... [2019-11-27 11:20:45,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:20:45,644 INFO L168 Benchmark]: Toolchain (without parser) took 1507.40 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:45,645 INFO L168 Benchmark]: CDTParser took 0.49 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 11:20:45,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1312.33 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:20:45,660 INFO L168 Benchmark]: Boogie Preprocessor took 178.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:20:45,665 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 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 1312.33 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 178.42 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 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...