./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 65d6cd23 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 0.1.24-65d6cd2 [2019-11-26 00:25:11,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:11,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:11,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:11,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:11,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:11,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:11,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:11,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:11,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:11,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:11,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:11,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:11,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:11,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:11,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:11,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:11,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:11,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:11,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:11,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:11,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:11,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:11,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:11,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:11,856 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:11,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:11,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:11,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:11,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:11,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:11,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:11,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:11,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:11,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:11,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:11,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:11,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:11,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:11,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:11,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:11,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-26 00:25:11,929 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:11,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:11,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:11,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:11,939 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:11,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:11,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:11,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:11,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:11,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:11,943 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:11,943 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:11,944 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:11,945 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:11,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:11,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:11,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:11,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:11,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:11,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:11,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:11,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:11,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:11,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:11,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:11,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:25:11,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:25:11,955 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 [2019-11-26 00:25:12,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:12,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:12,630 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:12,634 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:12,635 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:12,636 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-26 00:25:12,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f52be9e7/1a75c4aa91ad46d9b6e422e68aafc1fb/FLAG8124781da [2019-11-26 00:25:14,114 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:14,115 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-26 00:25:14,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f52be9e7/1a75c4aa91ad46d9b6e422e68aafc1fb/FLAG8124781da [2019-11-26 00:25:14,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f52be9e7/1a75c4aa91ad46d9b6e422e68aafc1fb [2019-11-26 00:25:14,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:14,211 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:14,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:14,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:14,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:14,228 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,239 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 26.11 12:25:14, skipping insertion in model container [2019-11-26 00:25:14,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:14" (1/1) ... [2019-11-26 00:25:14,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:14,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:15,317 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:15,343 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:15,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:15,597 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:15,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15 WrapperNode [2019-11-26 00:25:15,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:15,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:15,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:15,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:15,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15" (1/1) ... [2019-11-26 00:25:15,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15" (1/1) ... [2019-11-26 00:25:15,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15" (1/1) ... [2019-11-26 00:25:15,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15" (1/1) ... [2019-11-26 00:25:15,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15" (1/1) ... [2019-11-26 00:25:15,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15" (1/1) ... [2019-11-26 00:25:15,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:15" (1/1) ... [2019-11-26 00:25:15,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:15,794 INFO L168 Benchmark]: Toolchain (without parser) took 1578.14 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. [2019-11-26 00:25:15,806 INFO L168 Benchmark]: CDTParser took 1.73 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. [2019-11-26 00:25:15,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1382.87 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. [2019-11-26 00:25:15,812 INFO L168 Benchmark]: Boogie Preprocessor took 182.14 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. [2019-11-26 00:25:15,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.73 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 1382.87 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 182.14 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 0.1.24-65d6cd2 [2019-11-26 00:25:19,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:25:19,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:25:19,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:25:19,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:25:19,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:25:19,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:25:19,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:25:19,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:25:19,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:25:19,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:25:19,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:25:19,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:25:19,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:25:19,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:25:19,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:25:19,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:25:19,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:25:19,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:25:19,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:25:19,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:25:19,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:25:19,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:25:19,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:25:19,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:25:19,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:25:19,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:25:19,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:25:19,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:25:19,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:25:19,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:25:19,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:25:19,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:25:19,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:25:19,904 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:25:19,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:25:19,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:25:19,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:25:19,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:25:19,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:25:19,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:25:19,920 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-26 00:25:19,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:25:19,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:25:19,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:25:19,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:25:19,969 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:25:19,969 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:25:19,970 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 00:25:19,970 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:25:19,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:25:19,970 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 00:25:19,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:25:19,973 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:25:19,973 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:25:19,975 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:25:19,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:25:19,975 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:25:19,978 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:25:19,978 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:25:19,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 00:25:19,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:25:19,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:25:19,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:25:19,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:25:19,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:25:19,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:25:19,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:25:19,983 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:25:19,984 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:25:19,984 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:25:19,984 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:25:19,986 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 [2019-11-26 00:25:20,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:25:20,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:25:20,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:25:20,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:25:20,639 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:25:20,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-26 00:25:20,792 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4985bd1/0da685a5832449568f602fc7a2bdd3e8/FLAG0929de1df [2019-11-26 00:25:22,026 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:25:22,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrcat-alloca-2.i [2019-11-26 00:25:22,066 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4985bd1/0da685a5832449568f602fc7a2bdd3e8/FLAG0929de1df [2019-11-26 00:25:22,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df4985bd1/0da685a5832449568f602fc7a2bdd3e8 [2019-11-26 00:25:22,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:25:22,505 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:25:22,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:22,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:25:22,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:25:22,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2288bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:22, skipping insertion in model container [2019-11-26 00:25:22,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:25:22" (1/1) ... [2019-11-26 00:25:22,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:25:22,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:25:23,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:23,613 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 00:25:23,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 00:25:23,887 INFO L208 MainTranslator]: Completed translation [2019-11-26 00:25:23,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23 WrapperNode [2019-11-26 00:25:23,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:25:23,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 00:25:23,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 00:25:23,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 00:25:23,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23" (1/1) ... [2019-11-26 00:25:23,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23" (1/1) ... [2019-11-26 00:25:23,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23" (1/1) ... [2019-11-26 00:25:23,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23" (1/1) ... [2019-11-26 00:25:24,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23" (1/1) ... [2019-11-26 00:25:24,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23" (1/1) ... [2019-11-26 00:25:24,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:25:23" (1/1) ... [2019-11-26 00:25:24,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 00:25:24,062 INFO L168 Benchmark]: Toolchain (without parser) took 1552.17 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:24,062 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:25:24,064 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-26 00:25:24,069 INFO L168 Benchmark]: Boogie Preprocessor took 162.23 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. [2019-11-26 00:25:24,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1380.61 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 162.23 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...